131 lines
4.4 KiB
ReStructuredText
131 lines
4.4 KiB
ReStructuredText
.. highlight:: sh
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System Configuration
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======================
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.. contents:: Table of Contents
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:local:
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#. Set `mkinitcpio zfs hook scan path
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<https://github.com/archzfs/archzfs/blob/master/src/zfs-utils/zfs-utils.initcpio.install>`__::
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echo GRUB_CMDLINE_LINUX=\"zfs_import_dir=${INST_PRIMARY_DISK%/*}\" >> /mnt/etc/default/grub
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#. Generate list of datasets for `zfs-mount-generator
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<https://manpages.ubuntu.com/manpages/focal/man8/zfs-mount-generator.8.html>`__ to mount them at boot::
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# tab-separated zfs properties
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# see /etc/zfs/zed.d/history_event-zfs-list-cacher.sh
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export \
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PROPS="name,mountpoint,canmount,atime,relatime,devices,exec\
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,readonly,setuid,nbmand,encroot,keylocation"
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mkdir -p /mnt/etc/zfs/zfs-list.cache
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zfs list -H -t filesystem -o $PROPS -r rpool_$INST_UUID > /mnt/etc/zfs/zfs-list.cache/rpool_$INST_UUID
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sed -Ei "s|/mnt/?|/|" /mnt/etc/zfs/zfs-list.cache/*
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#. Generate fstab::
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echo bpool_$INST_UUID/$INST_ID/BOOT/default /boot zfs rw,xattr,posixacl 0 0 >> /mnt/etc/fstab
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for i in ${DISK[@]}; do
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echo UUID=$(blkid -s UUID -o value ${i}-part1) /boot/efis/${i##*/}-part1 vfat \
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x-systemd.idle-timeout=1min,x-systemd.automount,noauto,umask=0022,fmask=0022,dmask=0022 0 1 >> /mnt/etc/fstab
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done
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echo UUID=$(blkid -s UUID -o value ${INST_PRIMARY_DISK}-part1) /boot/efi vfat \
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x-systemd.idle-timeout=1min,x-systemd.automount,noauto,umask=0022,fmask=0022,dmask=0022 0 1 >> /mnt/etc/fstab
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if [ "${INST_PARTSIZE_SWAP}" != "" ]; then
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for i in ${DISK[@]}; do
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echo ${i##*/}-part4-swap ${i}-part4 /dev/urandom swap,cipher=aes-cbc-essiv:sha256,size=256,discard >> /mnt/etc/crypttab
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echo /dev/mapper/${i##*/}-part4-swap none swap defaults 0 0 >> /mnt/etc/fstab
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done
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fi
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By default, systemd will halt boot process if any entry in ``/etc/fstab`` fails
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to mount. This is unnecessary for mirrored EFI boot partitions.
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With the above mount options, systemd will skip mounting them at boot,
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only mount them on demand when accessed.
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#. Configure mkinitcpio::
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mv /mnt/etc/mkinitcpio.conf /mnt/etc/mkinitcpio.conf.original
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tee /mnt/etc/mkinitcpio.conf <<EOF
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HOOKS=(base udev autodetect modconf block keyboard zfs filesystems)
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EOF
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#. Enable DHCP on all ethernet ports::
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tee /mnt/etc/systemd/network/20-default.network <<EOF
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[Match]
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Name=en*
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Name=eth*
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[Network]
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DHCP=yes
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EOF
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systemctl enable systemd-networkd systemd-resolved --root=/mnt
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Customize this file if the system is not using wired DHCP network.
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See `Network Configuration <https://wiki.archlinux.org/index.php/Network_configuration>`__.
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Alternatively, install a network manager such as
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``NetworkManager``.
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#. Enable internet time sync::
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hwclock --systohc
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systemctl enable systemd-timesyncd --root=/mnt
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#. Interactively set locale, keymap, timezone, hostname and root password::
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rm -f /mnt/etc/localtime
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systemd-firstboot --root=/mnt --force --prompt --root-password=PASSWORD
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This can be non-interactive, see man page for details::
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rm -f /mnt/etc/localtime
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systemd-firstboot --root=/mnt --force \
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--locale="en_US.UTF-8" --locale-messages="en_US.UTF-8" \
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--keymap=us --timezone="Europe/Berlin" --hostname=myHost \
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--root-password=PASSWORD --root-shell=/bin/bash
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``systemd-firstboot`` has bugs for setting root password, reset it here::
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arch-chroot /mnt passwd
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#. Generate host id::
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zgenhostid -f -o /mnt/etc/hostid
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#. Ignore kernel updates::
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sed -i 's/#IgnorePkg/IgnorePkg/' /mnt/etc/pacman.conf
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sed -i "/^IgnorePkg/ s/$/ ${INST_LINVAR} ${INST_LINVAR}-headers zfs-${INST_LINVAR} zfs-utils/" /mnt/etc/pacman.conf
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Kernel will be updated manually. See `here <../1-zfs-linux.html#update-kernel>`__.
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#. Enable ZFS services::
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systemctl enable zfs-import-scan.service zfs-import.target zfs-mount zfs-zed zfs.target --root=/mnt
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#. Chroot::
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echo "INST_PRIMARY_DISK=$INST_PRIMARY_DISK
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INST_LINVAR=$INST_LINVAR
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INST_UUID=$INST_UUID
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INST_ID=$INST_ID
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INST_VDEV=$INST_VDEV" > /mnt/root/chroot
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echo DISK=\($(for i in ${DISK[@]}; do printf "$i "; done)\) >> /mnt/root/chroot
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arch-chroot /mnt bash --login
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cd ~
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#. Source variables::
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source /root/chroot
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#. Apply locales, change if needed::
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echo "en_US.UTF-8 UTF-8" >> /etc/locale.gen
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locale-gen
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#. `Add archzfs repo <../0-archzfs-repo.html>`__.
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