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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
- 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 –
- 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
- Exploring Docker containers file system - Stack Overflow
docker create <image> # returns container ID the container is never started docker cp <container ID>:<source_path> <destination_path> docker rm <container ID> cd <destination_path> ls -lsah see docker exec documentation
- 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
- What is docker run -it flag? - Stack Overflow
-it are flags for command docker run or docker container run (they are aliases) Suggest you know what are flags and go forward:-i or --interactive: When you type docker run -i this means that your terminal will transfer your input to container (app in container) until you press ctrl-D (leave container) For example, if some app works in
- docker - What is the difference between the COPY and ADD commands . . .
Docker’s official documentation notes that COPY should always be the go-to instruction as it is more transparent than ADD If you need to copy from the local build context into a container, stick to using COPY The Docker team also strongly discourages using ADD to download and copy a package from a URL
- How is Docker different from a virtual machine? - Stack Overflow
Docker is just a fancy way to run a process, not a virtual machine Now, let me explain a bit more about what that means Virtual machines are their own beast I feel like explaining what Docker is will help you understand this more than explaining what a virtual machine is Especially because there are many fine answers here telling you
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