Centos7成功安装完docker,但在启动时报以下错误:
WARNING: IPv4 forwarding is disabled. Networking will not work
方法:
- 使用
vim /etc/sysctl.conf
进入配置文件添加以下:
net.ipv4.ip_forward=1
- 重启network服务
systemctl restart network && systemctl restart docker
- 验证
sysctl net.ipv4.ip_forward
##返回net.ipv4.ip_forward = 1,说明成功