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Installation for Linux (Ubuntu, Debian, Raspberry Pi)

These instructions are tested working on:
✔️ Ubuntu 20.04
✔️ Ubuntu 18.04
❌ Ubuntu 16.04 (fails when starting the http server uvicorn main:app --host=0.0.0.0)
✔️ Debian 10
❌ Debian 9   (fails at pip install -r requirements.txt error: Could not find a version that satisfies the requirement fastapi (from -r requirements.txt (line 2)) (from versions: )

1. Setup required environment variables

export <ENV>=<VALUE>

You will need the following:

export ADMIN_USERNAME=admin
export ADMIN_PASSWORD=admin

Make it permanent with putting it in bashrc Refer to the list in the main readme file.

2. Install Depedencies

Python

sudo apt-get update && sudo apt-get install git python3 python3-pip python3-venv -y

Node.JS

# Using Ubuntu
curl -fsSL https://deb.nodesource.com/setup_14.x | sudo -E bash -
sudo apt-get install -y nodejs

# Using Debian, as root
curl -fsSL https://deb.nodesource.com/setup_14.x | bash -
apt-get install -y nodejs

WireGuard: Ubuntu

18.04 and later

sudo apt update && sudo apt install wireguard wireguard-tools -y

16.04 and earlier

sudo add-apt-repository ppa:wireguard/wireguard -y
sudo apt install wireguard wireguard-tools -y

WireGuard: Debian 10/Raspberry Pi (with Raspbian 10)

# Get signing keys to verify the new packages, otherwise they will not install
sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 04EE7237B7D453EC 648ACFD622F3D138

# Add the Buster backport repository to apt sources.list
echo 'deb http://httpredir.debian.org/debian buster-backports main contrib non-free' | sudo tee -a /etc/apt/sources.list.d/debian-backports.list

sudo apt update
sudo apt install wireguard wireguard-tools -y

WireGuard: Debian 9/Raspberry Pi (with Raspbian 9)

# Get signing keys to verify the new packages, otherwise they will not install
sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 04EE7237B7D453EC 648ACFD622F3D138

echo "deb http://deb.debian.org/debian/ unstable main" | sudo tee -a /etc/apt/sources.list.d/unstable.list

sudo apt update
sudo apt install wireguard wireguard-tools -y

3. Building front-end

# Building frontend
git clone https://github.com/perara/wg-manager.git
cd wg-manager/wg-manager-frontend
npm install --unsafe-perm > /dev/null && npm install @angular/cli > /dev/null
node_modules/@angular/cli/bin/ng build --configuration="production"

One thing to be aware of is that when issuing the sudo node_modules/@angular/cli/bin/ng build --configuration="production" command, if you do not have enough memory on your server, the process will get "Killed". This is likely to happen when trying to compile on the lowest machines with less than 1.5GB of memory. To get around this you can either add more memory or create a swap file. Here is a great guide on creating a swap file.

4. Setup back-end

mv dist ../wg-manager-backend/build
cd ../wg-manager-backend/
python3 -m venv venv && source venv/bin/activate
pip3 install -r requirements.txt
pip3 install uvicorn
uvicorn main:app --host=0.0.0.0

5. Complete

You should now see the following

#INFO:     Started server process [259296]
#INFO:     Waiting for application startup.
#INFO:     Application startup complete.
#INFO:     Uvicorn running on http://0.0.0.0:8000 (Press CTRL+C to quit)

6. Troubleshooting tips

Default routing not working?

Try these.

PostUp iptables -A FORWARD -i %i -j ACCEPT; iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE; ip6tables -A FORWARD -i %i -j ACCEPT; ip6tables -t nat -A POSTROUTING -o eth0 -j MASQUERADE

PostDown iptables -D FORWARD -i %i -j ACCEPT; iptables -t nat -D POSTROUTING -o eth0 -j MASQUERADE; ip6tables -D FORWARD -i %i -j ACCEPT; ip6tables -t nat -D POSTROUTING -o eth0 -j MASQUERADE

Debain 10 wg0 won't start

When you try to start wg0 from the web interface, you may see on your terminal session: RNETLINK answers: Operation not supported. Unable to access interface: Protocol not supported

This can sometimes be fixed with sudo apt upgrade

To fix this, we need to reconfigure the Kernel module. In some cases, the following commands will fix your issue:

dpkg-reconfigure wireguard-dkms
modprobe wireguard

You may get an error on the first command

Module build for kernel 4.19.0-10-cloud-amd64 was skipped since the
kernel headers for this kernel does not seem to be installed.

We'll need to install the Kernel headers.

Find out which Kernel we are already on

uname -r

Search if your Kernel headers are in the repositories.

apt search linux-headers-$(uname -r)

If so then install them:

apt install linux-headers-$(uname -r)

If not, we'll need to upgrade your Kernel. My Kernel was 4.19.0.10 so I did a search for 4.19.0 and found 4.19.0.11. This will be a minnor release so nothing to be too worried about.

apt search linux-headers-*

Install the new Kernel and Reboot

apt install linux-image-4.19.0-11-cloud-amd64
reboot

Install the headers for your Kernel

apt install linux-headers-4.19.0-11-cloud-amd64

Reconfigure your dkms module and load it.

dpkg-reconfigure wireguard-dkms
modprobe wireguard