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What is a masked systemd unit?

What is a masked systemd unit?

Systemd units that are in a masked state are administratively disabled. While being in this state, they can not be started until they are unmasked.

Systemd units that are in a masked state are administratively disabled. While being in this state, they can not be started until they are unmasked. Typically a unit is masked when it should not start by default or manually, to prevent it causing issues or running an unwanted service. With systemctl and the subcommand mask, a systemd unit can be masked.

Relevant FAQ: How to see all masked units with systemctl?

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