Scott Lowe

AUGUST 30, 2013

Basically, the statement was that it was possible to create do-it-yourself network virtualization. What are the core components of a network virtualization solution? Programmable edge virtual switches in the hypervisor. That got me thinking: is it true? This has some pretty serious implications, which I’ll describe below.

Virtualization 60

Virtualization Network Linux Open Source 60

Scott Lowe

OCTOBER 18, 2012

Over the last few days, I’ve been unsuccessfully trying to get Open vSwitch (OVS) running on Red Hat Enterprise Linux (RHEL) 6.3 (as The rationale behind this is that RHEL/CentOS are the sort of battle-tested, well-supported Linux distributions that enterprises will (and do) deploy in their data centers.

Enterprise 109

Enterprise Enterprise Linux Virtualization 109

Scott Lowe

MARCH 20, 2020

Welcome to Technology Short Take #125, where I have a collection of articles about various data center and cloud technologies collected from around the Internet. Michael Dales shares his experience trying out Windows 10 and Windows Subsystem for Linux (WSL) as a Linux development environment. Virtualization.

Linux 60

Linux Vmware Authentication Storage 60

Scott Lowe

APRIL 6, 2017

I have another collection of links, articles, and thoughts about key data center technologies, and hopefully I’ve managed to include something here that will prove useful or thought-provoking. Here’s a handy list of deprecated Linux network commands and their replacements. Virtualization. Networking.

Vmware 60

Vmware Linux Storage Network 60

Linux Academy

JANUARY 26, 2019

Cloud computing is not just about having virtual servers in an off-premises data center. When he saw the costs of the infrastructure, networking, and other cloud resources he asked, “Why would we ever do anything in our own data center again?”.

Cloud 60

Cloud Data Center Artificial Intelligence Applications 60

Scott Lowe

FEBRUARY 16, 2017

Here’s another collection of links and articles from around the Internet discussing various data center-focused technologies. The rise of the disaggregated network operating system (NOS) marches on: this time, it’s Big Switch Networks announcing expanded hardware support in Open Network Linux (ONL) , upon which its own NOS is based.

Vmware 60

Vmware Linux Storage Load Balancer 60

Linux Academy

NOVEMBER 7, 2019

Every service they offer is hosted in one of its data centers, which are organized into regions and availability zones. A VPC, or Virtual Private Cloud, is another critical piece of Amazon Web Services architecture. S3 is Amazon’s Simple Storage Service, and true to its name, it is pretty simple once you understand it.

Web Services 103

Web Services Storage Linux Cloud 103

Scott Lowe

NOVEMBER 7, 2014

That’s right, it’s time for yet another collection of links and articles from around the Internet on various data center-related technologies, products, projects, and efforts. It was good to read this post on Cumulus Linux first impressions by Jeremy Stretch. Virtualization. Servers/Hardware.

Vmware 65

Vmware Linux Storage Virtualization 65

Scott Lowe

AUGUST 21, 2020

” Want to use a Yubikey to automatically lock and unlock your Linux system? Via Ivan Pepelnjak (who in turn got it from Julia Evans), I learned about entr , a Linux CLI tool to run arbitrary commands when files change. Gergely Orosz shares some data structures and algorithms he actually used at a few different tech companies.

Handbook 60

Handbook Linux Storage Windows 60

Scott Lowe

JUNE 4, 2013

Welcome to Technology Short Take #33, the latest in my irregularly-published series of articles discussing various data center technology-related links, articles, rants, thoughts, and questions. Tom Nolle asks the question , “Is virtualization reality even more elusive than virtual reality?” Virtualization.

HP 105

HP Virtualization Hardware Network 105

Scott Lowe

FEBRUARY 6, 2014

Welcome to Technology Short Take #38, another installment in my irregularly-published series that collects links and thoughts on data center-related technologies from around the web. Speaking of Cumulus Linux…did you see the announcement that Dell has signed a reseller agreement with Cumulus Networks? Networking.

Linux 60

Linux Vmware Storage Virtualization 60

Scott Lowe

AUGUST 11, 2016

In this post you’ll find a collection of links to articles discussing the major data center technologies—networking, hardware, security, cloud computing, applications, virtualization…you name it! (If Numan Siddique describes the native DHCP support available in OVN (Open Virtual Network). Virtualization.

Vmware 60

Vmware Hardware Storage Linux 60

Scott Lowe

JANUARY 14, 2016

Cumulus VX, if you aren’t aware, is a community-supported virtual appliance version of Cumulus Linux aimed at helping folks preview and test “full-blown” Cumulus Linux (which, of course, requires compatible hardware). In case you’re interested, here’s a collection of storage trends and predictions for 2016.

Vmware 60

Vmware Devops Storage Linux 60

Scott Lowe

DECEMBER 6, 2012

This is my usual collection of links, thoughts, rants, and ideas about data center-related technologies. Rainier” will allow customers to combine PCIe-based SSD storage inside servers into a “virtual SAN” (now there’s an original and not over-used term). Virtualization. Networking.

Vmware 108

Vmware Virtualization Storage Hardware 108

Scott Lowe

NOVEMBER 17, 2016

In any case, enough of that—here’s some data center-related content that I hope you find useful! Cumulus Networks recently introduced the Cumulus Linux Network Command Line Utility (NCLU) , which provides a more unified front-end to configuring switches running Cumulus Linux. Virtualization. Networking.

Linux 60

Linux Vmware Storage Network 60

Scott Lowe

JULY 22, 2013

Welcome to Technology Short Take #34, my latest collection of links, articles, thoughts, and ideas from around the web, centered on key data center technologies. Greg Ferro, aka EtherealMind, has a great series of articles on overlay networking (a component technology used in a number of network virtualization solutions).

Vmware 106

Vmware Virtualization Network Linux 106

Scott Lowe

FEBRUARY 2, 2017

I’ve got a new collection of links and articles from around the Web on various data center-focused technologies. Michael Kashin has a great article on how Open Virtual Network (OVN, part of the Open vSwitch project) implements virtual networks in OpenStack. Virtualization. Networking. Good advice.

Linux 60

Linux Network Virtualization IPv6 60

Scott Lowe

FEBRUARY 28, 2022

Ivan Pepelnjak does a great job of describing all the things you really shouldn’t do (or don’t really need to do) when trying to deal with migrating container hosts in a data center fabric. Rory McCune writes about a CVE in the Linux kernel that could allow for container escape in Kubernetes. Virtualization.

Storage 79

Storage Hardware Policies Open Source 79

Scott Lowe

DECEMBER 29, 2016

Until then, here’s some data center-related articles and links for your enjoyment. Andrey Khomyakov shares some information on automating the setup of whitebox switches running Cumulus Linux in part 2 of this series on learning network automation. Alpine Linux 3.5 Virtualization. Networking. was recently released.

Vmware 60

Vmware Linux Open Source Data Center 60

Scott Lowe

JULY 21, 2016

In this post, I’ve collected a variety of links related to major data center technology areas. First up, there’s a great article on using IPVLAN with Docker and Cumulus Linux (with a tie back to sFlow, naturally!). Here’s a walkthrough by Cody Bunch on setting up BGP on Linux with Cumulus Quagga. Networking.

Vmware 60

Vmware Linux Storage Hardware 60

Fountainhead

MAY 5, 2009

Insights into Data Center Infrastructure, Virtualization, and Cloud Computing. One of those new technologies in the Enterprise Data Center space is what I call Infrastructure Orchestration (others term it fabric computing or unified computing ). skip to main | skip to sidebar. Fountainhead. Tuesday, May 5, 2009.

Data Center 100

Data Center Virtualization Disaster Recovery Storage 100

Scott Lowe

JUNE 2, 2016

Dmitri Kalintsev examines some options for addressing storage-related connectivity in NSX environments. I’m not yet convinced that running something like the AWS CLI in a Docker container is worth the extra effort (a Python virtual environment may be more appropriate here). Virtualization. Servers/Hardware. Career/Soft Skills.

Vmware 60

Vmware Virtualization Linux Windows 60

Linux Academy

FEBRUARY 21, 2019

I like to think of it this way: The cloud is a grouping of resources (compute, storage, network) that are available to be used in a manner that makes them both highly available and scalable, either up or down, as needed. I like to think of them as a single virtual machine host in a traditional data center.

Cloud 68

Cloud Resources Fashion Linux 68

Scott Lowe

FEBRUARY 7, 2013

Reinforce base Linux knowledge. I’ll be focusing on Red Hat Enterprise Linux (RHEL) and RHEL variants, since that seems to be what’s most commonly found in enterprise deployments today. As with my base Linux knowledge, my primary goal here is to be able to do most anything that I need to do with Puppet.

Linux 91

Linux Data Center Network Open Source 91

Scott Lowe

AUGUST 8, 2014

Welcome to Technology Short Take #43, another episode in my irregularly-published series of articles, links, and thoughts from around the web, focusing on data center technologies like networking, virtualization, storage, and cloud computing. Virtualization. Here’s hoping you find something useful.

Vmware 60

Vmware Linux Virtualization Network 60

Scott Lowe

JANUARY 14, 2016

Cumulus VX, if you aren’t aware, is a community-supported virtual appliance version of Cumulus Linux aimed at helping folks preview and test “full-blown” Cumulus Linux (which, of course, requires compatible hardware). In case you’re interested, here’s a collection of storage trends and predictions for 2016.

Devops 60

Devops Vmware Storage Open Source 60

Scott Lowe

JANUARY 3, 2014

Reinforce base Linux knowledge. Reinforce data center networking fundamentals. Reinforce base Linux knowledge: I’ve been suggesting to VMUG attendees that they needed to learn Linux, as it’s popping up all over the place in all sorts of roles. Continue using Puppet for automation. So, how did I do?

Report 60

Report Linux Network Data Center 60

Scott Lowe

JANUARY 28, 2016

As usual, I’ve gathered what I hope to be a useful but varied collection of articles and links on key data center technologies. The rise of Linux in importance in the networking industry continues, with Arista announcing enhancements to Arista EOS to support—among other things—Docker containers. (See Virtualization.

Vmware 60

Vmware Linux Open Source Devops 60

Scott Lowe

MARCH 17, 2016

In any case, here’s another collection of links and articles from around the Net on the major data center technology areas. At DevOps Networking Forum 2016, I had the opportunity to share a presentation on some Linux networking options. You may also find this (related) article on memory inside Linux containers to be helpful.

Vmware 60

Vmware Linux Network Open Source 60

Scott Lowe

APRIL 8, 2014

Here’s a quick article on how to assess if your Linux-based server is affected. This isn’t as straightforward as building a Linux image (no surprises there), but I did find a few good articles that helped along the way. Did you see that EMC released a virtual edition of VPLEX? Virtualization. PowerCLI 5.5

Vmware 60

Vmware Windows Virtualization Storage 60

Scott Lowe

MAY 3, 2013

I try to keep the information linked to data center technologies like networking, storage, virtualization, and the like, but occasionally other items slip through. Linux distributions that offer ARM support, though—like Ubuntu, RHEL, and SuSE—are supported, however. Virtualization. Networking.

Vmware 106

Vmware Storage Virtualization HP 106

Scott Lowe

FEBRUARY 4, 2013

This is another installation in my irregularly-published series of links, thoughts, rants, and raves across various data center-related fields of technology. Greg Schulz (aka StorageIO) has a couple of VMware storage tips posts you might find useful reading. Virtualization. Welcome to Technology Short Take #29!

Vmware 110

Vmware Storage Virtualization Network 110

Scott Lowe

FEBRUARY 9, 2018

Ready for another round of links, articles, and thoughts on data center technologies? Michael Wittig shares some details on migrating to Amazon Linux 2. Nick Korte shares some “lessons learned” as his team explored VMware vSAN as a storage solution. Virtualization. Welcome to Technology Short Take 94!

Vmware 60

Vmware Linux Network Storage 60

Scott Lowe

APRIL 21, 2016

As usual, I gathered an odd collection of links and articles from around the web on key data center technologies and trends. Couple something like GoBGP with IPVLAN L3 (see Brent’s article ) and you’ve got a new model for your data center network. Virtualization. Welcome to Technology Short Take #65! Networking.

Vmware 60

Vmware Linux Hardware Network 60

Scott Lowe

JUNE 4, 2013

Welcome to Technology Short Take #33, the latest in my irregularly-published series of articles discussing various data center technology-related links, articles, rants, thoughts, and questions. Tom Nolle asks the question , “Is virtualization reality even more elusive than virtual reality?” Virtualization.

HP 60

HP Virtualization Hardware Network 60

Scott Lowe

SEPTEMBER 3, 2013

Welcome to Technology Short Take #35, another in my irregular series of posts that collect various articles, links and thoughts regarding data center technologies. Art Fewell takes a deeper look at the increasingly important role of the virtual switch. Virtualization. x that involves booting on a Linux CD.

Vmware 60

Vmware Data Center Storage Disaster Recovery 60

Scott Lowe

OCTOBER 8, 2014

As usual, I’ve gathered a collection of links to various articles pertaining to data center-related technologies for your enjoyment. Let’s be real—the ability for an application to protect itself (and its data) from rogue software (including a compromised or untrusted operating system) is huge. Networking.

Storage 60

Storage Intel Disaster Recovery Virtualization 60