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リポジトリの有効なベースURLが見つかりません：基本的な問題

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リポジトリの有効なベースURLが見つかりません：基本的な問題

yumを更新しようとしましたが、成功しませんでした。既存のソリューションをすべて試しましたが、解決できませんでした。このエラーが発生します。

[root@localhost]# yum update ロードされたプラグイン: fastmirror, langpacks キャッシュされたホストファイルのミラーロード速度のため、ミラーリストを取得できません。http://mirrorlist.centos.org/?release=7&arch=x86_64&repo=os&infra=stockエラーは14です。カール＃7 - "2001:1b48:203::4:10に接続できません：ネットワークに接続できません。"

 One of the configured repositories failed (Unknown),
 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. Run the command with the repository temporarily disabled
            yum --disablerepo=<repoid> ...

     4. Disable the repository permanently, 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 <repoid>
        or
            subscription-manager repos --disable=<repoid>

     5. 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=<repoid>.skip_if_unavailable=true

Cannot find a valid baseurl for repo: base/7/x86_64

最初にこれを行いましたが、同じエラーが発生しました。

[root@localhost ]# ONBOOT=no
[root@localhost ]# dhclient
[root@localhost ]# yum update

その後、/etc/yum.repos.d/に移動しました。

vi CentOS-Base.repo

その後、baseurlの前の＃を削除し、：xで保存して入力しました。

これで、次のエラーが発生します

[root@localhost yum.repos.d]# yum update
Loaded plugins: fastestmirror, langpacks
Loading mirror speeds from cached hostfile
Could not retrieve mirrorlist http://mirrorlist.centos.org/?release=7&arch=x86_64&repo=os&infra=stock error was
14: curl#7 - "Failed to connect to 2001:1b48:203::4:10: Network is unreachable"
Could not retrieve mirrorlist http://mirrorlist.centos.org/?release=7&arch=x86_64&repo=extras&infra=stock error was
14: curl#7 - "Failed to connect to 2001:1b48:203::4:10: Network is unreachable"
Could not retrieve mirrorlist http://mirrorlist.centos.org/?release=7&arch=x86_64&repo=updates&infra=stock error was
14: curl#7 - "Failed to connect to 2001:1b48:203::4:10: Network is unreachable"
http://mirror.centos.org/centos/7/os/x86_64/repodata/repomd.xml: [Errno 14] curl#7 - "Failed to connect to 2607:f2d8:1:e::10: Network is unreachable"
Trying other mirror.
http://mirror.centos.org/centos/7/os/x86_64/repodata/repomd.xml: [Errno 14] curl#7 - "Failed to connect to 2607:f2d8:1:e::10: Network is unreachable"
Trying other mirror.
http://mirror.centos.org/centos/7/os/x86_64/repodata/repomd.xml: [Errno 14] curl#7 - "Failed to connect to 2607:f2d8:1:e::10: Network is unreachable"
Trying other mirror.
http://mirror.centos.org/centos/7/os/x86_64/repodata/repomd.xml: [Errno 14] curl#7 - "Failed to connect to 2607:f2d8:1:e::10: Network is unreachable"
Trying other mirror.
http://mirror.centos.org/centos/7/os/x86_64/repodata/repomd.xml: [Errno 14] curl#7 - "Failed to connect to 2607:f2d8:1:e::10: Network is unreachable"
Trying other mirror.
http://mirror.centos.org/centos/7/os/x86_64/repodata/repomd.xml: [Errno 14] curl#7 - "Failed to connect to 2607:f2d8:1:e::10: Network is unreachable"
Trying other mirror.
http://mirror.centos.org/centos/7/os/x86_64/repodata/repomd.xml: [Errno 14] curl#7 - "Failed to connect to 2607:f2d8:1:e::10: Network is unreachable"
Trying other mirror.
http://mirror.centos.org/centos/7/os/x86_64/repodata/repomd.xml: [Errno 14] curl#7 - "Failed to connect to 2607:f2d8:1:e::10: Network is unreachable"
Trying other mirror.
http://mirror.centos.org/centos/7/os/x86_64/repodata/repomd.xml: [Errno 14] curl#7 - "Failed to connect to 2607:f2d8:1:e::10: Network is unreachable"
Trying other mirror.
http://mirror.centos.org/centos/7/os/x86_64/repodata/repomd.xml: [Errno 14] curl#7 - "Failed to connect to 2607:f2d8:1:e::10: Network is unreachable"
Trying other mirror.


 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. Run the command with the repository temporarily disabled
            yum --disablerepo=base ...

     4. Disable the repository permanently, 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
        or
            subscription-manager repos --disable=base

     5. 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://mirror.centos.org/centos/7/os/x86_64/repodata/repomd.xml: [Errno 14] curl#7 - "Failed to connect to 2607:f2d8:1:e::10: Network is unreachable"
http://mirror.centos.org/centos/7/os/x86_64/repodata/repomd.xml: [Errno 14] curl#7 - "Failed to connect to 2607:f2d8:1:e::10: Network is unreachable"
http://mirror.centos.org/centos/7/os/x86_64/repodata/repomd.xml: [Errno 14] curl#7 - "Failed to connect to 2607:f2d8:1:e::10: Network is unreachable"
http://mirror.centos.org/centos/7/os/x86_64/repodata/repomd.xml: [Errno 14] curl#7 - "Failed to connect to 2607:f2d8:1:e::10: Network is unreachable"
http://mirror.centos.org/centos/7/os/x86_64/repodata/repomd.xml: [Errno 14] curl#7 - "Failed to connect to 2607:f2d8:1:e::10: Network is unreachable"
http://mirror.centos.org/centos/7/os/x86_64/repodata/repomd.xml: [Errno 14] curl#7 - "Failed to connect to 2607:f2d8:1:e::10: Network is unreachable"
http://mirror.centos.org/centos/7/os/x86_64/repodata/repomd.xml: [Errno 14] curl#7 - "Failed to connect to 2607:f2d8:1:e::10: Network is unreachable"
http://mirror.centos.org/centos/7/os/x86_64/repodata/repomd.xml: [Errno 14] curl#7 - "Failed to connect to 2607:f2d8:1:e::10: Network is unreachable"
http://mirror.centos.org/centos/7/os/x86_64/repodata/repomd.xml: [Errno 14] curl#7 - "Failed to connect to 2607:f2d8:1:e::10: Network is unreachable"
http://mirror.centos.org/centos/7/os/x86_64/repodata/repomd.xml: [Errno 14] curl#7 - "Failed to connect to 2607:f2d8:1:e::10: Network is unreachable"

次のコマンドも使用しましたが、エラーは同じです

yum clean all && yum clean metadata && yum clean dbcache && yum makecache && yum update -y

興味を確認するために、以下を行いました。

[

root@localhost ~]# cat /etc/resolv.conf
; generated by /usr/sbin/dhclient-script
search dhcp.swmed.org
nameserver 199.242.236.1
nameserver 199.242.237.1

その後、最初のメッセージをpingし、次のメッセージを受け取りました。

[root@localhost ~]# ping 199.242.236.1
PING 199.242.236.1 (199.242.236.1) 56(84) bytes of data.
64 bytes from 199.242.236.1: icmp_seq=1 ttl=61 time=0.262 ms
64 bytes from 199.242.236.1: icmp_seq=2 ttl=61 time=0.315 ms
64 bytes from 199.242.236.1: icmp_seq=3 ttl=61 time=0.299 ms
64 bytes from 199.242.236.1: icmp_seq=4 ttl=61 time=0.351 ms

/etc?yum.repos.d/CentOS-Base.repo は次のようになります。

# 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/
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/
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/
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/
gpgcheck=1
enabled=0

ベストアンサー1

次のように/etc/yum.confにプロキシ情報を設定します。

proxy=http://xxx.xxx.xxx.xxx:1087
proxy_username=
proxy_password=

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