There are a couple of ways to get this information, which may or may not be enabled on your system. It’s useful to know more than one way to get the uptime information in case the commands are disabled on your shared hosting server.
uptime
The uptime command gives information on system load averages for the past 1, 5, and 15 minutes:
Example:
w
The w command shows who is logged on and what they are doing, including system load averages for the past 1, 5, and 15 minutes.
/proc/loadavg
The /proc/loadavg file contains information on the system load. Most likely the uptime/w commands utilize this information. The first 3 values contain system load averages for the past 1, 5, and 15 minutes.
There are probably some more commands, but these are the ones off the top of my head that I know of.
