How to Install,Configure and Use SysStat System Monitoring Tool on Centos 7

<div dir="ltr" style="text-align: left;" trbidi="on"> <span style="color: red; font-size: large;"><u><i>Install SysStat to enable system monitoring.<br /></i></u></span><br /> <span style="font-family: Georgia, Times New Roman, serif;"><span style="background-color: white; border: 0px; color: #333333; font-size: 18px; font-stretch: inherit; line-height: 28.8px; margin: 0px; padding: 0px; vertical-align: baseline;">Sysstat</span><span style="background-color: white; color: #272727; font-size: 18px; line-height: 28.8px;"> is really a handy tool which comes with number of utilities to monitor system resources, their performance and usage activities. Number of utilities that we all use in our daily bases comes with sysstat package. It also provide the tool which can be scheduled using cron to collect all performance and activity data.</span></span><br /> <div class="separator" style="clear: both; text-align: center;"> <a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhrCaLGoHU94GI3friDWgg599gv8reftypJx3jzVoeEBJ2fVBTroU3bcx8ERvRIKdM436xbFhuONh65bX-OxuyrQOk7Q9erDp5FkFphdN-xUii530W6-nDCYMxH5A5388yhx8nj4qkcuSuK/s1600/sysstat-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/AVvXsEhrCaLGoHU94GI3friDWgg599gv8reftypJx3jzVoeEBJ2fVBTroU3bcx8ERvRIKdM436xbFhuONh65bX-OxuyrQOk7Q9erDp5FkFphdN-xUii530W6-nDCYMxH5A5388yhx8nj4qkcuSuK/s1600/sysstat-www.hackthesec.co.in.png" /></a></div> <span style="background-color: white; color: #272727; font-size: 18px; line-height: 28.8px;"><span style="font-family: Georgia, Times New Roman, serif;"><br /></span></span> <div style="background-color: white; border: 0px; color: #272727; font-size: 18px; font-stretch: inherit; line-height: 28.8px; margin-bottom: 1em; padding: 0px; vertical-align: baseline;"> <span style="font-family: Georgia, Times New Roman, serif;">Following are the list of tools included in sysstat packages.</span></div> <div style="background-color: white; border: 0px; font-stretch: inherit; margin-bottom: 1em; padding: 0px; vertical-align: baseline;"> <span style="color: orange; font-family: Roboto Condensed, Arial, sans-serif; font-size: x-large;"><span style="line-height: 28.8px;"><u>Sysstat Features</u></span></span></div> <ol style="background-color: white; border: 0px; font-size: 18px; font-stretch: inherit; line-height: 28.8px; list-style: none; margin: 0px 0px 15px 30px; padding: 0px; vertical-align: baseline;"> <li 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-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: inherit; line-height: inherit; list-style: square; margin: 0px; padding: 0px; vertical-align: baseline;"><span style="font-family: Georgia, Times New Roman, serif;">iostat: Reports all statistics about your CPU and I/O statistics for I/O devices.</span></li> <li style="border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border: 0px; color: #272727; font-size: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: inherit; line-height: inherit; list-style: square; margin: 0px; padding: 0px; vertical-align: baseline;"><span style="font-family: Georgia, Times New Roman, serif;"><span style="border: 0px; color: #333333; font-size: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; line-height: inherit; margin: 0px; padding: 0px; vertical-align: baseline;">mpstat</span>: Details about CPUs (individual or combined).</span></li> <li style="border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border: 0px; color: #272727; font-size: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: inherit; line-height: inherit; list-style: square; margin: 0px; padding: 0px; vertical-align: baseline;"><span style="font-family: Georgia, Times New Roman, serif;"><span style="border: 0px; color: #333333; font-size: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; line-height: inherit; margin: 0px; padding: 0px; vertical-align: baseline;">pidstat</span>: Statistics about running processes/task, CPU, memory etc.</span></li> <li style="border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border: 0px; color: #272727; font-size: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: inherit; line-height: inherit; list-style: square; margin: 0px; padding: 0px; vertical-align: baseline;"><span style="font-family: Georgia, Times New Roman, serif;"><span style="border: 0px; color: #333333; font-size: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; line-height: inherit; margin: 0px; padding: 0px; vertical-align: baseline;">sar</span>: Save and report details about different resources (CPU, Memory, IO, Network, kernel etc..).</span></li> <li style="border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border: 0px; color: #272727; font-size: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: inherit; line-height: inherit; list-style: square; margin: 0px; padding: 0px; vertical-align: baseline;"><span style="font-family: Georgia, Times New Roman, serif;"><span style="border: 0px; color: #333333; font-size: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; line-height: inherit; margin: 0px; padding: 0px; vertical-align: baseline;">sadc</span>: System activity data collector, used for collecting data in backend for sar.</span></li> <li style="border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border: 0px; color: #272727; font-size: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: inherit; line-height: inherit; list-style: square; margin: 0px; padding: 0px; vertical-align: baseline;"><span style="font-family: Georgia, Times New Roman, serif;"><span style="border: 0px; color: #333333; font-size: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; line-height: inherit; margin: 0px; padding: 0px; vertical-align: baseline;">sa1</span>: Fetch and store binary data in sadc data file. This is used with sadc.</span></li> <li style="border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border: 0px; color: #272727; font-size: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: inherit; line-height: inherit; list-style: square; margin: 0px; padding: 0px; vertical-align: baseline;"><span style="font-family: Georgia, Times New Roman, serif;"><span style="border: 0px; color: #333333; font-size: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; line-height: inherit; margin: 0px; padding: 0px; vertical-align: baseline;">sa2</span>: Summaries daily report to be used with sar.</span></li> <li style="border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border: 0px; color: #272727; font-size: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: inherit; line-height: inherit; list-style: square; margin: 0px; padding: 0px; vertical-align: baseline;"><span style="font-family: Georgia, Times New Roman, serif;"><span style="border: 0px; color: #333333; font-size: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; line-height: inherit; margin: 0px; padding: 0px; vertical-align: baseline;">Sadf</span>: Used for displaying data generated by sar in different formats (CSV or XML).</span></li> <li style="border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border: 0px; color: #272727; font-size: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: inherit; line-height: inherit; list-style: square; margin: 0px; padding: 0px; vertical-align: baseline;"><span style="font-family: Georgia, Times New Roman, serif;"><span style="border: 0px; color: #333333; font-size: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; line-height: inherit; margin: 0px; padding: 0px; vertical-align: baseline;">Sysstat</span>: Man page for sysstat utility.</span></li> <li style="border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border: 0px; color: #272727; font-size: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: inherit; line-height: inherit; list-style: square; margin: 0px; padding: 0px; vertical-align: baseline;"><span style="font-family: Georgia, Times New Roman, serif;"><span style="border: 0px; color: #333333; font-size: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; line-height: inherit; margin: 0px; padding: 0px; vertical-align: baseline;">nfsiostat-sysstat</span>: I/O statistics for NFS.</span></li> <li style="border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border: 0px; color: #272727; font-size: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: inherit; line-height: inherit; list-style: square; margin: 0px; padding: 0px; vertical-align: baseline;"><span style="font-family: Georgia, Times New Roman, serif;"><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: #333333; font-size: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; line-height: inherit; margin: 0px; padding: 0px; vertical-align: baseline;">cifsiostat</span>: Statistics for CIFS.</span></li> </ol> <pre style="background: none 0px 0px repeat scroll rgb(60, 60, 60); border-radius: 4px; border: 1px solid rgb(229, 229, 229); margin-bottom: 20px; outline: 0px; overflow: auto; padding: 20px; vertical-align: baseline;"><span style="color: white; font-size: medium;"><span style="line-height: 15.6px;">[root@hackthesec ~]# yum -y install sysstat [root@</span></span><span style="color: white; font-size: medium; line-height: 15.6px;">hackthesec</span><span style="color: white; font-size: medium; line-height: 15.6px;"> ~]# systemctl start sysstat </span> <span style="color: white; font-size: medium;"><span style="line-height: 15.6px;">[root@</span></span><span style="color: white; font-size: medium; line-height: 15.6px;">hackthesec</span><span style="color: white; font-size: medium; line-height: 15.6px;"> ~]# systemctl enable sysstat </span></pre> <div> <div> <span style="font-family: Georgia, Times New Roman, serif; font-size: medium;">[2]<span class="Apple-tab-span" style="white-space: pre;"> </span>Logging is executed by cron's setting like follows.</span></div> <div> <span style="font-family: Georgia, Times New Roman, serif; font-size: medium;">* Logs are stored in /var/log/sa/sa** per 10 minutes with /usr/lib64/sa/sa1 command.</span></div> <div> <span style="font-family: Georgia, Times New Roman, serif; font-size: medium;">* The Statics of a day is generated at 23:53 every day to /var/log/sa/sar** with /usr/lib64/sa/sa2 command.</span></div> </div> <pre style="background: none 0px 0px repeat scroll rgb(60, 60, 60); border-radius: 4px; border: 1px solid rgb(229, 229, 229); margin-bottom: 20px; outline: 0px; overflow: auto; padding: 20px; vertical-align: baseline;"><span style="font-size: medium;"><span style="line-height: 15.6px;"><span style="color: white;">[root@hackthesec ~]# cat /etc/cron.d/sysstat </span><span style="color: orange;"># Run system activity accounting tool every 10 minutes </span><span style="color: lime;">*/10 * * * * root /usr/lib64/sa/sa1 1 1 </span><span style="color: white;"># 0 * * * * root /usr/lib64/sa/sa1 600 6 & </span><span style="color: orange;"># Generate a daily summary of process accounting at 23:53 </span><span style="color: lime;">53 23 * * * root /usr/lib64/sa/sa2 -A </span></span></span></pre> <div> <span style="color: white; font-family: Georgia, Times New Roman, serif;"><span style="line-height: 15.6px;"><br /></span></span></div> <span style="font-family: Georgia, Times New Roman, serif; font-size: medium;">If you'd like to change some settings of SysStat, the configuration file is located like follows.</span><br /> <pre style="background: none 0px 0px repeat scroll rgb(60, 60, 60); border-radius: 4px; border: 1px solid rgb(229, 229, 229); margin-bottom: 20px; outline: 0px; overflow: auto; padding: 20px; vertical-align: baseline;"><span style="font-size: medium;"><span style="line-height: 15.6px;"><span style="color: white;">[root@hackthesec ~]# vi </span><span style="color: lime;">/etc/sysconfig/sysstat</span><span style="color: white;"> </span><span style="color: lime;"># sysstat-10.1.5 configuration file. </span><span style="color: white;"> # How long to keep log files (in days). # If value is greater than 28, then log files are kept in # multiple directories, one for each month. HISTORY=28 # Compress (using gzip or bzip2) sa and sar files older than (in days): COMPRESSAFTER=31 # Parameters for the system activity data collector (see sadc manual page) # which are used for the generation of log files. # *note SADC_OPTIONS="-S DISK" </span><span style="color: orange;"># *note : valid options INT ⇒ System Interrupts DISK ⇒ Block Devices SNMP ⇒ SNMP statistics IPV6 ⇒ IPv6 statistics POWER ⇒ Power Management statistics ALL ⇒ All of the above XDISK ⇒ DISK + Partition statistics XALL ⇒ All of the above (ALL + XDISK)</span><span style="color: white;"> </span></span></span></pre> <div> <span style="color: white; font-size: medium;"><span style="line-height: 15.6px;"><br /></span></span></div> <span style="color: #0b5394; font-size: large;"><u>SysStat : How to use</u></span><br /> <span style="font-family: Georgia, Times New Roman, serif; font-size: medium;">To input sar command with specifying options like follows, it's possible to display logs. (refer to "man sar" for more details)</span><span style="font-family: Georgia, 'Times New Roman', serif; font-size: medium;">.</span><br /> <table class="base" style="background-attachment: initial; background-clip: initial; background-image: url("../img/bgcom.gif"); background-origin: initial; background-position: initial; background-repeat: initial; background-size: initial; border-spacing: 0px; color: black; font-family: Tahoma, Arial, sans-serif; font-size: 14px; letter-spacing: 1px; line-height: 1.5; margin: 5px auto 10px; padding: 0px; width: 1212px;" summary="1"><tbody style="margin: 0px; padding: 0px;"> <tr style="margin: 0px; padding: 0px;"><td class="num" style="margin: 0px; padding: 0px 10px 0px 0px; text-align: right; vertical-align: top; width: 30px;"><br /></td><td style="margin: 0px; padding: 0px;"><div class="block" style="margin: 0px 0px 21px; padding: 0px;"> <table style="background: rgb(255, 255, 255); border-spacing: 0px; border: 1px solid rgb(204, 204, 204); font-size: 12px; margin: 5px 0px 0px; padding: 0px;" summary="Options"><tbody style="margin: 0px; padding: 0px;"> <tr style="margin: 0px; padding: 0px;"><td style="background: rgb(240, 248, 255); border: 1px solid rgb(204, 204, 204); margin: 0px; padding: 5px; vertical-align: top; width: 100px;">Option</td><td style="background: rgb(240, 248, 255); border: 1px solid rgb(204, 204, 204); margin: 0px; padding: 5px; width: 230px;">Description</td></tr> <tr style="margin: 0px; padding: 0px;"><td style="border: 1px solid rgb(204, 204, 204); margin: 0px; padding: 5px; vertical-align: top;">-u</td><td style="border: 1px solid rgb(204, 204, 204); margin: 0px; padding: 5px;">CPU utilization statistics</td></tr> <tr style="margin: 0px; padding: 0px;"><td style="border: 1px solid rgb(204, 204, 204); margin: 0px; padding: 5px; vertical-align: top;">-r</td><td style="border: 1px solid rgb(204, 204, 204); margin: 0px; padding: 5px;">Memory utilization statistics</td></tr> <tr style="margin: 0px; padding: 0px;"><td style="border: 1px solid rgb(204, 204, 204); margin: 0px; padding: 5px; vertical-align: top;">-b</td><td style="border: 1px solid rgb(204, 204, 204); margin: 0px; padding: 5px;">I/O and transfer rate statistics</td></tr> <tr style="margin: 0px; padding: 0px;"><td style="border: 1px solid rgb(204, 204, 204); margin: 0px; padding: 5px; vertical-align: top;">-B</td><td style="border: 1px solid rgb(204, 204, 204); margin: 0px; padding: 5px;">Paging statistics</td></tr> <tr style="margin: 0px; padding: 0px;"><td style="border: 1px solid rgb(204, 204, 204); margin: 0px; padding: 5px; vertical-align: top;">-d</td><td style="border: 1px solid rgb(204, 204, 204); margin: 0px; padding: 5px;">Activity for each block device</td></tr> <tr style="margin: 0px; padding: 0px;"><td style="border: 1px solid rgb(204, 204, 204); margin: 0px; padding: 5px; vertical-align: top;">-n [keyword]</td><td style="border: 1px solid rgb(204, 204, 204); margin: 0px; padding: 5px;">Network statistics</td></tr> <tr style="margin: 0px; padding: 0px;"><td style="border: 1px solid rgb(204, 204, 204); margin: 0px; padding: 5px; vertical-align: top;">-q</td><td style="border: 1px solid rgb(204, 204, 204); margin: 0px; padding: 5px;">Queue length and load averages</td></tr> <tr style="margin: 0px; padding: 0px;"><td style="border: 1px solid rgb(204, 204, 204); margin: 0px; padding: 5px; vertical-align: top;">-A</td><td style="border: 1px solid rgb(204, 204, 204); margin: 0px; padding: 5px;">Display All<br /></td></tr> </tbody></table> </div> </td></tr> </tbody></table> <span style="color: #0b5394; font-size: large;"><u>Display today's statics reports.</u></span><br /> <pre style="background: none 0px 0px repeat scroll rgb(60, 60, 60); border-radius: 4px; border: 1px solid rgb(229, 229, 229); margin-bottom: 20px; outline: 0px; overflow: auto; padding: 20px; vertical-align: baseline;"><span style="font-size: medium;"><span style="line-height: 15.6px;"><span style="color: orange;"># CPU </span><span style="color: white;"> [root@hackthesec ~]# sar -u 01:10:01 AM CPU %user %nice %system %iowait %steal %idle 10:20:01 AM all 0.90 0.00 0.23 1.19 0.03 97.65 ... ... 01:30:01 PM all 0.04 0.00 0.06 0.14 0.04 99.72 Average: all 3.60 0.00 0.05 0.21 0.01 96.13 </span><span style="color: orange;"># memory </span><span style="color: white;"> [root@</span></span></span><span style="color: white; font-size: medium; line-height: 15.6px;">hackthesec</span><span style="color: white; font-size: medium; line-height: 15.6px;"> ~]# sar -r </span> <span style="font-size: medium;"><span style="line-height: 15.6px;"><span style="color: white;">01:10:01 AM kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit 10:20:01 AM 3681144 241544 6.16 10744 138392 83984 1.04 ... ... 01:40:01 PM 3663328 259360 6.61 14752 145988 87996 1.09 Average: 3666930 255758 6.52 13204 144710 88273 1.10 </span><span style="color: orange;"># I/O </span><span style="color: white;"> [root@</span></span></span><span style="color: white; font-size: medium; line-height: 15.6px;">hackthesec</span><span style="color: white; font-size: medium; line-height: 15.6px;"> ~]# sar -b </span> <span style="font-size: medium;"><span style="line-height: 15.6px;"><span style="color: white;">01:10:01 AM tps rtps wtps bread/s bwrtn/s 10:20:01 AM 45.21 9.35 35.87 257.22 409.24 ... ... 01:40:01 PM 0.52 0.00 0.52 0.00 5.43 Average: 3.11 0.49 2.62 14.55 29.32 </span><span style="color: orange;"># network </span><span style="color: white;"> [root@</span></span></span><span style="color: white; font-size: medium; line-height: 15.6px;">hackthesec</span><span style="color: white; font-size: medium; line-height: 15.6px;"> ~]# sar -n DEV </span> <span style="font-size: medium;"><span style="line-height: 15.6px;"><span style="color: white;">01:10:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 10:20:01 AM lo 1.04 1.04 0.09 0.09 0.00 0.00 0.00 10:20:01 AM eth0 7.48 4.48 10.06 0.30 0.00 0.00 0.00 ... ... 01:40:01 PM lo 0.01 0.01 0.00 0.00 0.00 0.00 0.00 01:40:01 PM eth0 0.05 0.04 0.00 0.00 0.00 0.00 0.00 Average: lo 0.08 0.08 0.01 0.01 0.00 0.00 0.00 Average: eth0 0.54 0.38 0.51 0.03 0.00 0.00 0.00 </span><span style="color: orange;"># load avarage </span><span style="color: white;"> [root@</span></span></span><span style="color: white; font-size: medium; line-height: 15.6px;">hackthesec</span><span style="color: white; font-size: medium; line-height: 15.6px;"> ~]# sar -q </span> <span style="font-size: medium;"><span style="line-height: 15.6px;"><span style="color: white;">01:10:01 AM runq-sz plist-sz ldavg-1 ldavg-5 ldavg-15 10:20:01 AM 1 99 0.04 0.07 0.04 ... ... 01:30:01 PM 1 104 0.00 0.00 0.00 01:40:01 PM 1 101 0.00 0.00 0.00 Average: 1 102 0.11 0.08 0.06 </span></span></span></pre> <div> <span style="color: white; font-size: medium;"><span style="line-height: 15.6px;"><br /></span></span></div> <span style="color: #0b5394; font-size: large;"><u>Display past statics with specifying a log file.</u></span><br /> <span style="color: #0b5394; font-size: large;"><u></u></span><br /> <span style="color: #0b5394; font-size: large;"><u>Log files are stored under the /var/log/sa directory.</u></span><br /> <pre style="background: none 0px 0px repeat scroll rgb(60, 60, 60); border-radius: 4px; border: 1px solid rgb(229, 229, 229); margin-bottom: 20px; outline: 0px; overflow: auto; padding: 20px; vertical-align: baseline;"><span style="font-size: medium;"><span style="line-height: 15.6px;"><span style="color: orange;"># display all statisc by a log file </span><span style="color: white;">[root@</span></span></span><span style="color: white; font-size: medium; line-height: 15.6px;">hackthesec</span><span style="color: white; font-size: medium; line-height: 15.6px;"> ~]# sar -A -f /var/log/sa/sa05 </span> <span style="font-size: medium;"><span style="line-height: 15.6px;"><span style="color: white;">01:10:01 AM CPU %usr %nice %sys %iowait %steal %irq %soft %guest %idle 10:20:01 AM all 0.90 0.00 0.19 1.19 0.03 0.04 0.00 0.00 97.65 10:20:01 AM 0 0.96 0.00 0.19 1.27 0.03 0.04 0.00 0.00 97.51 ... ... 01:50:01 PM 125 3 4 0 0 0 02:00:01 PM 125 3 4 0 0 0 Average: 122 3 4 0 0 0 </span><span style="color: orange;"># display the load average with specifying times by a log file </span><span style="color: white;">[root@</span></span></span><span style="color: white; font-size: medium; line-height: 15.6px;">hackthesec</span><span style="color: white; font-size: medium; line-height: 15.6px;"> ~]# sar -q -s 11:00:00 -e 12:00:00 -f /var/log/sa/sa05 </span> <span style="font-size: medium;"><span style="line-height: 15.6px;"><span style="color: white;">11:00:01 AM runq-sz plist-sz ldavg-1 ldavg-5 ldavg-15 11:10:01 AM 1 103 0.01 0.03 0.14 11:20:01 AM 1 102 0.01 0.01 0.06 11:30:01 AM 1 102 0.00 0.00 0.01 11:40:01 AM 1 101 0.00 0.00 0.00 11:50:01 AM 1 101 0.01 0.01 0.00 Average: 1 102 0.01 0.01 0.04</span></span></span> </pre> <div> <br /></div> <span style="color: #0b5394; font-size: large;"><u>Display current statics.</u></span><br /> <pre style="background: none 0px 0px repeat scroll rgb(60, 60, 60); border-radius: 4px; border: 1px solid rgb(229, 229, 229); margin-bottom: 20px; outline: 0px; overflow: auto; padding: 20px; vertical-align: baseline;"><span style="font-size: medium;"><span style="line-height: 15.6px;"><span style="color: lime;"># display CPU utilization per a second 3 times </span><span style="color: orange;">[root@</span></span></span><span style="color: white; font-size: medium; line-height: 15.6px;">hackthesec</span><span style="color: orange; font-size: medium; line-height: 15.6px;"> ~]# sar -u 1 3 </span> <span style="font-size: medium;"><span style="line-height: 15.6px;"><span style="color: orange;">01:51:34 AM CPU %user %nice %system %iowait %steal %idle 01:51:35 AM all 0.00 0.00 0.50 0.00 0.00 99.50 01:51:36 AM all 0.00 0.00 0.00 0.00 0.50 99.50 01:51:37 AM all 0.00 0.00 0.00 0.00 0.00 100.00 Average: all 0.00 0.00 0.17 0.00 0.17 99.67 </span><span style="color: lime;"># display I/O and network per 2 seconds 5 times </span><span style="color: orange;">[root@</span></span></span><span style="color: white; font-size: medium; line-height: 15.6px;">hackthesec</span><span style="color: orange; font-size: medium; line-height: 15.6px;"> ~]# sar -b -n DEV 2 5 </span> <span style="font-size: medium;"><span style="line-height: 15.6px;"><span style="color: orange;">01:54:11 AM tps rtps wtps bread/s bwrtn/s 01:54:13 AM 0.00 0.00 0.00 0.00 0.00 01:54:11 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:54:13 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:54:13 AM eth0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ... ... 01:54:19 AM tps rtps wtps bread/s bwrtn/s 01:54:21 AM 0.00 0.00 0.00 0.00 0.00 01:54:19 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:54:21 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:54:21 AM eth0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: tps rtps wtps bread/s bwrtn/s Average: 0.70 0.00 0.70 0.00 4.80 Average: IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 0.20 0.00 0.01 0.00 0.00 0.00 0.00 </span></span></span></pre> <div> <span style="font-size: medium;"><span style="line-height: 15.6px;"><span style="color: orange;"><br /></span></span></span></div> <div> <span style="font-size: medium;"><span style="line-height: 15.6px;">SysStat packages includes other commands not only Sar command, so it's possible to display current statics with them like follows.</span></span></div> <div> <span style="font-size: medium;"><span style="line-height: 15.6px;"><span style="color: orange;"><br /></span></span></span></div> <div> <pre style="background: none 0px 0px repeat scroll rgb(60, 60, 60); border-radius: 4px; border: 1px solid rgb(229, 229, 229); margin-bottom: 20px; outline: 0px; overflow: auto; padding: 20px; vertical-align: baseline;"><span style="font-size: medium;"><span style="line-height: 15.6px;"><span style="color: orange;"># display I/O with Mega bytes per 2 seconds </span><span style="color: white;">[root@hackthesec ~]# iostat -mx -d 2 Device: rrqm/s wrqm/s r/s w/s rMB/s wMB/s avgrq-sz avgqu-sz await svctm %util vda 0.11 1.05 0.43 0.63 0.01 0.01 28.44 0.05 51.01 9.29 0.99 dm-0 0.00 0.00 0.48 1.65 0.01 0.01 14.05 0.20 95.25 4.64 0.99 dm-1 0.00 0.00 0.02 0.00 0.00 0.00 8.00 0.00 1.14 0.52 0.00 ... ... </span><span style="color: orange;"># display all CPU utilization per 2 seconds 3 times </span><span style="color: white;">[root@</span></span></span><span style="color: white; font-size: medium; line-height: 15.6px;">hackthesec</span><span style="color: white; font-size: medium; line-height: 15.6px;"> ~]# mpstat -P ALL 2 3 </span> <span style="font-size: medium;"><span style="line-height: 15.6px;"><span style="color: white;">02:28:57 PM CPU %usr %nice %sys %iowait %irq %soft %steal %guest %idle 02:28:59 PM all 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 100.00 02:28:59 PM 0 0.00 0.00 0.00 0.00 0.50 0.00 0.00 0.00 99.50 02:28:59 PM 1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 100.00 ... ... </span><span style="color: orange;"># display memory utilization of a process per a second 3 times </span><span style="color: white;">[root@</span></span></span><span style="color: white; font-size: medium; line-height: 15.6px;">hackthesec</span><span style="color: white; font-size: medium; line-height: 15.6px;"> ~]# pidstat -r -p 1202 1 3 </span> <span style="font-size: medium;"><span style="line-height: 15.6px;"><span style="color: white;">02:34:07 PM PID minflt/s majflt/s VSZ RSS %MEM Command 02:34:08 PM 1202 0.00 0.00 175360 2456 0.06 httpd 02:34:09 PM 1202 0.00 0.00 175360 2456 0.06 httpd 02:34:10 PM 1202 0.00 0.00 175360 2456 0.06 httpd Average: 1202 0.00 0.00 175360 2456 0.06 httpd ... ... </span><span style="color: orange;"># display CIFS statics with Mega bytes per a 1 second 3 times </span><span style="color: white;">[root@</span></span></span><span style="color: white; font-size: medium; line-height: 15.6px;">hackthesec</span><span style="color: white; font-size: medium; line-height: 15.6px;"> ~]# cifsiostat -m 1 3 </span> <span style="font-size: medium;"><span style="line-height: 15.6px;"><span style="color: white;">Filesystem: rB/s wB/s rops/s wops/s fo/s fc/s fd/s \\10.0.0.100\tmp 0.00 20.93 0.00 0.00 0.00 0.00 0.00 ... ... </span></span></span></pre> </div> <div> <a href="http://www.hackthesec.co.in/" target="_blank">www.hackthesec.co.in</a></div> </div>

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