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使用namcli命令修改网络连接的配置文件 [root@localhost ~]# vim /etc/sysconfig/network-scripts/ifcfg-ens37（为空文件） # 查看所有网络连接 [root@localhost ~]# nmcli conn NAME UUID TYPE DEVICE ens33 7513fe9a-2cb9-45d7-8837-496cf8fcdd5a

当遇到yum下载时，出现下面报错情况时： One of the configured repositories failed (local), 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 fo