Katello is an open source content management software. It also perform provisioning and configuration task using foreman. In other words we can say Katello is the open source Satellite Server which can push updates to its register Linux Servers or clients. In fact it is a lifecycle management plugin to Foreman which handles subscription, and repository management.
You'll need a CentOS 7 server with atleast 8 GB RAM and 2 CPU cores to follow this guide for installing Katello 3.2 on your server. You'll need root user privileges over the server. You can switch from non root user to root user using sudo -i command.
It is highly recommended to install Katello on a freshly updated server so run following command to upgrade available packages and update your system.
yum -y update
Set Hostname and Firewall Rules
First of all you'll have to set hostname using hostnamectl command and then change firewall rules to meet Katello requirements. Run following command to set hostname as shown below.
hostnamectl set-hostname "katello.example.com"
You may need to update /etc/hosts file in case you don’t have your own DNS Server. Use following command to do so.
Katello requires some repositories to be set up before installation process so there are some repositories that here we are setting up for Katello. All you'll have to do is run these following commands one by one and they,ll do the job for you.
In above command replace Proxy-Server_Name_or_IP with the name of your proxy server or IPaddress of your server and replace specify password with a strong password.
Your installation of Katello 3.2 on your CentOS 7 server is completed now you can access it through web interface. Open up your favorite web browser and browse http://katello.example.com/ or https://YourIPaddress and you'll see a login page.
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