Ruptime
This gives you the uptime and system load of shell servers.
anduinos up 7+00:35, 0 users, load 0.03, 0.13, 0.10 debian up 7+00:43, 5 users, load 0.08, 0.06, 0.00 fedora up 7+00:36, 0 users, load 0.08, 0.05, 0.06 kali up 7+00:39, 0 users, load 0.00, 0.00, 0.00 mint up 7+00:41, 0 users, load 0.04, 0.05, 0.00 mxlinux up 7+00:42, 0 users, load 0.09, 0.06, 0.00 rocky8 up 7+00:37, 0 users, load 0.03, 0.04, 0.01 ubuntu up 7+00:42, 10 users, load 3.00, 2.84, 2.50 zorin up 7+00:41, 6 users, load 0.04, 0.05, 0.00