There are commands to check load on the server, commands that are used regularly are:

root@server [/]# uptime
13:22:16 up 97 days, 14:02, 1 user, load average: 0.00, 0.01, 0.00

The uptime command displays current time, uptime from when it was last booted, number of user sessions and load averages. The load average is number of processes which were active from past one minute, five minutes and, fifteen minutes.

The information provided by “uptime” command is the same as that provided in the first line of output by the “w” command.

The widely used command to check load is the “top” command. The “top” command will display the load as well as CPU time with the memory usage. It will give you the list of processes, you can also check the memory usage by hitting the “m” in the middle. If you want to kill a particular PID you can hit “k” and type the PID and hit enter. This will kill that particular PID.

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