Docker hostname option
You can control the hostname when you start a container by using the –name option docker run –rm -ti –hostname =”mycontainer.linuxconsultant.org” ubuntu:latest
Push docker a image to docker.com
Tag your image with: docker tag username_on_registry/image_name:latest Then docker push username_on_registry/image_name:latest
login to your local machine
using docker exec docker exec -t -i CONTAINERID /bin/bash for example docker exec -t -i 589f2ad30138 /bin/bash using docker-machine docker-machine ssh MACHINENAME
View docker logs
docker logs CONTAINERID for example docker logs c5a6254f7da2 to see logs update in realtime (similar to tail -f) add -f for example docker logs c5a6254f7da2 -f for no logs add the option –log-driver = none
Save changes to your docker container
You can save changes you make to your docker container by getting the container id and running the following command docker commit CONTAINERID IMAGENAME for example after installing apache I ran docker commit 89c48ac17dd7 apache-simple
Remove a local docker image
When you run “docker images” you’ll get results that look something like this REPOSITORY TAG IMAGE ID CREATED VIRTUAL SIZE ubuntu latest 1d073211c498 2 weeks ago 187.9 MB To remove a image type “docker rmi -f IMAGE_ID (the 3rd column above). Warning this is permanent.