How to Install Authelia on Debian Latest

Authelia is an open source authentication and authorization server that can be used to secure access to web applications. In this tutorial, we will guide you through the installation of Authelia on Debian Latest:

Prerequisites

• A Debian Latest server with root access
• sudo access or logged in as the root user

Step 1: Update the System

Before starting the installation process, we need to update the system to ensure that we have the latest packages and dependencies installed.

To do this, simply run the following command:

sudo apt-get update && sudo apt-get upgrade

Step 2: Install Docker

Authelia requires Docker to be installed on the system. To install Docker on Debian, run the following commands:

sudo apt-get install apt-transport-https ca-certificates curl gnupg2 software-properties-common

curl -fsSL https://download.docker.com/linux/debian/gpg | sudo apt-key add -

sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/debian $(lsb_release -cs) stable"

sudo apt-get update && sudo apt-get install docker-ce docker-ce-cli containerd.io

This will install Docker on Debian.

Step 3: Install Authelia

Now that Docker is installed, we can proceed with the installation of Authelia.

To do this, create a directory called authelia in the /opt directory:

sudo mkdir /opt/authelia

Change to the /opt/authelia directory:

cd /opt/authelia

And download the latest Authelia Docker image by running:

sudo docker pull authelia/authelia

Step 4: Configure Authelia

Authelia can be configured using a YAML file. Create a file called config.yml using your preferred editor:

sudo nano /opt/authelia/config.yml

And paste the following contents:

authentication_backend:
  ldap:
    url: ldap://your-ldap-server.com
    user:
      base_dn: "dc=example,dc=com"
      filter: "(sAMAccountName={})"
    group:
      user_attr: "memberOf"
      group_base_dn: "ou=groups,dc=example,dc=com"
access_control:
  rules:
    # Example rule, requires all users to authenticate
    - domain: "example.com"
      resources:
        - uri: "/*"
      subject:
        user: "*"
    # Deny by default
    - domain: "*"
      resources:
        - uri: "/*"
      kind: deny

Change the url and base_dn values to match your LDAP configuration.

Save and exit the file.

Step 5: Start Authelia

To start Authelia, run the following command:

sudo docker run -p 8080:8080 -v $(pwd)/config.yml:/config.yml authelia/authelia

This will start Authelia and bind the server to port 8080.

You can now access Authelia by visiting http://your-server-ip:8080 in your web browser.

Conclusion

In this tutorial, we have shown you how to install Authelia on Debian Latest. We have also demonstrated how to configure Authelia and start the server.

Using Authelia as your authentication and authorization server will help you to secure your web applications and protect access to sensitive data.