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Docker – Show the running processes in docker container

We will help you to understand how to show the running processes in docker container. For this, we use “docker top container_name” command.

docker top” command can be used with various options to show the running processes of a docker container.

Usage:

docker top container_name_1

Options:

NameDescription
PIDProcess ID

How docker top command works ?

  • When we use docker top command with container name, It shows running processes having process ID, parent process ID, create time and total time of processes running.
  • One container can have multiple processes. So with this command, we can also get details of specific process.
  • If you give invalid process ID in top command, It won’t show any thing.

Example:

% docker top redis

UID PID PPID C STIME TTY TIME CMD
999 2552 2527 0 10:33 ? 00:00:03 redis-server *:6379


% docker top redis 2552 >> Here, 2552 is a process ID

PID TTY STAT TIME COMMAND
2552 ? Ssl+ 0:04 redis-server *:6379


% docker top redis 2520 >> Here, 2520 is a invalid process ID.

PID TTY STAT TIME COMMAND

To learn more about docker, Please refer given below link:

https://www.techieindoor.com/category/docker/

References:

https://en.wikipedia.org/

Posted in docker

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