Docker: Difference between revisions
From DWIKI
m (→FAQ) |
m (→FAQ) |
||
Line 61: | Line 61: | ||
instead of | instead of | ||
docker run | docker run | ||
==Compose== | |||
===docker: 'compose' is not a docker command.=== | |||
apt install docker-compose | |||
===unknown flag: --detach=== | |||
apt install docker-compose-v2 |
Revision as of 16:42, 31 March 2024
Links
Docs
- Docker-compose
- https://www.digitalocean.com/community/tutorials/how-to-install-and-use-docker-on-centos-7
- Removing images, containers and volumes
- Docker for beginners
- Docker networking
- Docker pruning
HOWTO
List running containers
docker ps
List containers
docker ps -a
List images
docker images
Get shell in running container
To get image name
docker ps
then
docker exec -it <image-id> bash
Network
docker network ls docker network inspect
image has dependent child images
docker inspect --format='Template:.Id Template:.Parent' $(docker images --filter since=<image_id> -q)
Dangling images
list dangling images
docker images -f dangling=true
Remove dangling image
docker rmi image-id
Remove all dangling images
docker rmi $(docker images -f dangling=true -q)
image is being used by stopped container xyz
docker rm xyz
and try again
Backups
FAQ
The container name "/mycontainer" is already in use by container
It already exists, so use
docker start
instead of
docker run
Compose
docker: 'compose' is not a docker command.
apt install docker-compose
unknown flag: --detach
apt install docker-compose-v2