retiolum/README.md

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# **Retiolum tinc keys and hosts**
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## NixOS usage
If you are a flake user:
```nix
{
inputs = {
retiolum.url = "git+https://git.thalheim.io/Mic92/retiolum";
};
outputs = { retiolum, ... }: {
# Than include `retiolum.nixosModules.retiolum` nixos module in your nixos configurations
# To add the retiolum ssl certificate include `retiolum.nixosModules.ca`
}
}
```
First add your key to https://github.com/krebs/stockholm
Mic92's stockholm fork will than update this repository itself.
```nix
{
# lookup the ipv6 address from the generated text file ./hosts
networking.retiolum.ipv6 = "42:0:3c46:70c7:8526:2adf:0000:0000";
# optional
# networking.retiolum.ipv4 = "10.240.0.0";
}
```
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## VPN Setup
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1. Install **tinc** (e.g. Ubuntu : `sudo apt install tinc`, MacOS: `brew install tinc --devel`)
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2. Create the appropriate directory and perform the initial tinc startup
```
$ sudo mkdir /etc/tinc/retiolum
$ sudo tincd -K -n retiolum
$ sudo systemctl enable --now tinc@retiolum
```
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3. Provide the key generated in the previous step along with **{your_name}** (unique name for the machine) to @Mic92.
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You will get your respective IP addresses in return.
4. Create the tinc-up executable in the **/etc/tinc/retiolum** folder
```
$ echo '#!/usr/bin/env bash
curl https://retiolum.thalheim.io/tinc-hosts.tar.bz2 | tar -xjvf - -C /etc/tinc/retiolum/ || true
ip link set $INTERFACE up
ip addr add "Provided_IPv4_from_Step_3"/12 dev $INTERFACE
ip addr add "Provided_IPv6_from_Step_3"/16 dev $INTERFACE' > /etc/tinc/retiolum/tinc-up
$ chmod +x /etc/tinc/retiolum/tinc-up
```
5. Create (if it does not exist) the tinc configuration file
```
$ echo 'DeviceType = tun
Interface = tinc.retiolum
Name = {your_name_from_Step_3}
LocalDiscovery = yes
ConnectTo = gum
ConnectTo = ni
ConnectTo = prism
ConnectTo = eve
ConnectTo = eva
AutoConnect = yes' > /etc/tinc/retiolum/tinc.conf
```
6. Restart the vpn service
```
$ systemctl restart tinc@retiolum
```
You should retrieve hosts' information after the restart.
The hosts folder should appear in /etc/tinc/retiolum
The list of the hosts is also available here : https://retiolum.thalheim.io/etc.hosts
## SSH Setup
1. Generate an ssh key-pair or provide an already existing public ssh key to one of the authorised users.
2. One of the authorised users should add/modify the user's information in **/modules/users.nix** (https://github.com/Mic92/doctor-cluster-config)
3. Push the change to the repository
4. Log in to **rose**, pull the update(s) (if it's not done in the machine itelf)
5. Get in **/etc/nixos/** directory and run the script **./update-all.sh**
```
$ cd /etc/nixos
$ ./update-all.sh
```