Category: VMWare Page 1 of 7

VMworld Call For Papers opened, some tips…

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For the past 8 years or so I have presented at VMworld, I think I have submitted sessions for the past 10 years or so. I probably submitted well over 60 sessions, and I mean “WELL …

Startup update: Runecast

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A while ago I introduced Runecast on my blog. I have known these guys for a while and this week I had to pleasure to be briefed on their new release: Runecast 1.7. The big …

Some Tools to Help Learn Kubernetes

Kubernetes is emerging as the clear leader in the container orchestration space. This makes it an important technology to know and understand. However, like other distributed systems, learning something like Kubernetes can be challenging due to the effort involved in …

Technology Short Take 94

Welcome to Technology Short Take 94! Ready for another round of links, articles, and thoughts on data center technologies? (Who knows, maybe I’ll throw a rant or two in there.) OK, enough rambling…here’s the good stuff!

Networking

  • Amit Aneja has

Changing advanced vSphere FT related settings, is that supported?

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This week I received a question around changing the values for vSphere FT related advanced settings. This customer is working on an environment where uptime is key. Of course the application layer is one side, but …

Using a vSphere custom TCP/IP Stack for iSCSI

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I noticed a question today on an internal slack channel and it was about the use of custom TCP/IP stacks for iSCSI storage environments. Cormac and I updated a bunch of Core Storage whitepapers recently, and …

Running OVS on Fedora Atomic Host

In this post, I’d like to share the results of some testing I’ve been doing to run Open vSwitch (OVS) in containers on a container-optimized Linux distribution such as Atomic Host (Fedora Atomic Host, specifically). I’m still relatively early in …

Using Docker Machine with Azure

I’ve written about using Docker Machine with a number of different providers, such as with AWS, with OpenStack, and even with a local KVM/Libvirt daemon. In this post, I’ll expand that series to show using Docker Machine …

Congratulations to Community Warrior, @daphnissov

Submit a nomination for the next VMTN Community Warrior. In 2018, this program will continue recognizing users who commit time and energy to engaging with peers in the VMTN community. Learn more.

VMware Technology Network’s newest Community Warrior, …

An Update on Using Docker Machine with Vagrant

As part of a project on which I’m working, I’ve been spending some time working with Docker Machine and Vagrant over the last few days. You may recall that I first wrote about using these two tools together back in …

Where did ESXi 6.5.0 build 7526125 go?

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I had two customers asking today what happened to ESXi 6.5 build 7526125. They downloaded patches and installed them in their test environment. Ready to patch some of their clusters they did a validation and found …

Coming to a VMUG in EMEA near you…

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I just came back from the VMUG in Denmark, which was a great event, and I figured I would share what I have planned right now for the upcoming months. I hope to be able to …

Technology Short Take 93

Welcome to Technology Short Take 93! Today I have another collection of data center technology links, articles, thoughts, and rants. Here’s hoping you find something useful!

Networking

vSAN Adaptive Resync, what does it do?

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I am starting to get some more questions about vSAN Adaptive Resync lately. This was introduced a while back, but is also available in the latest versions of vSAN through vSphere 6.5 Patch 02. As a …

Where is the vSAN storage performance proactive test in vSphere 6.5 U1 patch 02?

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I had some customers asking where the storage performance proactive test and the multicast proactive test was in the latest release of vSAN. In the past this is what the UI looked like when they would …

Experimenting with Azure

I’ve been experimenting with Microsoft Azure recently, and I thought it might be useful to share a quick post on using some of my favorite tools with Azure. I’ve found it useful to try to leverage existing tools whenever I …

Issue with VMware-Formatted Cumulus VX Vagrant Box

I recently had a need to revisit the use of Cumulus VX (the Cumulus Networks virtual appliance running Cumulus Linux) in a Vagrant environment, and I wanted to be sure to test what I was doing on multiple virtualization platforms. …

Can I use a custom TCP/IP stack for the vSAN Network?

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I got this question today if you can use a custom TCP/IP stack for the vSAN Network, and I had this before. This question is usually asked by customers who have a stretched cluster as the …

The Community Pulse – Top VMTN Content in December 2017

Happy New Year, VMware Community!

Welcome to the Community Pulse – a monthly blog series that packages and delivers the most trafficked content in the VMTN forums for your consumption.

Get a kick start to 2018 by reading about the …

Technology Short Take 92

Welcome to Technology Short Take 92, the first Technology Short Take of 2018. This one was supposed to be the last Tech Short Take of 2017, but I didn’t get it published in time (I decided to spend time with …

Looking Back: 2017 Project Report Card

As has become my custom for the past several years, I wanted to take a look at how well I fared on my 2017 project list. Normally I’d publish this before the end of 2017, but during this past …

Happy 10th Birthday Yellow-Bricks.com

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Just wanted to share with all of you the fact that this week marks the 10th anniversary of Yellow-Bricks.com. Crazy thinking back about how it all started, and what it turned in to. Thanks everyone for …

Holiday gift: vSAN Essentials book available for free

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Christmas is coming so Cormac and I figured we would do something special for everyone, after a long debate we decided to make the vSAN Essentials book available for free. Note that this is the “Essential …

vExpert 2018 Applications are Now Open

Applications for the 2018 vExpert program are now open. Applications will be accepted until January 19th at midnight PDT. The vExpert 2018 announcement will be on February 16th 2018. 

vExpert

The VMware vExpert program is VMware’s global evangelism and advocacy program. …

Installing XMind 8 on Fedora 27

XMind is a well-known cross-platform mind mapping application. Installing the latest version of XMind (version 8) on Linux is, unfortunately, more complicated than it should be. In this post, I’ll show how to get XMind 8 running on Fedora 27.…

Installing the VMware Horizon Client on Fedora 27

In this post, I’ll outline the steps necessary to install the VMware Horizon client for Linux on Fedora 27. Although VMware provides an “install bundle,” the bundle does not, unfortunately, address any of the prerequisites that are necessary in order …

Contribute to VMTN Challenge Lab Communities to Win an Amazon Echo

VMware Hands-on Labs and VMware Technology Network have partnered to create a new learning resource: the VMTN Challenge Lab Communities.

What are the VMTN Challenge Lab Communities? These are six new communities based on the six Hands-on Labs …

Using Vagrant with Azure

In this post, I’ll describe how to use Vagrant with Azure. You can consider this article an extension of some of my earlier Vagrant articles; namely, the posts on using Vagrant with AWS and using Vagrant with OpenStack. …

Powerpoint for Mac switching resolution?

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I’ve had this issue for a long time. Whenever I would open PowerPoint and present using a projector all my diagrams and screenshot would show up fuzzy. Even if I would set up the screen configuration …

Insufficient configured resources to satisfy the desired vSphere HA failover level

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I was going over some of the VMTN threads and I noticed an issue brought up with Admission Control a while ago. Completely forgot about it until it was brought up again internally. With vSphere 6.5 …

Technology Short Take 91

Welcome to Technology Short Take 91! It’s been a bit longer than usual since the last Tech Short Take (partly due to the US Thanksgiving holiday, partly due to vacation time, and partly due to business travel), so apologies for …

Installing the Azure CLI on Fedora 27

This post is a follow-up to a post from earlier this year on manually installing the Azure CLI on Fedora 25. I encourage you to refer back to that post for a bit of background. I’m writing this post …

Using Vagrant with Libvirt on Fedora 27

In this post, I’m going to show you how to use Vagrant with Libvirt via the vagrant-libvirt provider when running on Fedora 27. Both Vagrant and Libvirt are topics I’ve covered more than a few times here on this site, …

The #CloudCred, VMUG Virtual December

Get into the Game! The #CloudCred, VMUG Virtual December Challenge

The #CloudCred, VMUG Virtual December Challenge

On Wednesday, December 13, VMUG will host a FREE day-long event meant to empower attendees through education, training, and collaboration – all with the …

Using HA VM Component Protection in a mixed environment

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I have some customers who are running both traditional storage and vSAN in the same environment. As most of you are aware, vSAN and VMCP do not go together at this point. So what does that …

AWS re:Invent 2017 Keynote with Andy Jassy

This is a liveblog of the re:Invent 2017 keynote with Andy Jassy, taking place on Wednesday at the Venetian. As fully expected given the long queues and massive crowds, even arriving an hour early to the keynote isn’t soon enough; …

Liveblog: Deep Dive on Amazon Elastic File System

This is a liveblog of the AWS re:Invent 2017 session titled “Deep Dive on Amazon Elastic File System (EFS).” The presenters are Edward Naim and Darryl Osborne, both with AWS. This is my last session of day 2 of re:Invent; …

Liveblog: IPv6 in the Cloud – Protocol and Service Overview

This is a liveblog of an AWS re:Invent 2017 breakout session titled “IPv6 in the Cloud: Protocol and Service Overview.” The presenter’s name is Alan Halachmi, who is a Senior Manager of Solutions Architecture at AWS. As with so many …

A Sample Makefile for Creating Blog Articles

In October of this year, I published a blog post talking about a sample Makefile for publishing blog articles. That post focused on the use of make and a Makefile for automating the process of a publishing a blog …

Sharing the #TechConfessions video

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At VMworld I sat down with Amy Lewis and had my Tech Confession. Where/When/How did I have my Software Defined  world.

I would also highly recommend the tech confession by William Lam and Alan Renouf, …

Installing MultiMarkdown 6 on Fedora 27

Long-time readers are probably aware that I’m a big fan of Markdown. Specifically, I prefer the MultiMarkdown variant that adds some additional extensions beyond “standard” Markdown. As such, I’ve long used Fletcher Penny’s MultiMarkdown processor (the latest version, version …

Using Docker Machine with KVM and Libvirt

Docker Machine is, in my opinion, a useful and underrated tool. I’ve written before about using Docker Machine with various services/providers; for example, see this article on using Docker Machine with AWS, or this article on using Docker Machine

Happy Thanksgiving 2017

In the US, today (Thursday, November 23) is Thanksgiving. I’d like to take a moment to reflect on the meaning of Thanksgiving.

Thanksgiving means different things to different people:

  • To folks outside the US, it often just a day with

Installing Older Docker Client Binaries on Fedora

Sometimes there’s a need to have different versions of the Docker client binary available. On Linux this can be a bit challenging because you don’t want to install a “full” Docker package (which would also include the Docker daemon); you …

Isolation Address in a 2-node direct connect vSAN environment?

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As most of you know by now, when vSAN is enabled vSphere HA uses the vSAN network for heartbeating. I recently wrote an article about the isolation address and relationship with heartbeat datastores. In the …

Installing Postman on Fedora 27

I recently had a need to install the Postman native app on Fedora 27. The Postman site itself only provides a link to the download and a rather generic set of instructions for installing the Postman native app (a link …

Making AWS re:Invent More Family-Friendly

AWS re:Invent is just around the corner, and Spousetivities will be there to help bring a new level of family friendliness to the event. If you’re thinking of bringing a spouse, partner, or significant other with you to Las Vegas, …

The VMTN Community Pulse – October 2017

The Community Pulse is a blog delivering the most trafficked threads from the past month, to help you stay up to date with relevant technical content from VMware community members around the world. The VMTN forums are a learning tool …

Technology Short Take 90

Welcome to Technology Short Take 90! This post is a bit shorter than most, as I’ve been on the road quite a bit recently. Nevertheless, there’s hopefully something here you’ll find useful.

Networking

  • VMware recently released an updated to PowerCLI

vSphere HA heartbeat datastores, the isolation address and vSAN

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I’ve written about vSAN and vSphere HA various times, but I don’t think this has been explicitly called out before. Cormac and I were doing some tests this week and noticed something. When we were looking …

How to Tag Docker Images with Git Commit Information

I’ve recently been working on a very simple Flask application that can be used as a demo application in containerized environments (here’s the GitHub repo). It’s nothing special, but it’s been useful for me as a learning exercise—both from …

Deep Dive into Container Images in Kolla

This is a liveblog of my last session at the Sydney OpenStack Summit. The session title is “OpenStack images that fit your imagination: deep dive into container images in Kolla.” The presenters are Vikram Hosakote and Rich Wellum, from Cisco …

Carrier-Grade SDN-Based OpenStack Networking Solution

This session was titled “Carrier-Grade SDN Based OpenStack Networking Solution,” led by Daniel Park and Sangho Shin. Both Park and Shin are from SK Telecom (SKT), and (based on the description) this session is a follow-up to a session from …

Can OpenStack Beat AWS in Price

This is a liveblog of the session titled “Can OpenStack Beat AWS in Price: The Trilogy”. The presenters are Rico Lin, Bruno Lago, and Jean-Daniel Bonnetot. The “trilogy” refers to the third iteration of this presentation; each time the comparison …

Lessons Learnt from Running a Container-Native Cloud

This is a liveblog of the session titled “Lessons Learnt from Running a Container-Native Cloud,” led by Xu Wang. Wang is the CTO and co-founder of Hyper.sh, a company that has been working on leveraging hypervisor isolation for containers. This …

Make Your Application Serverless

This is a liveblog from the last day of the OpenStack Summit in Sydney, Australia. The title of the session is “Make Your Application Serverless,” and discusses Qinling, a project for serverless (Functions-as-a-Service, or FaaS) architectures/applications on OpenStack. The presenters …

Have you read the vSphere Host Resources Deepdive book yet?

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Well if you haven’t read (or bought) the vSphere Host Resources Deepdive book yet then this may be worth your time. Rubrik and VMUG are giving away FREE ebook copies to everyone who simply registers. I …

How to Deploy 800 Servers in 8 Hours

This is a liveblog of the session titled “How to deploy 800 nodes in 8 hours automatically”, presented by Tao Chen with T2Cloud (Tencent).

Chen takes a few minutes, as is customary, to provide an overview of his employer, T2cloud, …

IPv6 Primer for Deployments

This is a liveblog of the OpenStack Summit Sydney session titled “IPv6 Primer for Deployments”, led by Trent Lloyd from Canonical. IPv6 is a topic with which I know I need to get more familiar, so attending this session seemed …

Battle Scars from OpenStack Deployments

This is the first liveblog from day 2 of the OpenStack Summit in Sydney, Australia. The title of the session is “Battle Scars from OpenStack Deployments.” The speakers are Anupriya Ramraj, Rick Mathot, and Farhad Sayeed (two vendors and an …

Kubernetes on OpenStack: The Technical Details

This is a liveblog of the OpenStack Summit session titled “Kubernetes on OpenStack: The Technical Details”. The speaker is Angus Lees from Bitnami. This is listed as an Advanced session, so I’m hoping we’ll get into some real depth in …

Issues with OpenStack That Are Not OpenStack Issues

This is a liveblog of OpenStack Summit session on Monday afternoon titled “Issues with OpenStack that are not OpenStack Issues”. The speaker for the session is Sven Michels. The premise of the session, as I understand it, is to discuss …

To K8s or Not to K8s Your OpenStack Control Plane

This is a liveblog of the Monday afternoon OpenStack Summit session titled “To K8s or Not to K8s Your OpenStack Control Plane”. The speaker is Robert Starmer of Kumulus Technologies. This session is listed as a Beginner-level session, so I’m …

OpenStack Summit Sydney Day 1 Keynote

This is a liveblog of the day 1 keynote here at the OpenStack Summit in Sydney, Australia. I think this is my third or fourth trip to Sydney, and this is the first time I’ve run into inclement weather; it’s …

A Sublime Text Keymap for Bracketeer

I’ve made no secret of the fact that I’m a fan of Sublime Text (ST). I’ve evaluated other editors, like Atom, but still find that ST offers the right blend of performance, functionality, customizability, and cross-platform support. One nice …

vSphere and iSCSI storage best practices

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And here’s the next paper I updated. This time it is the iSCSI storage best practices for vSphere. It seems that we have now overhauled most of the core storage white papers. You can find them …

Strange Error with the Azure CLI

Over the last week or so, I’ve been trying to spend more time with Microsoft Azure; specifically, around some of the interesting things that Azure is doing with containers and Kubernetes. Inspired by articles such as this one

vExpert Cloud 2017 Award Announcement

Thank you to everyone who applied for vExpert Cloud. We had a lot of applications for this program and we are pleased to announce the list of 2017 vExperts who received the vExpert Cloud award.

Each of these vExperts has …

Technology Short Take 89

Welcome to Technology Short Take 89! I have a collection of newer materials and some older materials this time around, but hopefully all of them are still useful. (I needed to do some housekeeping on my Instapaper account, which is …

Posts from the Past, October 2017

After over 12 years of writing here, I’ve accumulated a pretty fair amount of content. To help folks discover older content, I thought it might be fun to revisit what I’ve published in October in years past. Here are some …

The Linux Migration: Wrap-Up

As many readers are probably already aware, I embarked on a journey earlier this year to make Linux my primary laptop OS (see this update from April of this year). That journey ended (for now) when I ordered a new …

New whitepaper available: vSphere Metro Storage Cluster Recommended Practices (6.5 update)

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I had many requests for an updated version of this paper, so the past couple of weeks I have been working hard. The paper was outdated as it was last updated around the vSphere 6.0 timeframe, …

Congratulations to VMTN Community Warrior, @rcporto

Submit a nomination for the next VMTN Community Warrior. In 2017, this program will be recognizing users who commit time and energy to engaging in the VMTN community. Learn more.

This week’s Community Warrior burst into the VMware Technology

Denver Network Programmability User Group Meeting

If you live (or will be) in Denver next week—specifically, on Wednesday, November 1—I’ll be joining the Denver Network Programmability User Group (NPUG) to talk about network programmability and my recent book with Jason Edelman and Matt Oswalt around network …

A Sample Makefile for Publishing Blog Articles

As some readers may already know, this site has been running on a static site generator since late 2014/early 2015, when I migrated from WordPress to Jekyll on GitHub Pages. I’ve since migrated again, this time to Hugo on

Looking Under the Hood: containerD

This is a liveblog of the session titled “Looking Under the Hood: containerD”, presented by Scott Coulton with Puppet (and also a Docker Captain). It’s part of the Edge track here at DockerCon EU 2017, where I’m attending and liveblogging …

Building a Secure Supply Chain

This is a liveblog of the session titled “Building a Secure Supply Chain,” part of the Using Docker track at DockerCon EU 2017 in Copenhagen. The speakers are Ashwini Oruganti (@ashfall on Twitter) and Andy Clemenko (@aclemenko

Docker EE Deep Dive

This is a liveblog of the session titled “Docker EE Deep Dive,” part of the Docker Best Practices track here at DockerCon EU 2017 in Copenhagen, Denmark. The speaker is Patrick Devine, a Product Manager at Docker. I had also …

DockerCon EU 2017 Day 2 Keynote

This is a liveblog of the day 2 keynote/general session here in Copenhagen, Denmark, at DockerCon EU 2017. Yesterday’s keynote (see the liveblog here) featured the hotly-anticipated Kubernetes announcement (I shared some thoughts here), so it will be …

Some Thoughts on the Docker-Kubernetes Announcement

Today at DockerCon EU, Docker announced that the next version of Docker (and its upstream open source project, the Moby Project) will feature integration with Kubernetes (see my liveblog of the day 1 general session). Customers will be able …

Container-Relevant Kernel Developments

This is a liveblog of a Black Belt track session at DockerCon EU in Copenhagen. The session is named “Container-Relevant Kernel Developments,” and the presenter is Tycho Andersen.

Andersen first presents a disclaimer that the presentation is mostly a brain …

LinuxKit Deep Dive

This is a liveblog of the DockerCon EU session titled “LinuxKit Deep Dive”. The speakers are Justin Cormack and Rolf Neugebauer, both with Docker, and this session is part of the “Black Belt” track here at DockerCon.

So what is …

Rock Stars, Builders, and Janitors: You’re Doing it Wrong

This is a liveblog of the session titled “Rock Stars, Builders, and Janitors: You’re Doing it Wrong”. The speaker is Alice Goldfuss (@alicegoldfuss) from GitHub. This session is part of the “Transform” track at DockerCon; I’m attending it …

DockerCon EU 2017 Day 1 Keynote

This is a liveblog of the day 1 keynote/general session at DockerCon EU 2017 in Copenhagen, Denmark. Prior to the start of the keynote, attendees are “entertained” by occasional clips of some Monty Python-esque production.

At 9:02, the lights go …

Technology Short Take 88

Welcome to Technology Short Take #88! Travel is keeping me pretty busy this fall (so much for things slowing down after VMworld EMEA), and this has made it a bit more difficult to stick to my self-imposed biweekly schedule for …

New white paper available: vSphere APIs for I/O Filtering (VAIO)

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Over the past couple of weeks Cormac Hogan and I have been updating various Core Storage white papers which had not been touched in a while for different reasons. We were starting to see more and …

What is the overhead for Swap in a stretched cluster?

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Last week internally we had a debate about the overhead of a swap file in a stretched cluster. With the ability to have a double protection (across site and within a site) the question was what …

The difference between an isolation and a partition with vSphere

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I have a lot of discussions with customers on the topic of stretched clusters, but also regular vSphere clusters. Something that often comes up is the discussion around what happens in an isolation or partition scenario. …

Congratulations to #VMTN Community Warrior, @sreec

Submit a nomination for the next VMTN Community Warrior. In 2017, this program will be recognizing and rewarding users who commit time and energy to engaging in the VMTN community. Learn more.

The VMTN Community Warrior program is back …

Extract embedded video file from Powerpoint on OSX

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I received a couple of presentations over the past weeks which had an embedded video file in it, but needless to say this article will handle all types of embedded files. I needed the source file …

Which disk controller to use for vSAN

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I have many customers going through the plan and design phase for implementing a vSAN based infrastructure. Many of them have conversations with OEMs and this typically results in a set of recommendations in terms of …

Upcoming Spousetivities Events

Long-time readers/followers know that my wife, Crystal, runs a program called Spousetivities. This program organizes events for spouses/partners/significant others at IT industry conferences. This fall is a particularly busy season for Crystal and Spousetivities, as she’ll be organizing events …

VMworld vSAN Sessions Playlist

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I just created a simple playlist up on youtube which has most (if not all) vSAN sessions on there. If you are interested in vSAN simply have a look at the playlist and pick what you …

The VMUG Virtual Event for EMEA & CloudCred Competition

Get into the Game! VMUG & CloudCred Competition

The VMUG Virtual Event for EMEA

On Thursday, September 28, VMUG will host a FREE day-long event meant to empower attendees through education, training, and collaboration – all with the goal of …

Technology Short Take #87

Welcome to Technology Short Take #87! I have a mix of newer and older items for you this time around. While I’m a bit short on links in some areas, hopefully this is outweighed by some good content in other …

Some Static Site Resources

Over the last few days—prompted perhaps by my article with some additional information on my site migration—a few folks in the community have reached out to me to share some resources they thought I might find useful. In turn, I’d …

Liveblog: Cloud Native Infrastructure

This is a liveblog of the HashiConf 2017 session titled “Cloud Native Infrastructure.” The speaker is Kris Nova, a Senior Developer Advocate at Microsoft. Kris, along with Justin Garrison, authored the O’Reilly Cloud Native Infrastructure book (more information here). …

HashiConf 2017 Wrap Up

HashiConf 2017 is a wrap for me, and as I’m sitting here at the airport lounge in Austin I’d thought I’d post links back to the liveblogs I published as well as a few thoughts on the conference overall.

Liveblogs

HashiConf 2017 Day 2 Keynote

This is a liveblog of the day 2 keynote (general session) at HashiConf 2017 in Austin, TX. Speakers today will (apparently, based on the schedule) include someone from Amazon Web Services and Kelsey Hightower from Google.

The keynote starts off …

Liveblog: Terraform Abstractions for Safety and Power

This is a liveblog for the HashiConf 2017 session titled “Terraform Abstractions for Safety and Power.” The speaker is Calvin French-Owen, Founder and co-CTO at Segment.

French-Owen starts by describing Segment, and providing a quick overview of Segment’s use of …