{"author_name":"lmtak","image_url":null,"type":"rich","description":"$ sudo yum install fail2ban No match for argument: fail2ban Error: Unable to find a match: fail2ban $ sudo dnf -y install epel-release $ sudo yum install fail2ban # cd /etc/fail2ban # vi jail.local # systemctl enable fail2ban # systemctl start fail2ban # fail2ban-client status sshd","blog_url":"https://lmtak.hateblo.jp/","blog_title":"logging-digging","published":"2026-06-17 23:00:00","author_url":"https://blog.hatena.ne.jp/lmtak/","provider_name":"Hatena Blog","height":"190","title":"\u6012\u308a\u306efail2ban\u5c0e\u5165","width":"100%","version":"1.0","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Flmtak.hateblo.jp%2Fentry%2F2026%2F06%2F17%2F230000\" title=\"\u6012\u308a\u306efail2ban\u5c0e\u5165 - logging-digging\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","url":"https://lmtak.hateblo.jp/entry/2026/06/17/230000","categories":["DEV"],"provider_url":"https://hatena.blog"}