sysstat
Table of Contents
1. Description
Performance monitoring tools for Linux.
2. The sar command
The output of commands with a keyword (DEV, CPU etc) is explained
in the sar(1) manpage, search for “With the KEYWORD keyword,”.
Report statistics about network (-n) devices (keyword DEV) every 1 second, 5 times.
sar -n DEV 1 5
Report memory pressure statistics every 1 second.
sar -q MEM 1
3. References
- https://sysstat.github.io/
- https://manpages.debian.org/trixie/sysstat/ <– manpages of sysstat in Debian trixie
- https://manpages.debian.org/stable/sysstat/sar.1