SysStat : Install2021/09/16 |
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Install SysStat to enable system monitoring like CPU usage or Network statics.
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| [1] | Install SysStat. |
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root@dlp:~#
root@dlp:~# apt -y install sysstat systemctl enable --now sysstat Synchronizing state of sysstat.service with SysV service script with /lib/systemd/systemd-sysv-install. Executing: /lib/systemd/systemd-sysv-install enable sysstat Created symlink /etc/systemd/system/multi-user.target.wants/sysstat.service → /lib/systemd/system/sysstat.service. Created symlink /etc/systemd/system/sysstat.service.wants/sysstat-collect.timer → /lib/systemd/system/sysstat-collect.timer. Created symlink /etc/systemd/system/sysstat.service.wants/sysstat-summary.timer → /lib/systemd/system/sysstat-summary.timer. |
| [2] | System resource data are recorded every 10 minutes by default. If you'd like to change the interval, it's possible to edit like follows. |
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# default setting is like follows root@dlp:~# grep -A 1 'Timer' /usr/lib/systemd/system/sysstat-collect.timer [Timer] OnCalendar=*:00/10
root@dlp:~#
vi /usr/lib/systemd/system/sysstat-collect.timer # for example, change to every 5 minutes [Timer] OnCalendar=*:00/ 5
systemctl daemon-reload |
| [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/sysstat/sysstat
# sysstat configuration file. See sysstat(5) manual page.
# How long to keep log files (in days).
# Used by sa2(8) script
# If value is greater than 28, then log files are kept in
# multiple directories, one for each month.
HISTORY=7
# Compress (using gzip or bzip2) sa and sar files older than (in days):
COMPRESSAFTER=10
# Parameters for the system activity data collector (see sadc(8) manual page)
# which are used for the generation of log files.
# By default contains the `-S DISK' option responsible for generating disk
# statisitcs. Use `-S XALL' to collect all available statistics.
# *1 note
SADC_OPTIONS="-S DISK"
# *1 note [available option] 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) |
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