Docker

docker

• list loaded images

docker images

• list running containers

docker ps

• list all containers

docker ps -a

• pull debian image from pub repo

docker image pull debian:bookworm

• stop a container

data is deleted if volume non persistent!

docker container stop 

• get container status

docker top

• load an image from file

docker load -i container-name.1.0.0.tar.gz

• push (upload) an image to a private repository

docker login myprivaterepo.intranet.lan

...

docker push myprivaterepo.intranet.lan/project/package-name:tag

• run a container with a port map

docker run -d --name container-name -p 5678:5678 container-name:1.0.0 

• get container logs

docker logs <container ID>

• execute a command in the container and print output to stdout

docker exec <container ID> <command>

Permission denided ...sock

sudo setfacl --modify user:devuser:rw /var/run/docker.sock

Kubernetes

Details about all nodes:

kubectl describe nodes

Start container testing parameters

kubectl apply --validate -f mypod.yaml

Save pod configuration to file

kubectl get pods/mypod -o yaml > mypod.yaml

Show running pods IP address

kubectl get pods -l app=<app name> -o go-template='Template:Range .itemsTemplate:.status.podIPTemplate:"\n"Template:End'

Exposes the service to the net

kubectl expose deployment <app name> --port=80 --target-port=9376

Get the services for an app

kubectl get svc <app name>