Citadel is an open source groupware server that provides email, calendaring, address books, bulletin board, instant messaging, and more. In this tutorial, we will show you how to install Citadel on Ubuntu Server.
Before starting the installation process, it is recommended to update and upgrade the Ubuntu server packages to their latest version using the following command:
sudo apt-get update && sudo apt-get upgrade -y
Citadel requires several dependencies to be installed on the server. Run the following command to install them:
sudo apt-get install gcc make libssl-dev libdb-dev automake autoconf libtool libncurses5-dev libidn11-dev libwrap0-dev libpam0g-dev libgdbm-dev libexpat-dev libdb5.3-dev bison flex libical-dev libical3
Follow the below steps to download and install Citadel on Ubuntu Server:
Download the latest stable release of Citadel from the following link: https://www.citadel.org/doku.php/downloads.
Extract the Citadel archive file:
tar -zxvf citadel-latest.tar.gz
cd citadel
./configure
make
sudo make install
The next step is to configure and start the Citadel server.
sudo /usr/local/citadel/setup
Follow the setup instructions to configure the Citadel server. You will be prompted to enter the domain name and administrator email address.
Start the Citadel server:
sudo systemctl start citadel
sudo systemctl status citadel
The output should show "active (running)".
In this tutorial, you learned how to install Citadel on Ubuntu Server. You can now use Citadel to manage your email, calendars, address book, bulletin board, and more.
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