Last

last list logins on the system

File: /var/log/wtmp

Related command: netstat -nt | grep 22

See also

• /var/log/auth.log
• uptime, last, who, pts, tty, journalctl --list-boots, systeminfo , tuptime
• who
• acct: lastcomm
• lsof

http://man7.org/linux/man-pages/man1/last.1.html