Question : Where does RHEL5 get update & packages from?

Do you guys know the web link that RHEL5 get updates from? Is it ftp.redhat.com, Or something else?

That link is under /etc/yum.repos.d.

Answer : Where does RHEL5 get update & packages from?

http://www.cyberciti.biz/faq/rhel-centos-5-upgrade-apply-security-patches/

http://www.linuxquestions.org/questions/red-hat-31/how-to-update-redhat-from-centos-repos-696783/

You need a subscription to update redhat from redhat update servers, if you have the subscription then run :

in terminal #rhn_register

otherwise you can run centos which is free to update.