Docker Nginx镜像启动，但失败，出现端口已在使用中错误

Question

我有一个带有alphine-nginx镜像的docker容器。我将5个Nginx配置文件推送到这个容器中，但它不工作，并且在容器中出现“端口已在使用”的情况下失败。每个配置文件都包含不同的端口，但在启动时失败。

error.log具有：

019/10/13 14:57:17 [emerg] 21#21: bind() to 0.0.0.0:80 failed (98: Address in use)
2019/10/13 14:57:17 [emerg] 21#21: bind() to [::]:80 failed (98: Address in use)
2019/10/13 14:57:17 [emerg] 21#21: bind() to 0.0.0.0:2447 failed (98: Address in use)
2019/10/13 14:57:17 [emerg] 21#21: bind() to [::]:2447 failed (98: Address in use)
2019/10/13 14:57:17 [emerg] 21#21: bind() to 0.0.0.0:2450 failed (98: Address in use)
2019/10/13 14:57:17 [emerg] 21#21: bind() to [::]:2450 failed (98: Address in use)
2019/10/13 14:57:17 [emerg] 21#21: bind() to 0.0.0.0:2448 failed (98: Address in use)
2019/10/13 14:57:17 [emerg] 21#21: bind() to [::]:2448 failed (98: Address in use)
2019/10/13 14:57:17 [emerg] 21#21: bind() to 0.0.0.0:2449 failed (98: Address in use)
2019/10/13 14:57:17 [emerg] 21#21: bind() to [::]:2449 failed (98: Address in use)
2019/10/13 14:57:17 [emerg] 21#21: bind() to 0.0.0.0:80 failed (98: Address in use)
2019/10/13 14:57:17 [emerg] 21#21: bind() to [::]:80 failed (98: Address in use)
2019/10/13 14:57:17 [emerg] 21#21: bind() to 0.0.0.0:2447 failed (98: Address in use)
2019/10/13 14:57:17 [emerg] 21#21: bind() to [::]:2447 failed (98: Address in use)
2019/10/13 14:57:17 [emerg] 21#21: bind() to 0.0.0.0:2450 failed (98: Address in use)
2019/10/13 14:57:17 [emerg] 21#21: bind() to [::]:2450 failed (98: Address in use)
2019/10/13 14:57:17 [emerg] 21#21: bind() to 0.0.0.0:2448 failed (98: Address in use)
2019/10/13 14:57:17 [emerg] 21#21: bind() to [::]:2448 failed (98: Address in use)
2019/10/13 14:57:17 [emerg] 21#21: bind() to 0.0.0.0:2449 failed (98: Address in use)
2019/10/13 14:57:17 [emerg] 21#21: bind() to [::]:2449 failed (98: Address in use)
2019/10/13 14:57:17 [emerg] 21#21: bind() to 0.0.0.0:80 failed (98: Address in use)
2019/10/13 14:57:17 [emerg] 21#21: bind() to [::]:80 failed (98: Address in use)
2019/10/13 14:57:17 [emerg] 21#21: bind() to 0.0.0.0:2447 failed (98: Address in use)
2019/10/13 14:57:17 [emerg] 21#21: bind() to [::]:2447 failed (98: Address in use)
2019/10/13 14:57:17 [emerg] 21#21: bind() to 0.0.0.0:2450 failed (98: Address in use)
2019/10/13 14:57:17 [emerg] 21#21: bind() to [::]:2450 failed (98: Address in use)
2019/10/13 14:57:17 [emerg] 21#21: bind() to 0.0.0.0:2448 failed (98: Address in use)
2019/10/13 14:57:17 [emerg] 21#21: bind() to [::]:2448 failed (98: Address in use)
2019/10/13 14:57:17 [emerg] 21#21: bind() to 0.0.0.0:2449 failed (98: Address in use)
2019/10/13 14:57:17 [emerg] 21#21: bind() to [::]:2449 failed (98: Address in use)
2019/10/13 14:57:17 [emerg] 21#21: bind() to 0.0.0.0:80 failed (98: Address in use)
2019/10/13 14:57:17 [emerg] 21#21: bind() to [::]:80 failed (98: Address in use)
2019/10/13 14:57:17 [emerg] 21#21: bind() to 0.0.0.0:2447 failed (98: Address in use)
2019/10/13 14:57:17 [emerg] 21#21: bind() to [::]:2447 failed (98: Address in use)
2019/10/13 14:57:17 [emerg] 21#21: bind() to 0.0.0.0:2450 failed (98: Address in use)
2019/10/13 14:57:17 [emerg] 21#21: bind() to [::]:2450 failed (98: Address in use)
2019/10/13 14:57:17 [emerg] 21#21: bind() to 0.0.0.0:2448 failed (98: Address in use)
2019/10/13 14:57:17 [emerg] 21#21: bind() to [::]:2448 failed (98: Address in use)
2019/10/13 14:57:17 [emerg] 21#21: bind() to 0.0.0.0:2449 failed (98: Address in use)
2019/10/13 14:57:17 [emerg] 21#21: bind() to [::]:2449 failed (98: Address in use)
2019/10/13 14:57:17 [emerg] 21#21: bind() to 0.0.0.0:80 failed (98: Address in use)
2019/10/13 14:57:17 [emerg] 21#21: bind() to [::]:80 failed (98: Address in use)
2019/10/13 14:57:17 [emerg] 21#21: bind() to 0.0.0.0:2447 failed (98: Address in use)
2019/10/13 14:57:17 [emerg] 21#21: bind() to [::]:2447 failed (98: Address in use)
2019/10/13 14:57:17 [emerg] 21#21: bind() to 0.0.0.0:2450 failed (98: Address in use)
2019/10/13 14:57:17 [emerg] 21#21: bind() to [::]:2450 failed (98: Address in use)
2019/10/13 14:57:17 [emerg] 21#21: bind() to 0.0.0.0:2448 failed (98: Address in use)
2019/10/13 14:57:17 [emerg] 21#21: bind() to [::]:2448 failed (98: Address in use)
2019/10/13 14:57:17 [emerg] 21#21: bind() to 0.0.0.0:2449 failed (98: Address in use)
2019/10/13 14:57:17 [emerg] 21#21: bind() to [::]:2449 failed (98: Address in use)
2019/10/13 14:57:17 [emerg] 21#21: still could not bind()

netstat -ltnp信息：

Proto Recv-Q Send-Q Local Address           Foreign Address         State       PID/Program name    
tcp        0      0 127.0.0.11:33623        0.0.0.0:*               LISTEN      -
tcp        0      0 0.0.0.0:2447            0.0.0.0:*               LISTEN      9/nginx: master pro
tcp        0      0 0.0.0.0:2448            0.0.0.0:*               LISTEN      9/nginx: master pro
tcp        0      0 0.0.0.0:80              0.0.0.0:*               LISTEN      9/nginx: master pro
tcp        0      0 0.0.0.0:2449            0.0.0.0:*               LISTEN      9/nginx: master pro
tcp        0      0 0.0.0.0:2450            0.0.0.0:*               LISTEN      9/nginx: master pro
tcp        0      0 :::2447                 :::*                    LISTEN      9/nginx: master pro
tcp        0      0 :::2448                 :::*                    LISTEN      9/nginx: master pro
tcp        0      0 :::80                   :::*                    LISTEN      9/nginx: master pro
tcp        0      0 :::2449                 :::*                    LISTEN      9/nginx: master pro
tcp        0      0 :::2450                 :::*                    LISTEN      9/nginx: master pro

如我所见，有些东西开始了Nginx，但是怎么检查它是什么呢？

Docker ps：

​

Answer 1

你有一个进程的id (PID)的进程，它已经取得了端口。您可以使用ps -p 9 -o comm=获取此过程的命令行。

我想是码头。在这种情况下，尝试使用docker ps获取正在运行的docker容器的列表。

你可以通过kill -9 9来终止这个进程。

更新：我尝试过用docker run nginx:1.17.4-alpine运行容器，没有任何问题。如果您构建自定义镜像或使用与默认设置不同的其他设置或配置，则需要对其进行描述。