Copy the file atrpms.repo and freshrpms.repo to /etc/yum.repos.d. Also download the Atrpms key. The following commands will achieve that:
#rpm --import http://atrpms.net/RPM-GPG-KEY.atrpms
#rpm --import http://freshrpms.net/RPM-GPG-KEY-freshrpms
rpm --import http://dl.atrpms.net/mythdora/4.0/i386/os/RPM-GPG-KEY-livna
If you want to download kernel modules from Atrpms, you will also neet to do the following and then reboot your system:
Updating the system
Again, this document assumes you're logged in as the user mythtv. Lines with $ as the prompt are executed as user mythtv, lines with # as the prompt are executed as root. You should NEVER log in to your machine directly as root. Log in with the normal user account, then assume root privs with 'su' wherever a command needs to be run as root.
For the beginners out there, type 'su' (without the quotes) then hit return, and you'll get prompted for the root password. After entering that, you'll have a root prompt. Do what you need to do as root, then type 'exit' (again, without the quotes) to get back to your normal user prompt.
I'm using mythtv as password for both the mythtv account and the root account.
To update your system to the latest versions of the software do a:
Please note that this proces is going to take a while. It usually downloads over 400MB!
If you have a slow Internet connection it is probably best that you take your computer to a friend's place whith a fast Internet connection and do this process there.