Docker: Difference between revisions
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__TOC__
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= Basics =
*Docker Components:
- Image: Content at rest, Not the full OS, but just the basic environment
- Container: Running Image
- Engine: Software that executes commands for containers. Networking & Volumes are part of Engine.
- Registry: Stores, Distributes & Manages docker images.
- Control Plane: Management Plane for Container & Cluster Orchestration.
*Container Orchestration:
- Docker Swarm
- [[Kubernetes]]
- Mesos Marathon
- Cloud Foundry Diego
- Amazon ECS
- Azure Container Service
= Installation =
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Removing a Container:
docker rm <container-id>
Delete all containers:
docker rm $(docker ps -a -q)
Delete all images:
docker rmi $(docker images -q)
Force delete all images (even with linked containers):
docker rmi $(docker images -q) --force
Remove all stopped containers, unused volumes, unused networks, all images without at least one container associated to them:
docker system prune -a -f
= Installing MediaWiki =
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ssh-keygen
= Docker Packet Captures =
docker exec -it 428947239426349 tcpdump -N -A 'port 80' -w capture.pcap
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