Summary: We were not calling the script that sets the tmp file for setting the marker. Also, with this diff we try to restart the node-agent in case it is not running.

Test Plan: Manually verified by creating the universe on rhel9

Reviewers: anijhawan, nbhatia, skhilar

Reviewed By: anijhawan

Subscribers: yugaware

Differential Revision: https://phorge.dev.yugabyte.com/D40575