Je suis désolé mais je crois que j'ai déja vu ce problème, mais impossible de retrouver le sujet alors si quelqu'un peut me depanner.
[root@linux ~]# yum update
Setting up Update Process
Setting up repositories
dries 100% |=========================| 951 B 00:00
//var/cache/yum/dag/repomd.xml:1: parser error : Document is empty
^
//var/cache/yum/dag/repomd.xml:1: parser error : Start tag expected, '<' not found
^
dag 100% |=========================| 0 B 00:00
http://apt.sw.be/fedora/4/en/i386/dag/repodata/repomd.xml: [Errno -1] Error importing repomd.xml for dag: Error: could not parse file //var/cache/yum/dag/repomd.xml
Trying other mirror.
Cannot open/read repomd.xml file for repository: dag
failure: repodata/repomd.xml from dag: [Errno 256] No more mirrors to try.
Error: failure: repodata/repomd.xml from dag: [Errno 256] No more mirrors to try.
[root@linux ~]#
