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RHEL 7 and Centos7 Root Password recovery procedure

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<span style="color: #990000; font-size: large;"><u><i>RHEL7/CENTOS7: Interrupt the boot process in order to gain access to a system.</i></u></span></h1>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgHLpe_9uUaPwqHqQRdPlX5dYbVZ5yChcYfD_LyuVgxPoTUaf6IEzSL1aOuQProwdzNdOtlDMnmoKojDWzMuoQYR6Oz4-D3jjX1UQXA5W_HZOEvI6W_YJKmrzyKXOu-aMEjGdTBY_QxjQ4J/s1600/recover_root_password.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="200" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgHLpe_9uUaPwqHqQRdPlX5dYbVZ5yChcYfD_LyuVgxPoTUaf6IEzSL1aOuQProwdzNdOtlDMnmoKojDWzMuoQYR6Oz4-D3jjX1UQXA5W_HZOEvI6W_YJKmrzyKXOu-aMEjGdTBY_QxjQ4J/s320/recover_root_password.png" width="320" /></a></div>
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In <span style="border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border: 0px; font-family: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: 700; line-height: inherit; margin: 0px; padding: 0px; vertical-align: baseline;"><a href="http://www.hackthesec.co.in/search/label/RHEL" target="_blank">RHEL</a> 7</span>, the procedure to get access to a system during the boot process and modify the root password has changed because of the adoption of <span style="border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border: 0px; font-family: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: 700; line-height: inherit; margin: 0px; padding: 0px; vertical-align: baseline;">Systemd</span>.<br /><span style="color: white;"><a href="http://www.hackthesec.co.in/2016/02/rhel-7-and-centos7-root-password.html" target="_blank">RHEL 7 Root Password recovery procedure</a><br /><a href="http://www.hackthesec.co.in/2016/02/rhel-7-and-centos7-root-password.html" target="_blank">Centos7  Root Password recovery procedure</a></span><br />There were several procedures floating around to recover the root password. Some were working with physical servers but not with virtual machines, some the other way around.</div>
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The following procedure works all the time.</div>
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<span style="color: #0b5394;">Procedure</span></h2>
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At the beginning of the boot process, at the <span style="border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border: 0px; font-family: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: 700; line-height: inherit; margin: 0px; padding: 0px; vertical-align: baseline;">GRUB 2</span> menu, type the <span style="border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border: 0px; font-family: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: 700; line-height: inherit; margin: 0px; padding: 0px; vertical-align: baseline;">e</span> key to edit.</div>
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Then, go to the kernel line (the line starting with <span style="border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border: 0px; font-family: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: 700; line-height: inherit; margin: 0px; padding: 0px; vertical-align: baseline;">linux16</span>) and add the following statements at the end:</div>
<pre style="background: rgb(244, 244, 244); border-color: rgb(170, 170, 170) rgb(170, 170, 170) rgb(204, 204, 204); border-radius: 2px; border-style: solid; border-width: 1px; box-shadow: rgb(255, 255, 255) 0px 1px 0px, rgba(0, 0, 0, 0.2) 0px 1px 1px inset; box-sizing: border-box; font-family: monospace, serif; font-size: 14px; font-stretch: inherit; height: auto; line-height: 21px; outline: none; overflow-x: auto; padding: 6px 10px; vertical-align: middle; width: 605.484px; word-wrap: normal;"><span style="border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border: 0px; font-family: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: 700; line-height: inherit; margin: 0px; padding: 0px; vertical-align: baseline;"><span style="color: #555555;">rd.break </span><span style="color: #351c75;">enforcing</span><span style="color: #555555;">=0</span></span></pre>
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Caution: The keys to press are those of a <span style="border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border: 0px; font-family: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: 700; line-height: inherit; margin: 0px; padding: 0px; vertical-align: baseline;">US</span> keyboard (querty).<br />Note: <span style="border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border: 0px; font-family: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: 700; line-height: inherit; margin: 0px; padding: 0px; vertical-align: baseline;">rd.break</span> asks for a break at an early stage of the boot process. <span style="border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border: 0px; font-family: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: 700; line-height: inherit; margin: 0px; padding: 0px; vertical-align: baseline;">enforcing=0</span> puts the system into <span style="border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border: 0px; font-family: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: 700; line-height: inherit; margin: 0px; padding: 0px; vertical-align: baseline;">SELinux Permissive</span> mode.</div>
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Press <span style="border: 0px; font-family: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: 700; line-height: inherit; margin: 0px; padding: 0px; vertical-align: baseline;">Ctrl x</span> to resume the boot process.</div>
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Then, mount the <span style="border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border: 0px; font-family: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: 700; line-height: inherit; margin: 0px; padding: 0px; vertical-align: baseline;">/sysroot</span> partition as read/write:</div>
<pre style="background: rgb(244, 244, 244); border-color: rgb(170, 170, 170) rgb(170, 170, 170) rgb(204, 204, 204); border-radius: 2px; border-style: solid; border-width: 1px; box-shadow: rgb(255, 255, 255) 0px 1px 0px, rgba(0, 0, 0, 0.2) 0px 1px 1px inset; box-sizing: border-box; font-family: monospace, serif; font-size: 14px; font-stretch: inherit; height: auto; line-height: 21px; outline: none; overflow-x: auto; padding: 6px 10px; vertical-align: middle; width: 605.484px; word-wrap: normal;"><span style="color: #555555;">switch_root:/# </span><span style="border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border: 0px; font-family: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: 700; line-height: inherit; margin: 0px; padding: 0px; vertical-align: baseline;"><span style="color: #351c75;">mount –o remount,rw /sysroot</span></span></pre>
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Execute the <span style="border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border: 0px; font-family: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: 700; line-height: inherit; margin: 0px; padding: 0px; vertical-align: baseline;">chroot</span> command on the <span style="border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border: 0px; font-family: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: 700; line-height: inherit; margin: 0px; padding: 0px; vertical-align: baseline;">/sysroot</span> partition:</div>
<pre style="background: rgb(244, 244, 244); border-color: rgb(170, 170, 170) rgb(170, 170, 170) rgb(204, 204, 204); border-radius: 2px; border-style: solid; border-width: 1px; box-shadow: rgb(255, 255, 255) 0px 1px 0px, rgba(0, 0, 0, 0.2) 0px 1px 1px inset; box-sizing: border-box; font-family: monospace, serif; font-size: 14px; font-stretch: inherit; height: auto; line-height: 21px; outline: none; overflow-x: auto; padding: 6px 10px; vertical-align: middle; width: 605.484px; word-wrap: normal;"><span style="color: #555555;">switch_root:/# </span><span style="border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border: 0px; font-family: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: 700; line-height: inherit; margin: 0px; padding: 0px; vertical-align: baseline;"><span style="color: #555555;">chroot /</span><span style="color: #351c75;">sysroot</span></span></pre>
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Change the <span style="border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border: 0px; font-family: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: 700; line-height: inherit; margin: 0px; padding: 0px; vertical-align: baseline;">root</span> password:</div>
<pre style="background: rgb(244, 244, 244); border-color: rgb(170, 170, 170) rgb(170, 170, 170) rgb(204, 204, 204); border-radius: 2px; border-style: solid; border-width: 1px; box-shadow: rgb(255, 255, 255) 0px 1px 0px, rgba(0, 0, 0, 0.2) 0px 1px 1px inset; box-sizing: border-box; font-family: monospace, serif; font-size: 14px; font-stretch: inherit; height: auto; line-height: 21px; outline: none; overflow-x: auto; padding: 6px 10px; vertical-align: middle; width: 605.484px; word-wrap: normal;"><span style="color: #555555;">sh-4.2# <span style="border: 0px; font-family: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: 700; line-height: inherit; margin: 0px; padding: 0px; vertical-align: baseline;">passwd root</span>
Changing password for user root.
New passwd: <b>mypassword</b>
Retype new password: <b>mypassword</b>
</span><span style="color: #351c75;">passwd: all authentication token updated successfully.
</span><span style="color: #555555;">sh-4.2# </span><span style="border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border: 0px; color: #555555; font-family: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: 700; line-height: inherit; margin: 0px; padding: 0px; vertical-align: baseline;">exit
</span><span style="color: #555555;">exit
switch_root:/# </span><span style="border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border: 0px; font-family: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: 700; line-height: inherit; margin: 0px; padding: 0px; vertical-align: baseline;"><span style="color: #351c75;">exit</span></span><span style="border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border: 0px; color: #555555; font-family: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: 700; line-height: inherit; margin: 0px; padding: 0px; vertical-align: baseline;">
</span><span style="color: #555555;">logout</span></pre>
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Connect to your server at the console (don’t reboot now!) with the <span style="border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border: 0px; font-family: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: 700; line-height: inherit; margin: 0px; padding: 0px; vertical-align: baseline;">root</span> user and the new password:</div>
<pre style="background: rgb(244, 244, 244); border-color: rgb(170, 170, 170) rgb(170, 170, 170) rgb(204, 204, 204); border-radius: 2px; border-style: solid; border-width: 1px; box-shadow: rgb(255, 255, 255) 0px 1px 0px, rgba(0, 0, 0, 0.2) 0px 1px 1px inset; box-sizing: border-box; font-family: monospace, serif; font-size: 14px; font-stretch: inherit; height: auto; line-height: 21px; outline: none; overflow-x: auto; padding: 6px 10px; vertical-align: middle; width: 605.484px; word-wrap: normal;"><span style="color: #555555;">...
[  OK  ] Started Network Manager Script Dispatcher Service.
[  OK  ] Started Crash recovery kernel arming.
[  OK  ] Reached target Multi-User System.

</span><span style="color: #0b5394;">CentOS Linux 7 (Core)
</span><span style="color: #555555;">Kernel 3.10.0-229.14.1.el7.x86_64 on an x86_64

vm login: </span><span style="border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border: 0px; color: #555555; font-family: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: 700; line-height: inherit; margin: 0px; padding: 0px; vertical-align: baseline;">root</span><span style="color: #555555;">
Password: </span><b style="color: #555555;">mypassword</b><span style="color: #555555;">
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Then type:</div>
<pre style="background: rgb(244, 244, 244); border-color: rgb(170, 170, 170) rgb(170, 170, 170) rgb(204, 204, 204); border-radius: 2px; border-style: solid; border-width: 1px; box-shadow: rgb(255, 255, 255) 0px 1px 0px, rgba(0, 0, 0, 0.2) 0px 1px 1px inset; box-sizing: border-box; font-family: monospace, serif; font-size: 14px; font-stretch: inherit; height: auto; line-height: 21px; outline: none; overflow-x: auto; padding: 6px 10px; vertical-align: middle; width: 605.484px; word-wrap: normal;"><span style="color: #555555;"># </span><span style="border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border: 0px; font-family: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: 700; line-height: inherit; margin: 0px; padding: 0px; vertical-align: baseline;"><span style="color: #351c75;">restorecon /etc/shadow</span><span style="color: #555555;">
</span></span><span style="color: #555555;"># </span><span style="border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border: 0px; color: #555555; font-family: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: 700; line-height: inherit; margin: 0px; padding: 0px; vertical-align: baseline;">reboot</span></pre>
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If you strictly follow this procedure, you don’t need to force a <span style="border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border: 0px; font-family: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: 700; line-height: inherit; margin: 0px; padding: 0px; vertical-align: baseline;">SELinux</span> relabel (# <span style="border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border: 0px; font-family: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: 700; line-height: inherit; margin: 0px; padding: 0px; vertical-align: baseline;">touch /.autorelabel</span>) or load the <span style="border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border: 0px; font-family: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: 700; line-height: inherit; margin: 0px; padding: 0px; vertical-align: baseline;">SELinux</span> policy (# <span style="border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border: 0px; font-family: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: 700; line-height: inherit; margin: 0px; padding: 0px; vertical-align: baseline;">/usr/sbin/load_policy -i</span>).</div>
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You don’t even need to reboot at the end! In this case, type # <span style="border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border: 0px; font-family: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: 700; line-height: inherit; margin: 0px; padding: 0px; vertical-align: baseline;">setenforce enforcing<br /><a href="http://www.hackthesec.co.in/" style="color: #999999; font-family: 'Roboto Slab'; font-size: 16px; font-weight: normal; line-height: 28px; text-decoration: none;" target="_blank">HackTheSec</a><br style="color: #333333; font-family: 'Roboto Slab'; font-size: 16px; font-weight: normal; line-height: 28px;" /><a href="https://www.twitter.com/hackthesecurity" style="color: #999999; font-family: 'Roboto Slab'; font-size: 16px; font-weight: normal; line-height: 28px; text-decoration: none;" target="_blank">HackTheSecTwitter</a><br style="color: #333333; font-family: 'Roboto Slab'; font-size: 16px; font-weight: normal; line-height: 28px;" /><a href="http://facebook.com/htsecu" style="color: #999999; font-family: 'Roboto Slab'; font-size: 16px; font-weight: normal; line-height: 28px; text-decoration: none;" target="_blank">HackTheSecFacebook</a><br style="color: #333333; font-family: 'Roboto Slab'; font-size: 16px; font-weight: normal; line-height: 28px;" /><a href="http://www.hackthesec.co.in/" style="color: #999999; font-family: 'Roboto Slab'; font-size: 16px; font-weight: normal; line-height: 28px; text-decoration: none;">www.hackthesec.co.in</a></span></div>
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RHEL 7 and Centos7 Root Password recovery procedure

RHEL7/CENTOS7: Interrupt the boot process in order to gain access to a system. In RHEL 7 , the procedure to get access to a system ...

How to Install JAVA 9 (JDK9) on Debian Via PPA

java version "</span><span style="color: lime;">1.9.0-ea</span><span style="color: white;">"
Java(TM) SE Runtime Environment (build 1.9.0-ea-b50)
Java HotSpot(TM) 64-Bit Server VM (build 1.9.0-ea-b50, mixed mode)</span></span><span style="color: white; font-size: 0.9em;">
</span></pre>
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<span style="color: #0b5394;">Configuring Java Environment</span></h2>
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In Webupd8 ppa repository also providing a package to set environment variables, Install this package using following command. This will set the useful environment variables for JAVA in your system.</div>
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</span></span></pre>
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<span style="border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border: 0px; font-size: inherit; font-weight: 700; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">References:</span><br /><a href="https://launchpad.net/~webupd8team/+archive/java" style="outline: none; text-decoration: none;" target="_blank">https://launchpad.net/~webupd8team/+archive/java</a></div>
<div style="background-color: white; border: 0px; font-family: 'Roboto Slab'; font-size: 16px; line-height: 28px; margin-bottom: 20px; outline: 0px; padding: 0px; vertical-align: baseline;">
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How to Install JAVA 9 (JDK9) on Debian Via PPA

Install JAVA 9 (JDK9) on Debian Via PPA Oracle JAVA 9 Early Access release is available to download and install. Java 9 stable release...

How to Install PHP 7, NGINX & MySQL on Ubuntu 15.10 & 14.04

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<span style="color: #990000;"><u><i>Install PHP 7, NGINX & MySQL on Ubuntu</i></u></span></h2>
<div>
<span style="background-color: white; font-family: 'Roboto Slab'; font-size: 16px; line-height: 28px;">The latest major release of <a href="http://www.hackthesec.co.in/search/label/PHP">PHP </a>version 7.0 has been released with lots of speed optimizations and security. So you should try this version for your development. This tutorial will help you to install <a href="http://www.hackthesec.co.in/search/label/PHP">PHP </a>7.0, Nginx, & <a href="http://www.hackthesec.co.in/search/label/Mysql">MySQL </a>5.6 on Ubuntu 15.10, 14.04 and 12.04 LTS release.</span></div>
<div class="separator" style="clear: both; text-align: center;">
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjHkeYKLAYt3CaCmZ_XRjpD5Z49mXNT8YcOjaXaTzZtP_2pcDpAtsdu_ur3tbzRj5dSF55ysYGz05e7erLWISuEs0gZcKJ-8qvXtWL32FHfGKH2gTEgSHRtPCcHICZF7FUx2R3uDioyYU1Q/s1600/php7-nginx-mysql_www.hackthesec.co.in.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjHkeYKLAYt3CaCmZ_XRjpD5Z49mXNT8YcOjaXaTzZtP_2pcDpAtsdu_ur3tbzRj5dSF55ysYGz05e7erLWISuEs0gZcKJ-8qvXtWL32FHfGKH2gTEgSHRtPCcHICZF7FUx2R3uDioyYU1Q/s1600/php7-nginx-mysql_www.hackthesec.co.in.png" /></a></div>
<div>
<span style="background-color: white; font-family: 'Roboto Slab'; font-size: 16px; line-height: 28px;"><br /></span></div>
<div>
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<span style="color: #0b5394;">Step 1 – Install PHP 7 with PHP-FPM</span></h2>
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First install python-software-properties package on your system which provides add-apt-repository command then use the following set of commands to add PPA for <a href="http://www.hackthesec.co.in/search/label/PHP">PHP </a>7 in your Ubuntu system and install it.</div>
<pre style="background: none 0px 0px repeat scroll rgb(60, 60, 60); border-radius: 4px; border: 1px solid rgb(229, 229, 229); line-height: 1.3em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 20px; vertical-align: baseline;"><span style="color: white;">$ sudo apt-get install python-software-properties
</span><span style="color: lime;">$ sudo add-apt-repository ppa:ondrej/php
</span><span style="color: white;">$ sudo apt-get update
$ sudo apt-get install -y php7.0 php7.0-fpm</span><span style="color: white; font-size: 0.9em;">
</span></pre>
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<span style="color: #0b5394;">Step 2 — Install Nginx</span></h2>
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First we will install Latest <b>Nginx web server</b> on our system. Use the following commands to add PPA for installing latest Nginx version on your Ubuntu 14.04 (<b>Trusty</b>).</div>
<pre style="background: none 0px 0px repeat scroll rgb(60, 60, 60); border-radius: 4px; border: 1px solid rgb(229, 229, 229); line-height: 1.3em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 20px; vertical-align: baseline;"><span style="color: white;">$ echo "deb http://nginx.org/packages/mainline/ubuntu/ `lsb_release -cs` nginx" >> /etc/apt/sources.list
</span><span style="color: lime;">$ echo "deb-src http://nginx.org/packages/mainline/ubuntu/ `lsb_release -cs` nginx"  >> /etc/apt/sources.list<span style="font-size: 0.9em;">
</span></span></pre>
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and use the following commands to install Nginx web server.</div>
<pre style="background: none 0px 0px repeat scroll rgb(60, 60, 60); border-radius: 4px; border: 1px solid rgb(229, 229, 229); line-height: 1.3em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 20px; vertical-align: baseline;"><span style="color: white;">$ curl http://nginx.org/keys/nginx_signing.key | apt-key add -
$ sudo apt-get update
$ sudo apt-get </span><span style="color: lime;">install nginx</span><span style="color: white; font-size: 0.9em;">
</span></pre>
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<span style="color: #0b5394;">Step 3 — Install <a href="http://www.hackthesec.co.in/search/label/Mysql">MySQL </a>5.6</span></h2>
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Use the following commands to install or upgrade MySQL 5.6 on your Ubuntu systems. At the last update of this tutorial <a href="http://www.hackthesec.co.in/search/label/Mysql">MySQL </a>5.6.27 is latest available MySQL version in series of MySQL 5.6.X.</div>
<pre style="background: none 0px 0px repeat scroll rgb(60, 60, 60); border-radius: 4px; border: 1px solid rgb(229, 229, 229); line-height: 1.3em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 20px; vertical-align: baseline;"><span style="color: lime;">$ sudo add-apt-repository -y ppa:ondrej/mysql-5.6
</span><span style="color: white;">$ sudo apt-get update
$ sudo apt-get install </span><span style="color: lime;">mysql-server-5.6</span><span style="color: white; font-size: 0.9em;">
</span></pre>
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<span style="color: #0b5394;">Step 4 — Install Other Requirements</span></h2>
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You may also need to install modules like PHP7-MySQL, etc based on your application requirements. Use the following command to find our available php 7 modules.</div>
<pre style="background: none 0px 0px repeat scroll rgb(60, 60, 60); border-radius: 4px; border: 1px solid rgb(229, 229, 229); line-height: 1.3em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 20px; vertical-align: baseline;"><span style="color: white;">$ sudo </span><span style="color: lime;">apt-cache search php7-* </span><span style="color: white; font-size: 0.9em;">
</span></pre>
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Above command will list all available PHP7 modules for installation, Let’s begin installation of modules.</div>
<pre style="background: none 0px 0px repeat scroll rgb(60, 60, 60); border-radius: 4px; border: 1px solid rgb(229, 229, 229); line-height: 1.3em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 20px; vertical-align: baseline;"><span style="color: white;">$ sudo apt-get install</span><span style="color: lime;"> php7.0-mysql php7.0-curl php7.0-json</span><span style="color: white;">
</span></pre>
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<span style="color: #0b5394;">Step 5 — Configure PHP-FPM</span></h2>
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PHP-FPM (FastCGI Process Manager) is an alternative PHP FastCGI implementation with some additional features.</div>
<pre style="background: none 0px 0px repeat scroll rgb(60, 60, 60); border-radius: 4px; border: 1px solid rgb(229, 229, 229); line-height: 1.3em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 20px; vertical-align: baseline;"><span style="color: white;">$ sudo nano /</span><span style="color: lime;">etc/php/7.0/fpm/php.ini</span><span style="color: white;">
</span></pre>
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<span style="color: red;">un-comment cgi.fix_pathinfo=1 </span>line and set value to 0.</div>
<pre class="pretty" style="background: none 0px 0px repeat scroll rgb(240, 240, 240); border-left-color: rgb(116, 183, 63); border-left-width: 3px; border-radius: 5px; border-style: none none none solid; line-height: 1.5em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 8px 20px 8px 18px; vertical-align: baseline;">cgi.fix_pathinfo=0
</pre>
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Now set the listen parameter in<span style="color: red;"> /etc/php/7.0/fpm/pool.d/www.conf</span> configuration file. Here you can use php7.0-fpm socket to work or start php7.0-fpm service on specific port. We are going to use it as service .</div>
<pre style="background: none 0px 0px repeat scroll rgb(60, 60, 60); border-radius: 4px; border: 1px solid rgb(229, 229, 229); line-height: 1.3em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 20px; vertical-align: baseline;"><span style="color: lime;">$ sudo nano /etc/php/7.0/fpm/pool.d/www.conf
</span></pre>
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Now make changes in configuration file as below. Commend listen with socket file and enable it as service</div>
<pre class="pretty" style="background: none 0px 0px repeat scroll rgb(240, 240, 240); border-left-color: rgb(116, 183, 63); border-left-width: 3px; border-radius: 5px; border-style: none none none solid; line-height: 1.5em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 8px 20px 8px 18px; vertical-align: baseline;">#listen = /run/php/php7.0-fpm.sock
listen = 127.0.0.1:9000<span style="font-size: 0.9em;">
</span></pre>
<h2 class="heading1" style="background-color: white; border: 0px; font-family: 'Roboto Slab'; font-size: 24px; font-weight: bolder; line-height: 34px; margin: 45px 0px 12px; opacity: 1; outline: 0px; padding: 0px; transition: opacity 0.24s ease-in-out; vertical-align: baseline; visibility: visible;">
<span style="color: #0b5394;">Step 6 — Configure Nginx VirtualHost</span></h2>
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Finally do the configuration of Nginx <b>virtualhost</b>. For this example we are editing default configuration file.</div>
<pre style="background: none 0px 0px repeat scroll rgb(60, 60, 60); border-radius: 4px; border: 1px solid rgb(229, 229, 229); color: white; line-height: 1.3em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 20px; vertical-align: baseline;">$ sudo nano /etc/nginx/conf.d/default.conf
</pre>
<div style="background-color: white; border: 0px; font-family: 'Roboto Slab'; font-size: 16px; line-height: 28px; margin-bottom: 20px; outline: 0px; padding: 0px; vertical-align: baseline;">
and make changes as below.</div>
<pre class="pretty" style="background: none 0px 0px repeat scroll rgb(240, 240, 240); border-left-color: rgb(116, 183, 63); border-left-width: 3px; border-radius: 5px; border-style: none none none solid; line-height: 1.5em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 8px 20px 8px 18px; vertical-align: baseline;">server {
        listen   80;
     
        root /var/www;
        index index.php index.html index.htm;
        server_name  example.com www.example.com;

location / {
                try_files $uri $uri/ /index.html;
        }

error_page 404 /404.html;
        error_page 500 502 503 504 /50x.html;
        location = /50x.html {
              root /usr/share/nginx/www;
        }

location ~ \.php$ {
                try_files $uri =404;
                fastcgi_pass 127.0.0.1:9000;
                fastcgi_index index.php;
                fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
                include fastcgi_params;
        }
}<span style="font-size: 0.9em;">
</span></pre>
<div style="background-color: white; border: 0px; font-family: 'Roboto Slab'; font-size: 16px; line-height: 28px; margin-bottom: 20px; outline: 0px; padding: 0px; vertical-align: baseline;">
You have to do the same changes in all VirtualHosts configured.</div>
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<span style="color: #0b5394;">Step 7 – Restart Services</span></h2>
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After installing all services on your system, start all required services.</div>
<pre style="background: none 0px 0px repeat scroll rgb(60, 60, 60); border-radius: 4px; border: 1px solid rgb(229, 229, 229); line-height: 1.3em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 20px; vertical-align: baseline;"><span style="color: white;">$ sudo service </span><span style="color: lime;">nginx restart</span><span style="color: white;">
$ sudo service php7.0-fpm restart</span><span style="color: white; font-size: 0.9em;">
</span></pre>
<h4 class="heading1" style="background-color: white; border: 0px; font-family: 'Roboto Slab'; font-size: 24px; font-weight: bolder; line-height: 34px; margin: 45px 0px 12px; opacity: 1; outline: 0px; padding: 0px; transition: opacity 0.24s ease-in-out; vertical-align: baseline; visibility: visible;">
<span style="color: #0b5394;">Step 8 – Open Access in Firewall</span></h4>
<div style="background-color: white; border: 0px; font-family: 'Roboto Slab'; font-size: 16px; line-height: 28px; margin-bottom: 20px; outline: 0px; padding: 0px; vertical-align: baseline;">
If you are using iptables, Use following commands to open port 80 for public access of webserver.</div>
<h3 class="heading2" style="background-color: white; border: 0px; color: #0379bf; font-family: 'Roboto Slab'; font-size: 20px; font-weight: bolder; line-height: 30px; margin: 0px 0px 8px; opacity: 1; outline: 0px; padding: 0px; transition: opacity 0.24s ease-in-out; vertical-align: baseline; visibility: visible;">
Iptables Users:</h3>
<pre style="background: none 0px 0px repeat scroll rgb(60, 60, 60); border-radius: 4px; border: 1px solid rgb(229, 229, 229); line-height: 1.3em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 20px; vertical-align: baseline;"><span style="color: white;">$ sudo </span><span style="color: lime;">iptables -A INPUT -m state</span><span style="color: white;"> --state NEW -p tcp --dport 80 -j ACCEPT
</span></pre>
<h3 class="heading2" style="background-color: white; border: 0px; font-family: 'Roboto Slab'; font-size: 20px; font-weight: bolder; line-height: 30px; margin: 0px 0px 8px; opacity: 1; outline: 0px; padding: 0px; transition: opacity 0.24s ease-in-out; vertical-align: baseline; visibility: visible;">
<span style="color: #0b5394;">UFW Users:</span></h3>
<pre style="background: none 0px 0px repeat scroll rgb(60, 60, 60); border-radius: 4px; border: 1px solid rgb(229, 229, 229); line-height: 1.3em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 20px; vertical-align: baseline;"><span style="color: white;">$ sudo ufw </span><span style="color: lime;">allow 80/tcp</span><span style="color: white;">
</span></pre>
<h2 class="heading1" style="background-color: white; border: 0px; font-family: 'Roboto Slab'; font-size: 24px; font-weight: bolder; line-height: 34px; margin: 45px 0px 12px; opacity: 1; outline: 0px; padding: 0px; transition: opacity 0.24s ease-in-out; vertical-align: baseline; visibility: visible;">
<span style="color: #0b5394;">Step 9 – Verify Setup</span></h2>
<div style="background-color: white; border: 0px; font-family: 'Roboto Slab'; font-size: 16px; line-height: 28px; margin-bottom: 20px; outline: 0px; padding: 0px; vertical-align: baseline;">
Finally verify installation of <b>PHP </b>7 with <b>NGINX</b>. Let’s create a file info.php on website document root using following content.</div>
<pre class="brush: php; title: ; notranslate" style="background: none 0px 0px repeat scroll rgb(60, 60, 60); border-radius: 4px; border: 1px solid rgb(229, 229, 229); line-height: 1.3em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 20px; vertical-align: baseline;" title=""><span style="color: white;"><?php
</span><span style="color: lime;">phpinfo</span><span style="color: white;">();
?></span><span style="color: white; font-size: 0.9em;">
</span></pre>
<div style="background-color: white; border: 0px; font-family: 'Roboto Slab'; font-size: 16px; line-height: 28px; margin-bottom: 20px; outline: 0px; padding: 0px; vertical-align: baseline;">
Now browse this file in web browser. It will so all the details about version’s and installation.</div>
<div class="separator" style="clear: both; text-align: center;">
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgx27C8O3dNXYWtJhKhrFVn91qyyDOlw4VYlXq9CzhhefbSmktpFqePVGOriL45fTA8P9zl7raaLXtGFXyNM0iHW0QxC4It9BE3Eeul157lpojZ7CEMX3CeUXGO17ukhCtLC4XHAZbYv-b9/s1600/nginx-wih-php7_www.hackthesec.co.in.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="420" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgx27C8O3dNXYWtJhKhrFVn91qyyDOlw4VYlXq9CzhhefbSmktpFqePVGOriL45fTA8P9zl7raaLXtGFXyNM0iHW0QxC4It9BE3Eeul157lpojZ7CEMX3CeUXGO17ukhCtLC4XHAZbYv-b9/s640/nginx-wih-php7_www.hackthesec.co.in.png" width="640" /></a></div>
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How to Install PHP 7, NGINX & MySQL on Ubuntu 15.10 & 14.04

Install PHP 7, NGINX & MySQL on Ubuntu The latest major release of PHP version 7.0 has been released with lots of speed optimization...

FTPShell Client-(Create NewFolder) Local Buffer Overflow

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FTPShell Client 5.24 - (Create NewFolder) Local Buffer Overflow</h1>
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<tr style="background-color: rgb(248, 248, 248) !important; box-sizing: border-box;"><td style="box-sizing: border-box; padding: 5px 10px;"><br /></td><td style="box-sizing: border-box; padding: 5px 10px;"><strong style="box-sizing: border-box;">Download Exploit:</strong> <a href="https://goo.gl/qeXS7g" style="-webkit-transition-duration: 0.3s; -webkit-transition-property: background-color, box-shadow, border, color, opacity; background-color: transparent; box-sizing: border-box; color: #337ab7; outline: 0px; text-decoration: none; transition-duration: 0.3s; transition-property: background-color, box-shadow, border, color, opacity;"><span class="fa fa-file-code-o" style="-webkit-font-smoothing: antialiased; box-sizing: border-box; display: inline-block; font-family: FontAwesome; font-size: inherit; font-stretch: normal; line-height: 1; text-rendering: auto;"></span> Source</a> <a href="https://www.blogger.com/null" style="-webkit-transition-duration: 0.3s; -webkit-transition-property: background-color, box-shadow, border, color, opacity; background-color: transparent; box-sizing: border-box; color: #337ab7; outline: 0px; transition-duration: 0.3s; transition-property: background-color, box-shadow, border, color, opacity;"><span class="fa fa-file-o" style="-webkit-font-smoothing: antialiased; box-sizing: border-box; display: inline-block; font-family: FontAwesome; font-size: inherit; font-stretch: normal; line-height: 1; text-rendering: auto;"></span> </a></td><td style="box-sizing: border-box; padding: 5px 10px;"></td></tr>
<tr style="background-color: rgb(248, 248, 248) !important; box-sizing: border-box;"><td style="box-sizing: border-box; padding: 5px 10px;"><br /><span class="fa fa-times" style="-webkit-font-smoothing: antialiased; box-sizing: border-box; display: inline-block; font-family: FontAwesome; font-size: inherit; font-stretch: normal; line-height: 1; text-rendering: auto;"></span></td><td style="box-sizing: border-box; padding: 5px 10px;"><strong style="box-sizing: border-box;">Author:</strong> Arash Khazaei</td><td style="box-sizing: border-box; padding: 5px 10px;"><br /></td></tr>
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FTPShell Client-(Create NewFolder) Local Buffer Overflow

FTPShell Client 5.24 - (Create NewFolder) Local Buffer Overflow Download Exploit: Source Author: Arash Khazaei HackTheS...

How to Mount Google drive in Ubuntu 14.04 LTS

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<span style="color: red; font-size: large;"><b><u>Google drive in Ubuntu 14.04 LTS</u></b></span><br />
<span style="color: red; font-size: large;"><b><u><br /></u></b></span>
Google has not released its official <b>linux</b> client for accessing its drive from the <b>ubuntu</b>. But open source community has developed unofficial package called ‘<b>grive-tools</b>‘.<br />
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Grive is a <b><span style="color: blue;">Google Drive</span></b> (<span style="color: red;">online storage service</span>) client for <b>GNU/Linux</b> systems.It allows the <b>synchronization</b> of all your files on the cloud with a directory of your choice and the upload of new files to Google Drive.<br />
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<b><u><span style="color: #0b5394; font-size: large;">Installation Steps of grive-tools</span></u></b><br />
<b><u><span style="color: #0b5394; font-size: large;"><br /></span></u></b>
<span style="color: #0b5394;">Step:1</span> Add grive-tools PPA using below Command :<br />
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$ <span style="color: #783f04;">sudo add-apt-repository ppa:thefanclub/grive-tools</span><br />
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<span style="color: #0b5394;">Step:2</span> Update the list<br />
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$ <span style="color: #783f04;">sudo apt-get update</span><br />
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<span style="color: #0b5394;">Step:3</span> Install grive-tools<br />
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$ <span style="color: #783f04;">sudo apt-get install grive-tools</span><br />
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<span style="color: #0b5394; font-size: large;">Steps to Access Google Drive</span><br />
<span style="color: #0b5394;">Step:1</span> Once the installation is completed , search the application on the <b>Unity Dash </b>by typing <b>Grive</b>, and open it.<br />
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<span style="color: #0b5394;">Step:2</span> Sign in to google drive , you will be asked to give the permissions to access google drive<br />
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When we click on Next, a new broswer will open with <b>Google login page</b><br />
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<b>Log in to your Google Account and Click on Accept , as shown below</b> :<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhFh6D1vvZGbs5VWT3Y3w_K_XIVTzmxoLah05rzAXOJ_PHv9Qu5rH96-IwUHsYtdkgNL-qQZcEfwWCK6Y1s9_LhXkbUeigRwEQkrxaJWIH65y76ZrxNxplRlQyjt2SbgmtvmF91k4XflJW6/s1600/thrid-party-grive_www.hackthesec.co.in.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="293" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhFh6D1vvZGbs5VWT3Y3w_K_XIVTzmxoLah05rzAXOJ_PHv9Qu5rH96-IwUHsYtdkgNL-qQZcEfwWCK6Y1s9_LhXkbUeigRwEQkrxaJWIH65y76ZrxNxplRlQyjt2SbgmtvmF91k4XflJW6/s640/thrid-party-grive_www.hackthesec.co.in.jpg" width="640" /></a></div>
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<span style="color: #0b5394;">Step:3</span> You will be provided a <b>google code</b> , copy this code and paste it into the <b>Grive Setup box</b>.<br />
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When we Click on Next , it will start syncing your google drive with ‘<b> Google Drive‘</b> folder under your’s <b>home directory</b>. Below window will appear when the installation is completed.<br />
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<b>Google Drive</b> folder created under <b>user’s home directory</b><br />
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How to Mount Google drive in Ubuntu 14.04 LTS

Google drive in Ubuntu 14.04 LTS Google has not released its official linux client for accessing its drive from the ubuntu . But open so...

How to install Docker on CentOS 7 / RHEL 7

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<span style="color: red; font-size: x-large;"><u><i>Install Docker on CentOS 7/RHEL7</i></u></span><br />
Docker is an <b>open-source tool that makes creating</b> & <b>managing Linux containers</b>(LXC) easy. Containers are like lightweight <b>VMs which can be started</b> & stopped in milliseconds. Dockers help the system admin & coders to develop their application in a container and can further scale up to 1000 of nodes.<br />
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The main difference between container and <b>VM</b>(<b>Virtual machine</b>) is that dockers provide process based isolation , whereas VM provides full isolation of resources. Virtual machine takes a minute to start where as container can be started in a second or less than a second. Container uses the Kernel of host OS , whereas <b>VM</b> uses the separate Kernel.<br />
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One of the limitation of <b>Docker</b> is that it can be used only on<b> 64bit hosts OS</b>.<br />
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<span style="color: #073763; font-size: large;">Installation of Docker on CentOS 7</span><br />
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Docker package is included in the default <a href="http://www.hackthesec.co.in/search/label/Centos">CentOS</a>-Extras repository. So to install docker , simply run below yum command :<br />
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<span style="background-color: black;">[<span style="color: white;">root@localhost ~]# yum install docker</span></span><br />
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<span style="color: #0b5394; font-size: large;"><u>Start the Docker Service</u></span><br />
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Once the Installation is finished , start docker service and enable it at boot using below commands<br />
<span style="background-color: black;"><br /></span>
<span style="background-color: black;"><span style="color: white;">[root@localhost ~]# service docker start</span></span><br />
<span style="background-color: black;"><span style="color: white;">[root@localhost ~]# chkconfig docker on</span></span><br />
<span style="background-color: black; color: white;"><br /></span>
Download the official <a href="http://www.hackthesec.co.in/search/label/Centos">Centos</a> images Locally<br />
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<div style="text-align: justify;">
[root@localhost ~]# <span style="color: blue;">docker pull centos</span></div>
<div style="text-align: justify;">
Pulling repository centos</div>
<div style="text-align: justify;">
192178b11d36: Download complete </div>
<div style="text-align: justify;">
70441cac1ed5: Download complete </div>
<div style="text-align: justify;">
ae0c2d0bdc10: Download complete </div>
<div style="text-align: justify;">
511136ea3c5a: Download complete </div>
<div style="text-align: justify;">
5b12ef8fd570: Download complete</div>
<div style="text-align: justify;">
<br /></div>
<div style="text-align: justify;">
<b> Verify CentOS images that have been fetched :</b></div>
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<div style="text-align: justify;">
<b>[root@localhost ~]# docker images centos</b></div>
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<b>REPOSITORY          TAG                 IMAGE ID            CREATED             VIRTUAL SIZE</b></div>
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<b>centos                         centos5             192178b11d36        2 weeks ago         466.9 MB</b></div>
<div style="text-align: justify;">
<b>centos                         centos6             70441cac1ed5        2 weeks ago         215.8 MB</b></div>
<div style="text-align: justify;">
<b>centos                         centos7             ae0c2d0bdc10        2 weeks ago         224 MB</b></div>
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<b></b></div>
<div style="text-align: justify;">
<b>centos                          latest              ae0c2d0bdc10        2 weeks ago         224 MB</b></div>
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<u><b>Run a Docker Container :</b></u><br />
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<span style="color: #cc0000;">[root@localhost ~]# <b>docker run -i -t centos /bin/bash</b></span><br />
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<span style="color: #cc0000;">[root@dbf66395436d /]#</span><br />
<span style="color: #990000;"><br /></span>
As we can see centos container has been started and we got the bash shell. In docker command we have used options like ‘-i attaches stdin and stdout’ and ‘-t allocates a terminal or console’ . To disconnect from container type exit .<br />
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<span style="color: red;">[root@cd05639b3f5c /]# <b>cat /etc/</b></span><span style="color: #351c75;"><b>redhat-release</b> </span><br />
<span style="color: #0c343d;">CentOS Linux release 7.0.1406 (Core) </span><br />
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<u><b>We can also search Containers based on fedora & ubuntu OS.</b></u><br />
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<span style="color: red;">[root@localhost ~]# <b>docker search </b></span><span style="color: #7f6000;"><b>ubuntu</b></span><br />
<span style="color: red;">[root@localhost ~]# <b>docker search </b></span><span style="color: #7f6000;"><b>fedora</b></span><br />
<span style="color: #7f6000;"><b><br /></b></span>
<span style="color: #7f6000;"><b><br /></b></span>
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How to install Docker on CentOS 7 / RHEL 7

Install Docker on CentOS 7/RHEL7 Docker is an open-source tool that makes creating & managing Linux containers (LXC) easy. Containers...

Single Node OpenStack (Liberty) Installation Steps on CentOS 7/RHEL

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<span style="color: #990000; font-size: large;"><u style="font-weight: normal;"><i>OpenStack (Liberty) Installation Steps on CentOS 7/RHEL7</i></u></span></h1>
<span class="vcard"><a class="fn" expr:href="data:post.authorProfileUrl" href="https://www.blogger.com/null" rel="author"><data:post .author=""></data:post></a></span>

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OpenStack is a Cloud Software that manage large pool of compute (hypervisors), storage ( block & swift ) and network resources of a data center. It provides a Dashboard where admins can create and manage Projects (Tenants ) and give appropriate access to the project members , further on Project members can create VMs (Virtual Machine).</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjhrWIiKLfueILSMOxyURYYq3W62jNOvNV_zdMibF85Czcepcg_5_emDC4r34sCUutaZ2rqjT4myB6dB7B2Oy7cH-FyDJQI1qbjcNGlCeG833cDZasAIt5J9fsGIGTSzNq79JjEO-BBSGyO/s1600/red-hat-enterprise-linux-openstack-platform-www.hackthesec.co.in.jpg" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" height="198" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjhrWIiKLfueILSMOxyURYYq3W62jNOvNV_zdMibF85Czcepcg_5_emDC4r34sCUutaZ2rqjT4myB6dB7B2Oy7cH-FyDJQI1qbjcNGlCeG833cDZasAIt5J9fsGIGTSzNq79JjEO-BBSGyO/s200/red-hat-enterprise-linux-openstack-platform-www.hackthesec.co.in.jpg" width="200" /></a></div>
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In this article we will install latest version of OpenStack ‘<span style="border: 0px; font-family: inherit; font-size: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: 600; line-height: inherit; margin: 0px; padding: 0px; vertical-align: baseline;">Liberty’</span> on <a href="http://www.hackthesec.co.in/search/label/Centos">CentOS</a> 7 using <span style="border: 0px; font-family: inherit; font-size: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: 600; line-height: inherit; margin: 0px; padding: 0px; vertical-align: baseline;">rdo repositories</span>. As per my setup i am using followings on my <a href="http://www.hackthesec.co.in/search/label/Centos">CentOS</a> 7 Machine</div>
<ul style="background-color: white; border: 0px; font-family: 'PT Serif', serif; font-size: 16px; font-stretch: inherit; line-height: 22.3999996185303px; list-style: none; margin: 0px 0px 15px 30px; padding: 0px; vertical-align: baseline;">
<li style="border: 0px; font-family: inherit; font-size: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; line-height: inherit; list-style: square; margin: 0px; padding: 0px; vertical-align: baseline;"><b>Hostname = openstack.example.com</b></li>
<li style="border: 0px; font-family: inherit; font-size: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; line-height: inherit; list-style: square; margin: 0px; padding: 0px; vertical-align: baseline;"><b>IP address = 192.168.1.3</b></li>
<li style="border: 0px; font-family: inherit; font-size: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; line-height: inherit; list-style: square; margin: 0px; padding: 0px; vertical-align: baseline;"><b>netmask = 255.255.255.0</b></li>
<li style="border: 0px; font-family: inherit; font-size: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; line-height: inherit; list-style: square; margin: 0px; padding: 0px; vertical-align: baseline;"><b>Gateway = 192.168.1.1</b></li>
<li style="border: 0px; font-family: inherit; font-size: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; line-height: inherit; list-style: square; margin: 0px; padding: 0px; vertical-align: baseline;"><b>DNS = 192.168.1.254</b></li>
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<span style="border: 0px; font-family: inherit; font-size: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: inherit; line-height: inherit; margin: 0px; padding: 0px; vertical-align: baseline;"><span style="color: #0b5394;">Step:1 Set the hostname.</span></span></h4>
<pre style="background: rgb(54, 54, 54); border-radius: 7px; border: 1px solid rgb(221, 221, 221); font-stretch: inherit; line-height: 19px; margin-bottom: 15px; margin-top: 15px; overflow-x: auto; overflow-y: hidden; padding: 18px 20px; vertical-align: baseline; white-space: pre-wrap;"><span style="font-family: "trebuchet ms" , sans-serif;"><span style="color: white;">[root@localhost ~]# </span><span style="color: lime;">hostnamectl</span><span style="color: white;"> set-hostname "openstack.example.com"</span></span></pre>
<h4 style="background-color: white; border: 0px; font-family: 'PT Serif', serif; font-size: 24px; font-stretch: inherit; font-weight: 400; letter-spacing: -0.3px; line-height: 1.3em; margin: 0px 0px 14px; padding: 0px; vertical-align: baseline; word-wrap: break-word;">
<span style="border: 0px; font-family: inherit; font-size: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: inherit; line-height: inherit; margin: 0px; padding: 0px; vertical-align: baseline;"><span style="color: #0b5394;">Step:2 Set the Selinux in Permissive Mode</span></span></h4>
<pre style="background: rgb(54, 54, 54); border-radius: 7px; border: 1px solid rgb(221, 221, 221); font-stretch: inherit; line-height: 19px; margin-bottom: 15px; margin-top: 15px; overflow-x: auto; overflow-y: hidden; padding: 18px 20px; vertical-align: baseline; white-space: pre-wrap;"><span style="font-family: "verdana" , sans-serif;"><span style="color: white;">[root@localhost ~]# </span><span style="color: lime;">setenforce</span><span style="color: white;"> 0</span></span></pre>
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Edit the selinux config file ( <span style="border: 0px; font-family: inherit; font-size: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: 600; line-height: inherit; margin: 0px; padding: 0px; vertical-align: baseline;"><span style="color: red;">/etc/sysconfig/selinux</span></span> ) and set “<span style="border: 0px; font-family: inherit; font-size: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: 600; line-height: inherit; margin: 0px; padding: 0px; vertical-align: baseline;"><span style="color: red;">SELINUX=permissive</span></span>”</div>
<pre style="background: rgb(54, 54, 54); border-radius: 7px; border: 1px solid rgb(221, 221, 221); font-stretch: inherit; line-height: 19px; margin-bottom: 15px; margin-top: 15px; overflow-x: auto; overflow-y: hidden; padding: 18px 20px; vertical-align: baseline; white-space: pre-wrap;"><span style="font-family: "verdana" , sans-serif;"><span style="color: white;">[root@localhost ~]# grep permissive /etc/sysconfig/selinux
</span><span style="color: lime;">SELINUX=permissive</span><span style="color: white;">
</span></span><span style="color: white; font-family: "monaco" , "courier new" , "dejavu sans mono" , "bitstream vera sans mono" , monospace; font-size: 12px;">
</span></pre>
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<span style="border: 0px; font-family: inherit; font-size: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: inherit; line-height: inherit; margin: 0px; padding: 0px; vertical-align: baseline;"><span style="color: #0b5394;">Step:3 Disable firewalld & NetworkManager Service</span></span></h4>
<pre style="background: rgb(54, 54, 54); border-radius: 7px; border: 1px solid rgb(221, 221, 221); font-stretch: inherit; line-height: 19px; margin-bottom: 15px; margin-top: 15px; overflow-x: auto; overflow-y: hidden; padding: 18px 20px; vertical-align: baseline; white-space: pre-wrap;"><span style="font-family: "verdana" , sans-serif;"><span style="color: white;">[root@openstack ~]# </span><span style="color: lime;">systemctl stop firewalld</span><span style="color: white;">
[root@openstack ~]# systemctl disable firewalld
Removed symlink /etc/systemd/system/dbus-org.fedoraproject.FirewallD1.service.
</span><span style="color: lime;">Removed symlink /etc/systemd/system/basic.target.wants/firewalld.service.
</span><span style="color: white;">[root@openstack ~]#
[root@openstack ~]# systemctl stop NetworkManager
[root@openstack ~]# systemctl disable NetworkManager
Removed symlink /etc/systemd/system/multi-user.target.wants/NetworkManager.service.
</span><span style="color: lime;">Removed symlink /etc/systemd/system/dbus-org.freedesktop.NetworkManager.service.
</span><span style="color: white;">Removed symlink /etc/systemd/system/dbus-org.freedesktop.nm-dispatcher.service.</span></span><span style="color: white; font-family: "monaco" , "courier new" , "dejavu sans mono" , "bitstream vera sans mono" , monospace; font-size: 12px;">
</span></pre>
<h4 style="background-color: white; border: 0px; font-family: 'PT Serif', serif; font-size: 24px; font-stretch: inherit; font-weight: 400; letter-spacing: -0.3px; line-height: 1.3em; margin: 0px 0px 14px; padding: 0px; vertical-align: baseline; word-wrap: break-word;">
<span style="border: 0px; font-family: inherit; font-size: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: inherit; line-height: inherit; margin: 0px; padding: 0px; vertical-align: baseline;"><span style="color: #0b5394;">Step:4 Enable rdo repository for liberty packages.</span></span></h4>
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Use below commands to update the system and enable rdo repository</div>
<pre style="background: rgb(54, 54, 54); border-radius: 7px; border: 1px solid rgb(221, 221, 221); font-stretch: inherit; line-height: 19px; margin-bottom: 15px; margin-top: 15px; overflow-x: auto; overflow-y: hidden; padding: 18px 20px; vertical-align: baseline; white-space: pre-wrap;"><span style="font-family: "verdana" , sans-serif;"><span style="color: white;">[root@openstack ~]# yum update -y
</span><span style="color: lime;">[root@openstack ~]# yum install -y https://www.rdoproject.org/repos/rdo-release.rpm</span></span></pre>
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<span style="border: 0px; font-family: inherit; font-size: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: inherit; line-height: inherit; margin: 0px; padding: 0px; vertical-align: baseline;"><span style="color: #0b5394;">Step:5 Install OpenStack PackStack Package</span></span></h4>
<pre style="background: rgb(54, 54, 54); border-radius: 7px; border: 1px solid rgb(221, 221, 221); font-stretch: inherit; line-height: 19px; margin-bottom: 15px; margin-top: 15px; overflow-x: auto; overflow-y: hidden; padding: 18px 20px; vertical-align: baseline; white-space: pre-wrap;"><span style="font-family: "verdana" , sans-serif;"><span style="color: white;">[root@openstack ~]# yum install -y </span><span style="color: lime;">openstack-packstack</span></span></pre>
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Generate the answer file using below command.</div>
<pre style="background: rgb(54, 54, 54); border-radius: 7px; border: 1px solid rgb(221, 221, 221); font-stretch: inherit; line-height: 19px; margin-bottom: 15px; margin-top: 15px; overflow-x: auto; overflow-y: hidden; padding: 18px 20px; vertical-align: baseline; white-space: pre-wrap;"><span style="font-family: "verdana" , sans-serif;"><span style="color: lime;">[root@openstack ~]# packstack --gen-answer-file=/root/answer.txt
</span><span style="color: white;">Packstack changed given value to required value /root/.ssh/id_rsa.pub</span></span></pre>
<div style="background-color: white; border: 0px; font-family: 'PT Serif', serif; font-size: 16px; font-stretch: inherit; line-height: 22.3999996185303px; margin-bottom: 1em; padding: 0px; vertical-align: baseline;">
Edit the answer file <span style="color: red;">“<span style="border: 0px; font-family: inherit; font-size: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: 600; line-height: inherit; margin: 0px; padding: 0px; vertical-align: baseline;">/root/answer.txt</span>”</span> , set the following parameters and leave rest of parameters as it is.</div>
<pre style="background: rgb(54, 54, 54); border-radius: 7px; border: 1px solid rgb(221, 221, 221); font-stretch: inherit; line-height: 19px; margin-bottom: 15px; margin-top: 15px; overflow-x: auto; overflow-y: hidden; padding: 18px 20px; vertical-align: baseline; white-space: pre-wrap;"><span style="font-family: "courier new" , "courier" , monospace;"><span style="color: white;"># NTP Server
CONFIG_NTP_SERVERS=<NTP_Server_IP>

# Disable Demo Version
CONFIG_PROVISION_DEMO=n

# Set KeyStone Admin Password or Admin user Password
</span><span style="color: lime;">CONFIG_KEYSTONE_ADMIN_PW=<password>
</span><span style="color: white;">
# Config Horizon over SSL
CONFIG_HORIZON_SSL=y

# Disable Nagios
</span><span style="color: lime;">CONFIG_NAGIOS_INSTALL=n</span></span></pre>
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Note : In case if you don’t have NTP server in your setup then you can leave NTP parameter as it is.</div>
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<span style="border: 0px; font-family: inherit; font-size: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: inherit; line-height: inherit; margin: 0px; padding: 0px; vertical-align: baseline;"><span style="color: #0b5394;">Step:6 Start OpenStack installation using answer file.</span></span></h4>
<pre style="background: rgb(54, 54, 54); border-radius: 7px; border: 1px solid rgb(221, 221, 221); font-stretch: inherit; line-height: 19px; margin-bottom: 15px; margin-top: 15px; overflow-x: auto; overflow-y: hidden; padding: 18px 20px; vertical-align: baseline; white-space: pre-wrap;"><span style="font-family: "verdana" , sans-serif;"><span style="color: white;">[root@openstack ~]# packstack --answer-file</span><span style="color: lime;"> /root/answer.txt</span></span></pre>
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Once the installation is completed , we will get below message.</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiue_jPBMrg_YicaI62snWLpYKxRV-OUh2QUtS24dGna6mvCoy1pL_LnHp7dGPAnjhkjoweWMNX9buqZQpebTwCTcL5mLc1ngM32fTGkIdP3UGhqX-3n_w6Tm2945RLtvdbeOFMQavkcUDa/s1600/openstack-installation-packstack-www.hackthesec.co.in.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="299" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiue_jPBMrg_YicaI62snWLpYKxRV-OUh2QUtS24dGna6mvCoy1pL_LnHp7dGPAnjhkjoweWMNX9buqZQpebTwCTcL5mLc1ngM32fTGkIdP3UGhqX-3n_w6Tm2945RLtvdbeOFMQavkcUDa/s640/openstack-installation-packstack-www.hackthesec.co.in.jpg" width="640" /></a></div>
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After the installation a new interface <span style="color: red;">“<span style="border: 0px; font-family: inherit; font-size: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: 600; line-height: inherit; margin: 0px; padding: 0px; vertical-align: baseline;">br-ex</span>”</span> will be created and assign the IP addess of eth0 or enp0s3 to br-ex .</div>
<pre style="background: rgb(54, 54, 54); border-radius: 7px; border: 1px solid rgb(221, 221, 221); font-stretch: inherit; line-height: 19px; margin-bottom: 15px; margin-top: 15px; overflow-x: auto; overflow-y: hidden; padding: 18px 20px; vertical-align: baseline; white-space: pre-wrap;"><span style="font-family: "verdana" , sans-serif;"><span style="color: white;">[root@openstack ~]# cd /etc/</span><span style="color: cyan;">sysconfig</span><span style="color: white;">/network-scripts/
[root@openstack network-scripts]# cp ifcfg-enp0s3 ifcfg-br-ex
[root@openstack network-scripts]# vi </span><span style="color: cyan;">ifcfg-enp0s3</span><span style="color: white;">
DEVICE=enp0s3
</span><span style="color: lime;">HWADDR="09:02:27:8E:EB:16"
</span><span style="color: white;">TYPE=OVSPort
DEVICETYPE=ovs
</span><span style="color: #cc0000;">OVS_BRIDGE=br-ex
</span><span style="color: white;">ONBOOT=yes

[root@openstack network-scripts]# </span><span style="color: lime;">vi ifcfg-br-ex</span><span style="color: white;">
DEVICE=br-ex
DEVICETYPE=ovs
TYPE=OVSBridge
</span><span style="color: lime;">BOOTPROTO=static
</span><span style="color: white;">IPADDR=192.168.1.3
NETMASK=255.255.255.0
GATEWAY=192.168.1.1
</span><span style="color: lime;">DNS1=192.168.1.254
</span><span style="color: white;">ONBOOT=yes</span></span></pre>
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In above files please change the IP details, Hardware address and Device name as per your setup.</div>
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When we restart the network service , it will add <span style="color: red;">“<span style="border: 0px; font-family: inherit; font-size: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: 600; line-height: inherit; margin: 0px; padding: 0px; vertical-align: baseline;">enp0s3</span>”</span> as a port in <span style="color: red;"><span style="border: 0px; font-family: inherit; font-size: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: 600; line-height: inherit; margin: 0px; padding: 0px; vertical-align: baseline;">br-ex OVS bridge</span>.</span></div>
<pre style="background: rgb(54, 54, 54); border-radius: 7px; border: 1px solid rgb(221, 221, 221); font-stretch: inherit; line-height: 19px; margin-bottom: 15px; margin-top: 15px; overflow-x: auto; overflow-y: hidden; padding: 18px 20px; vertical-align: baseline; white-space: pre-wrap;"><span style="font-family: "verdana" , sans-serif;"><span style="color: white;">[root@openstack network-scripts]# </span><span style="color: red;">systemctl restart</span><span style="color: white;"> network
</span></span><span style="color: white;">
</span></pre>
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Please take a reboot and check whether settings are persistent or not.</div>
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<span style="border: 0px; font-family: inherit; font-size: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: inherit; line-height: inherit; margin: 0px; padding: 0px; vertical-align: baseline;"><span style="color: #0b5394;">Step:7 Now Access OpenStack Dashboard.</span></span></h4>
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When the installation is completed a dashboard link was provided on the screen , in My Case it is <span style="color: red;"><b>“<span style="border: 0px; font-family: inherit; font-size: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; line-height: inherit; margin: 0px; padding: 0px; vertical-align: baseline;">https://192.168.1.3/dashboard”</span></b></span></div>
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