April 2017
Beginner
404 pages
9h 30m
English
Sometimes you might want to run commands on containers that are running in detached mode (in the background). docker exec provides an option to run commands in a running container either in detached mode by using the -d option or in interactive mode by using the -it flag. Before running docker exec, make sure the docker container is running and the container's primary process is running. For executing a command on the running container we would need the container ID or the container name.
Let's say we have created an instance of Redis server container in detached mode using the following command:
docker run -d vishwanathsrikanth/mycacheserver:v1
You can also see the container running using the following command:
docker ps ...
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