質問: つい先日CentOS 7を使い始めた初心者です. yum updateを行った場合,以下のようなError 404がでてきます. yum clean allを行っても変化しませんでした. /etc/yum.repos.d/CentOS-Base.repo内のbaseurlのコメントアウトを有効にした場合でも変化がありませんでした.どうすれば正常にyumが使えるようになるでしょうか? よろしくお願いいたします. 読み込んだプラグイン:fastestmirror, langpacks base | 3.6 kB 00:00:00 epel/x86_64/metalink | 4.8 kB 00:00:00 epel | 4.3 kB 00:00:00 extras | 3.4 kB 00:00:00 http://people.centos.org/tru/devtools-2/7/x86_64/RPMS/repodata/repomd.xml: [Errno 14] HTTP Error 404 - Not Found 他のミラーを試します。 To address this issue please refer to the below knowledge base article https://access.redhat.com/articles/1320623 If above article doesn't help to resolve this issue please create a bug on https://bugs.centos.org/ One of the configured repositories failed (testing 2 devtools for CentOS 7), 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 testing-devtools-2-centos-7 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=testing-devtools-2-centos-7.skip_if_unavailable=true failure: repodata/repomd.xml from testing-devtools-2-centos-7: [Errno 256] No more mirrors to try. http://people.centos.org/tru/devtools-2/7/x86_64/RPMS/repodata/repomd.xml: [Errno 14] HTTP Error 404 - Not Found
回答: まず聞きたいのですが、どのようにインストールしたのですか? no osのパソコンにインストールしたのですか? それとも仮想マシン? あと、そのcent os7のパソコンはインターネットつながっていますか? rootになっていますか?