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README.md
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README.md
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# My nixos flake
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This is my nixos configuration.
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# If your nix config is so great why isn't there a nix config tw-
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Second iteration of my nix config. Got tired of the old one not quite working how i liked on my desktop (mainly impermanence not working without disk encryption enaled)
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# Installation
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To install either run the following script, or follow the instructions.
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```sh
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curl https://gitlab.com/SpoodyTheOne/nixos-config/-/raw/master/install.sh -o install.sh
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sudo chmod +x install.sh
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./install.sh
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```
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## Disko partitioning
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### Finding your disk
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run `lsblk` to find the name of your drive. In my case it was `/dev/nvme0n1` but other names it can have are `/dev/sd[a-z]` or `/dev/vd[a-z]` if you are installing on a virtual machine.
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### Acquire disko config
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run
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```sh
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curl https://gitlab.com/SpoodyTheOne/nixos-config/-/raw/master/modules/disko/disko-luks.nix -o /tmp/disko.nix
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```
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to download the latest version of my disko config
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### Run disko partitioning
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This will run my disko config and partition your disk.
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> [!WARNING]
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> This command will erase all data on the chosen disk. Make sure you partition the correct disk and that you've backed up anything important on it
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The command to run the config is
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```sh
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sudo nix --experimental-features "nix-command flakes" \
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run github:nix-community/disko -- \
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--mode disko /tmp/disko.nix \
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--arg device '"<YOUR DISK HERE>"' \
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--arg swap-size '"<eg. 8G>"'
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```
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> [!NOTE]
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> The swap size can be any number suffixed with the standard K,M,G for gigabytes and such.
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During the installation you will be prompted for a password. This is the password used for unencrypting your disk every time you boot.
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You will be prompted twice, once to lock it, and then again to unlock it.
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The device will now be mounted on `/mnt` and should contain the following structure
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- /persist
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- /boot
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- /nix
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## Generate configuration
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You need to generate the `hardware-configuration.nix` file for your system.
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To do this run
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```sh
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sudo nixos-generate-config --no-filesystems --root /mnt
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```
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This will generate a folder called `/mnt/etc/nixos` with the hardware configuration file in it.
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Next step is to move `hardware-configuration.nix` into `/tmp` and then clone the git repo to `/etc/nixos`
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```sh
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nix-shell -p git # For the git command
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sudo mv /mnt/etc/nixos/hardware-configuration.nix /tmp # Move configuration away
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sudo rm -rf /mnt/etc/nixos # Nuke config folder so we can clone
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sudo git clone https://gitlab.com/SpoodyTheOne/nixos-config.git /mnt/etc/nixos # Clone config
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```
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## Configuring config
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Start by replacing the bootstrap hosts hardware-configuration with your own
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```sh
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# Move hardware configuration
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sudo mv /tmp/hardware-configuration.nix /mnt/etc/nixos/hosts/bootstrap
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# go to /etc/nixos
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cd /mnt/etc/nixos
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# Add hardware configuration to git for nix to recognize it
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sudo git add .
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```
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## Configure users
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Go to `/mnt/etc/nixos/flake.nix` and change the config for the bootstrap host disko module to have the same settings you used for setting up your disk.
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```sh
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sudo vim /mnt/etc/nixos/flake.nix
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```
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## Install
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Now that everything is configured run
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```sh
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# Copy configuration to permanent storage so its not nuked on reboot
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sudo cp -r /mnt/etc/nixos /mnt/persist
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sudo nixos-install --root /mnt --flake /mnt/etc/nixos#bootstrap
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```
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to install everything and then reboot.
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## After reboot
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After the reboot you will be prompted for your disk password. After inputting it the system will boot as normal.
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Once booted log in using the user `bootstrap` and the password `1234`.
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Next step, modify the bootstrap host configuration to enable impermanence and change the user and password. Then rebuild and reboot
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```sh
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cd /persist/nixos
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sudo vim hosts/bootstrap/configuration.nix
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```
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in the config go to imports and uncomment this block
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```nix
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# UNCOMMENT AFTER REBOOT
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# Delete unwanted files
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# (import ../../modules/disko/delete-on-boot.nix {
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# inherit lib;
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# persistExtraDirectories = [ ];
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# persistExtraFiles = [ ];
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# })
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```
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Futher down in the file theres a line that says `users.users."bootstrap"`. Modify the string to your desired username and change the following lines in the user
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```sh
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# Generate a password and place the output in a file
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mkpasswd > /tmp/passwd
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```
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Then in vim read the contenst of the password into the hashedPassword field
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```vim
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:read /tmp/passwd
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```
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The end result should look something like this
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```diff
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- initialPassword = "1234";
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+ hashedPassword = "$y$j9T$TK08gB8eSmQdGaS2Gfiex/$L2moQMRxYDEiuEeql/MidoQhFBAJC1qnOTx7ChpAOtC"';
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```
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Move `/persist/nixos/` to `/etc/nixos` and rebuild. Then the installation will be done
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```sh
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sudo mv -r /persist/nixos /etc
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```
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Then rebuild
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```sh
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sudo nix-rebuild switch --flake /persist/nixos#bootstrap
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reboot
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```
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Don't worry about all the errors that occur during the rebuild. This only happens the first time after switching to impermanence
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# Post Installation
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Once you've installed you're free to create a new host and modify it to your hearts content. You can base it off of my laptop host, it has a lot of nice things
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My config includes an alias for rebuilding the system called `nix-rebuild` for fast iterations
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# Update
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In order to update the flake inputs simply run
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```sh
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cd /etc/nixos
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nix flake update
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```
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## AAAAAa
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dont use this. *yet*
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