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

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. Welcome to Technology Short Take #81! Networking.

Vmware 60

Vmware Linux Storage Network 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

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 here!

Linux 60

Linux Vmware Open Source Examples 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? ” Storage.

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. Matt Oswalt has a great article on the principles of automation.

Linux 60

Linux Vmware Storage Network 60

Scott Lowe

JUNE 18, 2017

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. 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 Vmware Virtualization Linux 60

Scott Lowe

JUNE 18, 2017

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. 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 Vmware Virtualization Linux 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. Jason Messer has an article describing how networking works with Windows containers. I tend to agree with Russ’ line of thinking.

Vmware 60

Vmware Virtualization Linux Windows 60

ComputerWorld IT Management

FEBRUARY 13, 2019

Finally, he put the drive into a Windows machine that had been sitting nearby the whole time. Windows’ device manager reported that the disk was there, but it would not show up in the Storage Manager, and so it could not be formatted. To read this article in full, please click here User’s solution?

Linux 45

Linux Windows Device Management Analysis 45

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. Michael Wittig shares some details on migrating to Amazon Linux 2.

Vmware 60

Vmware Linux Network Storage 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

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

AUGUST 16, 2017

This is my irregularly-published collection of links and articles from around the Internet related to the major data center technologies: networking, hardware, security, cloud computing, applications/OSes, storage, and virtualization. Welcome to Technology Short Take #85! PowerNSX in a container? Well worth reading. Feeling geeky?

Vmware 60

Vmware Storage Network Windows 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

AUGUST 16, 2017

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. 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

Dataconomy

APRIL 13, 2023

In this article, we will delve deeper into the world of Virtual Network Computing, exploring its history, technology, and various applications. The VNC protocol is designed to be platform-independent, meaning that it can be used to access and control computers running on any operating system, including Windows, macOS, Linux, and others.

Virtualization 36

Virtualization Network Linux Windows 36

Scott Lowe

MAY 12, 2016

In this post you’ll find a collection of links to articles about the major data center technologies. While I’m talking about the overlay/underlay model, I found this article by Tom Nolle discussing how using the overlay/underlay model could enable agile infrastructure. Welcome to Technology Short Take #66! Networking. Servers/Hardware.

Vmware 60

Vmware Windows Network Agile 60

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. could make RDP connections to modern Windows systems. Alpine Linux 3.5

Vmware 60

Vmware Linux Open Source Data Center 60

Scott Lowe

OCTOBER 31, 2012

In reality, OVS relies on the routing functionality that’s built into the Linux kernel, as you’ll see, and doesn’t perform the routing functionality itself (as far as I have been able to determine).</aside> Enable IP routing in the Linux kernel. Enabling IP Forwarding in the Linux Kernel. ip_forward=1.

Linux 123

Linux Virtualization Network Examples 123

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. Run Windows containers on the Mac.

Vmware 60

Vmware Linux Open Source Devops 60

Scott Lowe

MARCH 30, 2018

Vadim Eisenberg has two articles that describe how to integrate external services into an Istio service mesh. The first article covers integrating external web services ; the second article discusses consuming external TCP services. Flatcar Linux is a “friendly fork” of Container Linux (of CoreOS).

Linux 60

Linux Vmware Windows Applications 60

Scott Lowe

NOVEMBER 10, 2017

However, as Major points out in his article, the role works anywhere, OpenStack cloud or not. 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. Definitely worth reading. Larry Smith Jr.

Vmware 60

Vmware Storage Engineering Network 60

Scott Lowe

MAY 2, 2013

Apparently, by copying the keytab file from a Windows KDC (an Active Directory domain controller), the keytab is considered “foreign” because it doesn’t have the right security context. This article was originally posted on blog.scottlowe.org. Interoperability Linux ActiveDirectory Kerberos LDAP SSH'

Authentication 117

Authentication Linux Storage Security 117

Scott Lowe

SEPTEMBER 3, 2014

Welcome to Technology Short Take #44, the latest in my irregularly-published series of articles, links, ideas, and thoughts about various data center-related technologies. It’s nice to see that work on OpenStack Barbican is progressing nicely; see this article for a quick overview of the project and an update on the status.

Linux 60

Linux Network Vmware Disaster Recovery 60

Scott Lowe

DECEMBER 8, 2016

Gert van Dijk has a great article on upgrading your SSH keys to take advantage of new key types and enhanced security. In case you’re interested, here’s more details on CVE-2016-5195 , aka “Dirty Cow,” and how it might be used to allow a user to escape from a Linux container (like a Docker container). Operating Systems/Applications.

Vmware 60

Vmware Storage Intel Virtualization 60

Scott Lowe

APRIL 19, 2019

I have, however, finally managed to pull together this list of links and articles from around the Internet, and I hope that something I’ve included here proves useful to readers. Milind Gunjan shares some tips for troubleshooting Linux bridged networking on a KVM host. Welcome to Technology Short Take #112! Networking.

Open Source 60

Open Source Tools Policies Cloud 60

Scott Lowe

SEPTEMBER 9, 2014

This includes cgroups (the ability to control resource allocation/utilization), which is built into the Linux kernel. There is a Docker daemon that runs on Linux; the Docker client can be run elsewhere. This article was originally posted on blog.scottlowe.org. A Brief Introduction to Linux Containers with LXC.

Virtualization 100

Virtualization Linux Intel Construction 100

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). Networking.

Vmware 106

Vmware Virtualization Network Linux 106

Scott Lowe

OCTOBER 30, 2013

Mirantis joins a number of other vendors also offering OpenStack distributions, though Mirantis claims to be different on the basis that its OpenStack distribution is not tied to a particular Linux distribution. Murano (a service for assisting in the deployment of Windows-based services on OpenStack). Linux Storage OpenStack OSS'

Open Source 60

Open Source Linux Vmware Enterprise 60

Scott Lowe

APRIL 27, 2018

Now that I’m starting to get settled into my new role at Heptio, I’ve managed to find some time to pull together another collection of links and articles pertaining to various data center technologies. This is more of a follow-up to one of my own articles than a pointer to someone else’s article. Networking.

Vmware 60

Vmware Storage Open Source Security 60

Scott Lowe

JUNE 29, 2016

Welcome to Technology Short Take #68, my erratically-published collection of links, articles, and posts from around the web—all focused on today’s major data center technologies. Both articles are useful, IMHO, especially considering that MACVLAN is no longer experimental as of the Docker 1.12 Servers/Hardware.

Linux 60

Linux Network Hardware Vmware 60

Scott Lowe

JANUARY 19, 2018

Today I have another collection of data center technology links, articles, thoughts, and rants. ” Those familiar with networking concepts will identify well with the ideas in this article, I think. Barry Peddycord shares an update on Ansible support for the Cumulus Linux NCLU. Here’s hoping you find something useful!

Vmware 60

Vmware Open Source Linux Cloud 60

Scott Lowe

MARCH 8, 2016

Tony Sangha has a nice article providing step-by-step instructions on setting up a site-to-site IPSec VPN between VMware NSX and a Cisco CSR 1000v. Roie Ben Haim has an article on how to improve the NSX GUI user experience. Trevor Roberts recently posted an article discussing Windows images in your OpenStack cloud.

Vmware 60

Vmware Linux Intel 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. Run Windows containers on the Mac.

Vmware 60

Vmware Open Source Linux Devops 60

Scott Lowe

MARCH 23, 2017

However, hopefully I’ve managed to gather together some articles with useful information for you. Biruk Mekonnen has an introductory article on using Netmiko for network automation. Federacy recently published an article about the results of their Docker image vulnerability research. Networking.

Open Source 60

Open Source Storage Vmware Network 60