Installing erlang using yum

[vasantha.pothabattula at wipro.com]

Hi, 
Thank you Roger and Paul for your support . 
But i have been trying to use yum but facing problem with it also.
 
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

 
But after making some modifications its now showing the following error 

 #yum install erlang
Loading "installonlyn" plugin
Setting up Install Process
Setting up repositories
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.
 
 
 
# cat fedora-core.repo
[core]
name=Fedora Core $releasever - $basearch
baseurl=http://download.fedora.redhat.com/pub/fedora/linux/core/$release
ver/$basearch/os/
#mirrorlist=http://fedora.redhat.com/download/mirrors/fedora-core-$relea
sever
#mirrorlist=http://fedora.redhat.com/download/mirrors/updates-released-f
c5
mirrorlist=http://download.fedora.redhat.com/pub/fedora/linux/core/5
enabled=1
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-fedora
file:///etc/pki/rpm-gpg/RPM-GPG-KEY
 
[core-debuginfo]
name=Fedora Core $releasever - $basearch - Debug
baseurl=http://download.fedora.redhat.com/pub/fedora/linux/core/$release
ver/$basearch/debug/
enabled=0
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-fedora
file:///etc/pki/rpm-gpg/RPM-GPG-KEY
 
[core-source]
name=Fedora Core $releasever - Source
baseurl=http://download.fedora.redhat.com/pub/fedora/linux/core/$release
ver/source/SRPMS/
mirrorlist=http://fedora.redhat.com/download/mirrors/updates-released-fc
5
enabled=0
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-fedora
file:///etc/pki/rpm-gpg/RPM-GPG-KEY

 
# cat fedora-updates.repo
[updates]
name=Fedora Core $releasever - $basearch - Updates
baseurl=http://download.fedora.redhat.com/pub/fedora/linux/core/updates/
$releasever/$basearch/
#mirrorlist=http://fedora.redhat.com/download/mirrors/updates-released-f
c$releasever
#mirrorlist=http://fedora.redhat.com/download/mirrors/updates-released-f
c5
#mirrorlist=mirrorlist=http://download.fedora.redhat.com/pub/fedora/linu
x/core/5
enabled=1
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-fedora
 
[updates-debuginfo]
name=Fedora Core $releasever - $basearch - Updates - Debug
baseurl=http://download.fedora.redhat.com/pub/fedora/linux/core/updates/
$releasever/$basearch/debug/
enabled=0
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-fedora
 
[updates-source]
name=Fedora Core $releasever - Updates Source
baseurl=http://download.fedora.redhat.com/pub/fedora/linux/core/updates/
$releasever/SRPMS/
mirrorlist=http://fedora.redhat.com/download/mirrors/updates-released-fc
5
enabled=0
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-fedora

 
 
Can you suggest something like what should be done in this case . I am a
new user to Fedora.
 
Thanks & Regards,
Vasantha.
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