[root@localhost ~]# systemctl stop firewalld
[root@localhost ~]# setenforce 0
[root@localhost ~]# systemctl start docker
[root@localhost ~]# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
hub.c.163.com/library/nginx latest db079554b4d2 10 hours ago 181.8 MB
hub.c.163.com/library/tomcat latest c822d296d232 3 weeks ago 355.2 MB
注意：创建容器的时候报这个错
[root@localhost ~]# docker run -ti -p 80:80 hub.c.163.com/library/nginx /bin/bash
WARNING: IPv4 forwarding is disabled. Networking will not work.
解决办法：
[root@localhost ~]# vi /usr/lib/sysctl.d/00-system.conf
添加如下代码：
net.ipv4.ip_forward=1
重启network服务
# systemctl restart network
-------------------------------------
解决完成以后 删除掉 做错的 容器，再次创建 就可以了 ：
docker rm -f ea73dcb26ff5
本文出自 “爱生活的小白” 博客，请务必保留此出处http://sf1314.blog.51cto.com/13295031/1980558
docker ： 报错 WARNING: IPv4 forwarding is disabled. Networking will not work.
原文：http://sf1314.blog.51cto.com/13295031/1980558