1. docker container top
(Recommended tutorial: docker tutorial)
[xxx@single xxx]# docker container top <container>
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}}' <container>1Using redis as an example
[xxx@single xxx]# docker inspect -f '{{.State.Pid}}' redis1This command will directly output the PID
2208
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