mirror of
https://github.com/nchevsky/systemrescue-zfs.git
synced 2025-12-06 07:12:01 +01:00
9a0e4acd16
Initializing the pacman key database during boot can take considerable time and there is no locking during this time against concurrent file access. This can lead to problems when installing packages soon after reboot. This also speeds up the boot process. Additional disk space requirement is about 1 MByte. Fixes #290
107 lines
3.4 KiB
Bash
Executable file
107 lines
3.4 KiB
Bash
Executable file
#!/bin/bash
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set -e -u
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echo "customize_airootfs.sh started..."
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sed -i 's/#\(en_US\.UTF-8\)/\1/' /etc/locale.gen
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locale-gen
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ln -sf /usr/share/zoneinfo/UTC /etc/localtime
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cp -aT /etc/skel/ /root/
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# Permissions
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chmod 750 /root
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chmod 755 /etc/systemd/scripts/*
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# Configuration
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sed -i 's/#\(PermitRootLogin \).\+/\1yes\nAllowUsers root/' /etc/ssh/sshd_config
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sed -i 's/#\(PermitEmptyPasswords \).\+/\1no/' /etc/ssh/sshd_config
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sed -i "s/#Server/Server/g" /etc/pacman.d/mirrorlist
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sed -i 's/#\(Storage=\)auto/\1volatile/' /etc/systemd/journald.conf
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sed -i 's/#\(Audit=\)yes/\1no/' /etc/systemd/journald.conf
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sed -i 's/#\(HandleSuspendKey=\)suspend/\1ignore/' /etc/systemd/logind.conf
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sed -i 's/#\(HandleHibernateKey=\)hibernate/\1ignore/' /etc/systemd/logind.conf
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sed -i 's/#\(HandleLidSwitch=\)suspend/\1ignore/' /etc/systemd/logind.conf
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# PulseAudio takes care of volume restore
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ln -sf /dev/null /etc/udev/rules.d/90-alsa-restore.rules
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# config symlink
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mkdir /etc/sysrescue/
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ln -sf /run/archiso/config/sysrescue-effective-config.json /etc/sysrescue/sysrescue-effective-config.json
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# Services
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systemctl enable NetworkManager.service
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systemctl enable iptables.service
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systemctl enable ip6tables.service
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systemctl enable choose-mirror.service
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systemctl enable sshd.service
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systemctl enable sysrescue-initialize.service
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systemctl enable sysrescue-autorun.service
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systemctl enable qemu-guest-agent.service
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systemctl enable var-lib-pacman\\x2drolling-local.mount
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systemctl set-default multi-user.target
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# Mask irrelevant timer units (#140)
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systemctl mask atop-rotate.timer
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systemctl mask shadow.timer
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systemctl mask man-db.timer
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systemctl mask updatedb.timer
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# ldconfig ("Rebuild Dynamic Linker Cache") unnecessarily slows down boot some time after the release
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systemctl mask ldconfig.service
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# setup pacman signing key storage
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/usr/bin/pacman-key --init
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/usr/bin/pacman-key --populate
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rm -f /etc/pacman.d/gnupg/*~
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# Provide additional commands (using busybox instead of binutils to save space)
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ln -sf /usr/bin/busybox /usr/local/bin/ar
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ln -sf /usr/bin/busybox /usr/local/bin/strings
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# Cleanup
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find /usr/lib -type f -name '*.py[co]' -delete -o -type d -name __pycache__ -delete
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find /usr/lib -type f,l -name '*.a' -delete
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rm -rf /usr/lib/{libgo.*,libgphobos.*,libgfortran.*}
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rm -rf /usr/share/gtk-doc /usr/share/doc /usr/share/keepassxc/docs/*.pdf
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rm -rf /usr/share/keepassxc/translations
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rm -rf /usr/share/help/*/ghex/
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rm -rf /usr/share/gir*
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rm -rf /usr/include
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rm -rf /usr/share/man/man3
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# save some more space by removing large & unnecessary files
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rm -f /lib/modules/*/vmlinuz
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rm -f /usr/share/grub/themes/starfield/starfield.png
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# Cleanup XFCE menu
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sed -i '2 i NoDisplay=true' /usr/share/applications/{xfce4-mail-reader,xfce4-web-browser}.desktop
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sed -i "s/^\(Categories=\).*\$/Categories=Utility;/" /usr/share/applications/{geany,*ristretto*,*GHex*}.desktop
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# Remove large/irrelevant firmwares
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rm -rf /usr/lib/firmware/{liquidio,netronome,mellanox,mrvl/prestera,qcom}
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# Remove extra locales
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if [ -x /usr/bin/localepurge ]
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then
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echo -e "MANDELETE\nDONTBOTHERNEWLOCALE\nSHOWFREEDSPACE\nen\nen_US\nen_US.UTF-8" > /etc/locale.nopurge
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/usr/bin/localepurge
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fi
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# Update pacman.conf
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sed -i -e '/# ==== BEGIN sysrescuerepo ====/,/# ==== END sysrescuerepo ====/d' /etc/pacman.conf
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# Check for issues with binaries
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/usr/bin/check-binaries.sh
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# Customizations
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/usr/bin/updatedb
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# Packages
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pacman -Q > /root/packages-list.txt
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expac -H M -s "%-30n %m" | sort -rhk 2 > /root/packages-size.txt
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