Ubuntu Root on ZFS

Resources

• My notes and files on previous ZOR
• Debian Buster Root on ZFS
• Ubuntu 18.04 root on ZFS

Live Env Steps

1. Mount USB media
2. Touchpad: no click on touch
3. Connect to WiFi
4. sudo sh live-env-prep.sh

Usage Steps

• sudo python3 zor.py status

• sudo python3 zor.py disk-wipe

• sudo python3 zor.py disk-partition

• sudo python3 zor.py disk-format

• sudo python3 zor.py efi

• sudo python3 zor.py zpool

• sudo python3 zor.py zfs

• sudo python3 zor.py install-os

• sudo python3 zor.py status

• sudo python3 zor.py unmount

• sudo python3 zor.py recover

• sudo python3 zor.py chroot

• sudo python3 zor.py unmount

ToDo

• Configure swap
  • should be encrypted
  • /etc/sysctl.conf: vm.swappiness=1 vm.vfs_cache_pressure=50
• Disable log compression
• Set ZFS trim

Commands

CTRL / ALT swap:

$ setxkbmap -option "ctrl:swap_lalt_lctl"

Zero out the drive:

$ sudo dd bs=10M count=1024 if=/dev/zero of=/dev/disk/by-id/nvme-Samsung_SSD_960_PRO_1TB_S3EVNX0J802831N conv=fdatasync status=progress

Find processes that prevent unmount:

$ sudo fuser -vm /mnt/sampro