使用Docker在进行端口映射时发生报错:

WARNING: IPv4 forwarding is disabled. Networking will not work.

解决方案:

1、修改sysctl.conf,添加ipv4转发为打开状态:

sudo vim /etc/sysctl.conf

net.ipv4.ip_forward=1

2、重启网卡吗,使之生效:

systemctl restart network

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