How to Spy on your users through SSH
You just connected through SSH and are wondering what your users are doing. Do a
and this will show you what happens on the first console. If someone is typing, youâ€™ll be able to get an output of his keystrokes. SubstituteÂ cat /dev/vcs1Â withcat /dev/vcs2Â orÂ cat /dev/vcs3Â and so on for other consoles.