Ruptime
This gives you the uptime and system load of shell servers.
anduinos up 2+14:34, 0 users, load 0.17, 0.16, 0.12 debian up 10+18:55, 8 users, load 0.35, 0.35, 0.36 fedora up 10+19:10, 0 users, load 0.01, 0.09, 0.08 ftp down 36+15:46 inuvik up 4+16:15, 0 users, load 4.39, 3.66, 3.91 kali up 6+18:55, 0 users, load 0.00, 0.00, 0.00 mint up 10+19:09, 1 user, load 0.05, 0.03, 0.03 mxlinux up 1+02:43, 6 users, load 0.05, 0.02, 0.00 popos up 10+19:09, 0 users, load 0.02, 0.05, 0.07 radius up 3+17:31, 2 users, load 0.02, 0.06, 0.03 rocky8 up 10+19:10, 0 users, load 0.08, 0.09, 0.03 ubuntu up 6+18:37, 7 users, load 2.06, 2.16, 2.17 zorin up 10+19:09, 0 users, load 0.18, 0.15, 0.10