Comments - How to access MariaDB from a Linux systemd service without password

1 month ago Daniel Black

The systemd service has ProtectHome=yes by default making the /root/.my.cnf file inaccessible to the systemd service.

While disabling with ProtectHome=false may seem like the easy option, consider the alternative:

ALTER USER root@localhost IDENTIFIED VIA unix_socket

Ref: unix socket authentication.

With this the /root/.my.cnf file is no longer needed, and the root unix user is the only one that can access the root@localhost MariaDB user account.

If your systemd service runs under a different user, say xyzservice, then;

CREATE USER xyservice@localhost IDENTIFIED VIA unix_socket

And then provide the sufficient grants to that user based on what the service needs.

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