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How to install and configure AutoMySQLBackup

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Install and configure AutoMySQLBackup</h1>
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AutoMySQLBackup is very useful utility for creating daily, weekly or monthly backups of one or more MySQL databases from one of more <a href="http://www.hackthesec.co.in/search/label/Mysql">MySQL </a>servers. It dumps the databases and compress them in to archives.</div>
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it comes with many features such as:</div>
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<li>Email notification of backups</li>
<li>Backup Compression and Encryption</li>
<li>Configurable backup rotation</li>
<li>Incremental database backups</li>
</ul>
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For Debian based systems execute</div>
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<pre style="background: rgb(68, 68, 68); border-radius: 3px; border: 1px solid rgb(221, 221, 221); color: white; font-family: "Courier 10 Pitch", Courier, monospace; font-size: 15px; font-stretch: inherit; line-height: 19px; margin-bottom: 30px; margin-top: 30px; max-width: 100%; overflow-x: auto; overflow-y: hidden; padding: 18px 20px; vertical-align: baseline; word-wrap: normal;">apt-get update && apt-get upgrade</pre>
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For RPM based systems execute</div>
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<pre style="background: rgb(68, 68, 68); border-radius: 3px; border: 1px solid rgb(221, 221, 221); color: white; font-family: "Courier 10 Pitch", Courier, monospace; font-size: 15px; font-stretch: inherit; line-height: 19px; margin-bottom: 30px; margin-top: 30px; max-width: 100%; overflow-x: auto; overflow-y: hidden; padding: 18px 20px; vertical-align: baseline; word-wrap: normal;">yum -y update</pre>
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If you are running Debian based distro <a href="http://www.hackthesec.co.in/search/label/Mysql">AutoMySQLBackup</a> is available in the repositories and you can easily install it by executing the following</div>
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<pre style="background: rgb(68, 68, 68); border-radius: 3px; border: 1px solid rgb(221, 221, 221); color: white; font-family: "Courier 10 Pitch", Courier, monospace; font-size: 15px; font-stretch: inherit; line-height: 19px; margin-bottom: 30px; margin-top: 30px; max-width: 100%; overflow-x: auto; overflow-y: hidden; padding: 18px 20px; vertical-align: baseline; word-wrap: normal;">apt-get install automysqlbackup</pre>
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If you have a RPM based distro you will have to download AutoMySQLBackup’s installation scripts</div>
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<pre style="background-color: whitesmoke; border-radius: 4px; border: 1px solid rgb(204, 204, 204); box-sizing: border-box; color: #333333; font-family: Menlo, Monaco, Consolas, "Courier New", monospace; font-size: 13px; line-height: 1.42857; margin-bottom: 10px; overflow: auto; padding: 9.5px; word-break: break-all; word-wrap: break-word;">wget http://downloads.sourceforge.net/project/automysqlbackup/AutoMySQLBackup/AutoMySQLBackup%20VER%203.0/automysqlbackup-v3.0_rc6.tar.gz</pre>
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Create a directory for Automysqlbackup's scripts and unpack the downloaded tar archive</div>
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<pre style="background: rgb(68, 68, 68); border-radius: 3px; border: 1px solid rgb(221, 221, 221); color: white; font-family: "Courier 10 Pitch", Courier, monospace; font-size: 15px; font-stretch: inherit; line-height: 19px; margin-bottom: 30px; margin-top: 30px; max-width: 100%; overflow-x: auto; overflow-y: hidden; padding: 18px 20px; vertical-align: baseline; word-wrap: normal;">mkdir /opt/automysqlbackup
tar zxvf automysqlbackup-v3.0_rc6.tar.gz -C /opt/automysqlbackup</pre>
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Once the archive is unpacked run the Automysqlbackup installation script</div>
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<pre style="background: rgb(68, 68, 68); border-radius: 3px; border: 1px solid rgb(221, 221, 221); color: white; font-family: "Courier 10 Pitch", Courier, monospace; font-size: 15px; font-stretch: inherit; line-height: 19px; margin-bottom: 30px; margin-top: 30px; max-width: 100%; overflow-x: auto; overflow-y: hidden; padding: 18px 20px; vertical-align: baseline; word-wrap: normal;">cd /opt/automysqlbackup
./install.sh

### Checking archive files for existence, readability and integrity.

automysqlbackup ... exists and is readable ... md5sum okay :)
automysqlbackup.conf ... exists and is readable ... md5sum okay :)
README ... exists and is readable ... md5sum okay :)
LICENSE ... exists and is readable ... md5sum okay :)

Select the global configuration directory [/etc/automysqlbackup]:
Select directory for the executable [/usr/local/bin]:
### Creating global configuration directory /etc/automysqlbackup:

success</pre>
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You can use the default paths for the global configuration directory and the directory for the executable. You just have to press Enter when the paths are required.</div>
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Next, we have to configure AutoMySQLBackup. Open its configuration file located in the directory we set when we ran the installation script.</div>
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<pre style="background: rgb(68, 68, 68); border-radius: 3px; border: 1px solid rgb(221, 221, 221); color: white; font-family: "Courier 10 Pitch", Courier, monospace; font-stretch: inherit; line-height: 19px; margin-bottom: 30px; margin-top: 30px; max-width: 100%; overflow-x: auto; overflow-y: hidden; padding: 18px 20px; vertical-align: baseline; word-wrap: normal;">vim /etc/automysqlbackup/automysqlbackup.conf</pre>
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And uncommend and set the following confituration directives</div>
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<pre style="background-color: whitesmoke; border-radius: 4px; border: 1px solid rgb(204, 204, 204); box-sizing: border-box; color: #333333; font-family: Menlo, Monaco, Consolas, "Courier New", monospace; font-size: 13px; line-height: 1.42857; margin-bottom: 10px; overflow: auto; padding: 9.5px; word-break: break-all; word-wrap: break-word;">CONFIG_mysql_dump_username='root'
CONFIG_mysql_dump_password='YourPassword'
CONFIG_mysql_dump_host='localhost'
CONFIG_backup_dir='/var/backup/db'
CONFIG_do_monthly="01"
CONFIG_do_weekly="5"
CONFIG_rotation_daily=6
CONFIG_rotation_weekly=35
CONFIG_rotation_monthly=150
CONFIG_mysql_dump_port=3306
CONFIG_mysql_dump_compression='gzip'</pre>
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Once you are done with editing, save the configuration file. All settings are optional and there is description for all of them, so it is best to check the configuration file for more information about the settings of AutoMySQLBackup.</div>
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Create a directory for the MySQL backups. This is the directory we set as ‘backup_dir’ in the configuration file.</div>
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<pre style="background: rgb(68, 68, 68); border-radius: 3px; border: 1px solid rgb(221, 221, 221); color: white; font-family: "Courier 10 Pitch", Courier, monospace; font-stretch: inherit; line-height: 19px; margin-bottom: 30px; margin-top: 30px; max-width: 100%; overflow-x: auto; overflow-y: hidden; padding: 18px 20px; vertical-align: baseline; word-wrap: normal;">mkdir /var/backup</pre>
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If you want to create a backup of your MySQL databases, run AutoMySQLBackup by executing the following</div>
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<pre style="background: rgb(68, 68, 68); border-radius: 3px; border: 1px solid rgb(221, 221, 221); color: white; font-family: "Courier 10 Pitch", Courier, monospace; font-size: 15px; font-stretch: inherit; line-height: 19px; margin-bottom: 30px; margin-top: 30px; max-width: 100%; overflow-x: auto; overflow-y: hidden; padding: 18px 20px; vertical-align: baseline; word-wrap: normal;">automysqlbackup</pre>
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You can also create a crontab entry to run AutoMySQLBackup at a specific time or you can use bellow script</div>
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<pre style="background-color: whitesmoke; border-radius: 4px; border: 1px solid rgb(204, 204, 204); box-sizing: border-box; margin-bottom: 10px; overflow: auto; padding: 9.5px; word-break: break-all; word-wrap: break-word;">#!/bin/sh

/usr/local/bin/automysqlbackup /etc/automysqlbackup/automysqlbackup.conf

chown root.root /var/backup/db* -R
sudo chmod -R a-x+X /var/backup/db
</pre>
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How to install and configure AutoMySQLBackup

Install and configure AutoMySQLBackup AutoMySQLBackup is very useful utility for creating daily, weekly or monthly backups of one or mor...

How to Disable MySQL Strict Mode

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How to Disable MySQL Strict Mode <a href="http://www.hackthesec.co.in/search/label/Mysql">MySQL</a>'s, and <a href="http://www.hackthesec.co.in/search/label/MaraiDB">MariaDB</a>'s, strict mode controls how invalid or missing values in data changing queries are handled; this includes INSERT, UPDATE, and CREATE TABLE statements. With strict mode enabled, which is the default state, invalid or missing data may cause warnings or errors when attempting to process the query.</h1>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjk_GBnDAlvdhClBCGn5NtcSwdsMn5A1x2i8f5oTuZxiuKjHCzo_hAGQjp6a4qijIkrZP1hprkgjGxIN_HHx6yIN-CcLPMMGAHksZxBQ_g3eQwIF5Me92JDdOfyRSj2TD_-7r-HbpwB9r7e/s1600/mysql-hackthesec.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjk_GBnDAlvdhClBCGn5NtcSwdsMn5A1x2i8f5oTuZxiuKjHCzo_hAGQjp6a4qijIkrZP1hprkgjGxIN_HHx6yIN-CcLPMMGAHksZxBQ_g3eQwIF5Me92JDdOfyRSj2TD_-7r-HbpwB9r7e/s1600/mysql-hackthesec.png" /></a></div>
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When strict mode is disabled the same query would have its invalid, or missing, values adjusted and would produce a simple warning. This may seem like the preferred result, however with strict mode disabled certain actions may cause unexpected results; for instance, if the value being inserted exceeds the maximum character limit, then it will be truncated to fit the limit. Make Backups, Always! Whenever modifying files on a server it’s always best practice to take some form of a backup beforehand. This ensures you have a way to revert changes if something goes awry; it’s also beneficial because it helps track when and what changes were made. While logged into SSH with the root user, do the following:</h1>
<pre style="background: rgb(68, 68, 68); border-radius: 3px; border: 1px solid rgb(221, 221, 221); color: white; font-family: "Courier 10 Pitch", Courier, monospace; font-size: 15px; font-stretch: inherit; line-height: 19px; margin-bottom: 30px; margin-top: 30px; max-width: 100%; overflow-x: auto; overflow-y: hidden; padding: 18px 20px; vertical-align: baseline; word-wrap: normal;">cp -a /usr/my.cnf{,.strict.bak}
cp -a /etc/my.cnf{,.strict.bak}</pre>
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Note: The above command uses 'BASH brace expansion' in order to make a backup copy of the file in its original directory. Edit the Configuration Files Depending on the server and the current configurations you may need to edit one, or both, of the following files on the server. Generally, the relevant configuration lines are only in one of them, however, it could be in either one without causing issues; so generally it’s best to check both. To edit the files, you will open the file with your favorite command line editor. In this example, we use 'vim'.</h1>
<pre style="background: rgb(68, 68, 68); border-radius: 3px; border: 1px solid rgb(221, 221, 221); color: white; font-family: "Courier 10 Pitch", Courier, monospace; font-size: 15px; font-stretch: inherit; line-height: 19px; margin-bottom: 30px; margin-top: 30px; max-width: 100%; overflow-x: auto; overflow-y: hidden; padding: 18px 20px; vertical-align: baseline; word-wrap: normal;">vim /usr/my.cnf
vim /etc/my.cnf</pre>
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Within each file above you will be looking for a line with the following content:</h1>
<pre style="background: rgb(68, 68, 68); border-radius: 3px; border: 1px solid rgb(221, 221, 221); color: white; font-family: "Courier 10 Pitch", Courier, monospace; font-size: 15px; font-stretch: inherit; line-height: 19px; margin-bottom: 30px; margin-top: 30px; max-width: 100%; overflow-x: auto; overflow-y: hidden; padding: 18px 20px; vertical-align: baseline; word-wrap: normal;">sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES</pre>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi3idFl4fPIUSFLmSTgboyPHtduc7tRU8cGfGlJ9TqV6hYt86Wi_p2XC0jz_DrTkVfFnr0Qy98kEyhac-pkT1kgclbo3H_KzUYG0UqEiV97z6HrbyN3PLM-azS2AJIlW7fDLXgYfZp6rZVJ/s1600/sql_mode-hackthesec.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi3idFl4fPIUSFLmSTgboyPHtduc7tRU8cGfGlJ9TqV6hYt86Wi_p2XC0jz_DrTkVfFnr0Qy98kEyhac-pkT1kgclbo3H_KzUYG0UqEiV97z6HrbyN3PLM-azS2AJIlW7fDLXgYfZp6rZVJ/s1600/sql_mode-hackthesec.png" /></a></div>
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If you find a line similar to the above that is setting the "sql_mode" variable then you will need to replace it with the following line to disable MySQL strict mode.</h1>
<pre style="background: rgb(68, 68, 68); border-radius: 3px; border: 1px solid rgb(221, 221, 221); color: white; font-family: "Courier 10 Pitch", Courier, monospace; font-size: 15px; font-stretch: inherit; line-height: 19px; margin-bottom: 30px; margin-top: 30px; max-width: 100%; overflow-x: auto; overflow-y: hidden; padding: 18px 20px; vertical-align: baseline; word-wrap: normal;">sql_mode=""</pre>
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Once this adjustment has been made, or you've confirmed the file does not need to be adjusted you will then save and close the file. Restart the MySQL Service Finally, to make these changes effective you will need to restart the MySQL service as it will only read the configuration files when it initially loads up. In order to force MySQL to use the new configuration files you will do the following:</h1>
<pre style="background: rgb(68, 68, 68); border-radius: 3px; border: 1px solid rgb(221, 221, 221); color: white; font-family: "Courier 10 Pitch", Courier, monospace; font-size: 15px; font-stretch: inherit; line-height: 19px; margin-bottom: 30px; margin-top: 30px; max-width: 100%; overflow-x: auto; overflow-y: hidden; padding: 18px 20px; vertical-align: baseline; word-wrap: normal;">systemctl restart mysql

/etc/init.d/mysql restart</pre>
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After issuing this command on the server the MySQL service will be restarted and will load the changes made. If all the directions were followed and completed, then MySQL strict mode should now be disabled. To verify that the process was completed properly you can run the following:</h1>
<pre style="background: rgb(68, 68, 68); border-radius: 3px; border: 1px solid rgb(221, 221, 221); color: white; font-family: "Courier 10 Pitch", Courier, monospace; font-size: 15px; font-stretch: inherit; line-height: 19px; margin-bottom: 30px; margin-top: 30px; max-width: 100%; overflow-x: auto; overflow-y: hidden; padding: 18px 20px; vertical-align: baseline; word-wrap: normal;">mysql -e "SELECT @@sql_mode;"</pre>
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The output may look similar to the following:</h1>
<pre style="background: rgb(68, 68, 68); border-radius: 3px; border: 1px solid rgb(221, 221, 221); color: white; font-family: "Courier 10 Pitch", Courier, monospace; font-size: 15px; font-stretch: inherit; line-height: 19px; margin-bottom: 30px; margin-top: 30px; max-width: 100%; overflow-x: auto; overflow-y: hidden; padding: 18px 20px; vertical-align: baseline; word-wrap: normal;">+--------------------------------------------+
| @@sql_mode
+--------------------------------------------+
| NO_AUTO_CREATE_USER
+--------------------------------------------+</pre>
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If you have any questions or are not comfortable making these changes yourself, please feel free to contact admin@hackthesec.co.in Thanks & Regards<a href="http://www.hackthesec.co.in/">www.hackthesec.co.in</a></h1>
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How to Disable MySQL Strict Mode

How to Disable MySQL Strict Mode MySQL 's, and MariaDB 's, strict mode controls how invalid or missing values in data changing que...

How To setup Cassandra and run a Single-Node Cluster on Ubuntu 16.04

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Setup Cassandra and run a Single-Node Cluster</h1>
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Apache Cassandra is an open source distributed database management system designed to handle large amounts of data across many commodity servers, providing high availability with no single point of failure. Cassandra offers capabilities that relational databases and other <a href="http://www.hackthesec.co.in/search/label/nosql_database">NoSQL</a> databases simply cannot match such as: continuous availability, linear scale performance, operational simplicity and easy data distribution across multiple data centers and cloud availability zones. Cassandra’s architecture is responsible for its ability to scale, perform, and offer continuous uptime. Rather than using a legacy master-slave or a manual and difficult-to-maintain shared architecture, Cassandra has a masterless "ring" design that is elegant, easy to setup, and easy to maintain.</h1>
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</h1>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiGuVjo0yCqyiJYDZ7C3zEZhBre8U3ebJTdOMaEGkTPY8xT6Kv8b8yjWHHvT9JFO58TbS-NVd4V1cVXIWBfAhCUktnTwoJ8ZD3sMobafW29y5msMnar5jum7doypNYRuQd7e590BQgujc_g/s1600/UBUNTU-Cassandra-hackthesec.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiGuVjo0yCqyiJYDZ7C3zEZhBre8U3ebJTdOMaEGkTPY8xT6Kv8b8yjWHHvT9JFO58TbS-NVd4V1cVXIWBfAhCUktnTwoJ8ZD3sMobafW29y5msMnar5jum7doypNYRuQd7e590BQgujc_g/s1600/UBUNTU-Cassandra-hackthesec.jpg" /></a> </div>
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Let’s see how we are going to install and use it to run a single-node cluster on Ubuntu 16.04.</h1>
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System Update: Update our system to latest updates and security patches available before installing other prerequisites and Cassandra, . You can run the command below to get the latest updates.</h1>
<pre style="background: rgb(68, 68, 68); border-radius: 3px; border: 1px solid rgb(221, 221, 221); color: white; font-family: "Courier 10 Pitch", Courier, monospace; font-size: 15px; font-stretch: inherit; line-height: 19px; margin-bottom: 30px; margin-top: 30px; max-width: 100%; overflow-x: auto; overflow-y: hidden; padding: 18px 20px; vertical-align: baseline; word-wrap: normal;">$ sudo apt-get update</pre>
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Installing JDK 8: Apache Cassandra is run on top of Java Virtual Machine (JVM). We’ll install Oracle JDK 8 on the system before we install Apache Cassandra. Apache Cassandra can also run on OpenJDK, IBM JVM and Azul Zing JVM. We will install Oracle JDK using the Webupd8 team team PPA repository. First step is to add the webupd8team ppa repository using below command.</h1>
<pre style="background: rgb(68, 68, 68); border-radius: 3px; border: 1px solid rgb(221, 221, 221); color: white; font-family: "Courier 10 Pitch", Courier, monospace; font-size: 15px; font-stretch: inherit; line-height: 19px; margin-bottom: 30px; margin-top: 30px; max-width: 100%; overflow-x: auto; overflow-y: hidden; padding: 18px 20px; vertical-align: baseline; word-wrap: normal;">$ sudo add-apt-repository ppa:webupd8team/java</pre>
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Press [ENTER] to continue or ctrl-c to cancel adding it. You need to press enter to continue adding the webupd8team PPA repository. Then update the package database and install JDK 8 by flowing below command.</h1>
<pre style="background: rgb(68, 68, 68); border-radius: 3px; border: 1px solid rgb(221, 221, 221); color: white; font-family: "Courier 10 Pitch", Courier, monospace; font-size: 15px; font-stretch: inherit; line-height: 19px; margin-bottom: 30px; margin-top: 30px; max-width: 100%; overflow-x: auto; overflow-y: hidden; padding: 18px 20px; vertical-align: baseline; word-wrap: normal;">$ sudo apt-get update</pre>
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Now install the Oracle JRE package, this will not only installs but also makes it the default JRE.</h1>
<pre style="background: rgb(68, 68, 68); border-radius: 3px; border: 1px solid rgb(221, 221, 221); color: white; font-family: "Courier 10 Pitch", Courier, monospace; font-size: 15px; font-stretch: inherit; line-height: 19px; margin-bottom: 30px; margin-top: 30px; max-width: 100%; overflow-x: auto; overflow-y: hidden; padding: 18px 20px; vertical-align: baseline; word-wrap: normal;">$ sudo apt-get -y install oracle-java8-installer</pre>
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Accept the license agreement when prompted.</h1>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiN7qlJXe6WeThTLSMyp_s0DgN78ESHdOlqtpyO638GzbscgfvXPUZmHOqcpiiHwckmsY0dZc8H-IG64QkCcVxA9S3Ug7tXP74cksS6lY_urHDsJ1Rj6fgZud7uc1EkyTVDQz5F5Bv6AXPB/s1600/2_oracle-java_hackthesec.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiN7qlJXe6WeThTLSMyp_s0DgN78ESHdOlqtpyO638GzbscgfvXPUZmHOqcpiiHwckmsY0dZc8H-IG64QkCcVxA9S3Ug7tXP74cksS6lY_urHDsJ1Rj6fgZud7uc1EkyTVDQz5F5Bv6AXPB/s1600/2_oracle-java_hackthesec.png" /></a></div>
<h1 class="entry-title" itemprop="headline">
Then accepting the Oracle Binary Code License Terms by Choosing 'Yes' option</h1>
<h1 class="entry-title" itemprop="headline">
<div class="separator" style="clear: both; text-align: center;">
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhaYmwVfnAewIyX5CCV0ULA9BAACrKvtgxC_n05K2kdfbUfY0c7UAR2eND-kRh3j16Ud_ymOS3y_F8UNPO1I6gqspazdKclDn1owd5uOBuGCtT8s1kJf2jZzfkOD1L-Lo4RNpLFTqmvhYTB/s1600/3_oracle-java-license-hackthesec.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhaYmwVfnAewIyX5CCV0ULA9BAACrKvtgxC_n05K2kdfbUfY0c7UAR2eND-kRh3j16Ud_ymOS3y_F8UNPO1I6gqspazdKclDn1owd5uOBuGCtT8s1kJf2jZzfkOD1L-Lo4RNpLFTqmvhYTB/s1600/3_oracle-java-license-hackthesec.png" /></a></div>
</h1>
<h1 class="entry-title" itemprop="headline">
Once installation of Java 8 complete, you can check the current java version by running command below.</h1>
<pre style="background-color: whitesmoke; border-radius: 4px; border: 1px solid rgb(204, 204, 204); box-sizing: border-box; margin-bottom: 10px; overflow: auto; padding: 9.5px; word-break: break-all; word-wrap: break-word;">ubuntu@ubuntu-16:~$ java -version
java version "1.8.0_91"
Java(TM) SE Runtime Environment (build 1.8.0_91-b14)
Java HotSpot(TM) 64-Bit Server VM (build 25.91-b14, mixed mode)</pre>
<h1 class="entry-title" itemprop="headline">
Installing Apache Cassandra: No we can start installing Apache Cassandra ,from the official Apache Software Foundation repositories, so start by adding the repo so that the packages are available to the system by adding the repo's source.</h1>
<pre style="background: rgb(68, 68, 68); border-radius: 3px; border: 1px solid rgb(221, 221, 221); color: white; font-family: "Courier 10 Pitch", Courier, monospace; font-size: 15px; font-stretch: inherit; line-height: 19px; margin-bottom: 30px; margin-top: 30px; max-width: 100%; overflow-x: auto; overflow-y: hidden; padding: 18px 20px; vertical-align: baseline; word-wrap: normal;">$ echo "deb-src http://www.apache.org/dist/cassandra/debian 37x main" | sudo tee -a /etc/apt/sources.list.d/cassandra.sources.list</pre>
<h1 class="entry-title" itemprop="headline">
Then add the following three public keys from the Apache Software Foundation associated with the package repositories to avoid package signature warnings.</h1>
<pre style="background-color: whitesmoke; border-radius: 4px; border: 1px solid rgb(204, 204, 204); box-sizing: border-box; margin-bottom: 10px; overflow: auto; padding: 9.5px; word-break: break-all; word-wrap: break-word;">$ gpg --keyserver pgp.mit.edu --recv-keys F758CE318D77295D
$ gpg --export --armor F758CE318D77295D | sudo apt-key add -</pre>
<h1 class="entry-title" itemprop="headline">
 Add the second key using below commands.</h1>
<pre style="background-color: whitesmoke; border-radius: 4px; border: 1px solid rgb(204, 204, 204); box-sizing: border-box; margin-bottom: 10px; overflow: auto; padding: 9.5px; word-break: break-all; word-wrap: break-word;">$ gpg --keyserver pgp.mit.edu --recv-keys 2B5C1B00
$ gpg --export --armor 2B5C1B00 | sudo apt-key add -</pre>
<h1 class="entry-title" itemprop="headline">
 To add third keys run the below commands.</h1>
<pre style="background-color: whitesmoke; border-radius: 4px; border: 1px solid rgb(204, 204, 204); box-sizing: border-box; margin-bottom: 10px; overflow: auto; padding: 9.5px; word-break: break-all; word-wrap: break-word;">$ gpg --keyserver pgp.mit.edu --recv-keys 0353B12C
$ gpg --export --armor 0353B12C | sudo apt-key add -</pre>
<h1 class="entry-title" itemprop="headline">
After this once again update your system, so that ‘apt-get’ can read the metadata of Cassandra repository.</h1>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg3hGspjUd9Xri5z63A2QubM_mUWwD6gnGDTL-OQBxqRbCdl5tQfedCQNAzSuFZqbLqrM1lN62IxrvN5fxmGBz2wO3R-22zbELDuXWC6P8cElYkNAY0wPWz_RKyZTKi0LKt-IzubCPUN5KO/s1600/4_cassandra-key-hackthesec.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg3hGspjUd9Xri5z63A2QubM_mUWwD6gnGDTL-OQBxqRbCdl5tQfedCQNAzSuFZqbLqrM1lN62IxrvN5fxmGBz2wO3R-22zbELDuXWC6P8cElYkNAY0wPWz_RKyZTKi0LKt-IzubCPUN5KO/s1600/4_cassandra-key-hackthesec.png" /></a></div>
<h1 class="entry-title" itemprop="headline">
After system updates, now let's install Cassandra 37x on your Ubuntu 14 LTS. This is the latest stable version of Cassandra. Run the below command to install Cassandra on your Ubuntu system and pres 'y' key to continue.</h1>
<pre style="background: rgb(68, 68, 68); border-radius: 3px; border: 1px solid rgb(221, 221, 221); color: white; font-family: "Courier 10 Pitch", Courier, monospace; font-size: 15px; font-stretch: inherit; line-height: 19px; margin-bottom: 30px; margin-top: 30px; max-width: 100%; overflow-x: auto; overflow-y: hidden; padding: 18px 20px; vertical-align: baseline; word-wrap: normal;">$ sudo apt-get install cassandra</pre>
<h1 class="entry-title" itemprop="headline">
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhi0u8pMOf6hmOgE2WGHQ09aTnRiSLztt8YNodwAqHcEXSeowXYxx0Yziimtx1eCU_Tslhgeom1ab_ahyphenhyphen51FVo_ISZ4qqSExnISiSHrKFocUUrnJdse3Leg5G5e6iKF1khWOt65CuBEeVrL/s1600/5_intall-casandra-hackthesec.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhi0u8pMOf6hmOgE2WGHQ09aTnRiSLztt8YNodwAqHcEXSeowXYxx0Yziimtx1eCU_Tslhgeom1ab_ahyphenhyphen51FVo_ISZ4qqSExnISiSHrKFocUUrnJdse3Leg5G5e6iKF1khWOt65CuBEeVrL/s1600/5_intall-casandra-hackthesec.png" /></a></div>
</h1>
<h1 class="entry-title" itemprop="headline">
Starting Cassandra service: Now Cassandra service should be up and running on your system. To confirm that it’s not running, use below command to check its status.</h1>
<pre style="background: rgb(68, 68, 68); border-radius: 3px; border: 1px solid rgb(221, 221, 221); color: white; font-family: "Courier 10 Pitch", Courier, monospace; font-size: 15px; font-stretch: inherit; line-height: 19px; margin-bottom: 30px; margin-top: 30px; max-width: 100%; overflow-x: auto; overflow-y: hidden; padding: 18px 20px; vertical-align: baseline; word-wrap: normal;">$ sudo service cassandra status </pre>
<h1 class="entry-title" itemprop="headline">
If you did not get the running status, then flow the command below in your command line terminal to start its service.</h1>
<pre style="background: rgb(68, 68, 68); border-radius: 3px; border: 1px solid rgb(221, 221, 221); color: white; font-family: "Courier 10 Pitch", Courier, monospace; font-size: 15px; font-stretch: inherit; line-height: 19px; margin-bottom: 30px; margin-top: 30px; max-width: 100%; overflow-x: auto; overflow-y: hidden; padding: 18px 20px; vertical-align: baseline; word-wrap: normal;">$ sudo service cassandra start</pre>
<h1 class="entry-title" itemprop="headline">
Connecting to the Cluster: Once your Cassandra service is up and running , check the status of the cluster using below command.</h1>
<pre style="background: rgb(68, 68, 68); border-radius: 3px; border: 1px solid rgb(221, 221, 221); color: white; font-family: "Courier 10 Pitch", Courier, monospace; font-size: 15px; font-stretch: inherit; line-height: 19px; margin-bottom: 30px; margin-top: 30px; max-width: 100%; overflow-x: auto; overflow-y: hidden; padding: 18px 20px; vertical-align: baseline; word-wrap: normal;">$ sudo nodetool status</pre>
<pre style="background-color: whitesmoke; border-radius: 4px; border: 1px solid rgb(204, 204, 204); box-sizing: border-box; margin-bottom: 10px; overflow: auto; padding: 9.5px; word-break: break-all; word-wrap: break-word;">Datacenter: datacenter1
=======================
Status=Up/Down
|/ State=Normal/Leaving/Joining/Moving
-- Address Load Tokens Owns (effective) Host ID Rack
UN 127.0.0.1 103.01 KiB 256 100.0% da43244b-b1f1-4426-9b24-9ea3cb31ecb4 rack1</pre>
<h1 class="entry-title" itemprop="headline">
In the output, UN means it’s Up and Normal. Then connect to it using its interactive command line interface 'cqlsh'. </h1>
<pre style="background: rgb(68, 68, 68); border-radius: 3px; border: 1px solid rgb(221, 221, 221); color: white; font-family: "Courier 10 Pitch", Courier, monospace; font-size: 15px; font-stretch: inherit; line-height: 19px; margin-bottom: 30px; margin-top: 30px; max-width: 100%; overflow-x: auto; overflow-y: hidden; padding: 18px 20px; vertical-align: baseline; word-wrap: normal;">$ cqlsh</pre>
<h1 class="entry-title" itemprop="headline">
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEimN4Xz-Zb5Dbe50ZVifnbY23F33OcRr4wVloCvsro6dEfJ_wVDjkC-nEhto86B9zDXWljsreAYaH6oa0uOUF4eyM5RvYzYQq86cS7YY1W50iYsXCJhJ_-eOw0osXlQtyZidnVe8HVSoD-n/s1600/6_connecting-cluster-hackthesec.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEimN4Xz-Zb5Dbe50ZVifnbY23F33OcRr4wVloCvsro6dEfJ_wVDjkC-nEhto86B9zDXWljsreAYaH6oa0uOUF4eyM5RvYzYQq86cS7YY1W50iYsXCJhJ_-eOw0osXlQtyZidnVe8HVSoD-n/s1600/6_connecting-cluster-hackthesec.png" /></a></div>
</h1>
<h1 class="entry-title" itemprop="headline">
Using Apache Cassandra: Let’s try our Cassandra installation by creating a test database. First of all let’s create a keyspace, this is a namespace for tables. The keyspace name below is 'mydb'.</h1>
<pre style="background: rgb(68, 68, 68); border-radius: 3px; border: 1px solid rgb(221, 221, 221); color: white; font-family: "Courier 10 Pitch", Courier, monospace; font-size: 15px; font-stretch: inherit; line-height: 19px; margin-bottom: 30px; margin-top: 30px; max-width: 100%; overflow-x: auto; overflow-y: hidden; padding: 18px 20px; vertical-align: baseline; word-wrap: normal;">cqlsh> CREATE KEYSPACE mydb WITH REPLICATION = { 'class' : 'SimpleStrategy', 'replication_factor' : 1 }; 
cqlsh> use mydb;
cqlsh:moviedb> CREATE TABLE books (id int PRIMARY KEY, title text, year text);
cqlsh:mydb> DESC books;</pre>
<h1 class="entry-title" itemprop="headline">
<div class="separator" style="clear: both; text-align: center;">
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgecD3JL1s54qhL49It7Y5ReBs5D2Qc8wHnx1x56buaavMfHFVIUutV1sWv72w3AlFlmhNcV_7KDODBkKy_6cyybwUSYcd3oaUSgeKmllVPJ5TqB62tMTlbcz-2_89xbbHOyVU2KsHhi5XO/s1600/7_using-cassandra-hackthesec.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgecD3JL1s54qhL49It7Y5ReBs5D2Qc8wHnx1x56buaavMfHFVIUutV1sWv72w3AlFlmhNcV_7KDODBkKy_6cyybwUSYcd3oaUSgeKmllVPJ5TqB62tMTlbcz-2_89xbbHOyVU2KsHhi5XO/s1600/7_using-cassandra-hackthesec.png" /></a></div>
</h1>
<h1 class="entry-title" itemprop="headline">
The table is ready, now you can to add some data in it. </h1>
<h1 class="entry-title" itemprop="headline">
Thanks & Regards<a href="http://www.hackthesec.co.in/"> www.hackthesec.co.in</a> </h1>
</div>

How To setup Cassandra and run a Single-Node Cluster on Ubuntu 16.04

Setup Cassandra and run a Single-Node Cluster Apache Cassandra is an open source distributed database management system designed to hand...

How to install min web browser on linux

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Min Brand New Web Browser for Linux 
<a href="https://minbrowser.github.io/min/">Min </a>is a smarter, faster, light weight Brand New web browser for Linux, Windows & Mac. Find anything instantly with information from DuckDuckGo including Wikipedia entries and more. Speed up your search with fuzzy search, and get suggestions instantly before you even start typing. While creating bookmark the full text of the page is saved and becomes searchable. 
<div class="separator" style="clear: both; text-align: center;">
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiLDsz35xuEU1xY02zYSb3vSH90rqbHzWs6wLAvNwDxY-RcxamuuIw7rRERrKQnlJEIIh2r0gOKpHJc8JnB_iKobYn4WnmBh335vBLMLvQnVyLbR6Z9KfydF2mCFD7T9WY7ah-XfYQ0zGU7/s1600/min_hackthesec.co.in.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiLDsz35xuEU1xY02zYSb3vSH90rqbHzWs6wLAvNwDxY-RcxamuuIw7rRERrKQnlJEIIh2r0gOKpHJc8JnB_iKobYn4WnmBh335vBLMLvQnVyLbR6Z9KfydF2mCFD7T9WY7ah-XfYQ0zGU7/s1600/min_hackthesec.co.in.png" /></a></div>
 
Effortless tab management : Tabs in Min open next to the current tab, so you’ll never lose your place. You can view your tabs in a list, or split them into groups when you have lots of tabs. 
 
Built-in ad blocking : Min have Built-in ad blocking which will help us to block the ads. Also you have option to block scripts & images when you’re using a slow internet connection to speed up your browsing experience. 
 
Fast and efficient : Min is designed to be fast. It uses less battery power, so you don’t have to worry about finding a charger. 
 
Min is written entirely electron with CSS and JavaScript, and It’s purely open-source software. 
Install Min on Debian based Systems 
 
We can easily install Min on Debian based systems such as Debian, Ubuntu & Mint by downloading .deb file from <a href="https://github.com/minbrowser/min/releases">project github page</a>. 
<pre style="background: rgb(68, 68, 68); border-radius: 3px; border: 1px solid rgb(221, 221, 221); color: white; font-family: "Courier 10 Pitch", Courier, monospace; font-size: 15px; font-stretch: inherit; line-height: 19px; margin-bottom: 30px; margin-top: 30px; max-width: 100%; overflow-x: auto; overflow-y: hidden; padding: 18px 20px; vertical-align: baseline; word-wrap: normal;">$ wget https://github.com/minbrowser/min/releases/download/v1.3.1/min_1.3.1_amd64.deb
$ sudo dpkg -i min_1.3.1_amd64.deb</pre>
Install Min on Linux 
 
Download the Min source archive and install it to other Linux distribution. Download the archive file from <a href="https://github.com/minbrowser/min/releases">project github</a> page and install it. 
 
<div style="text-align: center;">
<a href="http://www.hackthesec.co.in/">www.hackthesec.co.in</a></div>
 </div>

How to install min web browser on linux

Min Brand New Web Browser for Linux Min is a smarter, faster, light weight Brand New web browser for Linux, Windows & Mac. Find anythi...

phpVirtualBox – A web-based front end for VirtualBox

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phpVirtualBox – A web-based front end for VirtualBox 
phpVirtualBox is a web-based front-end to VirtualBox that allows you to control your VirtualBox environment.An open source, AJAX implementation of the VirtualBox user interface written in PHP. As a modern web interface, it allows you to access and control remote VirtualBox instances. phpVirtualBox is designed to allow users to administer VirtualBox in a headless environment - mirroring the VirtualBox GUI through its web interface. 
INSTALLATION  
<pre style="background: rgb(68, 68, 68); border-radius: 3px; border: 1px solid rgb(221, 221, 221); color: white; font-family: "Courier 10 Pitch", Courier, monospace; font-size: 15px; font-stretch: inherit; line-height: 19px; margin-bottom: 30px; margin-top: 30px; max-width: 100%; overflow-x: auto; overflow-y: hidden; padding: 18px 20px; vertical-align: baseline; word-wrap: normal;"><span style="border: 0px; color: #848484; 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;">[Install Apache & PHP]
$ sudo apt-get install apache2 php5 php5-mysql libapache2-mod-php5 php-soap

<span style="border: 0px; color: #848484; 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;">[Start Apache Service on RPM based system]
$ sudo systemctl start httpd
$ sudo /etc/init.d/httpd start</pre>
Visit <a href="https://sourceforge.net/projects/phpvirtualbox/">phpVirtualBox official Website</a> and download the latest version phpVirtualBox 
<pre style="background: rgb(68, 68, 68); border-radius: 3px; border: 1px solid rgb(221, 221, 221); color: white; font-family: "Courier 10 Pitch", Courier, monospace; font-size: 15px; font-stretch: inherit; line-height: 19px; margin-bottom: 30px; margin-top: 30px; max-width: 100%; overflow-x: auto; overflow-y: hidden; padding: 18px 20px; vertical-align: baseline; word-wrap: normal;">$ sudo wget https://sourceforge.net/projects/phpvirtualbox/files/phpvirtualbox-5.0-5.zip
$ sudo unzip phpvirtualbox-5.0-5.zip
$ sudo mv phpvirtualbox-5.0-5 /var/www/html/phpvirtualbox
$ sudo chmod 777 /var/www/html/phpvirtualbox</pre>
VirtualBox provides a service called vboxwebsrv which allow phpVirtualBox to connect to it. 
<pre style="background: rgb(68, 68, 68); border-radius: 3px; border: 1px solid rgb(221, 221, 221); color: white; font-family: "Courier 10 Pitch", Courier, monospace; font-size: 15px; font-stretch: inherit; line-height: 19px; margin-bottom: 30px; margin-top: 30px; max-width: 100%; overflow-x: auto; overflow-y: hidden; padding: 18px 20px; vertical-align: baseline; word-wrap: normal;"><span style="border: 0px; color: #848484; 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;">[Create Vboxwebsrv user : Use existing user or create new users as your wish]
$ sudo useradd virtual
$ sudo passwd virtual

<span style="border: 0px; color: #848484; 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;">[Add the user to vboxuser group]
$ sudo usermod -a -G vboxuser virtual</pre>
Edit or create the following configuration file using your preferred text editor and Add the following contents. 
<pre style="background: rgb(68, 68, 68); border-radius: 3px; border: 1px solid rgb(221, 221, 221); color: white; font-family: "Courier 10 Pitch", Courier, monospace; font-size: 15px; font-stretch: inherit; line-height: 19px; margin-bottom: 30px; margin-top: 30px; max-width: 100%; overflow-x: auto; overflow-y: hidden; padding: 18px 20px; vertical-align: baseline; word-wrap: normal;">$ sudo nano /etc/default/virtualbox
VBOXWEB_USER="virtual"</pre>
Configure phpVirtualBox by editing config.php file. 
<pre style="background: rgb(68, 68, 68); border-radius: 3px; border: 1px solid rgb(221, 221, 221); color: white; font-family: "Courier 10 Pitch", Courier, monospace; font-size: 15px; font-stretch: inherit; line-height: 19px; margin-bottom: 30px; margin-top: 30px; max-width: 100%; overflow-x: auto; overflow-y: hidden; padding: 18px 20px; vertical-align: baseline; word-wrap: normal;">$ sudo cp /var/www/html/phpvirtualbox/config.php-example /var/www/html/phpvirtualbox/config.php
$ sudo nano /var/www/html/phpvirtualbox/config.php
[...]
var $username = 'virtual';
var $password = '12345';
[...]</pre>
Start the virtualbox web service 
<pre style="background: rgb(68, 68, 68); border-radius: 3px; border: 1px solid rgb(221, 221, 221); color: white; font-family: "Courier 10 Pitch", Courier, monospace; font-size: 15px; font-stretch: inherit; line-height: 19px; margin-bottom: 30px; margin-top: 30px; max-width: 100%; overflow-x: auto; overflow-y: hidden; padding: 18px 20px; vertical-align: baseline; word-wrap: normal;"><span style="border: 0px; color: #848484; 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;">[Start the virtualbox web service on systemd Systems]
$ sudo systemctl start vboxweb-service

<span style="border: 0px; color: #848484; 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;">[Restart Apache Service on RPM based system]
$ sudo systemctl restart httpd
$ sudo /etc/init.d/httpd restart</pre>
Working with phpVirtualBox 
 
Now you can access phpVirtualBox Web console on any system which have GUI desktop environements through http://ip-address-of-virtualbox-server/phpvirtualbox. The default username/password is admin:admin. 
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I have successfully got virtualbox interface, now you can Manage & Administrate the VM’s. 
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phpVirtualBox – A web-based front end for VirtualBox

phpVirtualBox – A web-based front end for VirtualBox phpVirtualBox is a web-based front-end to VirtualBox that allows you to control your ...

Atop – monitor system resources in Linux

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Atop – monitor system resources in Linux 
Atop is an ASCII full-screen performance monitor for Linux that is capable of reporting the activity of all processes (even if processes have finished during the interval), daily logging of system and process activity for long-term analysis, highlighting overloaded system resources by using colors, etc. At regular intervals, it shows system-level activity related to the CPU, memory, swap, disks (including LVM) and network layers, and for every process (and thread) it shows e.g. the CPU utilization, memory growth, disk utilization, priority, username, state, and exit code. 
In combination with the optional kernel module netatop, it even shows network activity per process/thread. 
 
The command atop has some major advantages compared to other performance monitoring tools: 
 
<ul style="text-align: left;">
<li>Resource consumption by all processes</li>
<li>Utilization of all relevant resources</li>
<li>Permanent logging of resource utilization</li>
<li>Highlight critical resources</li>
<li>Scalable window width</li>
<li>Resource consumption by individual threads</li>
<li>Watch activity only</li>
<li>Watch deviations only</li>
<li>Accumulated process activity per user</li>
<li>Accumulated process activity per program</li>
<li>Network activity per process</li>
</ul>
<div>
Install atop on RHEL/CentOS and Fedora linux</div>
 
 
First you need to enable <a href="http://www.hackthesec.co.in/search/label/EPEL">EPEL </a>or RPMForge repository as described here to install atop. Type the following yum command: 
<span style="-webkit-text-stroke-width: 0px; background-color: white; color: #0b5394; font-family: verdana, geneva, sans-serif; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: 19.2px; orphans: auto; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 1; word-spacing: 0px;"> 
<pre style="-webkit-text-stroke-width: 0px; background: rgb(68, 67, 65); border-radius: 6px; border: 1px solid rgb(227, 227, 227); box-sizing: border-box; clear: none !important; color: white; font-family: monospace, serif; font-size: 14px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: 19.2px; margin-bottom: 10px !important; margin-top: 10px !important; orphans: auto; overflow: auto; padding: 10px !important; text-align: left; text-indent: 0px; text-transform: none; widows: 1; width: auto !important; word-break: break-all; word-spacing: 0px;"># yum -y install atop</pre>
Install Atop on Debian/Ubuntu and Mint linux 
<pre style="background: rgb(68, 67, 65); border-radius: 6px; border: 1px solid rgb(227, 227, 227); box-sizing: border-box; clear: none !important; color: white; font-family: monospace, serif; font-size: 14px; line-height: 19.2px; margin-bottom: 10px !important; margin-top: 10px !important; overflow: auto; padding: 10px !important; width: auto !important; word-break: break-all;"># sudo apt-get install atop -y</pre>
How to use atop program 
 
Type the following command as root user: 
<pre style="background: rgb(68, 67, 65); border-radius: 6px; border: 1px solid rgb(227, 227, 227); box-sizing: border-box; clear: none !important; color: white; font-family: monospace, serif; font-size: 14px; line-height: 19.2px; margin-bottom: 10px !important; margin-top: 10px !important; overflow: auto; padding: 10px !important; width: auto !important; word-break: break-all;"># atop</pre>
Example output: 
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To see active processes only 
<pre style="background: rgb(68, 67, 65); border-radius: 6px; border: 1px solid rgb(227, 227, 227); box-sizing: border-box; clear: none !important; color: white; font-family: monospace, serif; font-size: 14px; line-height: 19.2px; margin-bottom: 10px !important; margin-top: 10px !important; overflow: auto; padding: 10px !important; width: auto !important; word-break: break-all;"># atop -a</pre>
Display individual threads 
<pre style="background: rgb(68, 67, 65); border-radius: 6px; border: 1px solid rgb(227, 227, 227); box-sizing: border-box; clear: none !important; color: white; font-family: monospace, serif; font-size: 14px; line-height: 19.2px; margin-bottom: 10px !important; margin-top: 10px !important; overflow: auto; padding: 10px !important; width: auto !important; word-break: break-all;"># atop -y</pre>
Display average-per-second i.s.o. total values 
<pre style="background: rgb(68, 67, 65); border-radius: 6px; border: 1px solid rgb(227, 227, 227); box-sizing: border-box; clear: none !important; color: white; font-family: monospace, serif; font-size: 14px; line-height: 19.2px; margin-bottom: 10px !important; margin-top: 10px !important; overflow: auto; padding: 10px !important; width: auto !important; word-break: break-all;"># atop -1</pre>
Display memory-related process-info 
<pre style="background: rgb(68, 67, 65); border-radius: 6px; border: 1px solid rgb(227, 227, 227); box-sizing: border-box; clear: none !important; color: white; font-family: monospace, serif; font-size: 14px; line-height: 19.2px; margin-bottom: 10px !important; margin-top: 10px !important; overflow: auto; padding: 10px !important; width: auto !important; word-break: break-all;"># atop -m</pre>
Display disk-related process-info 
<pre style="background: rgb(68, 67, 65); border-radius: 6px; border: 1px solid rgb(227, 227, 227); box-sizing: border-box; clear: none !important; color: white; font-family: monospace, serif; font-size: 14px; line-height: 19.2px; margin-bottom: 10px !important; margin-top: 10px !important; overflow: auto; padding: 10px !important; width: auto !important; word-break: break-all;"># atop -d</pre>
Display network-related process-info 
<pre style="background: rgb(68, 67, 65); border-radius: 6px; border: 1px solid rgb(227, 227, 227); box-sizing: border-box; clear: none !important; color: white; font-family: monospace, serif; font-size: 14px; line-height: 19.2px; margin-bottom: 10px !important; margin-top: 10px !important; overflow: auto; padding: 10px !important; width: auto !important; word-break: break-all;"># atop -n</pre>
Display scheduling-related process-info 
<pre style="background: rgb(68, 67, 65); border-radius: 6px; border: 1px solid rgb(227, 227, 227); box-sizing: border-box; clear: none !important; color: white; font-family: monospace, serif; font-size: 14px; line-height: 19.2px; margin-bottom: 10px !important; margin-top: 10px !important; overflow: auto; padding: 10px !important; width: auto !important; word-break: break-all;"># atop -s</pre>
Display various process-info (ppid, user/group, date/time) 
<pre style="background: rgb(68, 67, 65); border-radius: 6px; border: 1px solid rgb(227, 227, 227); box-sizing: border-box; clear: none !important; color: white; font-family: monospace, serif; font-size: 14px; line-height: 19.2px; margin-bottom: 10px !important; margin-top: 10px !important; overflow: auto; padding: 10px !important; width: auto !important; word-break: break-all;"># atop -v</pre>
Display command line per process 
<pre style="background: rgb(68, 67, 65); border-radius: 6px; border: 1px solid rgb(227, 227, 227); box-sizing: border-box; clear: none !important; color: white; font-family: monospace, serif; font-size: 14px; line-height: 19.2px; margin-bottom: 10px !important; margin-top: 10px !important; overflow: auto; padding: 10px !important; width: auto !important; word-break: break-all;"># atop -c</pre>
Sorting option 
Pass the following option to sort your process: 
 
-C sort processes in order of cpu-consumption (default) 
-M sort processes in order of memory-consumption 
-D sort processes in order of disk-activity 
-N sort processes in order of network-activity 
-A sort processes in order of most active resource (auto mode) 
 
 
For more information about Atop see man page: 
<pre style="background: rgb(68, 67, 65); border-radius: 6px; border: 1px solid rgb(227, 227, 227); box-sizing: border-box; clear: none !important; color: white; font-family: monospace, serif; font-size: 14px; line-height: 19.2px; margin-bottom: 10px !important; margin-top: 10px !important; overflow: auto; padding: 10px !important; width: auto !important; word-break: break-all;"># man atop</pre>
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Atop – monitor system resources in Linux

Atop – monitor system resources in Linux Atop is an ASCII full-screen performance monitor for Linux that is capable of reporting the activ...

How to setup Cacti on RHEL/Centos 7.x

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Setup Cacti on RHEL 7.x and CentOS 7.x System 
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiPknc-KxjFEsEFc3TJas554xPxL7yopdQxZQCyql94RHhsRnnvHHOt-OHnslcJzQHfOhtQaOTHlmXe9KY9pYW-E3WwCt8LZUJkQJCZgPllCratXAK1V2zG9xBBs_cLDcZphDVNpGB5WxEw/s1600/cacti.png" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiPknc-KxjFEsEFc3TJas554xPxL7yopdQxZQCyql94RHhsRnnvHHOt-OHnslcJzQHfOhtQaOTHlmXe9KY9pYW-E3WwCt8LZUJkQJCZgPllCratXAK1V2zG9xBBs_cLDcZphDVNpGB5WxEw/s1600/cacti.png" /></a>Cacti is an open-source, web-based network monitoring and graphing tool designed as a front-end application for the open-source, industry-standard data logging tool RRDtool. Cacti allows a user to poll services at predetermined intervals and graph the resulting data. It is generally used to graph time-series data of metrics such as CPU load and network bandwidth utilization. A common usage is to monitor network traffic by polling a network switch or router interface via Simple Network Management Protocol (SNMP). 
 
The front end can handle multiple users, each with their own graph sets, so it is sometimes used by web hosting providers (especially dedicated server,virtual private server, and collocation providers) to display bandwidth statistics for their customers. It can be used to configure the data collection itself, allowing certain setups to be monitored without any manual configuration of RRDtool. Cacti can be extended to monitor any source via shell scripts and executables. 
 
Cacti can use one of two back ends: "cmd.php", a PHP script suitable for smaller installations, or "Spine" (formerly Cactid), a C-based poller which can scale to thousands of hosts. 
Install Apache, MariaDb php SNMP and RRDtool 
 
Login in your Linux machine as root and run following command to install apache, php, MariaDB: 
<pre style="background: rgb(68, 67, 65); border-radius: 6px; border: 1px solid rgb(227, 227, 227); box-sizing: border-box; clear: none !important; color: white; font-family: monospace, serif; font-size: 14px; line-height: 19.2px; margin-bottom: 10px !important; margin-top: 10px !important; overflow: auto; padding: 10px !important; width: auto !important; word-break: break-all;"># yum install httpd httpd-devel mariadb-server php-mysql php-pear php-common php-gd php-devel php php-mbstring php-cli -y</pre>
Install php-snmp, net-snmp and rrdtool 
<pre style="background: rgb(68, 67, 65); border-radius: 6px; border: 1px solid rgb(227, 227, 227); box-sizing: border-box; clear: none !important; color: white; font-family: monospace, serif; font-size: 14px; line-height: 19.2px; margin-bottom: 10px !important; margin-top: 10px !important; overflow: auto; padding: 10px !important; width: auto !important; word-break: break-all;"># yum install php-snmp net-snmp-utils net-snmp-libs rrdtool -y</pre>
Start HTTPD, MySQL and SNMP service 
 
To start HTTPD, MySQL and SNMP service enter following command in your console 
<pre style="background: rgb(68, 67, 65); border-radius: 6px; border: 1px solid rgb(227, 227, 227); box-sizing: border-box; clear: none !important; color: white; font-family: monospace, serif; font-size: 14px; line-height: 19.2px; margin-bottom: 10px !important; margin-top: 10px !important; overflow: auto; padding: 10px !important; width: auto !important; word-break: break-all;"># systemctl start httpd.service
# systemctl start mariadb.service
# systemctl start snmpd.service</pre>
Add HTTPD, MySQL and SNMP service to start on boot time: 
<pre style="background: rgb(68, 67, 65); border-radius: 6px; border: 1px solid rgb(227, 227, 227); box-sizing: border-box; clear: none !important; color: white; font-family: monospace, serif; font-size: 14px; line-height: 19.2px; margin-bottom: 10px !important; margin-top: 10px !important; overflow: auto; padding: 10px !important; width: auto !important; word-break: break-all;"># systemctl enable httpd.service
# systemctl enable mariadb.service
# systemctl enable snmpd.service</pre>
Setup MySQL database and User Accounts 
 
First, set the MySQL root password: 
<pre style="background: rgb(68, 67, 65); border-radius: 6px; border: 1px solid rgb(227, 227, 227); box-sizing: border-box; clear: none !important; color: white; font-family: monospace, serif; font-size: 14px; line-height: 19.2px; margin-bottom: 10px !important; margin-top: 10px !important; overflow: auto; padding: 10px !important; width: auto !important; word-break: break-all;"># mysqladmin -u root password YOUR_PASSWORD</pre>
Now, create cacti database. Login into your MySQL server and create cacti database width user cacti and set the password for it: 
<pre style="background: rgb(68, 67, 65); border-radius: 6px; border: 1px solid rgb(227, 227, 227); box-sizing: border-box; clear: none !important; color: white; font-family: monospace, serif; font-size: 14px; line-height: 19.2px; margin-bottom: 10px !important; margin-top: 10px !important; overflow: auto; padding: 10px !important; width: auto !important; word-break: break-all;"># mysql -u root -p
MariaDB [(none)]> create database cacti;
MariaDB [(none)]> GRANT ALL ON cacti.* TO cacti@localhost IDENTIFIED BY 'cactipass';
MariaDB [(none)]> FLUSH privileges;
MariaDB [(none)]> quit;</pre>
Install Cacti on RHEL/CentOS 7.x 
 
For installing cacti trough YUM command you must enable EPEL repository: 
<pre style="background: rgb(68, 67, 65); border-radius: 6px; border: 1px solid rgb(227, 227, 227); box-sizing: border-box; clear: none !important; color: white; font-family: monospace, serif; font-size: 14px; line-height: 19.2px; margin-bottom: 10px !important; margin-top: 10px !important; overflow: auto; padding: 10px !important; width: auto !important; word-break: break-all;"># yum install epel-release -y</pre>
After enabling EPEL repository, type following command to install cacti: 
<pre style="background: rgb(68, 67, 65); border-radius: 6px; border: 1px solid rgb(227, 227, 227); box-sizing: border-box; clear: none !important; color: white; font-family: monospace, serif; font-size: 14px; line-height: 19.2px; margin-bottom: 10px !important; margin-top: 10px !important; overflow: auto; padding: 10px !important; width: auto !important; word-break: break-all;"># yum install cacti -y</pre>
Install cacti tables to MySQL and configure MySQL settings for cacti 
 
Now, import cacti database tables from the cacti.sql file. First locate cacti.sql file: 
<pre style="background: rgb(68, 67, 65); border-radius: 6px; border: 1px solid rgb(227, 227, 227); box-sizing: border-box; clear: none !important; color: white; font-family: monospace, serif; font-size: 14px; line-height: 19.2px; margin-bottom: 10px !important; margin-top: 10px !important; overflow: auto; padding: 10px !important; width: auto !important; word-break: break-all;"># rpm -ql cacti|grep cacti.sql
/usr/share/doc/cacti-0.8.8b/cacti.sql</pre>
Import tables to cacti database: 
<pre style="background: rgb(68, 67, 65); border-radius: 6px; border: 1px solid rgb(227, 227, 227); box-sizing: border-box; clear: none !important; color: white; font-family: monospace, serif; font-size: 14px; line-height: 19.2px; margin-bottom: 10px !important; margin-top: 10px !important; overflow: auto; padding: 10px !important; width: auto !important; word-break: break-all;"># mysql -u cacti -p cacti < /usr/share/doc/cacti-0.8.8b/cacti.sql
Enter password:</pre>
Open /etc/cacti/db.php file using nano of VI editor and edit the below lines: 
<pre style="background: rgb(68, 67, 65); border-radius: 6px; border: 1px solid rgb(227, 227, 227); box-sizing: border-box; clear: none !important; color: white; font-family: monospace, serif; font-size: 14px; line-height: 19.2px; margin-bottom: 10px !important; margin-top: 10px !important; overflow: auto; padding: 10px !important; width: auto !important; word-break: break-all;">$database_type = "mysql";
$database_default = "cacti";
$database_hostname = "localhost";
$database_username = "cacti";
$database_password = "cactipass";</pre>
Open http port in firewall 
 
Open an http port in firewall: 
<pre style="background: rgb(68, 67, 65); border-radius: 6px; border: 1px solid rgb(227, 227, 227); box-sizing: border-box; clear: none !important; color: white; font-family: monospace, serif; font-size: 14px; line-height: 19.2px; margin-bottom: 10px !important; margin-top: 10px !important; overflow: auto; padding: 10px !important; width: auto !important; word-break: break-all;"># firewall-cmd --permanent --zone=public --add-service=http
# firewall-cmd --reload</pre>
Configure apache to Network Accessible 
 
Open file called /etc/httpd/conf.d/cacti.conf 
<pre style="background: rgb(68, 67, 65); border-radius: 6px; border: 1px solid rgb(227, 227, 227); box-sizing: border-box; clear: none !important; color: white; font-family: monospace, serif; font-size: 14px; line-height: 19.2px; margin-bottom: 10px !important; margin-top: 10px !important; overflow: auto; padding: 10px !important; width: auto !important; word-break: break-all;"># etc/httpd/conf.d/cacti.conf</pre>
Now edit the "Allow From" line, Either set to ALL or enter your LAN subnet to allow access to cacti: 
<pre style="background: rgb(68, 67, 65); border-radius: 6px; border: 1px solid rgb(227, 227, 227); box-sizing: border-box; clear: none !important; color: white; font-family: monospace, serif; font-size: 14px; line-height: 19.2px; margin-bottom: 10px !important; margin-top: 10px !important; overflow: auto; padding: 10px !important; width: auto !important; word-break: break-all;">Alias /cacti /usr/share/cacti

<Directory /usr/share/cacti/>
 <IfModule mod_authz_core.c>
 # httpd 2.4
 Require host 192.168.0.0/24
 </IfModule>
 <IfModule !mod_authz_core.c>
 # httpd 2.2
 Order deny,allow
 Deny from all
 Allow from 192.168.0.0/24
 </IfModule>
</Directory></pre>
After editing cacti configuration file, restart the Apache service: 
<pre style="background: rgb(68, 67, 65); border-radius: 6px; border: 1px solid rgb(227, 227, 227); box-sizing: border-box; clear: none !important; color: white; font-family: monospace, serif; font-size: 14px; line-height: 19.2px; margin-bottom: 10px !important; margin-top: 10px !important; overflow: auto; padding: 10px !important; width: auto !important; word-break: break-all;"># systemctl restart httpd.service</pre>
Set cron for cacti 
 
Open /etc/cron.d/cacti file and uncomment the line: 
<pre style="background: rgb(68, 67, 65); border-radius: 6px; border: 1px solid rgb(227, 227, 227); box-sizing: border-box; clear: none !important; color: white; font-family: monospace, serif; font-size: 14px; line-height: 19.2px; margin-bottom: 10px !important; margin-top: 10px !important; overflow: auto; padding: 10px !important; width: auto !important; word-break: break-all;">*/5 * * * * cacti /usr/bin/php /usr/share/cacti/poller.php > /dev/null 2>&1</pre>
Run cacti installer 
 
Go to http://YOUR-IP-ADDRESS/cacti/ and just follow the instructions on screen. The default username and password for cacti is admin/admin. Upon first login you will be forced to change the default password. 
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh47I9Z2dnv9gQIE5n3sgj9Q9B5qcfSGmPvgh3J-TpJbLDJMHdjdkSVIOD5VdYLBGfG15H7X-pm8OVXXtgcekLNwaYjtSEHbbuN68LK5jhV541YkeFZrkp9QItWi93XSrplCuV0VqQu7O_3/s1600/Cacti-console-screen_hackthesec.co.in.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh47I9Z2dnv9gQIE5n3sgj9Q9B5qcfSGmPvgh3J-TpJbLDJMHdjdkSVIOD5VdYLBGfG15H7X-pm8OVXXtgcekLNwaYjtSEHbbuN68LK5jhV541YkeFZrkp9QItWi93XSrplCuV0VqQu7O_3/s1600/Cacti-console-screen_hackthesec.co.in.png" /></a></div>
 
More information about cacti, see <a href="http://www.cacti.net/">HERE</a>. 
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How to setup Cacti on RHEL/Centos 7.x

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How to install Kloxo-Mr on CentOS 6.x

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Install Kloxo-Mr on Linux 
Kloxo (formerly known as Lxadmin) is a free, opensource web hosting control panel for the <a href="http://www.hackthesec.co.in/search/label/RHEL">Red Hat</a> and <a href="http://www.hackthesec.co.in/search/label/Centos">CentOS </a>Linux distributions. 
 
Kloxo allows the host administrators to run a combination of <a href="http://www.hackthesec.co.in/search/label/lighttpd_web_server">lighttpd </a>or <a href="http://www.hackthesec.co.in/search/label/Apache">Apache</a> with djbdns or BIND, and provides a graphical interface to switch between these programs without losing data. Kloxo Enterprise can transparently move web/mail/dns from one server running Apache to another running lighttpd. It is also known as a good free alternative to cPanel hosting control panel. 
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Kloxo comes integrated with Install app, which is a bundle of approximately 130 web applications that can be installed to the hosted websites. It is supported by Installation - a third party application installer (similar to Fantastico) as a plugin. 
Features 
It comes with with lots of Server/web applications. 
 
<ul style="text-align: left;">
<li>MAIL SERVER: Qmail toaster.</li>
<li>Database: <a href="http://www.hackthesec.co.in/search/label/Mysql">Mysql</a>, <a href="http://www.hackthesec.co.in/search/label/MaraiDB">MariaDB</a>.</li>
<li>Database Manager: <a href="http://www.hackthesec.co.in/search/label/phpmyadmin">PHPMYAdmin</a>, Adminer, Mywebsql.</li>
<li>DNS: BIND, djbdns.</li>
<li>FTP: Pure-ftpd.</li>
<li>ADDON: Clamav, Spamassassin,<a href="http://www.hackthesec.co.in/search/label/RkHunter">RKhunter</a>.</li>
<li>WEBMAIL: Squirrelmail, Roundcube, horald.</li>
<li>BILLING: Host Bill, the hosting bill, Blesta, AccountLAB Plus.</li>
</ul>
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INSTALLATION</div>
 
 
First, let's update all your system software to the latest version available using the yum package manager. 
<pre style="background: rgb(68, 67, 65); border-radius: 6px; border: 1px solid rgb(227, 227, 227); box-sizing: border-box; clear: none !important; color: white; font-family: monospace, serif; font-size: 14px; line-height: 19.2px; margin-bottom: 10px !important; margin-top: 10px !important; overflow: auto; padding: 10px !important; width: auto !important; word-break: break-all;">yum update</pre>
Once the update of your system is completed, you can proceed with the installation of the required packages. The required packages can be installed with the command below: 
<pre style="background: rgb(68, 67, 65); border-radius: 6px; border: 1px solid rgb(227, 227, 227); box-sizing: border-box; clear: none !important; color: white; font-family: monospace, serif; font-size: 14px; line-height: 19.2px; margin-bottom: 10px !important; margin-top: 10px !important; overflow: auto; padding: 10px !important; width: auto !important; word-break: break-all;">yum install yum-utils yum-priorities vim-minimal subversion curl zip unzip yum install yum-utils yum-priorities vim-minimal subversion curl zip unzip -y</pre>
Now, lets install Kloxo-MR 
<pre style="background: rgb(68, 67, 65); border-radius: 6px; border: 1px solid rgb(227, 227, 227); box-sizing: border-box; clear: none !important; color: white; font-family: monospace, serif; font-size: 14px; line-height: 19.2px; margin-bottom: 10px !important; margin-top: 10px !important; overflow: auto; padding: 10px !important; width: auto !important; word-break: break-all;"># cd /tmp
# wget https://github.com/mustafaramadhan/kloxo/raw/rpms/release/neutral/noarch/mratwork-release-0.0.1-1.noarch.rpm --no-check-certificate
# yum install mratwork-release-0.0.1-1.noarch.rpm -y
# cd / 
# yum install mratwork-release-0.0.1-1.noarch.rpm -y</pre>
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Run following script after above step get complete 
<pre style="background: rgb(68, 67, 65); border-radius: 6px; border: 1px solid rgb(227, 227, 227); box-sizing: border-box; clear: none !important; color: white; font-family: monospace, serif; font-size: 14px; line-height: 19.2px; margin-bottom: 10px !important; margin-top: 10px !important; overflow: auto; padding: 10px !important; width: auto !important; word-break: break-all;"># sh /script/upcp</pre>
Once the installation is completed, you can open the web browser you prefer and enter one of the following web addresses: 
<pre style="background: rgb(68, 67, 65); border-radius: 6px; border: 1px solid rgb(227, 227, 227); box-sizing: border-box; clear: none !important; color: white; font-family: monospace, serif; font-size: 14px; line-height: 19.2px; margin-bottom: 10px !important; margin-top: 10px !important; overflow: auto; padding: 10px !important; width: auto !important; word-break: break-all;">https://IP-ADDRESS:7777
http://IP-ADDRESS:7778</pre>
Default username and password is: admin admin 
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After Login default panel will appear. 
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