# Arch Linux installation to serve as a docker host ###### guide-by-example ![logo](https://i.imgur.com/SkENpGn.png) # Purpose Linux that will run docker. This is not a hand hodling explaining guide how to install arch.
It's more of a checklist on what to do if you already done it and know what you are doing.
Google for plenty of tutorials and youtube videos alongside arch wiki. * [Official site](https://www.archlinux.org/) * [Arch wiki install guide](https://wiki.archlinux.org/index.php/installation_guide) * [Arch wiki docker entry](https://wiki.archlinux.org/index.php/docker) # Files and directory structure ``` /home/ └── bastard/ └── docker/ ├── container-setup #1 ├── container-setup #2 ├── ... ``` # Make installation usb [wiki](https://wiki.archlinux.org/index.php/USB_flash_installation_media) `sudo dd bs=4M if=archlinux-2020.05.01-x86_64.iso of=/dev/sdX status=progress oflag=direct` The above command will fuck your machine up if you dunno what you are doing. # Boot from the usb This is BIOS/MBR setup as I am running on an old thinkpad with a busted screen, plus I like the simplicity of it.
So if theres boot menu option choose non-uefi. # Installation * create a single partition and mark it bootable
`cfdisk -z /dev/sda` * build ext4 filesystem on it
`mkfs.ext4 /dev/sda1` * mount the new partition
`mount /dev/sda1 /mnt` * choose geographicly close mirror, `dd` deletes entire line in vim
`vim /etc/pacman.d/mirrorlist` * install the base system
`pacstrap /mnt base linux linux-firmware base-devel grub vim` * gnerate fstab
`genfstab -U /mnt > /mnt/etc/fstab` * chroot in to the new system
`arch-chroot /mnt` * install grub
`grub-install /dev/sda`
`grub-mkconfig -o /boot/grub/grub.cfg` * set password for root
`passwd` * remove the bootable media and restart the machine
`exit`
`reboot` # Basic configuration after the first boot * login as `root`
* set hostname
`echo docker-host > /etc/hostname` * add new user and set their password
`useradd -m -G wheel bastard`
`passwd bastard` * edit sudoers to allow users of the group wheel to sudo
`EDITOR=vim visudo`
*%wheel ALL=(ALL) ALL* * check the network interface name
`ip link` * set static IP using systemd-networkd and resolv.conf
`vim /etc/systemd/network/20-wired.network` ``` [Match] Name=enp0s25 [Network] Address=10.0.19.2/24 Gateway=10.0.19.1 ``` `vim /etc/resolv.conf` ``` nameserver 8.8.8.8 nameserver 1.1.1.1 ``` `systemctl enable --now systemd-networkd` No troublesome `systemd-resolved` in this setup. * uncomment desidred locales in locale.gen
`vim /etc/locale.gen`
* generate new locales and set one system wide
`locale-gen`
`localectl set-locale LANG=en_US.UTF-8` * select timezone and set it permanent
`tzselect`
`timedatectl set-timezone 'Europe/Bratislava'` * set hardware clock and sync using ntp
`hwclock --systohc --utc`
`timedatectl set-ntp true` * setup a swap file
`fallocate -l 8G /swapfile`
`chmod 600 /swapfile`
`mkswap /swapfile`
`vim /etc/fstab`
*/swapfile none swap defaults 0 0* * reboot
`reboot` # SSH, Docker, ZSH, AUR From now on its login as non-root user. ### Setup SSH access [wiki](https://wiki.archlinux.org/index.php/OpenSSH) * install openssh package
`sudo pacman -S openssh` * edit sshd_config
`sudo vim /etc/ssh/sshd_config`
*PasswordAuthentication yes* * enable sshd service
`sudo systemctl enable --now sshd` ### Setup docker [Wiki](https://wiki.archlinux.org/index.php/docker) * have `docker` and `docker-compose` packages installed
`sudo pacman -S docker docker-compose` * enable docker service
`sudo systemctl enable --now docker` * add non-root user to the docker group
`sudo gpasswd -a bastard docker` ### ZSH shell [wiki](https://wiki.archlinux.org/index.php/zsh) I like [Zim](https://github.com/zimfw/zimfw), it's the fastest zsh framework and out of the box setup nicely * install zsh and curl packages
`sudo pacman -S zsh git curl` * install zim, it changes users default shell to zsh
`curl -fsSL https://raw.githubusercontent.com/zimfw/install/master/install.zsh | zsh` * change the default shell to zsh
`chsh -s /bin/zsh` ##### Adding stuff to .zshrc `vim .zshrc` * `export EDITOR=vim` * for ctrl+f prepending sudo ```bash add_sudo (){ BUFFER="sudo $BUFFER" zle -w end-of-line } zle -N add_sudo bindkey "^f" add_sudo ``` ##### ZSH docker autocomplete [Here](https://docs.docker.com/compose/completion/#zsh). For zim it's "Without oh-my-zsh shell" section. ### Access to AUR Using [Yay](https://github.com/Jguer/yay). * install git package
`sudo pacman -S git` * install yay
`git clone https://aur.archlinux.org/yay-bin.git`
`cd yay-bin && makepkg -si`
`cd .. && rm -rf yay-bin`
`ctop-bin` and `inxi` are good AUR packages. # Extra stuff [wiki - general general recommendations](https://wiki.archlinux.org/index.php/general_recommendations)
[wiki - improving performance](https://wiki.archlinux.org/index.php/Improving_performance)
### Some packages Tools * `sudo pacman -S fuse curl wget vim nnn bind-tools borg python-llfuse` Monitoring and testing * `sudo pacman -S htop lm_sensors iotop nload powertop iproute2` ### Performance and maintenance * install cron and enable the service
`sudo pacman -S cronie`
`sudo systemctl enable --now cronie` * if ssd, enable periodic trim
`sudo pacman -S util-linux`
`sudo systemctl enable --now fstrim.timer` * set noatime in fstab to prevent unnecessary keep of read times
`sudo vim /etc/fstab`
*UUID=cdd..addb / ext4 rw,noatime 0 1* * enable use of all cpu cores for makepkg jobs and disable compression
`sudo vim /etc/makepkg.conf`
*MAKEFLAGS="-j$(nproc)"*
*PKGEXT='.pkg.tar'* * clean up old packages weekly, keep last 3
`sudo pacman -S pacman-contrib`
`sudo systemctl enable --now paccache.timer` * use reflector to get the fastes mirrors based on country `-c `
`sudo pacman -S reflector`
`sudo reflector -l 200 -n 20 -c SK -c CZ -p http --sort rate --save /etc/pacman.d/mirrorlist` ### Comfort * enable colors in pacman.conf
`sudo vim /etc/pacman.conf`
*Color* ### Notebook * control power events, lid close for example
`sudo vim /etc/systemd/logind.conf`
*HandleLidSwitch=ignore*