lastb

List last logged in users. More information: https://manned.org/lastb.

• List last logged in users:

sudo lastb

• List all last logged in users since a given time:

sudo lastb --since YYYY-MM-DD

• List all last logged in users until a given time:

sudo lastb --until YYYY-MM-DD

• List all logged in users at a specific time:

sudo lastb --present hh:mm

• List all last logged in users and translate the IP into a hostname:

sudo lastb --dns