Systems Archives - Page 82 of 125

Announcing Docker Global Mentor Week 2016

Building on the the success of the Docker Birthday #3 Celebration and Training events earlier this year, we’re excited to announce the Docker Global Mentor Week November 14-19, 2016. This global event series aims to provide Docker training to both newcomers and intermediate Docker users. More advanced users will have the opportunity to get involved as mentors to further encourage connection and collaboration within the community.

mentor

The Docker Global Mentor Week is your opportunity to either #learndocker or help others #learndocker. Participants will work through self paced labs that will be available through an online Learning Management System (LMS). We’ll have different labs for beginners and intermediate users, Developers and Ops and Linux or Windows users.

Are you an advanced Docker user?

We are recruiting a network of mentors to help guide learners work through the labs. Mentors will be invited to attend local events to help answer questions attendees may have while completing the self-paced beginner and intermediate labs. To help mentors prepare for their events, we’ll be sharing the content of the labs and hosting a Q&A session with the Docker team before the start of the global mentor week.

Sign up as a Mentor!

With over 250 Docker Continue reading

Docker Announces Expansion To China Through Commercial Partnership with Alibaba Cloud

The containerization movement fueled by Docker has extended across all geographic boundaries since the very beginning. Some of Docker’s earliest success stories were from Chinese based, web-scale companies running Docker in production before Docker had released its 1.0 version. Additionally, through the grass roots efforts of the development community, we have thriving Docker Meetups in 20 of China’s largest cities. This is a testament to the innovative spirit within the Chinese developer community because the ability to deliver great community content from Docker Hub has been highly constrained. That is why a partnership with China’s largest public cloud provider is so significant. Docker, in concert with Alibaba Cloud, is going to deliver a China-based instance of Docker Hub to ensure optimal access and performance to the thousands of Dockerized images that will serve as the foundation of a new generation of distributed applications in China.

In addition to formally providing Dockerized content on Docker Hub to China, Docker is commercially partnering with Alibaba to address the substantial demand for running enterprise applications in containers. A June 2016 Alibaba Cloud survey indicates that more than 80% respondents are already using or plan to use containers. Together Alibaba Cloud and Continue reading

Announcing DockerCon 2017

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The Docker Team is excited to announce the next DockerCon will be in held in Austin, Texas from April 17-20. For anyone not in an event planning role, finding a venue is always an adventure. Finding a venue for a unique event such as DockerCon adds an extra layer of complexity. After inquiring on over 15 venues and visiting 3 cities, we are confident that we have chosen a great venue for DockerCon 2017 and the Docker community.

DockerCon US 2017: Austin

April 17-20, 2017

Between the lively tech community, amazing restaurants and culture, Austin will be a natural fit for DockerCon. A diverse range of companies such as Dell, Whole Foods Market, Rackspace, HomeAway and many more of the hottest IT startups call Austin home. We can’t wait to welcome back many returning DockerCon alumni as well as open the DockerCon doors to so many new attendees and companies in the Austin area.

One of the most exciting additions to the DockerCon program is an extra day of content! We reviewed every attendee survey from Seattle in June, debriefed with Docker Captains and others in the community and came to the overwhelming conclusion that two days was not enough Continue reading

Technology Short Take #72

Welcome to Technology Short Take #72. Normally, I try to publish these on Fridays, but some personal travel prevented that this time around so I’m publishing on a Monday instead. Enough of that, though…bring on the content! As usual, here’s my random collection of links, articles, and thoughts about various data center technologies.

Networking

Charles Min-Cheng Chan has a write-up on using IPv6 in Mininet.
How’s this for Technology Short Take inception—in TST #70, I mentioned the Cumulus topology converter. That prompted Cody Bunch to write this article on setting up a topology with BGP on Linux using the topology converter, which I’m now mentioning in this Technology Short Take. (Does your head hurt yet?)
PowerShell on Cumulus Linux on a network switch? Pete Lumbis shows you how. (There are some very interesting implications around this combination, but I’ll reserve that for a future discussion.)
Someone pointed me toward this article on using Sophos UTM for remote access to their home lab.
Lindsay Hill recently took Simon Wardley’s pioneers/settlers/town planners (PST) model—which is itself based on Cringely’s Accidental Empires book and the commandos/infantry/police model—and applied to it the networking industry. It’s a really good read and Continue reading

Docker Weekly Roundup | October 2, 2016

This week, our readers enjoyed some big Docker news, including the release of InfraKit, a toolkit for declarative infrastructure, a Windows 10 container guide, and a new open source project Image2Docker. As we begin a new week, let’s recap our top 5 most-read stories for the week of October 2, 2016:

InfraKit is a new declarative management toolkit for orchestrating infrastructure. InfraKit’s simple, pluggable components for a declarative infrastructure state, actively monitor and automatically reconcile that state.

Windows Server Container guide is designed to get setup to run Docker Windows Containers on Windows 10 or using a Windows Server 2016 VM.

Docs Repo On GitHub is a consolidation of all Docker documentation into a single Pages-based repository on GitHub. All documentation for Docker projects will now be open sourced for an easier than ever way to contribute to and stage the public docs.

Image2Docker is a new tool for prototyping Windows VM conversions to show how to replicate a VM Image to a container. The Powershell module can point at a virtual hard disk image, scan for common Windows components and suggest a Dockerfile.

Docker Compose Story is a tool for defining and running your multi-container Docker applications. Applications Continue reading

Ansible Container 0.2.0 Release

We’re excited to announce the release of Ansible Container 0.2.0. The last few months have been exciting. We’ve been working at a fever pitch to add new features, build examples, and resolve issues, while at the same time we’ve seen the interest level and participation rate of the project steadily grow. It’s been amazing, and we’re grateful to all those that helped by opening issues, contributing code, and spreading the word. Thank you!

Throughout this release cycle we heard from a number of users that being able to reuse existing Ansible content was critical. We focused on that, making Ansible roles a key part of this release. We came up with several enhancements that make it easy to access existing Ansible roles during the container build process. We added a feature to assist in retrofitting existing roles to be ‘container aware' and we looked to the future and imagined new ways roles could enhance the process of building and sharing containers.

Accessing Existing Roles

We heard several times that incorporating existing Ansible roles into the container build process needed to be easier. We solved this by creating a method for accessing roles from the local file system as Continue reading

How To Dockerize Vendor Apps like Confluence

Docker Datacenter customer, Shawn Bower of Cornell University recently shared their experiences in containerizing Confluence as being the start of their Docker journey.

Through that project they were able to demonstrate a 10X savings in application maintenance, reduce the time to build a disaster recovery plan from days to 30 minutes and improve the security profile of their Confluence deployment. This change allowed the Cloudification team that Shawn leads to start spending the majority of their time helping Cornelians to use technology to be innovative.

Since the original blog was posted, there’s been a lot of requests to get the pragmatic info on how Cornell actually did this project. In the post below, Shawn provides detailed instructions on how Confluence is containerized and how the Docker workflow is integrated with Puppet.

Written by Shawn Bower

As we started our Journey to move Confluence to the cloud using Docker we were emboldened by the following post from Atlassian. We use many of the Atlassian products and love how well integrated they are. In this post I will walk you through the process we used to get Confluence in a container and running.

First we needed to craft a Dockerfile. At Cornell Continue reading

A Triple-Provider Vagrant Environment

In this post, I’d like to share with you some techniques I used to build a triple-provider Vagrant environment—that is, a Vagrant environment that will work unmodified with multiple backend providers. In this case, it will work (mostly) unmodified with AWS, VirtualBox, and the VMware provider (tested with Fusion, but should work with Workstation as well). I know this may not seem like a big deal, but it marks something of a milestone for me.

Since I first started using Vagrant a couple of years ago, I’ve—as expected—gotten better and better at leveraging this tool in a flexible way. You can see this in the evolution of the Vagrant environments found in my GitHub “learning-tools” repository, where I went from hard-coded data values to pulling data from external YAML files.

One thing I’d been shooting for was a Vagrantfile that would work with multiple backend providers without any modifications, and tonight I managed to build an environment that works with AWS, VirtualBox, and VMware Fusion. There are still a couple of hard-coded values, but the vast majority of information is pulled from an external YAML file.

Let’s take a look at the Vagrantfile that I created. Here’s Continue reading

Introducing InfraKit, an open source toolkit for creating and managing declarative, self-healing infrastructure

Written by Bill Farner and David Chung

Docker’s mission is to build tools of mass innovation, starting with a programmable layer for the Internet that enables developers and IT operations teams to build and run distributed applications. As part of this mission, we have always endeavored to contribute software plumbing toolkits back to the community, following the UNIX philosophy of building small loosely coupled tools that are created to simply do one thing well. As Docker adoption has grown from 0 to 6 billion pulls, we have worked to address the needs of a growing and diverse set of distributed systems users. This work has led to the creation of many infrastructure plumbing components that have been contributed back to the community.

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It started in 2014 with libcontainer and libnetwork. In 2015 we created runC and co-founded OCI with an industry-wide set of partners to provide a standard for container runtimes, a reference implementation based on libcontainer, and notary, which provides the basis for Docker Content Trust. From there we added containerd, a daemon to control runC, built for performance and density. Docker Engine was refactored so that Docker 1.11 is built on top of containerd and runC, providing benefits Continue reading

What’s New in Tower 3: User Interface

In July, we released Ansible Tower 3. In this blog series, we will take a deeper dive into Tower changes that were all designed to make our product simpler and easier to scale Ansible automation across your environments. In our last post, our Senior Software Engineer Chris Meyers highlights what's new in the Tower 3 installer.

If you’d like to learn more about the release, our Director of Product Bill Nottingham for wrote a complete overview of the Ansible Tower 3 updates.

Simplifying the UX

The most common feedback we have received from existing Tower users concerns usability and the need to improve it. The Ansible Tower UI team was tasked to address this, along with new workflows and features, during the development of Tower 3. This was no small task as the team had to change every single page served to the user.

Tower 2.4.5 and earlier versions offered many ways of doing the same thing, often resulting in inconsistent flows and context switching. The team wanted the new interface to reflect how simple Ansible is. So the goal became offering a common flow for interacting with objects in the app and providing more context where possible.

Your Docker agenda for the month of October

From webinars to workshops, meetups to conference talks, check out our list of events that are coming up in October!

Online

Oct 13: Docker for Windows Server 2016 by Michael Friis

Oct 18: Docker Datacenter Demo by Moni Sallama and Chris Hines.

Official Docker Training Course

View the full schedule of instructor led training courses here!

Introduction to Docker: This is a two-day, on-site or classroom-based training course which introduces you to the Docker platform and takes you through installing, integrating, and running it in your working environment.

Oct 11-12: Introduction to Docker with Xebia – Paris, France

Oct 19-20: Introduction to Docker with Contino – London, United Kingdom

Oct 24-25: Introduction to Docker with AKRA – Krakow, Germany

Docker Administration and Operations: The Docker Administration and Operations course consists of both the Introduction to Docker course, followed by the Advanced Docker Topics course, held over four consecutive days.

Oct 3-6: Docker Administration and Operations with Azca – Madrid, Spain

Oct 11-15: Docker Administration and Operations with TREEPTIK – Paris, France

Oct 18-21: Docker Administration and Operations with Vizuri – Raleigh, NC

Oct 18-22: Docker Administration and Operations with TREEPTIK – Aix en Provence, France

Oct 24-27: Continue reading

Your Guide to LinuxCon and ContainerCon Europe

Hey Dockers! We had such a great time attending and speaking at LinuxCon and ContainerCon North America, that we are doing it again next week in Berlin – only bigger and better this time! Make sure to come visit us at booth #D38 and check out the awesome Docker sessions we have lined up:

Keynote!

Solomon Hykes, Docker’s Founder and CTO, will kick off LinuxCon with the first keynote at 9:25. If you aren’t joining us in Berlin, you can live stream his and the other keynotes by registering here.

Sessions

Tuesday October 4th:

11:15 – 12:05 Docker Captain Adrian Mouat will deliver a comparison of orchestration tools including Docker Swarm, Mesos/Marathon and Kubernetes.

12:15 – 1:05 Patrick Chanezon and David Chung from Docker’s technical team along with Docker Captain and maintainer Phil Estes will demonstrate how to build distributed systems without Docker, using Docker plumbing projects, including RunC, containerd, swarmkit, hyperkit, vpnkit, datakit.

2:30 – 3:20 Docker’s Mike Goelzer will introduce the audience to Docker Services in Getting Started with Docker Services, explain what they are and how to use them to deploy multi-tier applications. Mike will also cover load balancing, service discovery, scaling, security, deployment Continue reading

Docker Weekly Roundup | September 25, 2016

The last week of September 2016 is over and you know what that means; another Docker news roundup. Highlights include, a new commercial relationship between Docker and Microsoft, general availability of Docker containers on Windows Server 2016, and consolidation of Docker documentation on GitHub! As we begin a new week, let’s recap our five hottest stories:

Docker and Microsoft Partnership Docker announced a Commercial Partnership with Microsoft that doubles the container market by extending Docker Engine to Windows Server 2016.
Docker for Windows Server 2016 Microsoft announced general availability of Windows Server 2016, one of the most exciting new aspect of the announcement is that containers on Windows are powered by Docker.
Containers for Windows a step-by-step guide on containerized workload, the various components, such as the Docker client tools, the Docker daemon, and the virtual machine host for running containers by Bruno Terkaly.
New Docs Repo on GitHub announcement of consolidation of all Docker documentation into a new single Pages-based repository on GitHub.
Image2Docker a new prototyping tool created by Docker Captain Trevor Sullivan for Windows VMs that shows how to replicate a VM Image to a Docker container.

Weekly #roundup: Top 5 #Docker stories for the Continue reading

New Dockercast episode with Mano Marks from Docker

In case you missed it, we launched Dockercast, the official Docker Podcast last month including all the DockerCon 2016 sessions available as podcast episodes.

In this podcast, we meet Mano Marks, Director of Developer Relations at Docker. Mano catches us up on a lot of the new cool t Image result for mano marks hings that are going on with Docker. We get into the new Docker 1.12 engine/swarm built-in orchestration. We also talk about some cool stuff that is happening with Docker and Windows as well as Raspberry Pi and Docker.

You can find the latest #Dockercast episodes on the Itunes Store or via the SoundCloud RSS feed.

New #dockercast episode w/ host @botchagalupe & our very own @manomarks as a guest!
Click To Tweet

The post New Dockercast episode with Mano Marks from Docker appeared first on Docker Blog.

Image2Docker: A New Tool for Prototyping Windows VM Conversions

Docker is a great tool for building, shipping, and running your applications. Many companies are already moving their legacy applications to Docker containers and now with the introduction of the Microsoft Windows Server 2016, Docker Engine can not run containers natively on Windows.To make it even easier, there’s a new prototyping tool for Windows VMs that shows you how to replicate a VM Image to a container.

Docker Captain Trevor Sullivan recently released the Image2Docker tool, an open source project we’re hosting on GitHub. Still in it’s early stages, Image2Docker is a Powershell module that you can point at a virtual hard disk image, scan for common Windows components and suggest a Dockerfile. And to make it even easier, we’re hosting it in the Powershell Gallery to make it easy to install and use.

In Powershell, just type:

Install-Module -Name Image2Docker

And you’ll have access to Get-WindowsArtifacts and ConvertTo-Dockerfile. You can even select which discovery artifacts to search for.

Currently Image2Docker supports VHD, VHDK, and WIM images. If you have a VMDK, Microsoft provides a great conversion tool to convert VMDK images to VHD images.

And as an open source project, lead by a Docker Captain, it’s easy Continue reading

Ansible in GitHub’s Octoverse 2016

Recently GitHub released their State of the Octoverse 2016 which shows some really nice statistics and graphs of top projects, languages and organizations working on open source.

GitHub, in the spirit of full transparency, shared the methodology and queries used to generate the report. We used this dataset to understand where Ansible stacks up. One of the drawbacks in the approach where you are just considering single repositories is that you don’t get a good idea of where a single project broken out into multiple repositories would fall. In Ansible’s case, the project is broken down into three repositories:

Let's look at GitHub’s first graphic, Repositories with the most open source contributors. When you just consider Ansible’s Core Project repo we’re just barely out of the top 10 at 11^th place.¹

What does that number look like if we combine all three repositories that make up the Ansible project?²
Octoverse events actor count

As far as projects go that would have us in 5^th just behind Patchwork.
One of the facets that was most strange to me was the inclusion of Comments Continue reading

Why I’m Now Using VirtualBox with Vagrant

One of the things I often tell people is, “Use the right tool for the job.” As technologists, we shouldn’t get so locked onto any one technology or product that we can’t see when other technologies or products might solve a particular problem more effectively. It’s for this reason that I recently made VirtualBox—not VMware Fusion—my primary virtualization provider for Vagrant environments.

I know it seems odd for a VMware employee to use/prefer a non-VMware product over a competing VMware product. I’ve been a long-time Fusion user (since 2006 when I was part of the original “friends and family” early release). Since I started working with Vagrant about two years ago, I really tried to stick it out with VMware Fusion as my primary virtualization provider. I had a ton of experience with Fusion, and—honestly—it seemed like the right thing to do. After a couple of years, though, I’ve decided to switch to using VirtualBox as my primary provider for Vagrant.

Why? There’s a few different reasons:

Greater manageability: VirtualBox comes with a really powerful CLI tool, vboxmanage, that lets me do just about anything from the command line. In fact, the VirtualBox documentation refers to Continue reading

Build and run your first Docker Windows Server container

Today, Microsoft announced the general availability of Windows Server 2016, and with it, Docker engine running containers natively on Windows. This blog post describes how to get setup to run Docker Windows Containers on Windows 10 or using a Windows Server 2016 VM. Check out the companion blog posts on the technical improvements that have made Docker containers on Windows possible and the post announcing the Docker Inc. and Microsoft partnership.

Before getting started, It’s important to understand that Windows Containers run Windows executables compiled for the Windows Server kernel and userland (either windowsservercore or nanoserver). To build and run Windows containers, you have to have a Windows system with container support.

Windows 10 with Anniversary Update

For developers, Windows 10 is a great place to run Docker Windows containers and containerization support was added to the the Windows 10 kernel with the Anniversary Update (note that container images can only be based on Windows Server Core and Nanoserver, not Windows 10). All that’s missing is the Windows-native Docker Engine and some image base layers.

The simplest way to get a Windows Docker Engine is by installing the Docker for Windows public beta (direct download link). Docker for Continue reading

Real-time Insights Into App Delivery with Ansible Tower Data in Splunk

Here at Ansible by Red Hat, we’re always looking for ways to make Ansible more useful when automating all the things.

That being said, most people know this UI when they see it:

When we ask Ansible users about their favorite tools, Splunk is a very common answer. Splunk software is at its most powerful when it is used to aggregate and correlate data from numerous sources across your environment. However, there hasn't been an easy way to use Splunk to analyze data from Ansible Tower job runs.

Not any longer. Today we’re happy to announce the result of our latest integration project - the Ansible Tower App for Splunk.

The value of analytics platforms such as Splunk, is the ability to collect and correlate machine data including environment events with the actions that caused them. Application lifecycle management teams need the ability to correlate deployment-related data (i.e. Tower job runs) with host events (i.e. system and service logs).

Picture the following scenario:
A development team is working to release a new version of their application. What is the easiest way for a team to validate the success of the application deployment process?

The Ansible Tower app for Splunk allows a team to deploy Continue reading

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