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more nix stuff

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michael 2023-10-01 08:45:16 -07:00
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43
README.md
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# Michael's Homelab # Michael's Homelab
## Hosts ## Host List
| Host | OS | Services | ### Devices
| :--- | :--- | :------- |
| [Cuddlefish](cuddlefish/) | ![CentOS](https://img.shields.io/badge/centos%207-002260?style=for-the-badge&logo=centos&logoColor=F0F0F0) | Gitea |
| [Thonkpad](thonkpad/) (portable) | ![Fedora](https://img.shields.io/badge/Fedora-294172?style=for-the-badge&logo=fedora&logoColor=white) | Misc. Projects |
| [Rocktiplex](rocktiplex/) | ![Rocky Linux](https://img.shields.io/badge/-Rocky%20Linux%209-%2310B981?style=for-the-badge&logo=rockylinux&logoColor=white) | Fathom, Status Proxy, RSF Analytics |
| Cloud8 (under repair) | ![Rocky Linux](https://img.shields.io/badge/-Rocky%20Linux%209-%2310B981?style=for-the-badge&logo=rockylinux&logoColor=white) | NextCloud |
| [Backup](backup/) (off-site) | ![Ubuntu](https://img.shields.io/badge/Ubuntu-E95420?style=for-the-badge&logo=ubuntu&logoColor=white) | Backup Storage |
## SELinux Notes | Host | OS | Purpose / Services |
| :--- | :--- | :----------------- |
| [Thonkpad](thonkpad/) (portable) | ![Fedora](https://img.shields.io/badge/Fedora_37-294172?style=for-the-badge&logo=fedora&logoColor=white) | Misc. Projects |
| [Cuddlefish](cuddlefish/) | ![CentOS](https://img.shields.io/badge/centos_7-002260?style=for-the-badge&logo=centos&logoColor=F0F0F0) | Gitea |
| [Rocktiplex](rocktiplex/) | ![Rocky Linux](https://img.shields.io/badge/-Rocky%20Linux_9-%2310B981?style=for-the-badge&logo=rockylinux&logoColor=white) | Fathom, Status Proxy, RSF Analytics |
| Cloud8 (under repair) | ![Rocky Linux](https://img.shields.io/badge/-Rocky%20Linux_9-%2310B981?style=for-the-badge&logo=rockylinux&logoColor=white) | NextCloud |
### Virtualized Hosts
| VM | Kind | Machine | OS | Purpose / Services |
| :--- | :--- | :------ | :--- | :----------------- |
| [NixHost](thonkpad/nixhost/) | KVM | Thonkpad | ![NixOS](https://img.shields.io/badge/NIXOS-5277C3.svg?style=for-the-badge&logo=NixOS&logoColor=white) | NixOS Testbed |
### Off-site
| Host | Provider | OS | Purpose / Services |
| :--- | :------- | :--- | :----------------- |
| Backup1 | [TNAHosting](https://tnahosting.net/) | ![Ubuntu](https://img.shields.io/badge/Ubuntu_22.04_LTS-E95420?style=for-the-badge&logo=ubuntu&logoColor=white) | Docker Volume Backups |
## Docker
Most services are run as Docker containers.
### SELinux Notes
Docker volumes violate some SELinux policies. Use `setenforce 0` to disable it temporarily, or make the following permanent change to `/etc/sysconfig/selinux`: Docker volumes violate some SELinux policies. Use `setenforce 0` to disable it temporarily, or make the following permanent change to `/etc/sysconfig/selinux`:
@ -19,7 +36,7 @@ Docker volumes violate some SELinux policies. Use `setenforce 0` to disable it t
SELINUX=permissive SELINUX=permissive
``` ```
## Dockerized Cloudflared Notes ### Dockerized Cloudflared Notes
If a docker-compose file looks like this: If a docker-compose file looks like this:
@ -27,10 +44,10 @@ If a docker-compose file looks like this:
services: services:
gitea-server: gitea-server:
image: gitea/gitea:1.19.3 image: gitea/gitea:1.19.3
... # ...
gitea-cloudflared: gitea-cloudflared:
image: cloudflare/cloudflared image: cloudflare/cloudflared
... # ...
``` ```
Then in this case the name of the target service is `gitea-server`, and (per Docker's networking shenanigans), should be specified **directly by service name,** e.g. Then in this case the name of the target service is `gitea-server`, and (per Docker's networking shenanigans), should be specified **directly by service name,** e.g.
@ -39,7 +56,7 @@ Then in this case the name of the target service is `gitea-server`, and (per Doc
https://git.michaellisano.com -> http://gitea-server:3000 https://git.michaellisano.com -> http://gitea-server:3000
``` ```
## Backup Decryption Notes ## Backups
Everything is encrypted with [age](https://github.com/FiloSottile/age). Everything is encrypted with [age](https://github.com/FiloSottile/age).

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thonkpad/nixhost/configuration.nix Normal file
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# Edit this configuration file to define what should be installed on
# your system. Help is available in the configuration.nix(5) man page
# and in the NixOS manual (accessible by running `nixos-help`).
{ config, pkgs, ... }:
{
imports =
[ # Include the results of the hardware scan.
./hardware-configuration.nix
];
# Kernel options - text-only b/c QEMU
boot.kernelParams = [ "console=ttyS0" ];
# Use the GRUB 2 boot loader with BIOS ONLY.
boot.loader.grub.enable = true;
boot.loader.grub.device = "/dev/sda"; # or "nodev" for efi only
# NOTE: Because we are in a headless VM, removed:
# i18n, networking, X11, sound, CUPS/printing, touchpad
# Set your time zone.
# time.timeZone = "Europe/Amsterdam";
# Define a user account. Don't forget to set a password with ‘passwd’.
users.users.nixuser = {
isNormalUser = true;
home = "/home/nixuser";
extraGroups = [ "wheel" ]; # Enable ‘sudo’ for the user.
packages = with pkgs; [
python311
htop
bat
zsh
oh-my-zsh
starship
];
};
users.defaultUserShell = pkgs.zsh;
# List packages installed in system profile. To search, run:
# $ nix search wget
environment.systemPackages = with pkgs; [
neovim # Do not forget to add an editor to edit configuration.nix! The Nano editor is also installed by default.
wget
tree
neofetch
curl
];
# Some programs need SUID wrappers, can be configured further or are
# started in user sessions.
# programs.mtr.enable = true;
# programs.gnupg.agent = {
# enable = true;
# enableSSHSupport = true;
# };
programs.zsh = {
enable = true;
ohMyZsh = {
enable = true;
plugins = [ "git" ];
theme = "robbyrussell";
};
};
# List services that you want to enable:
# Enable the OpenSSH daemon.
services.openssh = {
enable = true;
settings.PubkeyAuthentication = true;
settings.PasswordAuthentication = false;
settings.PermitRootLogin = "no";
};
# Open ports in the firewall.
# networking.firewall.allowedTCPPorts = [ ... ];
# networking.firewall.allowedUDPPorts = [ ... ];
# Or disable the firewall altogether.
# networking.firewall.enable = false;
# Copy the NixOS configuration file and link it from the resulting system
# (/run/current-system/configuration.nix). This is useful in case you
# accidentally delete configuration.nix.
# system.copySystemConfiguration = true;
# This value determines the NixOS release from which the default
# settings for stateful data, like file locations and database versions
# on your system were taken. It's perfectly fine and recommended to leave
# this value at the release version of the first install of this system.
# Before changing this value read the documentation for this option
# (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
system.stateVersion = "23.05"; # Did you read the comment?
}