Who is logged into your Linux

A database server has recently been restarted automatically.

Checked the relevant login information:

look at the user log log under Linux, including the IP of the host that the user is logged in with:

What did More/var/log/securewho/var/log/wtmp do? Root account input Su-username switch to username enter history to see this user historical command, the default most recent 1000

Cat/var/log/secure This log record is a record of all user login information

netstat-an|grep:22
View the established connection information for Port 22.

If you want to see the user, enter who.

View restart Record:

last  reboot

View timed script:

#crontab-L

Who is logged into your Linux