Linux.com: CLI Magic: Use top to Monitor PCs Across a Network

“Most Linux users are familiar with the top command, typically
used to examine the system load on a local PC and others on the
network. However, have you considered using top to monitor your
system automatically and to warn you when a server is being
overloaded?

“In order to identify an overloaded server you must first find
out what the system load is. Look at the right side of top’s
output, where it says something like this:

“top - 17:59:26 up 9:44, 2 users, load average:
1.05, 0.36, 0.02…”

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