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CentOS7で/tmp に書き込めるようにする

CentOS

CentOS7では、アプリケーションから /tmp ディレクトリにファイルを書き込めないので、使えるように設定する方法。

設定

  • CentOS7では、PrivateTmpというオプションがあり、PrivateTmpがtrueの場合、/tmpではなく、/tmp/systemd-private-[UUID]/tmp/ に格納される
  • PrivateTmpはデフォルトでtrueになっているため、設定を変更しないと/tmpの直下には書き込めない
  • PrivateTmpオプションは、serivceごとに修正する必要がある
  • 以下、httpdのPrivateTmpをfalseにする場合の設定例
# cp /usr/lib/systemd/system/httpd.service /etc/systemd/system/
# chmod 777 /etc/systemd/system/httpd.service
# vi /etc/systemd/system/httpd.service
PrivateTmp=true　→　PrivateTmp=false
# systemctl daemon-reload
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