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. Michael Kashin shares the journey of containerizing NVIDIA Cumulus Linux. Networking.

Linux 90

Linux Load Balancer Malware Virtualization 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

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. Virtualization.

IPv6 97

IPv6 Storage Hardware Vmware 97

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

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

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

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. Looks like some significant bandwidth increases could be on the horizon; see this article for more details. Virtualization.

Open Source 79

Open Source Apple Vmware Cloud 79

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

Linux Academy

APRIL 24, 2019

In the past, the migration of virtual machines could be a very complicated process and required significant expertise for on-premise personnel to migrate existing virtual machines to the cloud. Let’s look at some of the details and advantages of using a service like Cloud Endure to migrate virtual machines to the cloud.

Cloud 60

Cloud Google Virtualization Linux 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

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

AUGUST 11, 2023

If you need a foundational review of Amazon ECS, this article is a good starting point. In the end, he comes up with using a general purpose programming language (via CDK in his article) to write higher-level constructs. Virtualization A few months ago the gVisor project released a new high-performance gVisor platform named Systrap.

Programming 60

Programming Architecture Linux Construction 60

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. Virtualization.

IPv6 60

IPv6 Storage Hardware Vmware 60

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

Network World

FEBRUARY 29, 2016

Skyport offers SkySecure Server, a remotely deployable platform for Windows and/or Linux virtual machines in a fortress-like environment. It comes pre-built and ready to host and secure either their list or your qualified list of popular host operating systems as VMs. Skyport does one thing, and it does it well.

Security 68

Security Linux Operating Systems Windows 68

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

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

DECEMBER 11, 2020

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. Operating Systems/Applications. Here’s a post on using Windows Subsystem for Linux (WSL) to run Linux containers on Windows. Programming.

Linux 60

Linux Network Tools Hardware 60

Scott Lowe

JULY 17, 2020

Ivan Pepelnjak has a fantastic article on adapting network design to acommodate automation. This is a great read overall, but one sentence in particular really caught my eye: “30 years ago I was able to write a complete multitasking operating system in Z80 assembly code. Operating Systems/Applications.

Linux 60

Linux Apple Operating Systems Policies 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.

Linux 60

Linux Network Virtualization IPv6 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

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

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. AlgoSec has a couple of articles published last year before VMworld 2015, but I just now came across them. Operating Systems/Applications.

Vmware 60

Vmware Virtualization Linux Windows 60

Scott Lowe

JUNE 18, 2017

Sjors Robroek describes his nested NSX-T lab that also includes some virtualized network equipment (virtualized Arista switches). 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). 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

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

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. Exploiting cloud VMs via a remote serial/console service? What about preventing it?

Vmware 74

Vmware Network Hardware Cloud 74

Linux Academy

MAY 13, 2019

When isolating infected workstations, they should be left powered on with the network cables removed and all network adapters disabled within the operating system. When isolating infected virtual servers, a C-level executive must give permission to isolate a server. The virtual server is to remain powered on.

Security 60

Security Exercises Operating Systems Virtualization 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 29, 2020

Operating Systems/Applications. Nicola Apicella has a nice, in-depth write-up discussing Docker images, overlay file systems, and the OCI specification. This article provides some information on how Bash startup files are used by the shell. Virtualization. Here are some resources for learning Kubernetes.

Linux 60

Linux Virtualization Security Backup 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

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. Operating Systems/Applications.

Vmware 60

Vmware Linux Open Source Devops 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

OCTOBER 2, 2020

I’m back with another collection of articles on various data center technologies. This time around the content is a tad heavy on the security side, but I’ve still managed to pull in articles on networking, cloud computing, applications, and some programming-related content. More details are found in this article.

Linux 60

Linux Programming Cloud Open Source 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. Operating Systems/Applications. Finally, you might find the VMware Virtual SAN 6.2

Vmware 60

Vmware Linux Network Open Source 60