Memo/Linux/SELinux

SELinux
- setroubleshootdがCPU/メモリーを消費する
- SELinuxを無効にする

SELinux †

↑

setroubleshootdがCPU/メモリーを消費する †

setroubleshootd がCPU/メモリーを消費する事がある。CPU90%以上等。
- SELinuxのヘルパープロセスのようで、/var/log/messagesに大量のログを出力する。
```
sudo service setroubleshootd status

sudo tail -f /var/log/messages
```

SELinuxがEnforcing, Permissive状態だとsetroubleshootdが起動する。手動でプロセス停止(sudo service setroubleshootd stop)しても、勝手に起動する
```
getenforce
Permissive
```

SELinuxを無効化後、hostをrebootするとsetroubleshootd も止まる

↑

SELinuxを無効にする †

パーミッションを許可しているのにエラーとなる場合は、これを疑う。

SELinuxの状態確認。disableになっていれば良い

getenforce
Disabled

sestatus
SELinux status:                 disabled

無効化:
```
sudo setenforce 0
sudo perl -p -i -e 's#^SELINUX=.+#SELINUX=disabled#' /etc/selinux/config
```
- Enforcing状態から、Disabledには変わらない。Permissive(SELinuxは有効だが、ポリシーは無視)になる。ホスト再起動後にDisabledに変わる

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Memo/Linux/SELinux

SELinux †

setroubleshootdがCPU/メモリーを消費する †

SELinuxを無効にする †

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