76 lines
2.3 KiB
Bash
Executable File
76 lines
2.3 KiB
Bash
Executable File
#!/bin/bash
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# Based on https://blog.stefan-koch.name/2020/05/31/automation-archlinux-qemu-installation
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src="https://mirror.rackspace.com/archlinux/iso/2021.11.01/archlinux-bootstrap-2021.11.01-x86_64.tar.gz"
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archive=image/archlinux.tar.gz
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image=image/image.raw
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mountpoint=image/arch
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if [[ ! -f $archive ]]; then
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wget $src -O $archive
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fi
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mkdir -p $mountpoint
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mkdir -p ssh
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qemu-img create -f raw $image 20G
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loop="$(sudo losetup --show -f -P $image)"
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sudo mkfs.ext4 "$loop"
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sudo mount "$loop" "$mountpoint"
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sudo tar zxf "$archive" -C "$mountpoint" --strip-components 1
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key="$(cat ssh/qemu_ssh.pub)"
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sudo "$mountpoint/bin/arch-chroot" "$mountpoint" /bin/bash <<EOL
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set -v
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echo 'Server = https://mirror.rackspace.com/archlinux/\$repo/os/\$arch' >> /etc/pacman.d/mirrorlist
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pacman-key --init
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pacman-key --populate archlinux
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pacman -Syu --noconfirm
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pacman -S --noconfirm base linux linux-firmware mkinitcpio openssh kitty-terminfo dhcpcd
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systemctl enable sshd dhcpcd
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# Standard Archlinux Setup
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ln -sf /usr/share/zoneinfo/Europe/Berlin /etc/localtime
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hwclock --systohc
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echo en_US.UTF-8 UTF-8 >> /etc/locale.gen
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locale-gen
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echo LANG=en_US.UTF-8 > /etc/locale.conf
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echo arch-qemu > /etc/hostname
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echo -e '127.0.0.1 localhost\n::1 localhost' >> /etc/hosts
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mkdir -p /etc/systemd/system/serial-getty@ttyS0.service.d
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echo -e "[Service]\nExecStart=\nExecStart=-/usr/bin/agetty --autologin root -s %I 115200,38400,9600 vt102" > /etc/systemd/system/serial-getty@ttyS0.service.d/autologin.conf
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echo -e "share.1\t/mnt\tvirtiofs\trw,_netdev\t0\t0" >> /etc/fstab
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mkdir /root/.ssh
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echo "$key" > /root/.ssh/authorized_keys
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# Create an initramfs without autodetect, because this breaks with the
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# combination host/chroot/qemu
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linux_version=\$(ls /lib/modules/ | sort -V | tail -n 1)
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mkinitcpio -c /etc/mkinitcpio.conf -S autodetect --kernel \$linux_version -g /boot/initramfs-linux-custom.img
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echo 'root:root' | chpasswd
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EOL
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cp "$mountpoint/boot/vmlinuz-linux" image/
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cp "$mountpoint/boot/initramfs-linux-custom.img" image/
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sudo "$mountpoint/bin/arch-chroot" "$mountpoint" /bin/bash <<EOL
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pacman -Rs --noconfirm linux linux-firmware mkinitcpio
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rm -r /var/cache/pacman/pkg
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rm -r /boot
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EOL
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sudo umount "$mountpoint"
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sudo losetup -d "$loop"
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qemu-img convert -f raw -O qcow2 "$image" image/image.qcow2
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rm image/image.raw
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