Error: Invalid version flag: if on CloudLinux 7 Systems

Symptoms

Package updates on CloudLinux 7 operating systems fail with errors similar to the following:

* 2024-10-31 22:21:17 (7675) [INFO] Error: Invalid version flag: if
* 2024-10-31 22:21:17 (7675) [INFO] (XID dynaau) �/usr/bin/yum� reported error code �1� when it ended:
* 2024-10-31 22:21:17 (7692) [INFO]
* 2024-10-31 22:21:17 (7581) [INFO] Sending notification: Failed to update to CloudLinux 8

Description

This issue occurs when the wrong release file is installed on CloudLinux 7. 

Workaround

1.  Connect to the server via SSH as "root".

2. Reinstall the OS release file with the following command:

   rpm -Uhv --nodeps --force --ignoreos https://repo.cloudlinux.com/cloudlinux/7.9/os/x86_64/Packages/cloudlinux-release-7.9-1.el7.x86_64.rpm

3. Move any almalinux* repo files in /etc/yum.repos.d/out of the way:

   mv -vi /etc/yum.repos.d/almalinux-*{,.bkp}

4. Re-register the server in CLN:
   

   /usr/sbin/clnreg_ks --force