Updates and cleanup for Arch, RHEL, NixOS and Fedora
Signed-off-by: Maurice Zhou <ja@apvc.uk>
This commit is contained in:
Maurice Zhou
committed by
George Melikov
George Melikov
parent
5777295f0a
commit
2766cb7197
@@ -25,13 +25,6 @@ Workarounds have to be applied.
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echo 'export ZPOOL_VDEV_NAME_PATH=YES' >> /etc/profile.d/zpool_vdev_name_path.sh
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source /etc/profile.d/zpool_vdev_name_path.sh
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Note that ``sudo`` will not read ``/etc/profile`` and will
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not pass variables in parent shell. Consider setting the following
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in ``/etc/sudoers``::
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pacman -S --noconfirm --needed sudo
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echo 'Defaults env_keep += "ZPOOL_VDEV_NAME_PATH"' >> /etc/sudoers
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#. Pool name missing
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See `this bug report <https://savannah.gnu.org/bugs/?59614>`__.
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@@ -43,60 +36,51 @@ Workarounds have to be applied.
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sed -i "s|rpool=.*|rpool=\`zdb -l \${GRUB_DEVICE} \| grep -E '[[:blank:]]name' \| cut -d\\\' -f 2\`|" /etc/grub.d/10_linux
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Caution: this fix must be applied after every GRUB update and before generating the menu.
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Install GRUB
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~~~~~~~~~~~~~~~~~~~~
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#. Generate initrd::
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#. Create empty cache file and generate initrd::
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rm -f /etc/zfs/zpool.cache
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touch /etc/zfs/zpool.cache
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chmod a-w /etc/zfs/zpool.cache
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chattr +i /etc/zfs/zpool.cache
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mkinitcpio -P
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#. Create GRUB boot directory, in ESP and boot pool::
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mkdir -p /boot/efi/EFI/arch
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mkdir -p /boot/grub
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Boot environment-specific configuration (kernel, etc)
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is stored in ``/boot/grub/grub.cfg``, enabling rollback.
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#. When in doubt, install both legacy boot
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and EFI.
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#. If using legacy booting, install GRUB to every disk::
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for i in ${DISK}; do
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grub-install --boot-directory /boot/efi/EFI/arch --target=i386-pc $i
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grub-install --target=i386-pc $i
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done
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#. If using EFI::
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grub-install --boot-directory /boot/efi/EFI/arch --efi-directory /boot/efi/
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grub-install --boot-directory /boot/efi/EFI/arch --efi-directory /boot/efi/ --removable
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for i in ${DISK}; do
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efibootmgr -cgp 1 -l "\EFI\arch\grubx64.efi" \
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-L "arch-${i##*/}" -d ${i}
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done
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grub-install --target x86_64-efi
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grub-install --target x86_64-efi --removable
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for i in ${DISK}; do
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efibootmgr -cgp 1 -l "\EFI\arch\grubx64.efi" \
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-L "arch-${i##*/}" -d ${i}
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done
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#. Generate GRUB Menu::
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#. Generate GRUB Menu:
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grub-mkconfig -o /boot/efi/EFI/arch/grub/grub.cfg
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cp /boot/efi/EFI/arch/grub/grub.cfg /boot/grub/grub.cfg
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Generate menu::
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echo GRUB_CMDLINE_LINUX=\"zfs_import_dir=/dev/disk/by-id/\" >> /etc/default/grub
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grub-mkconfig -o /boot/grub/grub.cfg
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cp /boot/grub/grub.cfg /boot/efi/EFI/arch/
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#. For both legacy and EFI booting: mirror ESP content::
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ESP_MIRROR=$(mktemp -d)
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unalias -a
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cp -r /boot/efi/EFI $ESP_MIRROR
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for i in /boot/efis/*; do
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cp -r $ESP_MIRROR/EFI $i
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done
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Enable Secure Boot
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----------------------------
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This is optional. `See Arch Wiki article <https://wiki.archlinux.org/title/Secure_Boot>`__.
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rm -rf $ESP_MIRROR
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Finish Installation
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~~~~~~~~~~~~~~~~~~~~
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@@ -105,82 +89,11 @@ Finish Installation
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exit
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#. Take a snapshot of the clean installation for future use::
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zfs snapshot -r rpool_$INST_UUID/$INST_ID@install
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zfs snapshot -r bpool_$INST_UUID/$INST_ID@install
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#. Unmount EFI system partition::
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umount /mnt/boot/efi
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umount /mnt/boot/efis/*
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#. Export pools::
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zpool export bpool_$INST_UUID
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zpool export rpool_$INST_UUID
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umount -Rl /mnt
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zpool export -a
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#. Reboot::
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reboot
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Post installaion
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~~~~~~~~~~~~~~~~
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#. If you have other data pools, 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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DATA_POOL='tank0 tank1'
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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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for i in $DATA_POOL; do
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zfs list -H -t filesystem -o $PROPS -r $i > /etc/zfs/zfs-list.cache/$i
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done
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#. After reboot, consider adding a normal user::
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# with root permissions
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sudo -i
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# store user name in a variable
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myUser=UserName
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# rename default `User` to new user name
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zfs rename $(df --output=source /home | tail -n +2)/User $(df --output=source /home | tail -n +2)/${myUser}
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# update entry in fstab
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sed -i "s|/home/User|/home/${myUser}|g" /etc/fstab
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# add user
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useradd --no-create-home --user-group --home-dir /home/${myUser} --comment 'My Name' ${myUser}
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# delegate snapshot and destroy permissions of the home dataset to
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# new user
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zfs allow -u ${myUser} mount,snapshot,destroy $(df --output=source /home | tail -n +2)/${myUser}
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# fix permissions
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chown --recursive ${myUser}:${myUser} /home/${myUser}
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chmod 700 /home/${myUser}
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# set new password for user
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passwd ${myUser}
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Set up cron job to snapshot user home everyday::
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pacman -S cronie
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systemctl enable --now cronie
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crontab -eu ${myUser}
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#@daily zfs snap $(df --output=source /home/${myUser} | tail -n +2)@$(dd if=/dev/urandom of=/dev/stdout bs=1 count=100 2>/dev/null |tr -dc 'a-z0-9' | cut -c-6)
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zfs list -t snapshot -S creation $(df --output=source /home/${myUser} | tail -n +2)
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Install package groups::
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pacman -Sg # query package groups
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pacman -S 'gnome'
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pacman -S 'plasma'
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