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Sep 27, 2016. ・Docker 1.12リリースノートを読んでみましょう。 ・Docker Weeklyを購読してみましょう。 ・次に予定されているDockerオンラインMeetupに登録してみましょう。 ・次に予定されているDocker Meetupに参加してみましょう。 ・DockerCon 2016に登録してみましょう。. Docker 1.12 gives you this power by providing a zero-SPOF design leveraging a quorum of managers, plus a service abstraction that spawns multiple replicas and quickly reschedules them if their host disappears. Scale and performance. Docker 1.12's swarm mode orchestration was designed from the ground up with scale and performance in mind. Jenkins user on Mac mini can't run docker command 1.1. Inside Jenkins build; Execute shell command says 'docker command not found' 1.2 Shifting to Jenkins user on shell prompt and trying to run docker command gives error.

This will be an open discussion format around things like Docker 1.12, Docker for Mac/Windows, Docker store, etc. When July 26 - 27 6:00 PM (EDT).

Docker Desktop for Mac is the Community version of Docker for Mac.You can download Docker Desktop for Mac from Docker Hub.

By downloading Docker Desktop, you agree to the terms of the Docker Software End User License Agreement and the Docker Data Processing Agreement.

What to know before you install

README FIRST for Docker Toolbox and Docker Machine users

If you are already running Docker on your machine, first readDocker Desktop for Mac vs. Docker Toolbox to understand theimpact of this installation on your existing setup, how to set your environmentfor Docker Desktop on Mac, and how the two products can coexist.

Relationship to Docker Machine: Installing Docker Desktop on Mac does not affect machines you created with Docker Machine. You have the option to copy containers and images from your local default machine (if one exists) to the Docker Desktop HyperKit VM. Whenyou are running Docker Desktop, you do not need Docker Machine nodes running locally (or anywhere else). With Docker Desktop, you have a new, nativevirtualization system running (HyperKit) which takes the place of theVirtualBox system. To learn more, see Docker Desktop for Mac vs. Docker Toolbox.

System requirements

Your Mac must meet the following requirements to successfully install Docker Desktop:

• Mac hardware must be a 2010 or a newer model, with Intel's hardware support for memory management unit (MMU) virtualization, including Extended Page Tables (EPT) and Unrestricted Mode. You can check to see if your machine has this support by running the following command in a terminal: sysctl kern.hv_support

  If your Mac supports the Hypervisor framework, the command prints kern.hv_support: 1.

• macOS must be version 10.13 or newer. That is, Catalina, Mojave, or High Sierra. We recommend upgrading to the latest version of macOS.

  Raging bull login. If you experience any issues after upgrading your macOS to version 10.15, you must install the latest version of Docker Desktop to be compatible with this version of macOS.

  Note: Docker supports Docker Desktop on the most recent versions of macOS. Free roulette game download for pc. That is, the current release of macOS and the previous two releases. Docker Desktop currently supports macOS Catalina, macOS Mojave, and macOS High Sierra.

  As new major versions of macOS are made generally available, Docker stops supporting the oldest version and support the newest version of macOS (in addition to the previous two releases).

• At least 4 GB of RAM.

• VirtualBox prior to version 4.3.30 must not be installed as it is not compatible with Docker Desktop.

What's included in the installer

The Docker Desktop installation includes Docker Engine, Docker CLI client, Docker Compose, Notary, Kubernetes, and Credential Helper.

Install and run Docker Desktop on Mac

1. Double-click Docker.dmg to open the installer, then drag the Docker icon to the Applications folder.

2. Double-click Docker.app in the Applications folder to start Docker. (In the example below, the Applications folder is in 'grid' view mode.)

   The Docker menu in the top status bar indicates that Docker Desktop is running, and accessible from a terminal.

   If you've just installed the app, Docker Desktop launches the onboarding tutorial. The tutorial includes a simple exercise to build an example Docker image, run it as a container, push and save the image to Docker Hub.

3. Click the Docker menu () to seePreferences and other options.

4. Select About Docker to verify that you have the latest version.

Congratulations! You are now successfully running Docker Desktop.

If you would like to rerun the tutorial, go to the Docker Desktop menu and select Learn.

Uninstall Docker Desktop

To unistall Docker Desktop from your Mac:

1. From the Docker menu, select Troubleshoot and then select Uninstall.
2. Click Uninstall to confirm your selection.

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Note: Uninstalling Docker Desktop will destroy Docker containers and images local to the machine and remove the files generated by the application.

Switch between Stable and Edge versions

Docker Desktop allows you to switch between Stable and Edge releases. However, you can only have one version of Docker Desktop installed at a time. Switching between Stable and Edge versions can destabilize your development environment, particularly in cases where you switch from a newer (Edge) channel to an older (Stable) channel.

For example, containers created with a newer Edge version of Docker Desktop maynot work after you switch back to Stable because they may have been createdusing Edge features that aren't in Stable yet. Keep this in mind asyou create and work with Edge containers, perhaps in the spirit of a playgroundspace where you are prepared to troubleshoot or start over. Slovenske online casino.

Experimental features are turned on by default on Edge releases. However, when you switch from a Stable to an Edge release, you must turn on the experimental features flag to access experimental features. From the Docker Desktop menu, click Preferences > Command Line and then turn on the Enable experimental features toggle. Click Apply & Restart for the changes to take effect.

To safely switch between Edge and Stable versions, ensure you save images and export the containers you need, then uninstall the current version before installing another. For more information, see the section Save and Restore data below.

Save and restore data

You can use the following procedure to save and restore images and container data. For example, if you want to switch between Edge and Stable, or to reset your VM disk:

1. Use docker save -o images.tar image1 [image2 ..] to save any images you want to keep. See save in the Docker Engine command line reference.

2. Use docker export -o myContainner1.tar container1 to export containers you want to keep. See export in the Docker Engine command line reference.

3. Uninstall the current version of Docker Desktop and install a different version (Stable or Edge), or reset your VM disk.

4. Use docker load -i images.tar to reload previously saved images. See load in the Docker Engine.

5. Use docker import -i myContainer1.tar to create a filesystem image corresponding to the previously exported containers. See import in the Docker Engine.

For information on how to back up and restore data volumes, see Backup, restore, or migrate data volumes.

Where to go next

• Getting started provides an overview of Docker Desktop on Mac, basic Docker command examples, how to get help or give feedback, and links to other topics about Docker Desktop on Mac.
• Troubleshooting describes common problems, workarounds, howto run and submit diagnostics, and submit issues.
• FAQs provide answers to frequently asked questions.
• Release notes lists component updates, new features, andimprovements associated with Stable releases. For information about Edge releases, seeEdge release notes.
• Get started with Docker provides a general Docker tutorial.

Bangalore Docker Meetup #21 at Infosys

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We had our last Docker Meetup at Infosys on 9th July'16. Though some 300 RSVPed but only 80 people attended. It is good to see company like Infosys coming forward and hosting such meetup. Thanks to Ganesh from Infosys for taking the lead here and making it happen.
He started the meetup with introduction about Infosys and then introduced the speakers. After that I talked about my DockerCon experience and briefed everyone about announcements made at DockerCon'16 like Docker 1.12, new Swarm mode, AWS and Azure beta, Window and Mac Beta etc.

Ajeet then talked about Docker 1.12 release, Docker Swarm. He talked about scaling, routing mesh, constraints etc. He then gave demo of Docker Swarm with Docker 1.12.

After that Aditya Patawari talked about Docker Networking. He talked about the kind of network available by default when we start Docker. Poker slot machine. He gave demo on bridge, host mode and overlay networks.

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Continuing on the network topic, Suraj talked about macvlan and ipvlan and gave excellent demos for both of them. With macvlan and ipvlan, container can get IP address from the local LAN.

We then moved to Docker security and as usual Srinivas Makam gave excellent session of Docker Security. I always learn something from him. He talked about namespaces, cgroups, capabilities, seccomp, SELinux, image scanning , Docker Engine secure access, best practices etc.

Lala then talked about atomic scan, which is a container vulnerability detection tool. He also talk SCAP, SCAP bench and gave a demo as well.

Raj Kiran from Infosys then talked about Docker for Developers and gave a demo with Netbeans.

Infosys team has recoded the sessions and hopefully they would share it in public domain soon. During the meetup we also announced about the Docker 1.12 hackathon and we are planning to hands-on with people who registered for hackathon on 16th July.

We would be doing the next Docker meetup some time in August 3rd week.