Docker Commands to Remember
This article is a list of some Docker commands you should keep in mind.
1. docker exec
docker exec
- Description: execute a command in a running container
- Usage:
docker exec [OPTIONS] CONTAINER COMMAND [ARG...]
Description
The docker exec
command runs a new command in a running container.
Options
-d
,--detach
: detached mode (run command in the background)-i
,--interactive
: keep STDIN open even if not attached-t
,--tty
: allocate a pseudo-TTY-u
,--user
: username or UID
Examples
- Execute an interactive
sh
shell inside mycontainer :docker exec -it mycontainer sh
- Execute an interactive
sh
shell inside mycontainer with the root user:docker exec -it --user root mycontainer sh
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