Arch Linux installer - guided, templates etc.
Project description
Just another guided/automated Arch Linux installer with a twist. The installer also doubles as a python library to access each individual installation step for customized installs.
Pre-built ISO's can be found here which autostarts archinstall (in a safe guided mode): https://hvornum.se/archiso/
- archinstall discord server
archinstall documentation(TBA)- archinstall ISO's: https://hvornum.se/archiso/
- archinstall on #archinstall@freenode (IRC)
Installation & Usage
Run as stand-alone binary on Live-CD
# curl -L https://gzip.app/archinstall > archinstall.tar.gz
# tar xvzf archinstall.tar.gz
# cd archinstall-v2.0.3
# chmod +x archinstall
# ./archinstall
This downloads and runs a compiled (using nuitka3) version of the project.
It will ask fora disk and start a guided installation.
Install with pacman
on Live-CD
# curl -L https://gzip.app/archinstall.xz > archinstall.pkg.tar.xz
# pacman -U archinstall.pkg.tar.xz
# archinstall guided
This requires that the RAM on your machine is sufficient for a installation (tested on 1024MB of RAM).
But this will utilize pacman
to install the pre-compiled binary from above and place archinstall in PATH
.
Install Python on Live-CD and run manually:
# wget https://github.com/Torxed/archinstall/archive/v2.0.3.tar.gz
# tar xvzf v2.0.2.tar.gz
# cd archinstall-2.0.2
# pacman -S --noconfirm python; python examples/guided.py
This will ask for a disk and start a guided installation.
Install using pip
and run as a Python module:
# pip install archinstall
# python -m archinstall guided
This assumes tho that python >= 3.8
and pip
is present (not always the case on the default Arch Linux ISO), see above for pre-built ISO's containing Python+pip or follow the docs to see how to build an ISO yourself.
Scripting an installation to put on a ISO media
Assuming you're building your own ISO and want to create an automated install process.
This is probably what you'll need, a minimal example of how to install using archinstall as a Python library.
import archinstall, getpass
# Select a harddrive and a disk password
harddrive = archinstall.select_disk(archinstall.all_disks())
disk_password = getpass.getpass(prompt='Disk password (won\'t echo): ')
with archinstall.Filesystem(harddrive, archinstall.GPT) as fs:
# use_entire_disk() is a helper to not have to format manually
fs.use_entire_disk('luks2')
harddrive.partition[0].format('fat32')
with archinstall.luks2(harddrive.partition[1], 'luksloop', disk_password) as unlocked_device:
unlocked_device.format('btrfs')
with archinstall.Installer(unlocked_device, hostname='testmachine') as installation:
if installation.minimal_installation():
installation.add_bootloader(harddrive.partition[0])
installation.add_additional_packages(['nano', 'wget', 'git'])
installation.install_profile('workstation')
installation.user_create('anton', 'test')
installation.user_set_pw('root', 'toor')
installation.add_AUR_support()
This installer will perform the following:
- Prompt the user to select a disk and disk-password
- Proceed to wipe the selected disk with a
GPT
partition table. - Sets up a default 100% used disk with encryption.
- Installs a basic instance of Arch Linux (base base-devel linux linux-firmware btrfs-progs efibootmgr)
- Installs and configures a bootloader to partition 0.
- Install additional packages (nano, wget, git)
- Installs a network-profile called workstation (more on network profiles in the docs)
- Adds AUR support by compiling and installing yay
Creating your own ISO with this script on it: Follow ArchISO's guide on how to create your own ISO or use a pre-built guided ISO to skip the python installation step, or to create auto-installing ISO templates. Further down are examples and cheat sheets on how to create different live ISO's.
Testing
To test this without a live ISO, the simplest approach is to use a local image and create a loop device.
This can be done by installing pacman -S arch-install-scripts util-linux
locally and doing the following:
# dd if=/dev/zero of=./testimage.img bs=1G count=5
# losetup -fP ./testimage.img
# losetup -a | grep "testimage.img" | awk -F ":" '{print $1}'
# pip install archinstall
# python -m archinstall guided
# qemu-system-x86_64 -enable-kvm -machine q35,accel=kvm -device intel-iommu -cpu host -m 4096 -boot order=d -drive file=./testimage.img,format=raw -drive if=pflash,format=raw,readonly,file=/usr/share/ovmf/x64/OVMF_CODE.fd -drive if=pflash,format=raw,readonly,file=/usr/share/ovmf/x64/OVMF_VARS.fd
This will create a 5GB testimage.img
and create a loop device which we can use to format and install to.
archinstall
is installed and executed in guided mode. Once the installation is complete,
you can use qemu/kvm to boot the test media. (You'd actually need to do some EFI magic in order to point the EFI vars to the partition 0 in the test medium so this won't work entirely out of the box, but gives you a general idea of what we're going for here)
You can also run a pre-built ISO with pip and python
# qemu-system-x86_64 -enable-kvm -cdrom /home/user/Downloads/archinstall-2020.07.08-x86_64.iso -machine q35,accel=kvm -device intel-iommu -cpu host -m 4096 -boot order=d -drive file=./testimage.img,format=raw -drive if=pflash,format=raw,readonly,file=/usr/share/ovmf/x64/OVMF_CODE.fd -drive if=pflash,format=raw,readonly,file=/usr/share/ovmf/x64/OVMF_VARS.fd
and once inside, just do
# python -m archlinux guided
End note
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