Ruptime
This gives you the uptime and system load of shell servers.
anduinos up 10+07:37, 0 users, load 0.07, 0.02, 0.00 debian up 4+05:07, 5 users, load 0.65, 0.59, 0.58 fedora up 10+07:59, 0 users, load 0.10, 0.12, 0.09 inuvik up 3+07:41, 0 users, load 5.80, 7.08, 7.98 kali up 5+00:32, 0 users, load 0.00, 0.00, 0.00 mint up 10+07:59, 1 user, load 0.15, 0.11, 0.20 mxlinux up 10+08:07, 0 users, load 0.05, 0.06, 0.02 popos up 10+07:59, 0 users, load 0.23, 0.15, 0.14 radius up 10+07:58, 2 users, load 0.06, 0.09, 0.07 rocky8 up 13:04, 1 user, load 0.00, 0.00, 0.00 ubuntu up 10+08:04, 8 users, load 2.28, 2.28, 2.25 zorin up 10+07:59, 0 users, load 0.02, 0.03, 0.06