dockerd – The Docker daemon itself. The highest level component in your list and also the only ‘Docker’ product listed. Provides all the nice UX features of Docker. (docker-)containerd – Also a daemon, listening on a Unix socket, exposes gRPC endpoints. Handles all the low-level container management tasks, storage, image distribution, network attachment, etc… (docker-)containerd-ctr … Read more
Docker support for Windows has several variants: Docker Toolbox which includes Docker Machine that will spin up a boot2docker image inside of VirtualBox. These are Linux containers running with a Linux kernel inside the VM. This was originally the only option for Windows users. Docker for Windows using Hyper-V to run the Moby VM, based … Read more
You can move .docker directory to another drive and create a junction point to it. Please note that regular shortcut will not work. For example: Move .docker directory from C:\Users\username to D:\ and run: C:\Users\username>mklink /j .docker D:\.docker Junction created for .docker <<===>> D:\.docker
Switch to the root user, then switch back to the original solr user: USER root install/updates USER solr
Docker 1.10 has a built in DNS. If your containers are connected to the same user defined network (create a network docker network create my-network and run your container with –net my-network) they can reference each other using the container name. (Docs). Cool! One caveat if you are using Docker compose you know that it … Read more
It looks like you need to upgrade the VM after installing boot2docker: if you are upgrading from boot2docker 0.12 or later, you can update your existing virtual machine (after upgrading using the installer) using boot2docker stop && boot2docker download && boot2docker up – and you will not lose your existing data. (https://github.com/boot2docker/osx-installer/releases/tag/v1.1.0)
Update 2019-01-31, thanks to ru10’s update, now there is a better way: screen ~/Library/Containers/com.docker.docker/Data/vms/0/tty Original Answer: After a while, I found following way to get a shell of the VM that was created by HyperKit: Run from terminal: screen ~/Library/Containers/com.docker.docker/Data/com.docker.driver.amd64-linux/tty You will see an empty screen, then type enter, you will get a login prompt. … Read more
You can log into docker-machine hosts by just running docker-machine ssh default (Using the “default” host here) The identity files should be stored under ~/.docker/machine/machines. If you want to log into a container (as opposed to the host), use docker exec as suggested by user2915097.
Docker for Mac limits the resource available to 2GB by default! This is too low for the app that I run. The solution is to increase the memory limit to 8GB, or however much your app needs. (I am having similar issue albeit using a JVM application, not Python, and reached here by Google searching. … Read more
You can do this via the command line. For example, to change the machine from the default 1cpu/2048MB RAM run: docker-machine stop VBoxManage modifyvm default –cpus 2 VBoxManage modifyvm default –memory 4096 docker-machine start You can then check your settings: VBoxManage showvminfo default | grep Memory VBoxManage showvminfo default | grep CPU And for docker-machine … Read more