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docs(admin): Add tip about detecting silent denials in SELinux #12383

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docs(admin): Add tip about detecting silent denials in SELinux #12383

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7 changes: 6 additions & 1 deletion admin_manual/installation/selinux_configuration.rst
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Expand Up @@ -6,7 +6,12 @@ SELinux configuration

When you have SELinux enabled on your Linux distribution, you may run into
permissions problems after a new Nextcloud installation, and see ``permission
denied`` errors in your Nextcloud logs.
denied`` errors in your Nextcloud logs.


.. tip::
Permission problems may be caused by SELinux *even if the denial is not indicated in the audit logs.* This is
because SELinux does not log all system calls used for verifying access. See `Possible Causes of Silent Denials <https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/7/html/selinux_users_and_administrators_guide/sect-security-enhanced_linux-troubleshooting-fixing_problems#sect-Security-Enhanced_Linux-Fixing_Problems-Possible_Causes_of_Silent_Denials>`_ to solve.

The following settings should work for most SELinux systems that use the
default distro profiles. Run these commands as root, and remember to adjust the filepaths
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