Here is a List of my top monitoring commands:
w Show who is logged on and what they are doing.
w pstree Display a tree of processes. -a show command line arguments. -h highlight current process and its ancestors.
pstree -a -h lastb show listing of last logged in users failed attempt.
sudo lastblast show listing of last logged in users
lastnetstat Print live network connections, routing tables, interface, etc...
netstat -tcpor
netstat -tcp --numerichtop is a interactive process monitor
htopor
topIf you know any other lightweight and productive good ones, please let us know.
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