CageFS is a virtualized file system and a vital security solution provided by CloudLinux. It isolates each user’s file system to prevent them from seeing or affecting others on a shared server. This isolation enhances security, preventing users from accessing sensitive information or exploiting vulnerabilities in other users’ applications. In this guide, we’ll walk you through the process of installing CageFS on your server.
Before you start the installation process, ensure that:
You have a server running CloudLinux.
You have root access to the server.
Your server meets the system requirements for CageFS.
Step-by-Step Installation Guide:
Step 1: Update Your System
Before installing CageFS, ensure that your system is up to date. Run the following commands:
2: Install CageFS
To install CageFS, use the CloudLinux Network repository. Run the following command:
Step 3: Enable CageFS
After installing CageFS, you need to enable it. Run the following command:
This command initializes CageFS, setting up the necessary files and directories.
Step 4: Add Users to CageFS
You need to specify which users should be placed inside CageFS. You can add all users or select specific ones. To add all users, run:
To add a specific user, use:
Replace <username> with the actual username you want to enable.
Step 5: Verify CageFS Installation
To verify that CageFS is installed and running correctly, use the following command:
This command checks the CageFS environment for common issues.
Step 6: Configure CageFS
You may want to configure CageFS according to your server’s requirements. Configuration files are located in the /etc/cagefs directory. The primary configuration file is cagefs.mp. Edit this file to add or remove directories that should be included or excluded from the CageFS environment.
Step 7: Update CageFS
Ensure that CageFS stays up to date with the latest security patches and features by regularly updating it. Run the following command to update CageFS:
Installing CageFS is a straightforward process that significantly enhances the security of your server by isolating users in their own virtualized environments. By following the steps outlined in this guide, you can successfully install and configure CageFS on your CloudLinux server. Regular updates and proper configuration will ensure that your server remains secure and optimized.