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We soon had a small Dockerfile and put the already existing provision scripts into an image. They could start using Docker without waiting for new hardware or asking their admins to resize or reformat their partitions. With that setup I made the developers happy. The VM with its disk resides on the bigger D: drive and we don't have to set any other global environment variables. docker-machine -native-ssh create -d vmwareworkstation defaultĪnd hurray - it worked. Then we recreated the Docker Machine with the command from above and set the environment variables again. docker-machine rm -f defaultĬmd /c mklink /J $env:USERPROFILE\.docker D:\docker docker folder again to link it to a folder that resides on a bigger partition of the SSD. We destroyed the Docker Machine again (because it's so easy) and also removed the. Taking a deep breath and embracing that environment, we came to the following solution. This is a good idea, but having a 120 GB partition with only 7 GB left on C: we had to fix it.
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Oh no, although the Windows 7 notebooks got improved by installing a 1 TB SSD, the C: partition hasn't been increased for some historical reasons.ĭocker Machine creates the Linux VM's in the current users home directory. Building some Docker images we ran out of disk space. Using that Docker Machine VM worked really well until we faced another problem.
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So hopefully Docker and using containers in more and more development tasks helps to keep their notebooks clean and they install less tools on the host and instead running more tools in containers. Quite exciting to be able to use that Windows 7 notebook with the latest Docker tools installed. docker-machine env | iexĪfter that you can run docker version for example to retrieve client and server version which are both the up-to-date community editions Using the good old PowerShell on the Windows 7 notebook helps you to use that Linux Docker VM by setting some environment variables. With that knowledge we were able to create a VMware Docker Machine on that laptop with docker-machine -native-ssh create -d vmwareworkstation default Luckily there is a less known option in the docker-machine binary to ignore external SSH client and use the built-in implementation. A deeper look on what else is installed on the host we found that some implementations of SSH clients just doesn't work very well.
It turned out that copying the Docker TLS certs with SSH just didn't work. Something while setting up the Linux VM just went wrong. Installing that on the host machine - your desktop or notebook - leads to different machines.Ĭreating the Docker Machine we ran into a "works on my machine, but doesn't work on your machine" problem I hadn't seen before. My host is my castleĮvery developer installs tools that they need for their work. Then we closed the administrator terminal as the next commands can be done in normal user mode. choco install -y dockerĬhoco install -y docker-machine-vmwareworkstation So what we did on the machines was installing three packages with these simple commands in an administrator terminal. All these tools are also available as Chocolatey packages. Well there is a tool Docker Machine to create local Docker VM's very easily, and there is a VMware Workstation plugin available. Let's recap what I found on the notebooks Luckily the developers already had the Chocolatey package manager installed.
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So we went with a manual installation of some Docker tools to get a Linux Docker VM running on the Windows 7 machine. Amazing ! /f09henl5Ta- Ajeet Singh Raina 31. So going down to the Docker Toolbox also was no option as it comes with VirtualBox to run the Linux boot2docker VM.Ĭan't Believe this.GOT THIS GIF from my Kid :). There also may be a company policy to use one specific hypervisor as the knowledge is already there using other server products in the datacenter. Next obstacle was that for Vagrant it is better to use VMware Workstation on Windows 7 instead of VirtualBox. This looks like a good setup for new notebooks, but if you want to use Docker now you have to look for other solutions.
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So using Docker for Windows was no option as it only works with Windows 10 Pro with Hyper-V. It may be a delayed rollout of new notebooks that keep the employees on that old desktop platform. The bigger problem was the fact that in some companies you still find Windows 7 Enterprise.
Although I also like and use Vagrant still very often, it seemed to me using Docker will be easier to maintain as this could be done in a one-shot container. Some developers tried to spin up a Linux virtual machine and run a script to install tools and then do the packaging. This week I was asked to help automating a task to get some Linux binaries and files packaged into a tarball.
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