producing parabola images now
This commit is contained in:
Andreas Grapentin
parent
282f805d6d
commit
ced9aa0de9
7
.gitignore
vendored
7
.gitignore
vendored
@ -2,6 +2,13 @@
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# image files
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*.qcow2
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*.raw
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*.img
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# tarballs
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*.tar.*
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# build dirs
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build/
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# generated ssh keys
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keys/*
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66
create.sh
66
create.sh
@ -2,63 +2,29 @@
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set -eu
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# this script prepares an archlinuxarm image for use with start.sh
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# this script prepares an armv7h parabola image for use with start.sh
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OUTFILE=${OUTFILE:-armv7h.raw}
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SIZE=${SIZE:-64G}
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_builddir=build
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_outfile=$_builddir/$(basename $OUTFILE)
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export OUTFILE=${OUTFILE:-armv7h.img}
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export SIZE=${SIZE:-64G}
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export ARCHTARBALL=${ARCHTARBALL:-ArchLinuxARM-armv7-latest.tar.gz}
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export _builddir=build
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mkdir -p $_builddir
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# create an empty image
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rm -f $_outfile
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qemu-img create -f raw $_outfile $SIZE
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export _outfile=$_builddir/$(basename $OUTFILE)
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# setup an available loop device
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_loopdev=$(losetup -f --show $_outfile)
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# prepare the empty image
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./src/stage0.sh
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# setup an error exit handler for cleanup
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function cleanup {
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echo "exiting due to earlier errors..." >&2
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for part in p1 p2; do
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umount $_loopdev$part || true
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done
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losetup -d $_loopdev || true
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rm -rf $_builddir/boot $_builddir/root
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rm -f $_outfile
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}
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trap cleanup ERR
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# install archlinuxarm in the empty image
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./src/stage1.sh
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# fetch latest archlinuxarm tarball
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wget -nc http://os.archlinuxarm.org/os/ArchLinuxARM-armv7-latest.tar.gz
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# migrate the installed image to parabola
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./src/stage2.sh
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# following are the installation instructions provided on
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# https://archlinuxarm.org/platforms/armv7/arm/versatile-express
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dd if=/dev/zero of=$_loopdev bs=1M count=8
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parted -s $_loopdev \
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mklabel gpt \
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mkpart ESP fat32 1MiB 513MiB \
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set 1 boot on \
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mkpart primary ext4 513MiB 100%
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mkfs.vfat -F 32 ${_loopdev}p1
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mkdir -p $_builddir/boot
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mount ${_loopdev}p1 $_builddir/boot
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mkfs.ext4 ${_loopdev}p2
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mkdir $_builddir/root
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mount ${_loopdev}p2 $_builddir/root
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bsdtar -vxpf ArchLinuxARM-armv7-latest.tar.gz -C $_builddir/root
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sync
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mv -v $_builddir/root/boot/* $_builddir/boot
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cat >> $_builddir/root/etc/fstab << EOF
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/dev/mmcblk0p1 /boot vfat defaults 0 0
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EOF
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# tie up any loose ends
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for part in p1 p2; do
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umount $_loopdev$part
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done
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losetup -d $_loopdev
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# cleanup
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chown $(logname) $_outfile
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mv -v $_outfile $OUTFILE
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rm -rf $_builddir
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echo "all done :)"
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7
src/stage0.sh
Executable file
7
src/stage0.sh
Executable file
@ -0,0 +1,7 @@
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#!/bin/bash
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set -eu
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# create an empty qemu image
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rm -f $_outfile
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qemu-img create -f raw $_outfile $SIZE
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65
src/stage1.sh
Executable file
65
src/stage1.sh
Executable file
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#!/bin/bash
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set -eu
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# setup an available loop device
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_loopdev=$(losetup -f --show $_outfile)
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# setup an error exit handler for cleanup
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function cleanup {
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echo "exiting due to earlier errors..." >&2
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for part in p1 p2; do
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umount $_loopdev$part || true
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done
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losetup -d $_loopdev || true
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rm -rf $_builddir/boot $_builddir/root
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rm -f $_outfile
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}
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trap cleanup ERR
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# fetch latest archlinuxarm tarball
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wget -nc http://os.archlinuxarm.org/os/$ARCHTARBALL
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# the following installation instructions are taken from
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# https://archlinuxarm.org/platforms/armv7/arm/versatile-express
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dd if=/dev/zero of=$_loopdev bs=1M count=8
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parted -s $_loopdev \
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mklabel gpt \
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mkpart ESP fat32 1MiB 513MiB \
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set 1 boot on \
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mkpart primary ext4 513MiB 100%
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mkfs.vfat -F 32 ${_loopdev}p1
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mkdir -p $_builddir/boot
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mount ${_loopdev}p1 $_builddir/boot
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mkfs.ext4 ${_loopdev}p2
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mkdir $_builddir/root
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mount ${_loopdev}p2 $_builddir/root
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bsdtar -vxpf $ARCHTARBALL -C $_builddir/root
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sync
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mv -v $_builddir/root/boot/* $_builddir/boot
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cat >> $_builddir/root/etc/fstab << EOF
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/dev/mmcblk0p1 /boot vfat defaults 0 0
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EOF
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# create and install root ssh keys for access
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mkdir -p keys
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test -f keys/id_rsa || ssh-keygen -N '' -f keys/id_rsa
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chown $(logname) keys/id_rsa*
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mkdir -m 700 $_builddir/root/root/.ssh
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install -m 600 -o 0 -g 0 keys/id_rsa.pub $_builddir/root/root/.ssh/authorized_keys
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# create and install ssh host keys
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for cipher in dsa ecdsa ed25519 rsa; do
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if [ ! -f keys/ssh_host_${cipher}_key ]; then
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ssh-keygen -N '' -t ${cipher} -f keys/ssh_host_${cipher}_key
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fi
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install -m 600 -o 0 -g 0 keys/ssh_host_${cipher}_key $_builddir/root/etc/ssh
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install -m 644 -o 0 -g 0 keys/ssh_host_${cipher}_key.pub $_builddir/root/etc/ssh
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done
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# tie up any loose ends
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for part in p1 p2; do
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umount $_loopdev$part
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done
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losetup -d $_loopdev
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rm -rf $_builddir/boot $_builddir/root
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98
src/stage2.sh
Executable file
98
src/stage2.sh
Executable file
@ -0,0 +1,98 @@
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#!/bin/bash
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set -eu
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_scriptfile=$_builddir/migrate.sh
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_pidfile=$_builddir/qemu.pid
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_loopdev=$(sudo losetup -f --show $_outfile)
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_bootdir=.boot
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# register cleanup handler to stop the started VM
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function cleanup {
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test -f $_pidfile && (kill -9 $(cat $_pidfile) || true)
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rm -f $_pidfile
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umount ${_loopdev}p1
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losetup -d $_loopdev
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rm -rf $_bootdir
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rm -f $_scriptfile
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}
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trap cleanup ERR
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# create the migration script, adapted from
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# https://wiki.parabola.nu/Migration_from_Arch_ARM
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cat > $_scriptfile << 'EOF'
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#!/bin/bash
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set -eu
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sed -i 's/^SigLevel.*/SigLevel = Never/' /etc/pacman.conf
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pacman --noconfirm -U https://www.parabola.nu/packages/libre/any/parabola-keyring/download/
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pacman --noconfirm -U https://www.parabola.nu/packages/libre/any/archlinux32-keyring/download/
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pacman --noconfirm -U https://www.parabola.nu/packages/core/any/archlinux-keyring/download/
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pacman --noconfirm -U https://www.parabola.nu/packages/libre/any/pacman-mirrorlist/download/
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pacman --noconfirm -S archlinuxarm-keyring
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sed -i 's/^SigLevel.*/SigLevel = Required DatabaseOptional/' /etc/pacman.conf
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pacman-key --init
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pacman-key --populate archlinuxarm archlinux archlinux32 parabola
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test -f /etc/pacman.d/mirrorlist.pacnew && mv /etc/pacman.d/mirrorlist{.pacnew,}
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sed -i '/^\[core\]/i \
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[libre] \
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Include = /etc/pacman.d/mirrorlist \
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' /etc/pacman.conf
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sed -Ei '/^\[alarm\]|\[aur\]/,+2d' /etc/pacman.conf
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yes | pacman -Scc
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sed -i 's/^Architecture.*/Architecture = armv7h/' /etc/pacman.conf
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pacman --noconfirm -Syy
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pacman --noconfirm -S pacman
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mv /etc/pacman.conf{.pacnew,}
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pacman --noconfirm -Syuu
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pacman --noconfirm -S your-freedom
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EOF
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chmod +x $_scriptfile
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# start the VM
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mkdir -p $_bootdir
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mount ${_loopdev}p1 $_bootdir
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QEMU_AUDIO_DRV=none qemu-system-arm \
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-M vexpress-a9 \
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-m 1G \
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-dtb $_bootdir/dtbs/vexpress-v2p-ca9.dtb \
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-kernel $_bootdir/zImage \
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--append "root=/dev/mmcblk0p2 rw roottype=ext4 console=ttyAMA0" \
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-drive if=sd,driver=raw,cache=writeback,file=$_outfile \
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-display none \
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-net user,hostfwd=tcp::2022-:22 \
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-net nic \
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-daemonize \
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-pidfile $_pidfile
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# wait for ssh to be up
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while ! ssh -p 2022 -i keys/id_rsa root@localhost -o StrictHostKeyChecking=no true 2>/dev/null; do
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echo -n . && sleep 5
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done && echo
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# copy and execute the migration script
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scp -P 2022 -i keys/id_rsa $_scriptfile root@localhost:
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ssh -p 2022 -i keys/id_rsa root@localhost "./$(basename $_scriptfile)"
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# stop the VM
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ssh -p 2022 -i keys/id_rsa root@localhost "nohup shutdown -h now &>/dev/null & exit"
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while kill -0 $(cat $_pidfile) 2> /dev/null; do echo -n . && sleep 5; done && echo
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rm -f $_pidfile
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# cleanup
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umount ${_loopdev}p1
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losetup -d $_loopdev
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rm -rf $_bootdir
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rm $_scriptfile
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50
start.sh
50
start.sh
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#!/bin/bash
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IMAGE=${IMAGE:-armv7h.raw}
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set -eu
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_loopdev=$(sudo losetup -f --show $IMAGE)
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_builddir=build
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mkdir -p $_builddir
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_imagefile=$1
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_pidfile=$_builddir/qemu.pid
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_loopdev=$(sudo losetup -f --show $_imagefile)
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_bootdir=.boot
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# register a cleanup error handler
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function cleanup {
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test -f $_pidfile && (sudo kill -9 $(cat $_pidfile) || true)
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rm -f $_pidfile
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sudo umount ${_loopdev}p1
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sudo losetup -d $_loopdev
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rm -rf $_bootdir
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}
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trap cleanup EXIT
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trap cleanup ERR
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# start the VM
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mkdir -p $_bootdir
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sudo mount ${_loopdev}p1 $_bootdir
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qemu-system-arm \
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QEMU_AUDIO_DRV=none qemu-system-arm \
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-M vexpress-a9 \
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-m 1G \
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-dtb $_bootdir/dtbs/vexpress-v2p-ca9.dtb \
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-kernel $_bootdir/zImage \
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--append "root=/dev/mmcblk0p2 rw roottype=ext4 console=ttyAMA0" \
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-drive if=sd,driver=raw,cache=writeback,file=$IMAGE \
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--nographic \
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-snapshot
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-drive if=sd,driver=raw,cache=writeback,file=$_imagefile \
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-display none \
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-net user,hostfwd=tcp::2022-:22 \
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-net nic \
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-daemonize \
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-snapshot \
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-pidfile $_pidfile
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# wait for ssh to be up
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_sshopts="-o StrictHostKeyChecking=no -o ConnectTimeout=5"
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while ! ssh -p 2022 -i keys/id_rsa root@localhost $_sshopts true 2>/dev/null; do
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echo -n . && sleep 5
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done && echo
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# open a session
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ssh -p 2022 -i keys/id_rsa root@localhost
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# shutdown the VM
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ssh -p 2022 -i keys/id_rsa root@localhost "nohup shutdown -h now &>/dev/null & exit"
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while sudo kill -0 $(cat $_pidfile) 2> /dev/null; do echo -n . && sleep 5; done && echo
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rm -f $_pidfile
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# cleanup
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sudo umount ${_loopdev}p1
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sudo losetup -d $_loopdev
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rm -rf $_bootdir
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