Ruptime

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

centos7       up    7+03:34,     1 user,   load  0.13,  0.06,  0.01
debian        up    7+03:37,     9 users,  load  1.15,  0.80,  0.67
ftp           up    7+03:22,     0 users,  load 67.00, 47.05, 42.75
mint          up    7+03:38,     0 users,  load  0.28,  0.37,  0.39
mxlinux       up    7+03:34,     0 users,  load  0.17,  0.16,  0.10
scientific7   up    7+03:31,     0 users,  load  0.01,  0.03,  0.00
ubuntu        up    7+03:50,     7 users,  load  2.48,  2.98,  3.07
zorin         up    7+03:35,     0 users,  load  0.12,  0.14,  0.10