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computers:linux:arch-zfs-install [2025/09/02 11:35] – wikiadmincomputers:linux:arch-zfs-install [2025/09/06 11:30] (current) – wikiadmin
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-===== Install arch linux with zfs root =====+ ===== Install arch linux with zfs root ===== 
 + 
   - Obtain latest ISO from archlinux.org and burn it to an ISO   - Obtain latest ISO from archlinux.org and burn it to an ISO
   - Boot up and change / size  \     - Boot up and change / size  \  
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 zfs create -o mountpoint=/ -o canmount=noauto zroot/ROOT/arch zfs create -o mountpoint=/ -o canmount=noauto zroot/ROOT/arch
 zfs mount zroot/ROOT/arch zfs mount zroot/ROOT/arch
-zfs create -o mountpoint=none zroot/homes 
-zfs create -o mountpoint=/root zroot/homes/root 
-zfs create -o mountpoint=/home/USER zroot/homes/USER 
  
 zfs mount zfs mount
 zroot/ROOT/arch                 /mnt zroot/ROOT/arch                 /mnt
-zroot/homes/root                /mnt/root 
-zroot/homes/USER                /mnt/home/USER 
 </code> </code>
   - Set up EFI and swap partitions<code>   - Set up EFI and swap partitions<code>
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   - Populate the fstab<code>   - Populate the fstab<code>
 echo "$(blkid /dev/sda1|cut -d\  -f2) /boot/efi vfat defaults 0 2" >> /mnt/etc/fstab echo "$(blkid /dev/sda1|cut -d\  -f2) /boot/efi vfat defaults 0 2" >> /mnt/etc/fstab
-echo "$(blkid /dev/sda2|cut -d\  -f2) none swap sw 0 0" >> /mnt/etc/fstab</code>+echo "$(blkid /dev/sda2|cut -d\  -f2) none swap defaults 0 0" >> /mnt/etc/fstab</code>
   - Move into the install   - Move into the install
     - <code>arch-chroot /mnt</code>     - <code>arch-chroot /mnt</code>
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 locale-gen locale-gen
 echo "LANG=en_US.UTF-8" > /etc/locale.conf</code> echo "LANG=en_US.UTF-8" > /etc/locale.conf</code>
-    - vconsole +    - vconsole<code>echo -e "KEYMAP=us\n#FONT=latarcyrheb-sun32" > /etc/vconsole.conf</code> 
-      - <code>echo -e "KEYMAP=us\n#FONT=latarcyrheb-sun32" > /etc/vconsole.conf</code> +    - hostname/hosts<code>echo tas > /etc/hostname</code>
-    - hostname/hosts +
-      - <code>echo tas > /etc/hostname</code>+
     - set root password<code>passwd root</code>     - set root password<code>passwd root</code>
-  - Create a normal user and add to sudoers/wheel group +  - Create a normal user and add to sudoers/wheel group<code>useradd -G wheel some_user 
-    - <code>useradd -G wheel some_user +passwd some_user 
-passwd some_user</code>+mkdir -p ~some_user && chown some_user ~some_user</code>
     - edit sudoers with visudo to uncomment one of the wheel stanzas<code>     - edit sudoers with visudo to uncomment one of the wheel stanzas<code>
 EDITOR=vim visudo</code> EDITOR=vim visudo</code>
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 cd paru cd paru
 makepkg -si makepkg -si
-cd .. 
-rm -rf .cargo/ paru/ 
 </code> </code>
   - Install zfs support<code>paru -S zfs-utils   - Install zfs support<code>paru -S zfs-utils
-paru -S zfs-dkms</code> +paru -S zfs-dkms 
-    - exit to root+</code> 
 +  - exit to root<code>exit</code>
   - finish setup   - finish setup
     - <code>zgenhostid -f 0x00bab10c</code>     - <code>zgenhostid -f 0x00bab10c</code>
-    - edit /etc/mkinitcpio.conf and modify the HOOKS line +    - edit /etc/mkinitcpio.conf and modify the HOOKS line adding //resume// and //zfs//<code> 
-      - remove fsck, add zfs resume +vim /etc/mkinitcpio.conf 
-      - <code>mkinitcpio -P</code>+grep ^HOOKS /etc/mkinitcpio.conf 
 +HOOKS=(base udev autodetect microcode modconf kms keyboard keymap zfs consolefont block filesystems resume) 
 +mkinitcpio -P</code> 
 +    - fix up user home directories<code>rm -rf ~some_user; mv /root /_root</code>
     - set up services<code>systemctl disable zfs-import-cache.service     - set up services<code>systemctl disable zfs-import-cache.service
 systemctl mask zfs-import-cache.service systemctl mask zfs-import-cache.service
 systemctl enable zfs-import-scan.service zfs-mount.service zfs.target zfs-volumes.target zfs-import.target zfs-zed.service NetworkManager</code> systemctl enable zfs-import-scan.service zfs-mount.service zfs.target zfs-volumes.target zfs-import.target zfs-zed.service NetworkManager</code>
 +  - Set up the EFI and install zfsbootmenu<code>
 +zfs set org.zfsbootmenu:commandline="rw quiet" zroot/ROOT
 +mkdir /boot/efi
 +mount /boot/efi
 +mkdir -p /boot/efi/EFI/ZBM
 +curl -o /boot/efi/EFI/ZBM/VMLINUZ.EFI -L https://get.zfsbootmenu.org/efi
 +cp /boot/efi/EFI/ZBM/VMLINUZ.EFI /boot/efi/EFI/ZBM/VMLINUZ-BACKUP.EFI
 +pacman -S refind
 +refind-install
 +rm /boot/refind_linux.conf
 +cat << EOF >> /boot/efi/EFI/refind/refind_linux.conf
 +
 +menuentry "zbm boot" {
 +    loader /EFI/ZBM/VMLINUZ.EFI
 +    options "quiet loglevel=0 zbm.skip"
 +}
 +menuentry "zbm menu" {
 +    loader /EFI/ZBM/VMLINUZ.EFI
 +    options "quiet loglevel=0 zbm.show"
 +}
 +menuentry "zbm backup menu" {
 +    loader /EFI/ZBM/VMLINUZ-BACKUP.EFI
 +    options "quiet loglevel=0 zbm.show"
 +}
 +EOF
 +</code>
 +  - Exit and reboot<code>
 +exit
 +umount -n -R /mnt
 +zpool export zroot
 +reboot
 +</code>
 +  - Finish up
 +    - Log in as root<code>
 +zfs create -o mountpoint=none zroot/homes
 +zfs create -o mountpoint=/root zroot/homes/root
 +zfs create -o mountpoint=/home/USER zroot/homes/USER
 +cp -r /etc/skel/. ~
 +cp -r /etc/skel/. ~some_user
 +chown -R some_user:some_user ~some_user
 +chmod 750 ~some_user
 +zfs snapshot zroot/ROOT/arch@initial
 +exit
 +</code>
  

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