Python selector fix/install (Cpanel/WHM)

Procedure

1. Access the server’s command line as the ‘root’ user via SSH or “Terminal” in WHM.
2. Install the alt-python packages.
   • CloudLinux 6/7
     yum groupinstall alt-python -y
   • CloudLinux 8/9
     dnf groupinstall alt-python -y
3. Install the lvemanager, lve-utils, and alt-python-virtualenv packages.
   • CloudLinux 6/7
     yum install lvemanager lve-utils alt-python-virtualenv -y
   • CloudLinux 8/9
     dnf install lvemanager lve-utils alt-python-virtualenv -y
4. Install the passenger module.
   • CloudLinuxOS 6
     yum install ea-ruby24-mod_passenger -y
   • CloudLinuxOS 7
     yum install ea-ruby27-mod_passenger -y
   • CloudLinux 8
     dnf install ea-ruby27-mod_passenger -y
   • CloudLinux 9
     dnf install ea-apache24-mod-passenger -y
     
     Source: https://support.cpanel.net/hc/en-us/articles/1500007538481-How-to-install-Python-Selector-for-use-with-cPanel-on-a-CloudLinux-server-from-the-command-line