couldn't use yum
 

whenever i use yum,the following error message pops up
Could not retrieve mirrorlist http://rpm.livna.org/mirrorlist error was
[Errno 4] IOError: <urlopen error (-3, 'Temporary failure in name resolution')>
Error: Cannot retrieve repository metadata (repomd.xml) for repository: livna. Please verify its path and try again

Hi and welcome to the forum.

There is a problem with the livna website. More details are available here. For now, you can just disable the livna repo by doing using the "--disablerepo=livna" flag when you use yum e.g.

thanks reddazz
 

Thanks reddazz,i was able to disable the livna repo with that command,now yum is working good,thanks again.