Service Temporary Unavailable!

本文解释了服务器因维护或容量问题而无法处理请求的情况,并提供了几种可能的解释,包括瞬间访问量过大导致的连接数不足等问题。

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The server is temporarily unable to service your request due to maintenance downtime or capacity problems. Please try again later.

 

由于正处于维护期或者是容量的原因,服务器暂时不能处理您的请求。请稍后再试。

 
由于维修停机或容量问题,服务器暂时不能反馈你的请求,请稍后再试.
 
由于停机维护或过载,服务器现在无法响应你的请求,请稍后再试。
大致可理解为网站瞬间访问量过大,连接数设置不够造成 
[root@VM-4-6-centos bin]# sudo yum install centos-release-scl epel-release Loaded plugins: fastestmirror, langpacks Repository epel is listed more than once in the configuration Loading mirror speeds from cached hostfile Could not retrieve mirrorlist http://mirrorlist.centos.org?arch=x86_64&release=7&repo=sclo-rh error was 14: curl#6 - "Could not resolve host: mirrorlist.centos.org; Name or service not known" 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: centos-sclo-rh/x86_64
最新发布
03-19
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