Imunify360 - Unable to Install on Ubuntu 20.04

Issue

Imunify360 cannot be installed on the server due to dependency issues with the following error:

[2021-09-28 15:04:04] The following packages have unmet dependencies:
[2021-09-28 15:04:04] imunify360-firewall : Depends: ai-bolit (>= 1:31.0.3-1) but it is not going to be installed
[2021-09-28 15:04:04] E: Unable to correct problems, you have held broken packages.
[2021-09-28 15:04:04] Package imunify360-firewall was not installed.

Environment

• Imunify360
• Ubuntu 20.04

Solution

In order to continue the installation, the libc6 version needs to be downgraded:

# apt install libc6=2.31-0ubuntu9.2

After that, the installation can be launched again.

# wget https://repo.imunify360.cloudlinux.com/defence360/i360deploy.sh -O i360deploy.sh
# bash i360deploy.sh --key YOUR_KEY

Useful links

• https://docs.imunify360.com/installation/#installation-instructions