Tutorial: How to Install Offen on Void Linux

Offen is an open-source alternative to commercial web analytics tools. It provides complete transparency and privacy to users by collecting and storing data locally on the server. Here is a step-by-step guide on how to install Offen on your Void Linux machine.

Prerequisites

A running Vodi Linux installation
A sudo user account
A basic knowledge of the Linux command line

Installation Process

Open a terminal on your Void Linux machine.
Update the package list using the following command:
```
sudo xbps-install -S
```
Install the required dependencies by running the following command:
```
sudo xbps-install -y go git zlib-devel
```
Clone Offen's source code by running the command:
```
git clone https://github.com/offen/offen.git
```
Move to the Offen directory:
```
cd offen
```
Use the following command to build the Offen binary:
```
go build -o offen cmd/server/main.go
```
Copy the generated binary file to your /usr/bin directory:
```
sudo cp offen /usr/bin/
```
Create a new user account named offen for running the Offen service:
```
sudo useradd -r -s /usr/bin/nologin offen
```

Create a configuration file named offen.toml in the /etc directory and add the following content:

[server]
domain = "localhost"
protocol = "http"
bind_address = "0.0.0.0:8080"
log_level = "INFO"

[postgres]
host = "localhost"
port = 5432
database = "offendb"
user = "offenuser"
password = "offensecret"

Create a database and user for Offen by running the following commands:

sudo -u postgres createdb offnedb
sudo -u postgres createuser --encrypted --no-inherit --no-adduser --login --no-createdb --no-createrole offenuser

Grant all permissions to the offenuser on offendb database:

sudo -u postgres psql offnedb
GRANT ALL PRIVILEGES ON DATABASE offnedb TO offenuser;

Set the ownership of the /etc/offen.toml file and its parent directory to the offen user:

sudo chown -R offen:offen /etc/offen.toml

Finally, start the Offen service using the following command:

sudo -u offen /usr/bin/offen

Once the service starts successfully, it will show a message similar to the following:

INFO[2021-11-01T12:59:07.843207538+01:00] Starting Server... addr=[0.0.0.0:8080] name=offen version=1.2.0

Congratulations! You have successfully installed and configured Offen on your Void Linux machine. You can now connect to the Offen dashboard by navigating to http://localhost:8080 in your web browser.