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. Tetragon is Isovalent’s newly open-sourced security framework. Rob Salmond has a good article on Prometheus service discovery, Istio, and mTLS. Operating Systems/Applications.

Vmware 74

Vmware Linux Storage Virtualization 74

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 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. Components involved include the open source Kuma service mesh (in turn leveraging Envoy), anycast BGP, and mutual TLS (mTLS). Seriously.). Servers/Hardware.

Storage 79

Storage Hardware Policies Open Source 79

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 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. Acra is open source and available via GitHub. There’s some good information in this article; I recommend reading it. Networking.

Open Source 60

Open Source Storage Vmware Network 60

Scott Lowe

AUGUST 6, 2021

I saw this blog post about Curiefense , an open source Envoy extension to add WAF (web application firewall) functionality to Envoy. I really enjoy these AWS open source news and updates posts. This is a thorny topic full of design considerations, and this AWS article discusses a few of them. Servers/Hardware.

Open Source 60

Open Source Load Balancer WAN Architecture 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. Warning: I’m not sure the configuration as described in the article will actually work, but the concept is sound.) Operating Systems/Applications.

Linux 74

Linux Load Balancer IPv6 Licensing 74

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. Michael Allen published an article on weaponizing the Yubikey. Operating Systems/Applications. Networking. Servers/Hardware.

Linux 60

Linux Dell Open Source Licensing 60

Scott Lowe

NOVEMBER 25, 2020

Open source has become so critical to so many aspects of our computing infrastructure. 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 Good stuff here!

Linux 60

Linux Vmware Open Source Examples 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. Operating Systems/Applications.

Storage 60

Storage Hardware Open Source Vmware 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. This article discusses four open source secrets management tools. ” Operating Systems/Applications. Networking.

Open Source 60

Open Source Tools Policies Cloud 60

Scott Lowe

MARCH 1, 2019

Daniel Dib has a great article on how network engineers need to evolve. VyOS is an open source Linux-based network operating system.). Operating Systems/Applications. If you’re looking for a reasonably gentle introduction to the concept, check out this article. Networking. Virtualization.

Operating Systems 60

Operating Systems Authentication Network Open Source 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. Sathyajith Bhat covers five open source tools for container security.

Hardware 60

Hardware Open Source Vmware Linux 60

Scott Lowe

MAY 3, 2019

I hope the collection of links and articles I’ve gathered for you contains something useful for you. Via the Kubernetes blog , Box announced it has open sourced a project called kube-iptables-tailer , which turns packet drops from iptables into Kubernetes events that can be logged for easier troubleshooting. Networking.

Vmware 60

Vmware Open Source Intel Applications 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

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

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. This article is about hardware, just not the hardware I’d typically talk about in this section—instead, it’s about Philips Hue light bulbs. Both are good articles.

Linux 60

Linux Windows Hardware Network 60

Scott Lowe

DECEMBER 29, 2016

Until then, here’s some data center-related articles and links for your enjoyment. Kief Morris—author of “Infrastructure as Code” by O’Reilly—has a nice article on the topic of using pipelines to manage different infrastructure as code environments. Operating Systems/Applications. Networking. In a word: Wow.

Vmware 60

Vmware Linux Open Source Data Center 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

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. Via Maish Saidel-Keesing, I saw this post about 10 open source Kubernetes tools for highly effective SRE and Ops teams.

Vmware 60

Vmware Open Source Linux Cloud 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. Cilium, the open source project working to bring eBPF-powered networking and security to Kubernetes environments, has hit the 1.0

Vmware 60

Vmware Storage Open Source Security 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. See this SDx Central article or this Network World article for more details.). (See See this SDx Central article or this Network World article for more details.). Networking.

Vmware 60

Vmware Linux Open Source Devops 60

Scott Lowe

NOVEMBER 22, 2012

Lots of folks like using Dropbox , the ubiquitous store-and-sync cloud storage service; I am among them. To help address that, I looked around to find an open, interoperable way of adding an extra layer of encryption onto my data. A Mac port of the open source EncFS FUSE filesystem. Background. What You’ll Need.

Open Source 137

Open Source Storage Security Guidelines 137

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.

Devops 60

Devops Vmware Storage Open Source 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

JANUARY 17, 2020

I hope that everyone had a wonderful holiday season, but now it’s time to jump back into the fray with a collection of technical articles from around the Internet. David Gee has an interesting set of articles exploring service function chaining in service mesh environments ( part 1 , part 2 , part 3 , and part 4 ). Networking.

Load Balancer 60

Load Balancer Vmware Windows Cloud 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

MARCH 2, 2017

Skydive is (in the project’s own words) an “open source real-time network topology and protocols analyzer.” 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.

Linux 60

Linux Devops Open Source Virtualization 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. I noted that a Vagrant provider for vRealize Automation was recently released as an open source project. Operating Systems/Applications. First, we have an article on getting to know Consul.

Vmware 60

Vmware Storage Intel Virtualization 60

Scott Lowe

APRIL 24, 2020

I recently stumbled across this regular list of AWS open source news and updates by Ricardo Sueiras. Operating Systems/Applications. Cody Hosterman, of Pure Storage, takes a look at Pure Storage’s support of the recently-released vSphere 7. I also really liked his post on text processing tools.

Storage 60

Storage Tools Architecture 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. See this SDx Central article or this Network World article for more details.). (See See this SDx Central article or this Network World article for more details.). Networking.

Vmware 60

Vmware Open Source Linux Devops 60

Galido

JULY 20, 2018

Many iPhone users and Apple fanboys alike stand by their product no matter how limited Apple makes their storage capacities, while Android geeks have long time been able to freely add storage/memory cards to their devices and take advantage of more powerful hardware. Galaxy S8 base storage starts at 64GB, while Apple’s is 32GB.

Study 66

Study Apple Google Operating Systems 66

Scott Lowe

NOVEMBER 9, 2018

Continuing on that Envoy theme, you may find this article by Matt Klein—one of the primary authors of Envoy—helpful in understanding some of the concepts behind modern load balancing and proxying. Non-code contributions are, in my opinion, an important but oft-overlooked aspect of open source communities. Good stuff!

Load Balancer 60

Load Balancer Operating Systems Intel Hardware 60

Scott Lowe

DECEMBER 6, 2019

Philippe Bogaerts has an article on how to use tcpdump effectively in Kubernetes. The one caveat to his approach that may be worth mentioning is that some policies (a PodSecurityPolicy or the use of Open Policy Agent) may prevent the user from launching a Pod connected to the host’s network namespace. Nothing this time; sorry!

Vmware 60

Vmware Network Linux 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. ” I highly encourage reading this article. You’re also invited to share relevant links or articles in the comments!

Vmware 69

Vmware Linux Storage Virtualization 69

Scott Lowe

APRIL 8, 2013

Welcome to Technology Short Take #31, my irregularly published series that takes a look at links, posts, articles, and thoughts from around the web related to core data center technologies. This is an older article (published in May of last year), and it’s a bit on the lengthy side, but I like the tack the author uses.

Storage 111

Storage Vmware WAN Virtualization 111

Scott Lowe

OCTOBER 14, 2017

Christopher Davis has an article discussing a recommended VPC subnet configuration. This is, of course, just one way of handling subnets within a VPC, but some of the principles outlined in Christopher’s article are definitely sound. This article is pretty high-level; I wish it had a bit more depth to it. Networking.

Load Balancer 60

Load Balancer Vmware Hardware Open Source 60