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Linux login history ssh...
How to Check Linux Login History
If you have a Linux server, there is a possibility that you have several users accessing the system.
How to check commands executed by user in linuxYou may want to know who is logged on your system, when a particular user logged to the Linux system. You may also want to know from which IP address your system was accessed.
Even if you don’t have multiple users, someone probably have tried to access your Linux server.
Trust me, this may sound weird but it’s a common thing these days for bots to try and access your Linux servers. Don’t believe me?
How to check user login history in ubuntu
Just check the bad login attempts on your server to see if someone tried to login to your system.
Let me show you how to view the Linux login history so that you are aware of who is accessing your system and from where.
Viewing Linux login history
Linux is very good at keeping logs of everything that goes on your system.
Quite naturally, it also stores logs about login and login attempts. The login information is stored in three files, wtmp, utmp and btmp:
- /var/log/wtmp – Logs of last login sessions
- /var/run/utmp – Logs of the current log
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