Ruptime

This gives you the uptime and system load of shell servers.

centos6 up 1+19:51, 4 users, load 0.01, 0.05, 0.01
centos7 up 1+19:50, 0 users, load 0.12, 0.08, 0.08
debian up 1+18:52, 0 users, load 0.04, 0.06, 0.01
eskimo up 5+16:27, 0 users, load 0.00, 0.00, 0.00
fedora up 1+19:52, 0 users, load 0.05, 0.03, 0.00
ftp up 1+19:50, 0 users, load 1.35, 2.02, 1.89
mint up 1+19:50, 0 users, load 0.06, 0.05, 0.00
mxlinux up 1+19:37, 0 users, load 0.36, 0.41, 0.38
scientific up 1+18:37, 0 users, load 0.06, 0.06, 0.01
scientific7 up 1+18:37, 0 users, load 0.23, 0.13, 0.10
ubuntu up 1+07:16, 0 users, load 0.06, 0.06, 0.01
zorin up 1+18:31, 0 users, load 0.06, 0.19, 0.18