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

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[[email protected] ~]# systemctl stop firewalld
[[email protected] ~]# setenforce 0
[[email protected] ~]# systemctl start docker
[[email protected] ~]# 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：建立容器的時候報這個錯

[[email protected] ~]# docker run -ti -p 80:80 hub.c.163.com/library/nginx  /bin/bash
WARNING: IPv4 forwarding is disabled. Networking will not work.  

 

解決辦法：

[[email protected] ~]# vi /usr/lib/sysctl.d/00-system.conf

添加如下代碼：    net.ipv4.ip_forward=1

重啟network服務# systemctl restart network ------------------------------------- 解決完成以後 刪除掉 做錯的 容器，再次建立  就可以了 ：docker rm -f ea73dcb26ff5  -----------------------------------------------------------------------------------

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