How do I Find Out Linux CPU Utilization?

in Categories Linux, Sys admin, Tips, Troubleshooting, Tuning last updated April 6, 2006

Whenever a Linux system CPU is occupied by a process, it is unavailable for processing other requests. Rest of pending requests must wait till CPU is free. This becomes a bottleneck in the system. Following command will help you to identify CPU utilization, so that you can troubleshoot CPU related performance problems.

How To Monitor Linux / BSD System Over Time Without Scrolling Output Using watch Command

in Categories Linux, UNIX last updated June 25, 2017

YYou can use the watch command to execute a program or shell script periodically, display its output on screen repeatedly. That allows you to look at the program output change over time. By default, the program runs every 2 seconds. Aforementioned is useful to monitor memory utilization, RAID rebuilds progress or disk space usage over time without having to look at scrolling output.