How to Install Citadel on NixOS Latest

Citadel is an open-source messaging and collaboration suite designed for small to medium-sized organizations. This tutorial will guide you through the process of installing Citadel on NixOS.

Prerequisites

Before proceeding with the installation, you will need:

• A NixOS Latest system with root access
• A stable internet connection
• Basic command-line skills

Step 1: Update the System

Before installing any new packages, it is essential to update the system's repositories and packages to ensure that you install the latest version.

$ sudo nix-channel --update
$ sudo nixos-rebuild switch

Step 2: Install Citadel

You can install Citadel directly from the NixOS repository using the following command.

$ sudo nix-env -iA nixos.citadel

This will install Citadel and all its dependencies on your system.

Step 3: Configure Citadel

Citadel comes with a configuration wizard that will help you set up your server with ease. You can start the configuration wizard by running the following command.

$ sudo /usr/lib/citadel-server/setup

This will display a prompt asking you to provide some basic information such as the domain name, server name, and port number. Once you have provided the required information, the configuration wizard will generate a configuration file that you can review and edit if required.

Step 4: Start the Citadel Server

To start the Citadel server, run the following command.

$ sudo systemctl start citadel

You can check if the server is running correctly by executing the following command.

$ sudo systemctl status citadel

If everything is fine, you will see the following message.

● citadel.service - Citadel Mail and Collaboration Server
   Loaded: loaded (/nix/store/c4n4zyhw7v4y895jg1br931gvabh6wpb-citadel-8.24.1/etc/systemd/system/citadel.service; enabled; vendor preset: enabled)
   Active: active (running) since Sun 2021-12-05 02:31:25 PST; 39s ago

Step 5: Access Citadel

Citadel has a web-based interface that you can access from any web browser. To access the Citadel web interface, open your favorite web browser and enter your server's IP address, followed by the port number you specified during the configuration.

http://<server_ip_address>:<port>

For example, if you specified port 2000 during the configuration, you would use the following URL.

http://<server_ip_address>:2000

Conclusion

Congratulations! You have successfully installed Citadel on NixOS Latest. You can now start exploring the various features and functionalities of Citadel and begin using it to collaborate with your team.

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