An easy way to view who’s accessing a linux machine is using command named who.
$ who
dani pts/0 May 16 08:16 (10.1.12.12)
akachan pts/1 May 16 08:20 (10.1.12.51)
dewi pts/2 May 16 08:39 (10.1.12.94)
easy isn’t it?


