Docker之WARNING: IPv4 forwarding is disabled. Networking will not work.
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我装完了Docker,然后启动镜像,发现没有网络,而且不能ifconfig,当时就淡腾了后来查找资料发现,是没有开启转发,网桥配置完后,需要开启转发,不然容器启动后,就会没有网络,配置
/etc/sysctl.conf
,添加net.ipv4.ip_forward=1
配置转发
vim /etc/sysctl.conf#配置转发net.ipv4.ip_forward=1#重启服务,让配置生效systemctl restart network#查看是否成功,如果返回为“net.ipv4.ip_forward = 1”则表示成功sysctl net.ipv4.ip_forward
配置成功,可以看到配置信息
检查容器是否正常访问网络
#重启docker服务service docker restart #查看运行过的容器docker ps -a#启动gitlab 容器docker start gitblab2 #进入gitlab容器docker attach gitlab2#获取百度信息curl baidu.com
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