How to test the latest/specific version of subiquity on PPC64LE / POWER System detailing the infos from: https://discourse.ubuntu.com/t/how-to-test-the-latest-version-of-subiquity/12428 1) On petiboot menu - go to ` *Exit to shell` Petitboot (v1.10.2) 8335-GTW 00 131573A [Disk: nvme0n1p2 / 5706e42b-ccf7-462e-80aa-98cca1b522ee] Ubuntu, with Linux 5.8.0-36-generic (recovery mode) Ubuntu, with Linux 5.8.0-36-generic (*) Ubuntu [Disk: sda2 / 8b9541c6-a538-40d6-81e5-36cc17aa1df0] Ubuntu, with Linux 5.4.0-60-generic (recovery mode) Ubuntu, with Linux 5.4.0-60-generic Ubuntu, with Linux 5.4.0-62-generic (recovery mode) Ubuntu, with Linux 5.4.0-62-generic Ubuntu System information System configuration System status log Language Rescan devices Retrieve config from URL Plugins (0) *Exit to shell Enter=accept, e=edit, n=new, x=exit, l=language, g=log, h=help # 2) - Download http://cdimage.ubuntu.com/ubuntu-server/daily-live/20210126/hirsute-live-server-ppc64el.iso - Create a new dir and mount the image in / # wget http://cdimage.ubuntu.com/ubuntu-server/daily-live/20210126/hirsute-live-server-ppc64el.iso / # mkdir iso / # mount -t iso9660 -o loop hirsute-live-server-ppc64el.iso iso 3)adding `subiquity-channel=`edge/mwhudson-hack" when loading kernel and initrd: / # kexec -l ./iso/casper/vmlinux -i ./iso/casper/initrd.gz --append="subiquity-channel=edge/mwhudson-hack" / # kexec -e The system is going down NOW! Sent SIGTERM to all processes Sent SIGKILL to all processes ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... done. [ 5.197384] EXT4-fs (sda2): mounted filesystem with ordered data mode. Opts: (null) Begin: Running /scripts/casper-premount ... done. done. 4) - Few seconds later it will ask some questions: - Add again the .ISO URL : http://cdimage.ubuntu.com/ubuntu-server/daily-live/20210126/hirsute-live-server-ppc64el.iso Unable to find a medium container a live file system Attempt interactive netboot from a URL? yes no (default yes): Two methods available for IP configuration: * static: for static IP configuration * dhcp: for automatic IP configuration static dhcp (default 'dhcp'): vlan id (optional): http://cdimage.ubuntu.com/releases/focal/release/ubuntu-20.04-live-server-ppc64el.iso (default) url: http://cdimage.ubuntu.com/ubuntu-server/daily-live/20210126/hirsute-live-server-ppc64el.iso http_proxy (optional): Configuring networking... Internet Systems Consortium DHCP Client 4.4.1 Copyright 2004-2018 Internet Systems Consortium. All rights reserved. For info, please visit https://www.isc.org/software/dhcp/ 5) When it reachs the subiquity installer screen, On the top right - via the help menu - go to `enter shell` - check the current version installed: : ``` root@ubuntu-server:/# snap info subiquity name: subiquity summary: Ubuntu installer publisher: Canonical* store-url: https://snapcraft.io/subiquity license: unset description: | The Ubuntu server installer commands: - subiquity.console-conf - subiquity.probert - subiquity - subiquity.subiquity-configure-apt - subiquity.subiquity-configure-run - subiquity.subiquity-loadkeys services: subiquity.subiquity-server: simple, enabled, active subiquity.subiquity-service: simple, enabled, active snap-id: ba2aj8guta0zSRlT3QM5aJNAUXPlBtf9 tracking: latest/edge/mwhudson-hack refresh-date: yesterday at 09:38 UTC channels: latest/stable: 21.01.1 2021-01-21 (2253) 56MB classic latest/candidate: ^ latest/beta: ^ latest/edge: 21.01.1 2021-01-20 (2253) 56MB classic installed: 21.01.1 (2253) 56MB classic root@ubuntu-server:/# ``` Notice `tracking: latest/edge/mwhudson-hack` 6) Exit and then proceed with the installation.