lnmp包安装失败，京东云服务器
lnmp包安装失败，京东云服务器Loaded plugins: fastestmirror
http://mirrors.jdcloud.local/epel/7/x86_64/repodata/repomd.xml: curl#6 - "Could not resolve host: mirrors.jdcloud.local; Unknown error"
Trying other mirror.
One of the configured repositories failed (Extra Packages for Enterprise Linux 7 - x86_64),
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=epel ...
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 epel
or
subscription-manager repos --disable=epel
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=epel.skip_if_unavailable=true
系统源设置有问题，肯定是装不上的
论坛搜索：CentOS 更换网络源
查看具体设置方法
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