Validate fstab without rebooting

After doing modifications to your fstab file, you might want to test its validity so you don't get errors when you reboot your computer. Bellow is a command with different configurations depending of your needs.

Validate by mounting

The simplest way is to use the mount command. The -a flag says to mount all the filesystems present in the fstab file.

mount -a

Note that this command will only mount all the not-yet-mounted filesystems.

Validate without mounting

In the case you want to do a dry-run, you can run the following command.

mount -fav

The flag -f stands for fake and the verbose flag -v will display errors if any.

See Also

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