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@manualdrivertakumi(はしくれ インフラ屋)

LinuxサーバOSインストール後初期設定

Last updated at Posted at 2023-05-30

はじめに

Linuxサーバ(RedHat系)をインストール直後にやっておくべき初期設定について覚書がてらまとめておきます

設定項目

ネットワーク設定

SELinux無効化

vi /etc/selinux/config

[変更前]
SELINUX=enable

[変更後] 
SELINUX=disabled

Firewalld無効化

ホスト名設定

設定ファイルを変更する方法

vi /etc/hostname

hostnamectlコマンドの使用

rootユーザSSH接続無効化

SSH鍵認証設定

SSHクライアント設定(LogMeTT)

NTP設定

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