Solution to the docker mapping port error: 1. Switch to the root account; 2. Check the pid of the program running through the "netstat -nap" command; 3. Kill it through the "kill -9 2901 su u260517" command program and switch programs.
The operating environment of this tutorial: linux7.3 system, docker version 19.03, Dell G3 computer.
What should I do if there is an error in docker mapping port?
Docker mapping port error solution
1. Problem
docker run -itd --name hyperlpr_fastapi -p8668:8668 hyperlpr_fastapi:v1.0
When running the docker image, the port binding has been used:
docker: Error response from daemon: driver failed programming external connectivity on endpoint hyperlpr_fastapi (646d9ef9ad18cab0a5dd981d8fd2280f010d62c2b7c06dd1c17370fceeebfe86): Error starting userland proxy: listen tcp 0.0.0.0:8668: bind: address already in use.
2 , Solution
Switch to the root account, netstat -nap to check the pid of the program running, and look for the 8668 port. You can find that it is indeed occupied. Remember the PID
. Of course, you can also directly find a certain port. Check whether the port is occupied, command: netstat -nap | grep 8668
su root # 切換到root賬戶 netstat -nap | grep 8668 # 查看pid tcp 0 0 0.0.0.0:8668 0.0.0.0:* LISTEN 2901/python tcp 540778 0 127.0.0.1:54836 127.0.0.1:8668 CLOSE_WAIT 24527/python tcp 540778 0 127.0.0.1:54740 127.0.0.1:8668 CLOSE_WAIT 24527/python tcp 540778 0 127.0.0.1:54820 127.0.0.1:8668 CLOSE_WAIT 24527/python tcp 540778 0 127.0.0.1:54792 127.0.0.1:8668 CLOSE_WAIT 24527/python tcp 540778 0 127.0.0.1:54742 127.0.0.1:8668 CLOSE_WAIT 24527/python tcp 540778 0 127.0.0.1:54766 127.0.0.1:8668 CLOSE_WAIT 24527/python
kill PID, kill the process, here is kill 0
kill -9 2901 # 殺死程序 su u260517 # 切換到普通用戶
Recommended study: "docker video tutorial》
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