System Performance Monitoring

centos
- install sysstat
- service sysstat start
- chkconfig sysstat on
- logs located in /var/log/sa/
debian:
1. should already be installed
2. nano /etc/default/sysstat
  - make sure it says ENABLED="true"
3. nano /etc/cron.d/sysstat
  - change 5-55/10 * * * * ... to
  - */2 * * * * ...
4. service sysstat restart
5. logs are located in /var/log/sysstat/
sar -r (ram)
sar -n ALL (network)

this document last modified: October 07 2017 02:42