yum安装时出现错误[Errno 14]

 

[root@localhost home]# yum install yum-utils

执行命令报错， 结果如下：

总下载量：1.5 M
Downloading packages:
Delta RPMs disabled because /usr/bin/applydeltarpm not installed.
yum-utils-1.1.31-54.el7_8.noar FAILED
http://mirrors.163.com/centos/7/os/x86_64/Packages/yum-utils-1.1.31-54.el7_8.noarch.rpm: [Errno 14] curl#6 - "Could not resolve host: mirrors.163.com; Unknown error" 0 B --:--:-- ETA
正在尝试其它镜像。

Error downloading packages:
yum-utils-1.1.31-54.el7_8.noarch: [Errno 256] No more mirrors to try.

 

解决办法:

[root@localhost ~]# vim /etc/resolv.conf

# Generated by NetworkManager
search localdomain
nameserver 0.0.0.0
#向resolv.conf文件中添加下面内容
nameserver 114.114.114.114

 

参考：https://blog.csdn.net/qq_44160357/article/details/104179092