centos 7 Docker容器启动报WARNING: IPv4 forwarding is disabled. Networking will not work

解决办法:

# vi /etc/sysctl.conf

添加如下代码:

    net.ipv4.ip_forward=

重启network服务

# systemctl restart network

查看是否修改成功

# sysctl net.ipv4.ip_forward

如果返回为“net.ipv4.ip_forward = 1”则表示成功了

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CentOS网络设置 couldn't resolve host 'mirrorlist.centos.org问题也是这个原因

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转载自blog.csdn.net/qq_31980421/article/details/81291824