Linux System Configuration

Description	Alpine	Arch	Debian	Void
Laptop Lid Switch Fix	/etc/elogind/logind.conf ... HandleLidSwitch=ignore ...	/etc/systemd/logind.conf ... HandleLidSwitch=ignore ...
Time Zone	ln -s /etc/zoneinfo/<Country>/<City> /etc/localtime	ln -s /usr/share/zoneinfo/<Country>/<City> /etc/localtime
Locale Availability	apk add musl-locales	${EDITOR} /etc/locale.gen; locale-gen
Locale Selection	/etc/profile.d/locale.sh LANG=en_US.UTF-8 LANGUAGE=en_US LC_COLLATE=POSIX LC_MESSAGES=C LC_CTYPE=en_US.UTF-8 LC_NUMERIC=en_US.UTF-8 LC_TIME=en_US.UTF-8 LC_MONETARY=en_US.UTF-8 LC_PAPER=en_US.UTF-8 LC_NAME=en_US.UTF-8 LC_ADDRESS=en_US.UTF-8 LC_TELEPHONE=en_US.UTF-8 LC_MEASUREMENT=en_US.UTF-8 LC_IDENTIFICATION=en_US.UTF-8	/etc/locale.conf LANG=en_US.UTF-8 LANGUAGE=en_US LC_COLLATE=POSIX LC_MESSAGES=C LC_CTYPE=en_US.UTF-8 LC_NUMERIC=en_US.UTF-8 LC_TIME=en_US.UTF-8 LC_MONETARY=en_US.UTF-8 LC_PAPER=en_US.UTF-8 LC_NAME=en_US.UTF-8 LC_ADDRESS=en_US.UTF-8 LC_TELEPHONE=en_US.UTF-8 LC_MEASUREMENT=en_US.UTF-8 LC_IDENTIFICATION=en_US.UTF-8
Keymap	setup-keymap	/etc/vconsole.conf KEYMAP=us FONT=Lat2-Terminus16	dpkg-reconfigure keyboard-configuration setupcon
Console Font	${EDITOR} /etc/conf.d/consolefont; rc-update add consolefont boot		dpkg-reconfigure console-setup
Hostname	echo "hostname" > /etc/hostname
Hosts	/etc/hosts # Static table lookup for hostnames. # See hosts(5) for details. 127.0.0.1 localhost.local.lan localhost ::1 localhost.local.lan localhost 127.0.1.1 hostname.local.lan hostname
Initramfs	${EDITOR} /etc/mkinitfs.conf; mkinitfs	/etc/mkinitcpio.conf ... # Open-source drivers MODULES+=(amdgpu i915 nouveau radeon) # Proprietary NVIDIA MODULES+=(nvidia nvidia_drm nvidia_modeset nvidia_uvm) # QEMU virtual machines MODULES+=(bochs_drm cirrus qxl virtio-gpu) ... HOOKS=(base udev autodetect) HOOKS+=(modconf block filesystems keyboard fsck) HOOKS+=(keymap consolefont) ... # Only for filesystems already compressed with zstd COMPRESSION="cat" ... mkinitcpio -P
User Creation	useradd -m -u <nnnn> -g users -G wheel,games,video,audio,optical,storage,scanner,power <username>
Passwords	passwd <username>
Package Manager		/etc/pacman.conf ... # If using ArchZFS, sometimes ArchZFS is behind Official Arch IgnorePkg = <kernel> <kernel>-headers zfs-<kernel> zfs-utils ... # Misc options ILoveCandy #UseSyslog Color #NoProgressBar CheckSpace #VerbosePkgLists ParallelDownloads = 5 ... [multilib] Include = /etc/pacman.d/mirrorlist ... [archzfs] Include = /etc/pacman.d/archzfs-mirrorlist [zfs-<kernel>] # zfs-linux|zfs-linux-lts|zfs-linux-zen Server = http://kernels.archzfs.com/$repo/ [chaotic-aur] Include = /etc/pacman.d/chaotic-mirrorlist [andontie-aur] Server = https://aur.andontie.net/$arch /etc/pacman.d/archzfs-mirrorlist # France (origin) Server = http://archzfs.com/$repo/$arch # Germany/Duetschland Server = http://mirror.sum7.eu/archlinux/archzfs/$repo/$arch Server = https://mirror.biocrafting.net/archlinux/archzfs/$repo/$arch # India Server = https://mirror.in.themindsmaze.com/archzfs/$repo/$arch # United States Server = https://zxcvfdsa.com/archzfs/$repo/$arch # ArchZFS pacman-key --recv-key DDF7DB817396A49B2A2723F7403BD972F75D9D76 pacman-key --lsign-key DDF7DB817396A49B2A2723F7403BD972F75D9D76 # Andontie AUR pacman-key --recv-key B545E9B7CD906FE3 pacman-key --lsign-key B545E9B7CD906FE3 # Chaotic AUR (only needed if chaotic-keyring is not installed) pacman-key --recv-key 3056513887B78AEB pacman-key --lsign-key 3056513887B78AEB	For Debian: /etc/apt/sources.list deb http://deb.debian.org/debian <release> main contrib nonfree deb http://deb.debian.org/debian <release>-updates main contrib nonfree deb http://deb.debian.org/debian <release>-security main contrib nonfree deb http://deb.debian.org/debian <release>-backports main contrib nonfree deb-src http://deb.debian.org/debian <release> main contrib nonfree deb-src http://deb.debian.org/debian <release>-updates main contrib nonfree deb-src http://deb.debian.org/debian <release>-security main contrib nonfree deb-src http://deb.debian.org/debian <release>-backports main contrib nonfree For Ubuntu: /etc/apt/sources.list deb http://archive.ubuntu.com/ubuntu/ <release> main restricted universe multiverse deb http://archive.ubuntu.com/ubuntu/ <release>-updates main restricted universe multiverse deb http://archive.ubuntu.com/ubuntu/ <release>-security main restricted universe multiverse deb http://archive.ubuntu.com/ubuntu/ <release>-backports main restricted universe multiverse deb http://archive.canonical.com/ubuntu <release> partner deb-src http://archive.ubuntu.com/ubuntu/ <release> main restricted universe multiverse deb-src http://archive.ubuntu.com/ubuntu/ <release>-updates main restricted universe multiverse deb-src http://archive.ubuntu.com/ubuntu/ <release>-security main restricted universe multiverse deb-src http://archive.ubuntu.com/ubuntu/ <release>-backports main restricted universe multiverse deb-src http://archive.canonical.com/ubuntu <release> partner To enable multilib on Debian-based distros: dpkg --add-architecture i386
NanoRC	/etc/nanorc set boldtext set casesensitive set constantshow set locking set whitespace "»·" set titlecolor bold,lightwhite,blue set promptcolor lightwhite,lightblack set statuscolor bold,lightwhite,green set errorcolor bold,lightwhite,red set spotlightcolor black,lime set selectedcolor lightwhite,magenta set stripecolor ,yellow set scrollercolor cyan set numbercolor cyan set keycolor cyan set functioncolor green include /usr/share/nano/*.nanorc include /usr/share/nano-syntax-highlighting/*.nanorc /root/.nanorc set titlecolor bold,lightwhite,magenta set promptcolor black,yellow set statuscolor bold,lightwhite,magenta set errorcolor bold,lightwhite,red set spotlightcolor black,orange set selectedcolor lightwhite,cyan set stripecolor ,yellow set scrollercolor magenta set numbercolor magenta set keycolor lightmagenta set functioncolor magenta
sudo	echo '%wheel ALL=(ALL) ALL' > /etc/sudoers.d/0_privilege echo '%users ALL=(ALL) NOPASSWD:/usr/bin/dmidecode -t 17' > /etc/sudoers.d/dmidecode echo 'Defaults passprompt="[sudo] password for %U: "' > /etc/sudoers.d/prompt echo 'Defaults rootpw' > /etc/sudoers.d/rootpw
PolicyKit rootpw	/etc/polkit-1/rules.d/49-rootpw_global.rules // Always authenticate Admins by prompting for the root password // similar to the rootpw option in sudo polkit.addAdminRule(function(action, subject) { return ["unix-user:root"]; });		/etc/polkit-1/localauthority.conf.d/49-rootpw_global.rules // Always authenticate Admins by prompting for the root password // similar to the rootpw option in sudo polkit.addAdminRule(function(action, subject) { return ["unix-user:root"]; });
Sticky bit directories	/etc/sysctl.d/stickybit.conf # Allow the creation regular files in world-writable sticky directories # when the file owner doesn't match that of the directory fs.protected_regular=0
NTP Client ([Open]NTP)	/etc/ntpd.conf server [server1] server [server2] server [server3] restrict default kod limited nomodify nopeer noquery notrap restrict 127.0.0.1 restrict ::1 driftfile /var/lib/ntp/ntp.drift
NTP Client (systemd-timesyncd)		/etc/systemd/timesyncd.conf ... [Time] NTP=[your-local-server] FallbackNTP=[closest-remote-server] ... timedatectl set-ntp true
NTP Server	/etc/ntpd.conf server [server1] server [server2] server [server3] server 127.127.1.0 fudge 127.127.1.0 stratum 10 restrict default kod nomodify notrap noquery restrict 192.168.10.0 mask 255.255.255.0 kod nomodify notrap restrict 127.0.0.1 restrict ::1 driftfile /var/lib/ntp/ntp.drift
Plymouth		cd /usr/share/plymouth cp arch-logo.png themes/spinner/watermark.png cd themes cp -r <theme> <theme>-custom cd <theme>-custom mv <theme>.plymouth <theme>-custom.plymouth /usr/share/plymouht/themes/<theme>-custom/<theme>.plymouth ... WatermarkHorizontalAlignment=.5 WatermarkVerticalAlignment=.6 ... /etc/plymouth/plymouth.conf ... Theme=<theme>-custom ... /etc/sysctl.d/20-quiet-printk.conf kernel.printk = 3 3 3 3 setterm -cursor on >> /etc/issue /etc/mkinitcpio.conf ... HOOKS=(...udev plymouth autodetect...) ... mkinitcpio -P
SMARTd	/etc/smartd.conf ... DEVICESCAN -n standby,15,q -s (S/../.././02) ...
Limit Logs		/etc/systemd/journald.conf ... SystemMaxUse=64M ...
Reduced service timeout		/etc/systemd/system.conf ... DefaultTimeoutStartSec=30s DefaultTimeoutStopSec=15s ...
systemd-resolved local host name resolution		/etc/nsswitch.conf ... hosts: files mymachines myhostname resolve dns ... /etc/systemd/resolved.conf ... Domains=your.local.domain ...
systemd-resolved with avahi		/etc/systemd/resolved.conf ... MulticastDNS=no ...
Default Editor	/etc/profile.d/editor.sh export EDITOR=nano
Video Acceleration	/etc/profile.d/video-accel.sh #!/usr/bin/env sh gmn() { lscpu | grep Model: | sed 's/\s\+//g' | cut -d: -f2 } case "$(lsmod)" in *amdgpu*) ldn=radeonsi; vdn=$ldn;; i915*) [ $(gmn) -gt 60 ] && ldn=iHD || ldn=i965; vdn=va_gl;; *nouveau*) ldn=nouveau; vdn=$ldn;; *nvidia*) ldn=vdpau; vdn=nvidia;; esac [ -n "$ldn" ] && export LIBVA_DRIVER_NAME=$ldn [ -n "$vdn" ] && export VDPAU_DRIVER=$vdn