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SysStat : Install
2015/02/18 |
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Install SysStat to enable system monitoring.
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| [1] | Install SysStat. |
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[root@dlp ~]#
[root@dlp ~]# yum -y install sysstat systemctl start sysstat [root@dlp ~]# systemctl enable sysstat |
| [2] |
Logging is executed by cron's setting like follows. * Logs are stored in /var/log/sa/sa** per 10 minutes with /usr/lib64/sa/sa1 command. * The Statics of a day is generated at 23:53 every day to /var/log/sa/sar** with /usr/lib64/sa/sa2 command. |
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[root@dlp ~]# cat /etc/cron.d/sysstat # Run system activity accounting tool every 10 minutes */10 * * * * root /usr/lib64/sa/sa1 1 1 # 0 * * * * root /usr/lib64/sa/sa1 600 6 & # Generate a daily summary of process accounting at 23:53 53 23 * * * root /usr/lib64/sa/sa2 -A |
| [3] | If you'd like to change some settings of SysStat, the configuration file is located like follows. |
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[root@dlp ~]#
vi /etc/sysconfig/sysstat # sysstat-10.1.5 configuration file. # 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"
# *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) |