yum update 时,提示如下:
Loaded plugins: fastestmirror, security Setting up Update Process Loading mirror speeds from cached hostfile epel/metalink | 5.9 kB 00:00 Could not retrieve mirrorlist http://poptop.sourceforge.net/yum/stable/mirrorlist-poptop-stable-rhel6 error was 14: PYCURL ERROR 56 - "Failure when receiving data from the peer" Error: Cannot find a valid baseurl for repo: poptop-stable
如何解决?求教!