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. This post by Ranga Maddipudi shows you how to use App Firewall in conjunction with VXLAN logical networks. App Firewall?

HP 113

HP Virtualization Hardware Network 113

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 87

Vmware Linux Storage Virtualization 87

Scott Lowe

MAY 3, 2013

Ranga Maddipudi ( @vCloudNetSec on Twitter) has put together two blog posts on vCloud Networking and Security’s App Firewall ( part 1 and part 2 ). Linux distributions that offer ARM support, though—like Ubuntu, RHEL, and SuSE—are supported, however. This article was originally posted on blog.scottlowe.org.

Vmware 123

Vmware Storage Virtualization HP 123

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.

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Linux Network Virtualization IPv6 60

Scott Lowe

SEPTEMBER 6, 2024

I have a slightly bulkier list of links for you today, bolstered by some recent additions to my RSS feeds and supplemented by some articles I found through social media. This is an older article from 2020, but still useful: Nathan Taber “demystifies” cluster networking for Amazon EKS worker nodes. Great ideas here!

Linux 60

Linux Storage Network Hardware 60

Scott Lowe

DECEMBER 10, 2015

Tor Anderson has an article on using IPv6 for network boot using UEFI and iPXE. Kirk Byers has a helpful article that provides some suggestions and guidelines for how to make your network automation/network scripts become more than just your own personal hobby at work. I highly recommend this article. Networking. Larry Smith Jr.

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Firewall Linux Windows Architecture 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

JANUARY 15, 2021

This article by Joshua Fox outlines how and when to use each of the various types of firewalls offered by AWS. More details are available in this article. Ryan Blunden has authored a fairly comprehensive piece on environment variables in Linux and macOS. Linux may be coming to the Apple M1 chip. Well, there you go.

Linux 60

Linux Firewall Open Source Vmware 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. This post by Ranga Maddipudi shows you how to use App Firewall in conjunction with VXLAN logical networks. App Firewall?

HP 68

HP Virtualization Hardware Network 68

Scott Lowe

MARCH 10, 2015

I have here for your reading pleasure an eclectic collection of links and articles from around the web, focusing on data center-related technologies. It tells me that some skills—specifically, Linux, automation/configuration management, software development concepts—are going to be essential for all new IT pros in the near future.

Vmware 60

Vmware Linux Hardware Software Development 60

Scott Lowe

AUGUST 25, 2015

In this post, I’ve gathered links to posts about networking, virtualization, Docker, containers, Linux, configuration management, and all kinds of other cool stuff. Here’s a nice article on using Ansible with Arista EOS. If you haven’t read Brent’s article on building network tools with Docker , I highly recommend it.

Vmware 60

Vmware Linux Virtualization 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. Tony Sangha took PowerNSX (a set of PowerShell cmdlets for interacting with NSX) and created a tool to help document the NSX Distributed Firewall configuration. What’s that? That’s handy.

Linux 60

Linux Devops Open Source Virtualization 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. Anthony Burke gives a little bit of a sneak peek at some functionality from the upcoming v3 release of PowerNSX: searching NSX Distributed Firewall (DFW) rules.

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. Anthony Burke gives a little bit of a sneak peek at some functionality from the upcoming v3 release of PowerNSX: searching NSX Distributed Firewall (DFW) rules.

Windows 60

Windows Vmware Virtualization Linux 60

Cloud Musings

OCTOBER 9, 2018

This article will discuss the five reasons that make Ansible one of the most reliable and efficient CM tools out there. It effortlessly integrates with any area of the IT infrastructure, be it provisioning virtual machines (VMs) or creating firewall rules. So, what is the best tool for people who have minimal idea about automation?—Ansible—and

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Tools Applications Network Firewall 94

Scott Lowe

APRIL 2, 2021

In this post , Jakub Sitnicki digs way deep into the Linux kernel to uncover the answer to the question, “Why are there no entries in the conntrack table for SYN packets dropped by the firewall?” Linux malware is getting more sophisticated. ” Get ready to get nerdy! Servers/Hardware. Aye aye, Popeye!

Vmware 60

Vmware Firewall Storage Comparison 60

Scott Lowe

SEPTEMBER 8, 2016

Dmitri Kalintsev is back with another article in a series of articles on using hardware VXLAN tunnel endpoints (VTEPs) with VMware NSX. The use of VMware NSX for microsegmentation is a really popular use case, and so the topic of scripting distributed firewall (DFW) rules often comes up. Networking. Then again, what do I know?

Vmware 60

Vmware Linux Intel Storage 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

OCTOBER 23, 2020

My list of links and articles from around the web seems to be a bit heavy on security-related topics this time. Still, there’s a decent collection of networking, cloud computing, and virtualization articles as well as a smattering of other topics for you to peruse. Here’s a decent article on using tee and xargs.

Open Source 60

Open Source Vmware Disaster Recovery Linux 60

Scott Lowe

JUNE 28, 2021

My first post on WireGuard showed how to configure WireGuard on Linux, both on the client side as well as on the server side. As described here , my primary use case is enabling connectivity to EC2 instances with private IP addresses inside a VPC, so the peer system for me is a Linux instance with WireGuard installed and configured.

Linux 60

Linux Firewall System Network 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

Scott Lowe

OCTOBER 27, 2017

specifically, the new container network firewall functionality. The NIST and DHS have teamed up on some efforts to secure BGP; more information is available in this article. When I was using Fedora, I needed some useful information on firewall-cmd , and found this article to be helpful. Cloud Computing/Cloud Management.

Firewall 60

Firewall Virtualization Network Storage 60

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

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. A discussion of “statefulness” brought me again to Ivan’s post on the spectrum of firewall statefulness. x that involves booting on a Linux CD.

Vmware 60

Vmware Data Center Storage Disaster Recovery 60

Scott Lowe

FEBRUARY 10, 2015

Welcome to Technology Short Take #48, another installation in my irregularly-published series that collects links, articles, and thoughts from around the web. Craig Matsumoto of SDxCentral recently published a piece on NFV performance ; that article was based largely on a blog post by Martin Taylor of Metaswitch found here. Networking.

Open Source 60

Open Source Vmware Network IBM 60

SecureWorld News

JUNE 12, 2023

This article will provide an overview of the best cybersecurity certifications in 2023 and where you can sign up for them. is offered by Udemy and focuses on major operating systems like Windows, Mac OS, and Linux, providing learners with the skills they need to secure systems while preserving privacy and anonymity.

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Course IBM Security Industry 65

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. This feature is particularly useful in environments where only HTTP traffic is allowed, such as in a web proxy or firewall. What is Virtual Network Computing (VNC)?

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Virtualization Network Linux Windows 36

ForAllSecure

MAY 2, 2023

So he invites me to go to a book that, you know, one of those first black hats and Doug Song was set doing his thing on checkpoint firewall bypass, and I'm sitting there, and a guy named Jeff Nathan. I was living in Alameda off of the Navy base there. Come sit next to me.

Open Source 40

Open Source Media Social Hotels 40

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

APRIL 24, 2015

Welcome to Technology Short Take #50, the latest in my series of posts sharing various links and articles pertaining to key data center technologies. If you’re looking for more examples of how to incorporate these sorts of tools into your own network automation workflow, I’d recommend having a look at this article. Networking.

Vmware 60

Vmware Storage Firewall Network 60