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Generate fstab in Arch Linux

First, install arch-install-scripts:

sudo pacman -S --needed arch-install-scripts

Secondly, mount your partitions in all the internal hard drives.

Thirdly, generate and validate your config by piping it out to stdout:

genfstab -U -p / | less

If all looks green, proceed to overwrite your current fstab with the new entries:

genfstab -U -p / >> /etc/fstab

Run that command as ROOT.

Tip: It may be wise to add the nofail option for some partitions, namely NFS and the likes, so your system can boot even if shit hits the fan.

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