Scott Lowe

MAY 27, 2022

I mean, don’t you want to spend this weekend catching up on some technology-related articles instead of cooking on the grill and gathering with friends and family? Still, for those who need a little technology fix over the weekend, hopefully I’ve included something useful in the list of articles below. Servers/Hardware.

Virtualization 79

Virtualization Storage Network Programming 79

Scott Lowe

AUGUST 27, 2021

I have a fairly diverse set of links for readers this time around, covering topics from microchips to improving your writing, with stops along the way in topics like Kubernetes, virtualization, Linux, and the popular JSON-parsing tool jq along the way. Michael Kashin shares the journey of containerizing NVIDIA Cumulus Linux.

Linux 60

Linux Load Balancer Malware Virtualization 60

Scott Lowe

APRIL 15, 2022

This article contains some good information on IPv6 for those who are just starting to get more familiar with it, although toward the end it turns into a bit of an advertisement. Servers/Hardware. Cabling is hardware, right? Fatima Silveira has a good article on using the Kubernetes Horizontal Pod Autoscaler. Networking.

Linux 74

Linux Load Balancer IPv6 Licensing 74

Scott Lowe

MARCH 2, 2020

It seems like the natural progression of the Tech Short Takes is moving toward monthly articles, since it’s been about a month since my last one. Redpill Linpro talks to readers about their new routers running Cumulus Linux. Servers/Hardware. This article from Bruce Schneier is worth reading. Both are good articles.

Linux 60

Linux Windows Hardware Network 60

Scott Lowe

APRIL 29, 2022

My link of links and articles from around the Internet is a bit light on networking and virtualization this time around, but heftier in the security, cloud, and OS/application sections. Servers/Hardware. Jorge Castro encourages folks to just kill the silly myths (regarding desktop Linux). Virtualization.

Linux 74

Linux Storage Programming Applications 74

Scott Lowe

OCTOBER 8, 2021

There’s some networking stuff, a few security links, and even a hardware-related article. As Alec shares in the article, it turns out that adding Tor to a “standard” DoH configuration doesn’t significantly impact performance (as measured by latency). Servers/Hardware. Virtualization.

IPv6 60

IPv6 Storage Hardware Vmware 60

Scott Lowe

OCTOBER 28, 2022

In any case, I’ve spent the last month collecting links to articles and tutorials from around the web on all the various technologies that us IT folk are likely to encounter in our day-to-day adventures. Servers/Hardware. Looks like some significant bandwidth increases could be on the horizon; see this article for more details.

Open Source 79

Open Source Apple Vmware Cloud 79

Scott Lowe

MAY 7, 2021

In this Technology Short Take, I’ve gathered some links for you covering topics like Azure and AWS networking, moving from macOS to Linux (and back again), and more. Servers/Hardware. maximizing revenue per hardware instance). Justin Garrison shares some thoughts on whiteboarding software (and hardware). Networking.

Linux 60

Linux Hardware Network Cloud 60

Scott Lowe

JANUARY 27, 2023

I’ve got another collection of links to articles on networking, security, cloud, programming, and career development—hopefully you find something useful! Servers/Hardware What do you think of the ThinkPhone ? This article on using osquery for behavioral detection of macOS malware was an interesting read.

Programming 90

Programming Open Source Cloud Devops 90

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

Scott Lowe

FEBRUARY 28, 2022

Thanks to this article , that oversight is now corrected. Oh, and the article shares a handy Python script to help implement bogon filtering in NSX-T. In truth, the answer is exactly as Ivan says at the top of the article: when it comes to migrating container hosts, you don’t. Servers/Hardware. Seriously.).

Storage 79

Storage Hardware Policies Open Source 79

Scott Lowe

NOVEMBER 25, 2020

Uh oh… more hardware exploits. This article is chock-full of useful information that, typically, can only be gathered from direct experience (like the note on using istioctl instead of the Istio Operator to avoid an issue when upgrading from 1.6 Something about Linux, and Fedora in particular, just keeps drawing me back.

Linux 60

Linux Vmware Open Source Examples 60

Scott Lowe

JUNE 18, 2017

Sjors Robroek describes his nested NSX-T lab that also includes some virtualized network equipment (virtualized Arista switches). Servers/Hardware. Here’s an interesting article on the role that virtualization is playing in the network functions virtualization (NFV) space now that ARM hardware is growing increasingly powerful.

Windows 60

Windows Vmware Virtualization Linux 60

Scott Lowe

JUNE 18, 2017

Sjors Robroek describes his nested NSX-T lab that also includes some virtualized network equipment (virtualized Arista switches). Servers/Hardware. Here’s an interesting article on the role that virtualization is playing in the network functions virtualization (NFV) space now that ARM hardware is growing increasingly powerful.

Windows 60

Windows Vmware Virtualization Linux 60

Scott Lowe

DECEMBER 11, 2020

Servers/Hardware. Kay Singh collects some user comments on the new M1-powered Apple hardware. This is an older article, but hopefully still useful nevertheless: Brian Mathews explains how to use the linkerd sidecar to find and fix application issues on Kubernetes. Virtualization. Lots of geekery in here! Programming.

Linux 60

Linux Network Tools Hardware 60

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. ” I highly encourage reading this article.

Vmware 69

Vmware Linux Storage Virtualization 69

Scott Lowe

MAY 17, 2019

There will be a longer gap than usual before the next Tech Short Take (more details to come on Monday), but in the meantime here’s some articles and links to feed your technical appetite. Courtesy of Tigera, Alex Pollitt shares some guidelines on when Linux conntrack is no longer your friend. Servers/Hardware. Networking.

Linux 60

Linux Dell Open Source Licensing 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 MTU in OpenStack Neutron has been, as this article by Sam Yaple points out, a bit of a touchy subject. Servers/Hardware.

Vmware 60

Vmware Hardware Storage Linux 60

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. Servers/Hardware. Networking. Good advice.

Linux 60

Linux Network Virtualization IPv6 60

Scott Lowe

SEPTEMBER 8, 2023

This is a slightly older article (from January of this year) in which Josh Saul of Hedgehog pays homage to the achievements of Cumulus Networks in the open networking movement. Michael Kashin has a good post on source IP address selection in Linux. Here are some design considerations for Wi-Fi 6E (6GHz) networks. Good to know!

Vmware 74

Vmware Network Hardware Cloud 74

Scott Lowe

JUNE 18, 2021

The collection of links shared below covers a fairly wide range of topics, from old Sun hardware to working with serverless frameworks in the public cloud. Via Ivan Pepelnjak, I was pointed to Jon Langemak’s in-depth discussion of working with Linux VRFs. Servers/Hardware. Virtualization. Networking. Check this out.

Vmware 60

Vmware Hardware Load Balancer Apple 60

Scott Lowe

JANUARY 18, 2017

Craig Matsumoto has an informative article on why machine learning is hard to apply to networking. I’ve heard David Meyer—who is quoted extensively in the article—speak several times, and most of the time his stuff is way beyond my understanding. This article by Alin Serdean from Cloudbase Solutions describes how it’s done.

Linux 60

Linux Network Hardware Dell 60

Scott Lowe

JUNE 2, 2016

This article from Marcos Hernandez shows one way to do dynamic routing in OpenStack. Jason Messer has an article describing how networking works with Windows containers. Servers/Hardware. Intel clearly has its sights set on expanding beyond just “servers” into many more platforms, including network hardware platforms.

Vmware 60

Vmware Virtualization Linux Windows 60

Scott Lowe

OCTOBER 5, 2018

Here’s another collection of articles and blog posts about some of the common technologies that modern IT professionals will typically encounter. Brian Boucheron provides a great article on how to inspect and debug Kubernetes network primitives. Servers/Hardware. I mentioned this article on Pandoc in a tweet recently.

Hardware 60

Hardware Open Source Vmware Linux 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. Servers/Hardware. Virtualization. Networking.

Vmware 60

Vmware Linux Storage Network 60

Scott Lowe

NOVEMBER 17, 2016

I recommend reading this article, as well as reading the comments. 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. Servers/Hardware. Cloud Computing/Cloud Management.

Linux 60

Linux Vmware Storage Network 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. Servers/Hardware. Networking.

Vmware 60

Vmware Linux Open Source Devops 60

Scott Lowe

JANUARY 14, 2016

As we start a new year, here’s a collection of links and articles from around the web. Nir Yechiel posted an article on using the Cumulus VX QCOW2 image with Fedora and KVM. Here’s an article on an effort to add Cisco IOS support to NAPALM. Servers/Hardware. Virtualization. Networking.

Vmware 60

Vmware Devops Storage Linux 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. Servers/Hardware. Finally, you might find the VMware Virtual SAN 6.2 Have fun reading!

Vmware 60

Vmware Linux Network Open Source 60

Scott Lowe

AUGUST 16, 2017

Sjors Robroek describes his nested NSX-T lab that also includes some virtualized network equipment (virtualized Arista switches). Servers/Hardware. Yes, I know that security and privacy are different, but this seems like a reasonable place to put this article by J Metz on pseudo-anonymous e-mail.

Windows 60

Windows Virtualization Devops Vmware 60

Scott Lowe

DECEMBER 6, 2019

In perusing some of Brian’s content, I see lots of stuff at the intersection of networking and virtualization. Philippe Bogaerts has an article on how to use tcpdump effectively in Kubernetes. Servers/Hardware. A new VPN security flaw has been uncovered that affects a wide range of UNIX- and Linux-based systems.

Vmware 60

Vmware Network Linux Hardware 60

Scott Lowe

MARCH 2, 2017

OK, now that I’ve mentioned Skydive, I can talk about this article that provides an example of functional SDN testing with Terraform and Skydive. Servers/Hardware. I found this article on SELinux concepts for humans to be quite helpful. The project’s GitHub repository is here , and documentation for Skydive is here. What’s that?

Linux 60

Linux Devops Open Source Virtualization 60

Scott Lowe

MAY 29, 2020

Servers/Hardware. This article provides some information on how Bash startup files are used by the shell. Virtualization. This recent post by Eric Sloof shows how to do BGP neighbor adjacency between GNS3 and NSX-T 3.0. Read his write-up here. Nothing this time around, but I’ll stay alert for items to include next time!

Linux 60

Linux Virtualization Security Backup 60

Scott Lowe

JULY 17, 2020

Ivan Pepelnjak has a fantastic article on adapting network design to acommodate automation. Jon Langemak is blogging again, and he jumps back into the “blogging saddle” with a post on working with tc on Linux systems. Servers/Hardware. Bruno Hildenbrand shares 20 tips for managing Linux VMs on Azure.

Linux 60

Linux Apple Operating Systems Policies 60

Scott Lowe

NOVEMBER 30, 2018

In response to my request for feedback in the last Technology Short Take, a few readers responded in favor of a more regular publication schedule even if that means the articles are shorter in length. ” Servers/Hardware. Michael Hausenblas has an informative article with information on Kubernetes RBAC defaults. Networking.

Vmware 60

Vmware Authentication Virtualization Storage 60

Scott Lowe

JULY 21, 2016

Honestly, I haven’t had a great deal of time to make much progress, but I did come across this article by Sudeep Goyal which helped reinforce some of the basics I already knew. First up, there’s a great article on using IPVLAN with Docker and Cumulus Linux (with a tie back to sFlow, naturally!). Servers/Hardware.

Vmware 60

Vmware Linux Storage Hardware 60

Scott Lowe

DECEMBER 27, 2019

Servers/Hardware. Bruce Schneier writes about how some Chinese hackers are bypassing RSA software token authentication (the title is a bit more broad, implying other forms of two-factor authentication are affected, but the article focuses on attacks against the use of RSA software tokens). Networking. Cloud Computing/Cloud Management.

Open Source 60

Open Source Vmware Authentication Storage 60