[root@localhost ~]# yum install percona
Loaded plugins: rhnplugin
Bad id for repo: not installed, byte = 3
This system is not registered with RHN.
RHN support will be disabled.
YumRepo Error: All mirror URLs are not using ftp, http[s] or file.
Eg. 6Server.10 is not a valid release or hasnt been released yet/
http://mirror.centos.org/centos/6Server.10/addons/i386/repodata/repomd.xml: [Errno 14] HTTP Error 404 : http://mirror.centos.org/centos/6Server.10/addons/i386/repodata/repomd.xml
Trying other mirror.
Error: Cannot retrieve repository metadata (repomd.xml) for repository: addons. Please verify its path and try again
You have new mail in /var/spool/mail/root
ベストアンサー1
ご意見に基づき、下記をご覧ください。Red Hat Network（RHN）ClassicまたはRed Hat Satelliteにシステムを再登録するにはどうすればよいですか？。あなたが見つけたときにこの答えを更新します。