yum update 之后centos 8 failovermethod和appstream报错 | server 运维论坛-金年会app官方网

linux版本：

原因：执行完yum update 系统更新到centos 8 ,出现如下错误

• appstream错误

  errors during downloading metadata for repository 'appstream':
  - curl error (6): couldn't resolve host name for http://mirrorlist.centos.org/?release=8&arch=x86_64&repo=appstream&infra=stock [could not resolve host: mirrorlist.centos.org]
  error: failed to download metadata for repo 'appstream': cannot prepare internal mirrorlist: curl error (6): couldn't resolve host name for http://mirrorlist.centos.org/?release=8&arch=x86_64&repo=appstream&infra=stock [could not resolve host: mirrorlist.centos.org]

• failovermethod错误

  invalid configuration value: failovermethod=priority in /etc/yum.repos.d/centos-epel.repo; configuration: optionbinding with id "failovermethod" does not exist
  repository epel is listed more than once in the configuration

金年会app官方网的解决方案：

1. failovermethod处理
   需要在/etc/yum.repos.d/centos-epel.repo删掉failovermethod选项

failovermethod=priority

2. 执行：

• cd /etc/yum.repos.d/
• sed -i 's/mirrorlist/#mirrorlist/g' /etc/yum.repos.d/centos-*
• sed -i 's|#baseurl=http://mirror.centos.org|baseurl=http://vault.centos.org|g' /etc/yum.repos.d/centos-*

处理完再去执行我们自己的命令
yum -y install systat

最后就正常了

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