Ruptime
This gives you the uptime and system load of shell servers.
debian up 7+09:55, 5 users, load 0.17, 0.23, 0.25 fedora up 9+01:55, 0 users, load 0.16, 0.12, 0.09 ftp down 7+00:12 inuvik up 9+17:01, 0 users, load 12.65, 13.01, 13.17 mint up 9+16:51, 0 users, load 0.09, 0.10, 0.08 mxlinux up 9+15:55, 0 users, load 0.01, 0.03, 0.01 popos up 9+01:13, 6 users, load 0.21, 0.16, 0.17 radius up 9+15:50, 2 users, load 0.08, 0.08, 0.08 rocky8 up 9+16:53, 0 users, load 0.07, 0.02, 0.00 ubuntu up 8+22:04, 9 users, load 2.46, 2.38, 2.29 zorin up 9+16:51, 0 users, load 0.04, 0.07, 0.08