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Setting up Grub on install (without rebooting)

Sources

<Originally written by ryanpcmcquen>

If you want to install GRUB immediately after install (and before restarting), here is a simple way:

After the message: “Installation of Slackware Linux is complete.”

$ mkdir /mnt/hd

Mount your root partition, for example:

$ mount /dev/sda3 /mnt/hd

Then chroot in:

$ chroot /mnt/hd
$ grub-install /dev/sda
$ grub-mkconfig -o /boot/grub/grub.cfg

GRUB will bark a warning at you like:

grep: /proc/mounts: No such file or directory
Cannot find list of partitions! (Try mounting /sys.)

Don't worry though, this is normal, this is just a result of chrooting.

$ exit
$ reboot

Enjoy!


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