snippetbashTip

genfstab — Generate output suitable for addition to the `/etc/fstab` file. More information: <https://manned.or

Submitted by: @import:tldr-pages·Mar 2, 2026·

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commandgenfstabsuitableadditioncliforgenerateoutput

linux

Problem

How to use the genfstab command: Generate output suitable for addition to the /etc/fstab file. More information: <https://manned.org/genfstab>.

Solution

genfstab — Generate output suitable for addition to the /etc/fstab file. More information: <https://manned.org/genfstab>.

Generate the /etc/fstab file using volume UUIDs during an Arch Linux installation (requires root permissions):

genfstab -U {{/mnt}} >> {{/mnt/etc/fstab}}

Display fstab-compatible output based on volume labels:

genfstab -L {{path/to/mount_point}}

Display fstab-compatible output based on volume UUIDs:

genfstab -U {{path/to/mount_point}}

Display fstab-compatible output based on the specified identifier:

genfstab -t {{LABEL|UUID|PARTLABEL|PARTUUID}}

Append a volume into the /etc/fstab file to mount it automatically:

genfstab -U {{path/to/mount_point}} | sudo tee -a /etc/fstab

Code Snippets

Generate the `/etc/fstab` file using volume UUIDs during an Arch Linux installation (requires root permissions)

genfstab -U {{/mnt}} >> {{/mnt/etc/fstab}}

Display fstab-compatible output based on volume labels

genfstab -L {{path/to/mount_point}}

Display fstab-compatible output based on volume UUIDs

genfstab -U {{path/to/mount_point}}

Display fstab-compatible output based on the specified identifier

genfstab -t {{LABEL|UUID|PARTLABEL|PARTUUID}}

Append a volume into the `/etc/fstab` file to mount it automatically

genfstab -U {{path/to/mount_point}} | sudo tee -a /etc/fstab

Context

tldr-pages: linux/genfstab

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