2020-08-22 17:44:39 +02:00
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# NixOS configuration
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## How to install
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This guide describes how to install this configuration (or any NixOS
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configuration) with GPT and legacy (BIOS) boot.
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2020-08-24 11:11:23 +02:00
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If you do not have a wired connection, first set up wifi
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wpa_passphrase "SSID" "PSK" | sudo wpa_supplicant -B -i wlp4s0 -c/dev/stdin
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2020-08-22 17:44:39 +02:00
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Create the partition table (enter the indented lines in the repl).
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sudo parted /dev/sdX
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mktable GPT
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mkpart primary 1MiB 2MiB
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mkpart primary 2MiB 500MiB
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mkpart primary 500MiB 100%
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set 1 bios_grub on
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disk_toggle pmbr_boot
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quit
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Format encrypted partition and open it
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sudo cryptsetup luksFormat /dev/sdX3
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sudo cryptsetup luksOpen /dev/sdX3 HOSTNAME-pv
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Create LVM (replace `8G` with desired swap size)
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sudo pvcreate /dev/mapper/HOSTNAME-pv
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sudo vgcreate HOSTNAME-vg /dev/mapper/HOSTNAME-pv
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sudo lvcreate -L 8G -n swap HOSTNAME-vg
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sudo lvcreate -l '100%FREE' -n root HOSTNAME-vg
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**Hint**: If you have to reboot to the installation system later because
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something went wrong and you need access to the LVM (but don’t know LVM), do
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the following after opening the luks partition: `sudo vgchange -ay`
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Create filesystems
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sudo mkfs.ext2 /dev/sdX2
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sudo mkfs.ext4 -L root /dev/HOSTNAME-vg/root
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sudo mkswap -L swap /dev/HOSTNAME-vg/swap
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Mount the file systems and activate swap
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sudo mount /dev/HOSTNAME-vg/root /mnt
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sudo mkdir /mnt/boot
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sudo mount /dev/sdX2 /mnt/boot
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sudo swapon /dev/HOSTNAME-vg/swap
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Create the configuration (see [below](#how-to-add-new-device)) and copy this
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repository to your new home directory (e.g. `/mnt/home/simon/nixos`).
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Add a symlink as the global configuration
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sudo mkdir -p /mnt/etc/nixos/
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sudo ln -s /mnt/home/simon/nixos/machines/nunotaba/configuration.nix /mnt/etc/nixos/configuration.nix
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Generate hardware configuration and link it to the installation system
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2020-08-24 11:19:15 +02:00
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(symlinking required because of absolute paths)
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2020-08-22 17:44:39 +02:00
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sudo nixos-generate-config --root /mnt/
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sudo ln -s /mnt/etc/nixos/hardware-configuration.nix /etc/nixos/hardware-configuration.nix
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Install NixOS and reboot (if you do not have another machine, omit
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`--no-root-passwd`)
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sudo nixos-install --no-root-passwd
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sudo reboot
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**Hint**: If you need to reboot to the installation system because something
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didn’t work, first open the luks partition like in the setup script, run `sudo
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vgchange -ay` to scan for LVM VGs and then mount the other filesystems like in
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the script.
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SSH into the machine (or login locally if you set a root password), fix the
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`configuration.nix` symlink, set a user password and clone the dotfiles
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ssh root@machine
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rm /etc/nixos/configuration.nix
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ln -s /home/simon/nixos/machines/nunotaba/configuration.nix /etc/nixos/configuration.nix
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passwd simon
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^D
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ssh simon@machine
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# press “q” to get rid of zsh-newuser-install
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git clone https://github.com/andsens/homeshick.git $HOME/.homesick/repos/homeshick
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source $HOME/.homesick/repos/homeshick/homeshick.sh
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homeshick clone https://git.sbruder.de/simon/dotfiles
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## How to add new device
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* Copy the config from the device that is similar to the new one
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* Import profiles/modules you want
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* Change settings in `configuration.nix`
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* Change secrets
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## License
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[MIT License](LICENSE)
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