is manual upgrade possible?
 

hey guys tell me how can i upgrade my existing os i mean rite now im using red hat 7.3 and my burn images are not working not booting from the cd room device so tell me is there any way to upgrade it manually like if i run the setup from the terminal side so wont it work? please help waiting for your reply

thankx

What are you trying to update to? Red Hat 7.3 is a number of years old, and so you'll struggle to find sources to update the system, even security patches. You could manually install newer packages you wish such as a windowmanager or web browser, but are likely to run into dependency problems.