@
sNullp #1
```
╭─
[email protected] ~
╰─# history | grep -i fail2ban
1439 apt install -y fail2ban
1440 cd /etc/fail2ban
1443 cp fail2ban.conf fail2ban.local
1445 vim fail2ban.local
1646 fail2ban fail2ban-client status
1647 which fail2ban
1648 fail2ban fail2ban-client status
1649 fail2ban
1652 apt install fail2ban
1653 systemctl status fail2ban
1655 sudo cp /etc/fail2ban/jail.{conf,local}\n
1656 nano /etc/fail2ban/jail.local
1657 vim /etc/fail2ban/jail.local
1658 systemctl status fail2ban
1659 systemctl stop fail2ban
1660 systemctl status fail2ban
1661 systemctl start fail2ban
1662 systemctl status fail2ban
1663 systemctl restart fail2ban
1664 fail2ban-client status sshd\n
1667 fail2ban-client status sshd\n
1670 vim /etc/fail2ban/jail.local
1671 systemctl enable fail2ban
1672 vim /etc/fail2ban/jail.local
```
学了没学懂