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Destroyed Autorun on Arch Live CD (markdown)

Anton Hvornum 2020-08-13 08:17:54 +02:00
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Autorun-on-Arch-Live-CD.md

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This guides you on how to create a ISO that auto-starts archinstall.<br>
We'll base the ISO off the [releng](https://wiki.archlinux.org/index.php/Archiso#Setup) profile, to include Python etc.
To do so, we need to add some packages to `packages.x86_64` and add some commands to `customize_airootfs.sh`.<br>
*(some packages like `git` and `python-systemd` will be optional in the future)*
```
# cd ~/archlive
# cat <<EOF >> packages.x86_64
git
python
python-psutil
python-systemd
python-pygeoip
geoip-database
which
EOF
# cat <<EOF >> ./airootfs/root/customize_airootfs.sh
cd /root
git clone https://github.com/Torxed/archinstall.git
chmod +x ~/archinstall/archinstall.py
EOF
# mkdir ./airootfs/etc/skel
# echo ''[[ -z $DISPLAY && $XDG_VTNR -eq 1 ]] && sh -c "~/archinstall/archinstall.py"' >> ./airootfs/etc/skel/.zprofile
```
> Note: `~/archlive` might be different on your system, see [ArchISO#Setup](https://wiki.archlinux.org/index.php/archiso#Setup) for more info.
After all those commands are done, you can go ahead and run *(Note that both commands are run as root, or sudo if you will)*:
# rm -v work*; ./build.sh -v
> Note: Don't forget the `-v` flag, otherwise the build script can fail silently in the background and no ISO gets produced.
When the `build.sh` script finishes, an ISO named `archlinux-YYYY.MM.DD-PLATFORM.iso` gets produced in `~/archlive/out`
Whenever this live-cd boots, from here on now - it'll run `archinstall.py` and attempt to unattendely install a default Arch Linux base OS with `base base-devel` as packages.
Or - if successfull - a MAC-address matches a profile at [/deployments](https://github.com/Torxed/archinstall/tree/master/deployments) for the machine to be installed.
> **CAUTION**: If no parameters are given, **it will devour the first disk in your system** (Usually `/dev/sda`, `/dev/nvme0n1` etc).
> Note: If you get random building errors, update your packages and reboot the computer as a first step of remediation.