====== yumに失敗する ====== ===== ネットワークの確認 ===== # nslookup yahoo.co.jp Server: 192.168.26.2 Address: 192.168.26.2#53 Non-authoritative answer: Name: yahoo.co.jp Address: 124.83.187.140 Name: yahoo.co.jp Address: 203.216.243.240 # curl yahoo.co.jp The document has moved here.

 etc...  ⇒ 失敗したら、DNS(nameserver) の設定を疑う # vi /etc/resolv.conf ; generated by /sbin/dhclient-script nameserver 192.168.80.1 search localdomain ===== ごみの削除 ===== # yum clean all # yum update それでもダメなら # rm -rf /var/cache/yum # yum check-update # yum update