docker run 时报错WARNING: IPv4 forwarding is disabled. Networking will not work.的解决办法：$ vim /etc/sysctl.conf添加net.ipv4.ip_forward=1，保存退出，重启 network 服务：$ systemctl restart network运行命令$ sysctl net.ipv4....

安装：yum install docker安装后启动：[root@localhost ~]# sudo service docker start Redirecting to /bin/systemctl start docker.service 设置开机启动[root@localhost ~]# sudo chkconfig docker on 注意：正在将请求转发到“systemctl ...