Question 80503 in Docker Question posted in
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why I can't start a docker container because the port be allocated?

Terminal screenshot

use lsof to show a port, but every port return same info…

[kfadmin@master fundrisksys]$ lsof -i:136
24223   /usr/bin/bash   /dev/pts/0
24223   /usr/bin/bash   /dev/pts/0
24223   /usr/bin/bash   /dev/pts/0
24223   /usr/bin/bash   /dev/pts/0

[kfadmin@master fundrisksys]$ lsof -i:7895
24223   /usr/bin/bash   /dev/pts/0
24223   /usr/bin/bash   /dev/pts/0
24223   /usr/bin/bash   /dev/pts/0
24223   /usr/bin/bash   /dev/pts/0

I can’t use any port, it shows same info:
Bind for 0.0.0.0:8001 failed: port is already allocated

I try to kill the pid, but the terminal will be killed

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2

Answers


  1. 0

    Did you try to run a docker ps -a?
    Maybe you have a stopped container that has reserved this port.

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  2. 0

    Use netstat -tulpn or ss -tulpn and look at used ports. Find app and pid that uses this port.

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