Specifying Permissions for Schema (Data) Directories and Tables

Default File Permissions

By default MariaDB uses the following permissions for files and directories:

Object TypeDefault ModeDefault Permissions

Configuring File Permissions with Environment Variables

You can configure MariaDB to use different permissions for files and directories by setting the following environment variables before you start the server:

Object TypeEnvironment Variable

In other words, if you would run the following in a shell:

export UMASK=0640
export UMASK_DIR=0750

These environment variables do not set the umask. They set the default file system permissions. See MDEV-23058 for more information.

Configuring File Permissions with systemd

If your server is started by systemd, then there is a specific way to configure the umask. See Systemd: Configuring the umask for more information.


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