#v1 sudo mount -t proc proc /proc sudo mount -t sysfs sys /sys sudo mount -t devtmpfs dev /dev sudo mount -t devpts devpts /dev/pts
#v2 cd /path/to/new/root mount -t proc /proc proc/ mount -t sysfs /sys sys/ mount --rbind /dev dev/ mount --rbind /run run/ mount --rbind /sys/firmware/efi/efivars sys/firmware/efi/efivars/