CloudLinux

Symptoms

The Backup Console displays an error in the backup activity: The SnapAPI kernel module is not loaded for the kernel 4.18.0-305.10.2.2.lve.el7h.x86_64 that is running in this system. Install the module for this kernel version, and then retry the backup.

Affected environment

CloudLinux 7-series (most typically this is CloudLinux release 7.9 (Boris Yegorov) using a so-called "hybrid kernel".

Description

  • You need to migrate a large number of cPanel hosts running on CloudLinux 6.10 or 7.9 to CloudLinux 8.x (e.g. CL8.5)
  • You would like to be able to continue using the same TIBX files and to keep using group plans/multi-machine plans applied to these hosts

Solution

Please follow the steps below to migrate:

1. Perquisites:

Symptoms

Installing or updating C21.11 or C21.12 agent on CloudLinux7.9 or CloudLinux8.5 (8.x) fails to (re)build snapapi26 and snumbd26 kernel modules. This happens after the latest updates to CloudLinux 7.9 and 8.5 (8.x in general).  trueimage-setup.log contains an error from DKMS about the use of deprecated feature: REMAKE_INITRD in the dkms.conf files of the agent's kernel modules.