Ruptime
This gives you the uptime and system load of shell servers.
debian up 4+16:36, 10 users, load 0.30, 0.31, 0.33 fedora up 4+17:53, 0 users, load 0.16, 0.17, 0.11 ftp down 16+11:59 inuvik up 4+14:39, 0 users, load 13.02, 14.35, 14.35 mint up 4+17:53, 0 users, load 0.21, 0.10, 0.09 mxlinux up 4+17:41, 6 users, load 0.06, 0.06, 0.07 popos up 4+17:53, 0 users, load 0.24, 0.32, 0.34 radius up 4+16:35, 2 users, load 0.21, 0.11, 0.09 rocky8 up 4+17:52, 1 user, load 0.17, 0.09, 0.02 ubuntu up 4+14:33, 8 users, load 2.08, 2.01, 1.99 zorin up 4+17:52, 0 users, load 0.21, 0.15, 0.10