Package alt-ruby not installed. Install Cloudlinux Ruby Selector for cPanel WHM

💎 How to Install Ruby Selector on cPanel (CloudLinux)

If you're seeing this error:

"Package alt-ruby not installed. Install Ruby Selector for cPanel"

…it means the Ruby Selector is not yet configured on your CloudLinux + cPanel server.

This guide walks you through installing the necessary packages for Ruby Selector to work properly with EasyApache 4 (EA4) on CloudLinux.

🌐 Environment:

• ✅ cPanel/WHM (EA4)

• ✅ CloudLinux OS (v7, v8, or v9)

• ❌ Ruby Selector not active or alt-ruby missing

🛠️ Solution: Install Ruby Selector Packages

📦 Step 1: Install Core Ruby Selector Packages

Run the following as root:

📦 Step 2: (If Needed) Install Additional alt-ruby Packages

If Ruby Selector still doesn't show up, run:

This ensures all alternate Ruby versions and supporting libraries are installed into CageFS.

⚠️ Important Notes on Compatibility

🧾 Choose the correct Passenger module based on your CloudLinux OS version:

✅ After Installation:

• Log into cPanel

• Navigate to Setup Ruby App

• Create and manage your Ruby environments with ease 🎉