On 07.Sep.2013, at 18:41, Phil Dobbin wrote: > On 07/09/13 15:07, Brian Miller wrote: >> On Sat, 2013-09-07 at 13:01 +0100, Phil Dobbin wrote: >>> I'm experiencing a problem with Yum. When I call 'sudo yum update' it >>> tells me that it can't find any mirrors & after doing a 'sudo yum clean >>> all' it just informs me it can't find any base repo & quits. >>> >>> This is on a brand new installation of CentOS 6.2 x86_64. I suffered the >>> same problem with Fedora 19 too. >>> >>> I have several Ubuntu & Mac OS X machines that suffer no network >>> connection problems & I can connect to the InterWeb just fine (via two >>> HP Procurve 2426s). >> But can you connect to the 'net via the newly-installed CentOS box? >> >> brian >> > Yep, no problem at all. Ping & all other network devices are working too. You have network connectivity but yum does not work. ping works, but yum does http. Maybe you need to configure a proxy? Have a look at a working Browser's Proxy Configuration. Another idea: check if you are able to resolve names via DNS. -- Markus