MinoriWiki Demo  / Install ArchLinux onto loopback filesystem

mkdir /host
ntfs-3g /dev/sda5 /host
truncate -s 8G /host/diskimg/archlinux.img
mkfs -t ext4 -F /host/diskimg/archlinux.img
modprobe loop # You need this if not using official installation media
mount -o loop /host/diskimg/archlinux.img /mnt
mkdir -p /mnt/var/lib/pacman
vi /etc/pacman.d/mirrorlist
pacman -Sy
pacman -Syr /mnt
pacman -Sr /mnt base ntfs-3g net-tools wireless_tools
vi /mnt/etc/rc.conf
vi /mnt/etc/mkinitcpio.conf
mv /mnt/boot /host/diskimg/archboot
ln -s /host/diskimg/archboot /mnt/boot

/mnt/lib/initcpio/hooks/looproot

# vim:set ft=sh:
run_hook ()
{
    # Now mount the host filesystem
    mkdir /host
    # mount -t ntfs /dev/sda5 /host
    ntfs-3g /dev/sda5 /host

    # And the loop filesystem
    losetup /dev/loop0 /host/diskimg/archlinux.img
    mount -t ext4 /host/diskimg/archlinux.img /new_root
    mount --bind /host /new_root/host
}

/mnt/lib/initcpio/install/looproot

build() {
        SCRIPT="looproot"
}

help() {
        cat <<HELPEOF
        HELPEOF
}

# vim: set ft=sh ts=4 sw=4 et:

/mnt/etc/rc.d/functions.d/omitntfs

omitntfs() {
    sync
    add_omit_pids $(fuser /dev/sda5 2>/dev/null | awk '-F ' '{ print $1 }')
}

# remove fuseblk from the original NETFS variable
NETFS="nfs,nfs4,smbfs,cifs,codafs,ncpfs,shfs,fuse,glusterfs,davfs,fuse.glusterfs"

add_hook shutdown_prekillall omitntfs
add_hook single_prekillall omitntfs

/mnt/etc/mkinitcpio.conf (diff)

7c7
< MODULES=""
---
> MODULES="loop fuse"
14c14
< BINARIES=""
---
> BINARIES="/usr/bin/ntfs-3g"
59c59
< HOOKS="base udev autodetect pata scsi sata filesystems usbinput fsck"
---
> HOOKS="base udev autodetect pata scsi sata filesystems usbinput looproot fsck"

/mnt/etc/fstab

# 
# /etc/fstab: static file system information
#
# <file system> <dir>   <type>  <options>       <dump>  <pass>
/dev/loop0      /       ext4    loop            0       1
/dev/sda5       /host   ntfs    defaults        0       0

mkdir /mnt/host
for i in dev proc sys host; do mount --bind /$i /mnt/$i; done
modprobe dm-mod # You need this if you want to install GRUB
chroot /mnt
passwd
mkinitcpio -p linux

(Install the bootloader)

After installing the bootloader

exit
umount /mnt/dev /mnt/proc /mnt/sys /mnt/host /mnt /host
reboot

After reboot

exit

Last Update: Sat Oct 15 2016 09:31:15 GMT+0900 (JST) Source File