How to Install CKAN on Arch Linux

CKAN is an open-source data management system that helps organizations and governments manage and publish datasets. In this tutorial, we will guide you through the installation of CKAN on Arch Linux.

Prerequisites

Before starting, make sure that you have the following prerequisites:

• A user account with sudo or root access.
• Arch Linux up-to-date and installed.

Install Dependencies

The following dependencies are required to install CKAN on Arch Linux. Run the following command to install them:

sudo pacman -S python python-virtualenv python-psycopg2 python-lxml python-pygments python-pylons python2 python2-virtualenv python2-psycopg2 python2-lxml python2-pygments python2-pylons

Create CKAN User

Create a new ckan user to run the CKAN server:

sudo useradd -m -s /bin/bash ckan

Installing CKAN

Create a Python Virtual Environment

Next, create a Python virtual environment for CKAN:

sudo su - ckan
mkdir ~/ckan
cd ~/ckan
virtualenv --no-site-packages ckan

You can activate this virtual environment using the following command:

source ckan/bin/activate

Install CKAN

To install CKAN, clone the CKAN source code repository using git:

sudo pacman -S git
git clone https://github.com/ckan/ckan.git ckan_source
cd ckan_source

Now, install the CKAN requirements:

pip install -r requirements.txt

Configure CKAN

Now it's time to configure CKAN. Copy the development.ini file and create a new file named production.ini:

cp development.ini production.ini
sudo nano production.ini

Edit the file and configure the following parameters:

sqlalchemy.url = postgresql://ckanuser:ckanpassword@localhost/ckan

ckan.site_url = http://your-site-url

Save and close the file.

Initialize the Database

Create a PostgreSQL database and user for CKAN:

sudo pacman -S postgresql
sudo -u postgres psql
postgres=# CREATE USER ckanuser WITH PASSWORD 'ckanpassword';
postgres=# CREATE DATABASE ckan OWNER ckanuser;
postgres=# \q

Now, initialize the database:

paster db init -c production.ini

Start CKAN Server

Finally, start the CKAN server:

paster serve production.ini

CKAN server will start listening on port 5000 by default. Open the browser and navigate to http://your-site-url:5000 to verify the installation.

Conclusion

That's it! We have successfully installed CKAN on Arch Linux. CKAN is a powerful data management tool, and we hope this guide will help you to get started with CKAN.

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