1、故障现象
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[root@LVS-DR02 src]# yum update
Loaded plugins: fastestmirror, langpacksCould not retrieve mirrorlist 7&arch=x86_64&repo=os&infra=stock error was
14: curl#56 - "Recv failure: Connection reset by peer"
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
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2、处理方法
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[root@LVS-DR02 src]# systemctl disable firewalld
Removed symlink /etc/systemd/system/dbus-org.fedoraproject.FirewallD1.service.
Removed symlink /etc/systemd/system/basic.target.wants/firewalld.service.
[root@LVS-DR02 src]# systemctl stop firewalld
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本文转自 冰冻vs西瓜 51CTO博客，原文链接：http://blog.51cto.com/molewan/1942579，如需转载请自行联系原作者