Installing erlang using yum

[Paul Howarth]

On Tue, 2006-04-11 at 07:49 +0200, Roger Grosswiler wrote:
> [snip]
> >
> > While installing erlang using yum its giving  error .
> > Not  only  install but update using yum is giving the same error.
> >
> >
> > Initially  it gave an error
> > # yum update
> > Loading "installonlyn" plugin
> > Setting up Update Process
> > Setting up repositories
> > core [1/3]
> > Cannot find a valid baseurl for repo: core
> > Error: Cannot find a valid baseurl for repo: core
> >
> > [1/3]
> > http://download.fedora.redhat.com/pub/fedora/linux/core/5/i386/os/repoda
> > ta/repomd.xml
> > <http://download.fedora.redhat.com/pub/fedora/linux/core/5/i386/os/repod
> > ata/repomd.xml> : [Errno 4] IOError: <urlopen error (-3, 'Temporary
> > failure in name resolution')>
> > Trying other mirror.
> > Cannot open/read repomd.xml file for repository: core
> > failure: repodata/repomd.xml from core: [Errno 256] No more mirrors to
> > try.
> > Error: failure: repodata/repomd.xml from core: [Errno 256] No more
> > mirrors to try.
> >
> [/snip]
> 
> Vasantha,
> 
> This is usually, if you have problems with your connection to the internet
> itself or with dns-resolution. This is said with: 'Temporary failure in
> name resolution'. Perhaps you ISP's dns-server was down at this time??
> 
> Do you get a reply on : 'host http://download.fedora.redhat.com'? If no,
> check your /etc/resolv.conf, that there is an appropiate dns-server
> entered, which resolves the fqdn's, then it should work fine...if yes, yum
> should also work properly...

Another quick test you can try is:

curl -v
http://download.fedora.redhat.com/pub/fedora/linux/core/5/i386/os/repodata/repomd.xml

(that's all one line)

You might get some useful diagnostics from that.

Paul.