Docker # Docker 报错

Docker # Docker 报错

-p 指定端口 8000:8080 宿主机：docker内端口

端口映射启动报错 解决方法：重启docker

[root@real-kk ~]# docker run -d -p 8080:80 centos:7 379f3329ceb4489e2d50a01c9836e6e474a70b66e9b0bb44490c6f23f936065e docker: Error response from daemon: driver failed programming external connectivity on endpoint elegant_napier (8f8d03528e2b65418b50c3fc21f6ac47253e443e6788326f6ac730c6448de4dd): (iptables failed: iptables --wait -t nat -A DOCKER -p tcp -d 0/0 --dport 8080 -j DNAT --to-destination 172.17.0.3:80 ! -i docker0: iptables: No chain/target/match by that name. [root@real-kk ~]# docker run -i -t -p 127.0.0.1:8090:8080 centos:7 /bin/bash docker: Error response from daemon: driver failed programming external connectivity on endpoint magical_johnson (e4ed6937ea507cef0d89a62a06dc2ed788a5ff62ae2276f5813d18b0ee0ac7d2): (iptables failed: iptables --wait -t nat -A DOCKER -p tcp -d 127.0.0.1 --dport 8090 -j DNAT --to-destination 172.17.0.3:8080 ! -i docker0: iptables: No chain/target/match by that name. (exit status 1)). ERRO[0000] error waiting for container: context canceled ################################################################# [root@real-kk ~]# systemctl restart docker [root@real-kk ~]# docker start tomcat tomcat [root@real-kk ~]# docker ps -a CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES ac8702f8d5db tomcat:1 "bash" 53 seconds ago Up 4 seconds 0.0.0.0:8000->80/tcp tomcat

映射多个端口：

[root@real-kk ~]# docker run -p 8080:8080 -p 8081:8081 -p 8082:8082 -p 8083:8083 -it --name tomcat --hostname Tomcat --privileged=true tomcat:1 bash

查看docker映射的所有端口

[root@real-kk ~]# iptables -nL Chain DOCKER (1 references) target prot opt source destination ACCEPT tcp -- 0.0.0.0/0 172.17.0.2 tcp dpt:8083 ACCEPT tcp -- 0.0.0.0/0 172.17.0.2 tcp dpt:8082 ACCEPT tcp -- 0.0.0.0/0 172.17.0.2 tcp dpt:8081 ACCEPT tcp -- 0.0.0.0/0 172.17.0.2 tcp dpt:8080

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