Table of Contents

Chroot from Live System

Manjaro

pamac install manjaro-tools-base
manjaro-chroot -a
#grub-probe: error: cannot find a GRUB drive for /dev/sdb1.  Check your device.map.
#grub-probe: error: cannot find a GRUB drive for /dev/sdb1.  Check your device.map.
#==> Mounting (ManjaroLinux) [/dev/nvme0n1p5]
# --> mount: [/mnt]
# --> mount: [/mnt/boot/efi]

Other Linux Systems

Find the system. 

sudo wipefs /dev/nvme0n1p5
# DEVICE    OFFSET TYPE UUID                                 LABEL
# nvme0n1p5 0x438  ext4 3899a753-aaaa-46e0-b034-cccccccccccc 
sudo mount /dev/nvme0n1p5 /mnt

Mount special filesystems: 

sudo mount -t proc proc /mnt/proc
sudo mount -t sysfs /sys /mnt/sys
sudo mount --bind /dev /mnt/dev
sudo mount --bind /dev/pts /mnt/dev/pts

Change into the installed system: 

chroot /mnt

Unmount the installed system: 

sudo umount -r /mnt/dev
sudo umount -r /mnt/dev/pts
sudo umount -r /mnt/proc
sudo umount -r /mnt/sys
sudo umount -r /mnt