Uptime and Load
Check how long the system has been running and review CPU load averages to identify saturation.
Input:
uptime
Output:
13:50:21 up 12 days, 4:11, 2 users, load average: 0.42, 0.36, 0.31
This shows system uptime, logged-in users, and 1/5/15-minute load averages.
References:
Input:
top -b -n1 | head -5
Output:
top - 13:50:41 up 12 days, 4:11, 2 users, load average: 0.38, 0.35, 0.30
Tasks: 189 total, 1 running, 188 sleeping, 0 stopped, 0 zombie
%Cpu(s): 5.2 us, 1.3 sy, 0.0 ni, 92.9 id, 0.4 wa, 0.0 hi, 0.2 si, 0.0 st
MiB Mem : 7856.5 total, 1203.2 free, 2694.7 used, 3958.6 buff/cache
MiB Swap: 2047.0 total, 2047.0 free, 0.0 used. 4587.8 avail Mem
This summarizes CPU load, task counts, and memory state.
References: