Дополнительные команды
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@@ -212,6 +212,23 @@ sudo fail2ban-client reload
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sudo tail -f -n 100 /var/log/fail2ban.log
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```
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## Дополнительно
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```sh
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# Вывести записи о неудачных попытках входа в систему
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sudo lastb | head -n 20
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# Очистить записи о неудачных попытках входа в систему
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sudo truncate -s 0 /var/log/btmp
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# Показывает, кто в системе прямо сейчас
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sudo w
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# Логи попыток входа
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sudo grep "Accepted password" /var/log/auth.log | tail -n 20
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sudo grep "Failed password" /var/log/auth.log | tail -n 20
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sudo grep "Invalid user" /var/log/auth.log | tail -n 20
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```
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## Полезные ссылки
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- [Initial Server Setup with Ubuntu 20.04](https://www.digitalocean.com/community/tutorials/initial-server-setup-with-ubuntu-20-04)
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