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".


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.


  • You are trying to install Acronis Agent for Linux
  • Snapapi26 failed to build on the machine and you receive the following error message:
Error! Could not locate dkms.conf file.
File: /var/lib/dkms/snapapi26/0.8.8/source/dkms.conf does not exist.


There are leftovers after previous unsuccessful installation attempts.