Reason 1:

free -m shows no available free memory.

Solution:

Clear the cache with following command, then install agent again.

sync && echo 3 > /proc/sys/vm/drop_caches.

Reason 2:

The installation process may be interrupted by SELinux, use the command sestatus to check its status.

Solution:

You can temporarily disable the SELinux with following command:

setenforce 0 

Then install the client, don’t forget to enable Selinux with following command after installation finished.

setenforce 1

Reason 3:

The installation process may be interrupted by SecureBoot. You can use following command to check the SecureBoot status:

mokutil --sb-state

Solution:

If the Secure Boot is enabled for the VM on VMware, uncheck the Secure Boot option.