How to check the PID of a docker container

1. docker container top

(Recommended tutorial:docker tutorial)

[xxx@single xxx]# docker container top 

Using redis example

[xxx@single xxx]# docker container top redis

You can see the PID of the redis container from the output result

PID USER TIME COMMAND 2208 999 1:47 redis-server *:637912

2. Docker container inspect

[xxx@single xxx]# docker inspect -f '{{.State.Pid}}' 1

Using redis as an example

[xxx@single xxx]# docker inspect -f '{{.State.Pid}}' redis1

This command will directly output the PID

2208

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