Docker
Presentation: Docker without Docker
systemd and docker
Running Docker containers with systemd: Describes interfacing systemd and docker directly, along with the systemd-docker wrapper.
DNS
How does the host figure out DNS for containers?
resolvable: integrates w/ systemd to make Docker containers have DNS.
larsks/dnsthing listens to Docker's events stream and creates a hosts file.
Open vSwitch and Multi
Open vSwitch, pre-Docker swarm:
Stuff I never remember
Inspect containers
# Shell into a new copy of a container
docker run -it --entrypoint=/bin/sh ${IMAGE}
# Shell into a running container
docker exec -it ${CONTAINER_ID} /bin/sh
