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- docker - Privileged containers and capabilities - Stack Overflow
The --privileged flag gives all capabilities to the container, and it also lifts all the limitations enforced by the device cgroup controller In other words, the container can then do almost everything that the host can do This flag exists to allow special use-cases, like running Docker within Docker
- How do I get into a Docker containers shell? - Stack Overflow
If you're specifically using docker compose, there is a convenience docker compose exec command that works very much like the docker exec command, except: It defaults to the behavior of -i and -t It allows you to refer to containers by their service name in your compose yaml file
- Configuring Docker to not use the 172. 17. 0. 0 range - Server Fault
However it is still only created at docker swarm init time, so if you need to change it later, you'll need to shut down swarm mode entirely with docker swarm leave -f; delete the network with docker network rm docker_gwbridge; and then re-create swarm mode either with docker swarm init (for a local 1-node swarm) or docker swarm join –
- How to list containers in Docker - Stack Overflow
docker stack ls docker service ls docker image ls docker container ls Teaching the aliases first is confusing Once you understand what's going on, they can save some keystrokes: docker images -> docker image ls docker ps -> docker container ls docker rmi -> docker image rm docker rm -> docker container rm There are several aliases in Docker
- Can I run Docker in a Virtual Machine? - Stack Overflow
Instead you can run Docker Machine on the Mac directly and use Parallels to create the Linux VM - which means Docker is running in a Linux VM on your Mac, and you don't need nested virtualization Or preferably use Docker for Mac if your OS supports it, it's the latest product and has much better host integration than Docker Machine
- How do I pass environment variables to Docker containers?
docker run -it --rm -p 8080:80 imagename --env-file env list Fix docker run --env-file env list -it --rm -p 8080:80 imagename The reason this is the case is because the docker run command has the below signature You can see that the options come before the image name Image name feels like an option but it is a parameter to the run command
- docker - Dockerfile copy keep subdirectory structure - Stack Overflow
Using the docker COPY command as you would the *nix cp command will yield unexpected results That is, writing the command COPY files1 files2 will not behave in the same way as a similar GNU cp command
- Understanding docker run -v command - Stack Overflow
When given a single argument, like -v var lib mysql, this allocates space from Docker and mounts it at the given location This is primarily a way of allocating storage from Docker that is distinct from your service container For example, you may want to run a newer version of a database application, which involves tearing down your existing
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