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Installing CageFS On CloudLinux

CageFS is a virtualized file system and collection of tools that allows each user to be contained in their own ‘cage.’ Each customer will have their own completely working CageFS, complete with all system files, tools, and so on. The purpose of installing CageFS is to make the user’s account as well as the servers more secure.

In this article, we will see how to install CageFS on the CloudLinux environment.

Prerequisites

• Apache/LiteSpeed web server
• 7GB free disk memory
• Kernel: CL5 with lve0.8.54 or later, CL6 with lve1.2.17.1 or later, CL7
• 8MB per customer in /var directory
• 5GB to 20GB in /usr/share directory

How to install CageFS?

1. We have to run the below commands to install CageFS on CloudLinux.

yum install cagefs
/usr/sbin/cagefsctl --init

2. The final command will create the skeleton directory, which takes up around 7GB of disc space, so if we don’t have free disc space on /usr/share, we may use the following option to create a new temporary directory:

mkdir /home/cagefs-skeleton
ln -s /home/cagefs-skeleton /usr/share/cagefs-skeleton

How to install CageFS with cPanel?

In the field of shared web hosting, cPanel servers are the most popular. We can install CageFS on the CloudLinux environment using cPanel by navigating to WHM >> Server Configuration >> Basic cPanel/WHM Setup >> Basic Config >> Additional home directories. Then set the value to blank. We have to do this to avoid new account creation at the wrong places by cPanel.

Enabling CageFS for all users

Once complete, a web interface will be available for managing CageFS users from cPanel (or other control panels such as Plesk, DirectAdmin, ISPmanager, and so on). This user interface allows us to enable or disable CageFS for certain users. We will get to this web interface by going to:

We may begin activating CageFS for all of the users from that GUI. CageFS may be enabled or disabled for the needed users through this web interface.

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Conclusion

With this post, we should be able to install CageFS on CloudLinux and enable CageFS for all system users via the WHM interface.