何度やってもできないので、お力をお貸しいただけたら嬉しいです。
バージョンは、CentOS7です。
・ポート解放
80/tcp
443/tcp
53/udp
参考にしたサイト
・CentOS-Base.repo内のbaseurl=に理研のURLを貼る
・DNS設定済み
'CentOS-Base.repoの内容です。'
"# CentOS-Base.repo"
'#
'# The mirror system uses the connecting IP address of the client and the
'# update status of each mirror to pick mirrors that are updated to and
'# geographically close to the client. You should use this for CentOS updates
'# unless you are manually picking other mirrors.
'#
'# If the mirrorlist= does not work for you, as a fall back you can try the
'# remarked out baseurl= line instead.
'#
'#
'[base]
'name=CentOS-$releasever - Base
'#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=os&infra=$infra
'#baseurl=http://mirror.centos.org/centos/$releasever/os/$basearch/
'baseurl=http://ftp.riken.jp/Linux/centos/$releasever/os/$basearch/
'gpgcheck=1
'gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
'#released updates
'[updates]
'name=CentOS-$releasever - Updates
'#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=updates&infra=$infra
'#baseurl=http://mirror.centos.org/centos/$releasever/updates/$basearch/
'baseurl=http://ftp.riken.jp/Linux/centos/$releasever/updates/$basearch/
'gpgcheck=1
'gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
'#additional packages that may be useful
'[extras]
'name=CentOS-$releasever - Extras
'#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=extras&infra=$infra
'#baseurl=http://mirror.centos.org/centos/$releasever/extras/$basearch/
'baseurl=http://ftp.riken.jp/Linux/centos/$releasever/extras/$basearch/
'gpgcheck=1
'gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
'#additional packages that extend functionality of existing packages
'[centosplus]
'name=CentOS-$releasever - Plus
'#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=centosplus&infra=$infra
'#baseurl=http://mirror.centos.org/centos/$releasever/centosplus/$basearch/
'baseurl=http://ftp.riken.jp/Linux/centos/$releasever/centosplus/$basearch/
'gpgcheck=1
'enabled=0
'gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
'yum update実行結果です。
'[root@localhost ~]# yum update
'読み込んだプラグイン:fastestmirror
'http://ftp.riken.jp/Linux/centos/7/os/x86_64/repodata/repomd.xml: [Errno 14] curl#6 - "Could not resolve host: 'ftp.riken.jp; 不明なエラー"
'他のミラーを試します。
'One of the configured repositories failed (CentOS-7 - Base),
'and yum doesn't have enough cached data to continue. At this point the only
'safe thing yum can do is fail. There are a few ways to work "fix" this:
' 1. Contact the upstream for the repository and get them to fix the problem.
' 2. Reconfigure the baseurl/etc. for the repository, to point to a working
' upstream. This is most often useful if you are using a newer
' distribution release than is supported by the repository (and the
' packages for the previous distribution release still work).
' 3. Disable the repository, so yum won't use it by default. Yum will then
' just ignore the repository until you permanently enable it again or use
' --enablerepo for temporary usage:
' yum-config-manager --disable base
' 4. Configure the failing repository to be skipped, if it is unavailable.
' Note that yum will try to contact the repo. when it runs most commands,
' so will have to try and fail each time (and thus. yum will be be much
' slower). If it is a very temporary problem though, this is often a nice
' compromise:
' yum-config-manager --save --setopt=base.skip_if_unavailable=true
'failure: repodata/repomd.xml from base: [Errno 256] No more mirrors to try.
'http://ftp.riken.jp/Linux/centos/7/os/x86_64/repodata/repomd.xml: [Errno 14] curl#6 - "Could not resolve host: 'ftp.riken.jp; 不明なエラー"'
まだはじめたばかりですので、至らない点がある、必要な情報がある場合はご指摘ください。
よろしくお願いします。