[CentOS] CentOS 7 cloned VM cannot boot

On 3/5/2017 5:24 μμ, Nikolaos Milas wrote:

> Using the supergrub2 disk I can boot and login successfully. Otherwise 
> (i.e. directly) the box won't boot.

In the meantime, I also tried rescatux 
(https://sourceforge.net/projects/rescatux/) repair disk; it failed as 
well. The situation remains the same.

How can we fix this cloned CentOS 7 installation to become bootable?

Please advise!

Thanks,
Nick