edlin@Devil:~$ less /var/log/README
# journalctl _SYSTEMD_UNIT=ssh.service# journalctl _SYSTEMD_UNIT=ssh.service | egrep "Failed|Failure"
You can find the answer in Code: [Select]edlin@Devil:~$ less /var/log/READMEIn the future, just use commands likeCode: [Select]# journalctl _SYSTEMD_UNIT=ssh.service# journalctl _SYSTEMD_UNIT=ssh.service | egrep "Failed|Failure"edlin