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. The idea of a software bill of materials (SBOM) is gaining traction; here’s an article on a tool by Anchore that claims to be able to help.

Linux 74

Linux Storage Programming Applications 74

Scott Lowe

JUNE 24, 2022

I’d never heard of Pipy before seeing it in this article , but it look like it could be quite useful for a number of use cases. BPFDoor, as it is known, is a passive backdoor that allows threat actors to remotely connect to a Linux shell. Rob Salmond has a good article on Prometheus service discovery, Istio, and mTLS.

Vmware 74

Vmware Linux Storage Virtualization 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). Operating Systems/Applications. Networking.

IPv6 60

IPv6 Storage Hardware Vmware 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. Although Linux is often considered to be superior to Windows and macOS with regard to security, it is not without its own security flaws. Networking.

Linux 74

Linux Load Balancer IPv6 Licensing 74

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! This article on using osquery for behavioral detection of macOS malware was an interesting read. Read this article and you will be enlightened.

Programming 90

Programming Open Source Cloud Devops 90

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 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. Operating Systems/Applications. Networking.

Vmware 60

Vmware Linux Storage Network 60

Scott Lowe

NOVEMBER 25, 2020

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 I wasn’t aware of Cloudflare Argo Tunnel, so this article was informative for that reason alone. Good stuff!

Linux 60

Linux Vmware Open Source Examples 60

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. I certainly hope not!

Virtualization 79

Virtualization Storage Programming Network 79

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. Seriously.). Servers/Hardware.

Storage 79

Storage Hardware Policies Open Source 79

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. This article from Bruce Schneier is worth reading. Both are good articles. Servers/Hardware.

Linux 60

Linux Windows Hardware Network 60

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. Operating Systems/Applications.

Linux 60

Linux Dell Open Source Licensing 60

Scott Lowe

AUGUST 21, 2020

Everyone’s favorite three-letter agency recently released some VPN security guidance, as reported by this InfoSecurity Magazine article. The article also provides some links to said guidance, for those that are interested. ” Want to use a Yubikey to automatically lock and unlock your Linux system? Programming.

Handbook 60

Handbook Linux Storage Windows 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. Operating Systems/Applications. Cloud Computing/Cloud Management.

Linux 60

Linux Vmware Storage Network 60

Scott Lowe

FEBRUARY 17, 2023

Over the last few weeks, I’ve been collecting articles I wanted to share with readers on major areas in technology: networking, security, storage, virtualization, cloud computing, and OSes/applications. Also see the link to the newer article the author wrote as a follow-up. As fate (luck?)

Programming 96

Programming Policies Network Cloud 96

Scott Lowe

MARCH 12, 2021

I didn’t do so well on storage links; apologies to my storage-focused friends! This is truly an information-dense article, and if working with the AWS API Gateway falls into your job responsibilities then this is probably a good post to read. Operating Systems/Applications. Networking. Virtualization.

IPv6 60

IPv6 Network Storage Policies 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

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!). Thanks Jason!

Vmware 60

Vmware Linux Storage Hardware 60

Scott Lowe

FEBRUARY 9, 2018

Ready for another round of links, articles, and thoughts on data center technologies? If you’re using CloudFormation to manage your AWS security groups in an infrastructure-as-code approach, you owe it to yourself to check out this article by Jose Luis Ordiales. Operating Systems/Applications. Networking.

Vmware 60

Vmware Linux Network Storage 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. Have a look at the article for more details. Networking. Good advice.

Linux 60

Linux Network Virtualization IPv6 60

Scott Lowe

DECEMBER 27, 2019

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). Operating Systems/Applications. Virtualization.

Open Source 60

Open Source Vmware Authentication Storage 60

Scott Lowe

FEBRUARY 11, 2021

Justin Pietsch Has a lengthy article on why network engineers need to focus on getting the network out of the way. I recently mentioned on Twitter that I was considering building out a new Linux PC to replace my aging Mac Pro (it’s a 2012 model, so going on 9 years old). Operating Systems/Applications.

Vmware 60

Vmware Storage Study Network 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. Dmitri Kalintsev examines some options for addressing storage-related connectivity in NSX environments. Operating Systems/Applications.

Vmware 60

Vmware Virtualization Linux Windows 60

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. Operating Systems/Applications. Carlos Fenollosa has a series of articles describing his attempt to move to Linux from macOS, and why he came back.

Linux 60

Linux Hardware Network Cloud 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. Michael Hausenblas has an informative article with information on Kubernetes RBAC defaults. Operating Systems/Applications.

Vmware 60

Vmware Authentication Virtualization Storage 60

Scott Lowe

DECEMBER 6, 2013

Welcome to Technology Short Take #37, the latest in my irregularly-published series in which I share interesting articles from around the Internet, miscellaneous thoughts, and whatever else I feel like throwing in. Martijn Smit has launched a series of articles on VMware NSX. Operating Systems/Applications. Networking.

Vmware 60

Vmware Storage Linux Network 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. Networking. Servers/Hardware.

Vmware 60

Vmware Hardware Storage Linux 60

Scott Lowe

JULY 5, 2019

I also appreciate that Jon included a “Lab time” section in his article that encourages readers to try out the concepts he’s explaining. If you’re unfamiliar with public key infrastructure (PKI), digital certificates, or encryption, you may find this Linux Journal article helpful. Servers/Hardware.

Storage 60

Storage Hardware Open Source Vmware 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. Operating Systems/Applications. Networking. Servers/Hardware.

Vmware 60

Vmware Devops Storage Linux 60

Scott Lowe

OCTOBER 5, 2012

Welcome to Technology Short Take #25, my irregularly-published collection of links, articles, thoughts, and rants. Erik Smith, notably known for his outstanding posts on storage and FCoE, takes a stab at describing some of the differences between SDN and network virtualization in this post. Operating Systems/Applications.

Storage 92

Storage Vmware Linux Virtualization 92

Scott Lowe

FEBRUARY 6, 2014

In the process, he muses about the value of configuration management tool chains such as Chef and Puppet in a world of “open switch” platforms such as Cumulus Linux. Speaking of Cumulus Linux…did you see the announcement that Dell has signed a reseller agreement with Cumulus Networks? Operating Systems/Applications.

Linux 60

Linux Vmware Storage Virtualization 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. I found this article on SELinux concepts for humans to be quite helpful. Check out this article that discusses using AWS Spot Instances and spotinst to run low-cost Kubernetes clusters.

Linux 60

Linux Devops Open Source Virtualization 60

Scott Lowe

NOVEMBER 10, 2017

However, as Major points out in his article, the role works anywhere, OpenStack cloud or not. Operating Systems/Applications. Kevin Lynch of the Squarespace Engineering team has a great write-up on Linux container scheduling ; this post provides some in-depth information on the various components and considerations involved.

Vmware 60

Vmware Storage Engineering Network 60

Scott Lowe

MAY 4, 2017

In the meantime, here’s a few links and articles for your reading pleasure. This article gives an overview and brief introduction to eBPF. More articles are apparently planned, and I’m looking forward to reading them. You can read more about the proposed changes in this article. Operating Systems/Applications.

Vmware 60

Vmware Storage Network Examples 60

Scott Lowe

SEPTEMBER 22, 2017

Vincent Bernat has a really in-depth article on IPv4 route lookup on Linux (and one on IPv6 route lookup as well). Ivan Pepelnjak has a great article that tries to get to the kernel of truth in the middle of the intent-based networking hype. Operating Systems/Applications. Networking. RIP Solaris.

Storage 60

Storage Vmware Load Balancer Network 60