moi j'ai fait ca ( j'avais pas mal de soucis et une personne ma conseille ca et ca marche impec 😉 )
au lieu de tout mettre dans le yumconf tu fais un fichier pour chaque section dans le yum.repos.d
cat /etc/yum.repos.d/dag.repo
[dag]
name=Dag
baseurl=http://apt.sw.be/fedora/$releasever/en/$basearch/dag/
enabled=1
gpgcheck=0
cat /etc/yum.repos.d/fedora-devel.repo
[development]
name=Fedora Core $releasever - Development Tree
#baseurl=http://download.fedora.redhat.com/pub/fedora/linux/core/development/$basearch/
mirrorlist=http://fedora.redhat.com/download/mirrors/fedora-core-rawhide
enabled=0
cat /etc/yum.repos.d/fedora.repo
[base]
name=Fedora Core $releasever - $basearch - Base
#baseurl=http://download.fedora.redhat.com/pub/fedora/linux/core/$releasever/$basearch/os/
mirrorlist=http://fedora.redhat.com/download/mirrors/fedora-core-$releasever
enabled=1
gpgcheck=1
cat /etc/yum.repos.d/fedora-updates.repo
[updates-released]
name=Fedora Core $releasever - $basearch - Released Updates
#baseurl=http://download.fedora.redhat.com/pub/fedora/linux/core/updates/$releasever/$basearch/
mirrorlist=http://fedora.redhat.com/download/mirrors/updates-released-fc$releasever
enabled=1
gpgcheck=1
cat /etc/yum.repos.d/fedora-updates-testing.repo
[updates-testing]
name=Fedora Core $releasever - $basearch - Test Updates
#baseurl=http://download.fedora.redhat.com/pub/fedora/linux/core/updates/testing/$releasever/$basearch/
mirrorlist=http://fedora.redhat.com/download/mirrors/updates-testing-fc$releasever
enabled=0
gpgcheck=1
cat /etc/yum.repos.d/freshrpms.repo
[core]
name=FreshRPMS-Core
baseurl=http://ayo.freshrpms.net/fedora/linux/$releasever/$basearch/core
enabled=1
gpgcheck=0
#[extras]
#name=Fedora Linux $releasever - $basearch - extras
#baseurl=http://ayo.freshrpms.net/fedora/linux/$releasever/$basearch/extras
enabled=0
gpgcheck=0
#[alternatives]
#name=Fedora Linux $releasever - $basearch - alternatives
#baseurl=http://ayo.freshrpms.net/fedora/linux/$releasever/$basearch/alternatives
enabled=0
gpgcheck=0
[updates]
name=FreshRPMS-Updates
baseurl=http://ayo.freshrpms.net/fedora/linux/$releasever/$basearch/updates
enabled=1
gpgcheck=0
[freshrpms]
name=FreshRPMS-Fresh
baseurl=http://ayo.freshrpms.net/fedora/linux/$releasever/$basearch/freshrpms
enabled=1
gpgcheck=0
cat /etc/yum.repos.d/livna.repo
[Livna]
name=Livna Stable
baseurl=http://rpm.livna.org/fedora/$releasever/$basearch/RPMS.stable/
enabled=1
gpgcheck=1
voila ca sera tout 😉
J'espere que ca marchera pour toi aussi 🙂