Scott Lowe

MAY 3, 2019

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. Operating Systems/Applications. Who says you can’t please everyone all the time? Networking.

Vmware 60

Vmware Open Source Intel Applications 60

Scott Lowe

DECEMBER 6, 2013

Of course, I am a fan of network virtualization, since I work with/on VMware NSX.). Martijn Smit has launched a series of articles on VMware NSX. Want some additional information on layer 2 and layer 3 services in VMware NSX? Here’s a good source. Operating Systems/Applications. Any thoughts?

Vmware 60

Vmware Storage Linux Network 60

Scott Lowe

JANUARY 19, 2018

This is pretty cool: a WYSIWYG topology designer for VMware NSX. The VMware Cloud-Native Apps group has a breakdown of some of the new features/functionality found in the 1.9 Via Maish Saidel-Keesing, I saw this post about 10 open source Kubernetes tools for highly effective SRE and Ops teams. Servers/Hardware.

Vmware 60

Vmware Open Source Linux Cloud 60

Scott Lowe

JANUARY 27, 2023

Operating Systems/Applications Dewan Ahmed has a great run-down on options for documentation-as-code. Rory McCune shares some information on configuring Caddy , a Go-based open source web server. Storage Stephen Wagner discusses a situation in which all VMs are inaccessible after graceful cluster shutdown and restart.

Programming 90

Programming Open Source Cloud Devops 90

Scott Lowe

MARCH 23, 2017

As opposed to just encrypting data at the transport level (although Acra does that between components of its architecture) or just encrypting data at the storage level (using an encrypted file system or similar), Acra targets encrypting data at the table/row/column level within a database. Acra is open source and available via GitHub.

Open Source 60

Open Source Storage Vmware Network 60

Scott Lowe

APRIL 3, 2016

Carlos Cardenas has a great post that does a great job of explaining SAI (Switch Abstraction Interface) and switchdev , two key abstraction layers involved in building Linux-based network operating systems (NOSes). VMware recently released version 0.8 Operating Systems/Applications. Good stuff. What is Platypus?

Vmware 60

Vmware Network Linux Hardware 60

Scott Lowe

NOVEMBER 25, 2020

Open source has become so critical to so many aspects of our computing infrastructure. I recently stumbled across Ricardo Sueiras’ “AWS open source news and updates” posts. Adrian’s operational review readiness template is another great post as well. Operating Systems/Applications.

Linux 60

Linux Vmware Open Source Examples 60

Scott Lowe

DECEMBER 29, 2016

Operating Systems/Applications. could make RDP connections to modern Windows systems. could make RDP connections to modern Windows systems. Michael Preston shares his thoughts on containers in a post titled “A VMware guy’s perspective on containers.” Way to go, Daniel! Give it a read, if you get the chance.

Vmware 60

Vmware Linux Open Source Data Center 60

Scott Lowe

DECEMBER 8, 2016

Sirish Raghuram has some thoughts on the VMware-AWS announcement (about VMware Cloud on AWS) compared to the “Omni” announcement at the OpenStack Summit in Barcelona. I noted that a Vagrant provider for vRealize Automation was recently released as an open source project. Operating Systems/Applications.

Vmware 60

Vmware Storage Intel Virtualization 60

Scott Lowe

SEPTEMBER 24, 2021

Well, let’s see…stuff on Envoy, network automation, network designs, M1 chips (and potential open source variants!), Are open source M1-style chips a possibility? Operating Systems/Applications. Welcome to Technology Short Take #145! What will you find in this Tech Short Take? are affected).

Open Source 60

Open Source Cloud Network Storage 60

Scott Lowe

MAY 27, 2022

marks the first release of the open source container orchestration platform that is signed using Sigstore (more details here ). Operating Systems/Applications. For relevant storage news, I’d recommend having a look at J Metz’ Storage Short Take 42. Cloud Computing/Cloud Management. Kubernetes 1.24

Virtualization 79

Virtualization Storage Network Programming 79

Scott Lowe

APRIL 27, 2018

VMware has released a PowerCLI preview/fling for NSX-T; Kyle Ruddy has a write-up here. Cilium, the open source project working to bring eBPF-powered networking and security to Kubernetes environments, has hit the 1.0 VMware has launched a SIG for Kubernetes on VMware. Operating Systems/Applications.

Vmware 60

Vmware Storage Open Source Security 60

Scott Lowe

JANUARY 28, 2016

And while we are on the topic of Linux and open source in the networking industry…read this entertaining and informative article on the importance of (truly) open source libraries in networking. The project itself is open source and hosted on GitHub. Operating Systems/Applications.

Vmware 60

Vmware Linux Open Source Devops 60

Scott Lowe

FEBRUARY 9, 2018

Sam McGeown has a nice diagram of the communications channels between the various VMware NSX components. Operating Systems/Applications. Nick Korte shares some “lessons learned” as his team explored VMware vSAN as a storage solution. Michael Wittig shares some details on migrating to Amazon Linux 2.

Vmware 60

Vmware Linux Network Storage 60

Scott Lowe

JANUARY 14, 2016

This is a fascinating (to me, at least) paper on the implications of non-volatile storage on today’s data centers (and data center hardware). Dwayne Sinclair (an NSX SE at VMware) has a write-up on what micro-segmentation is not. Operating Systems/Applications. Servers/Hardware. Virtualization.

Vmware 60

Vmware Devops Storage Linux 60

Scott Lowe

MAY 4, 2017

Mircea’s right—bugs will happen in all software (VMware NSX has had its share, for example), but the key is in how it’s handled. Doug Youd of Cumulus has an excellent 3-part series on the use of LACP in VMware vSphere environments. Operating Systems/Applications. Want to keep your PowerShell Core up to date?

Vmware 60

Vmware Storage Network Examples 60

Scott Lowe

AUGUST 11, 2016

Thinking of using a hardware VTEP (VXLAN Tunnel Endpoint) with VMware NSX? VMware recently announced Open Hardware Management Services (OHMS) , a project intended to help manage servers and switches in a software-defined data center (SDDC) context. What will happen when you combine GPUs and persistent storage?

Vmware 60

Vmware Hardware Storage Linux 60

Scott Lowe

MARCH 17, 2016

I recently came across a couple useful troubleshooting guides, one for Open vSwitch (OVS) and OpenStack Neutron and one for VMware NSX. Matt Oswalt recently unveiled (and open sourced) a framework called ToDD, which stands for “Testing on Demand: Distributed”. Operating Systems/Applications. Virtualization.

Vmware 60

Vmware Linux Network Open Source 60

Scott Lowe

FEBRUARY 24, 2018

VMware recently released a reference design guide for NSX-T; see here for more details. Dimitri de Swart has a write-up on LAMP stacks made easy with VMware and Puppet. Looks like PKS, the joint Kubernetes effort from VMware and Pivotal, has gone GA (see this VMware blog post ) with initial support for vSphere and GCP.

Vmware 60

Vmware Load Balancer Network Open Source 60

Scott Lowe

OCTOBER 5, 2018

Sathyajith Bhat covers five open source tools for container security. Grant Orchard has a three-part series (so far) on VMware Cloud Assembly ( part 1 , part 2 , part 3 ). The folks at Platform9 recently open-sourced a tool called etcdadm (inspired by kubeadm ). Operating Systems/Applications.

Hardware 60

Hardware Open Source Vmware Linux 60

Scott Lowe

NOVEMBER 7, 2014

Nice use of VMware Fusion in part 2, by the way.). VMware, Vagrant, and Docker together is the subject of this blog post by Fabio Rapposelli. Operating Systems/Applications. It makes me wonder when VMware will announce support for CoreOS on vCloud Air. See part 1 and part 2 for the full details. Virtualization.

Vmware 65

Vmware Linux Storage Virtualization 65

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. Here’s a handy post by Dale Coghlan on how to find object IDs for just about anything in a VMware NSX environment. Operating Systems/Applications. Servers/Hardware.

Vmware 60

Vmware Linux Intel Storage 60

Scott Lowe

DECEMBER 6, 2012

Bruce Davie and Martin Casado (with Nicira, now part of VMware) have written a post comparing the VXLAN and STT tunneling protocols. Operating Systems/Applications. I found this article on imperative vs. declarative system configuration is quite helpful in understanding Puppet’s declarative model. Until the 1.3

Vmware 108

Vmware Virtualization Storage Hardware 108

Scott Lowe

FEBRUARY 10, 2015

This time around, the content is a bit heavier on cloud management and applications/operating systems, but still lots of good content all the way around (I hope, anyway). Jason Edelman has posted a self-compiled list of networking projects that are open source ; this is a useful list, so thanks for compiling it Jason!

Open Source 60

Open Source Vmware Network IBM 60

Scott Lowe

JANUARY 28, 2016

And while we are on the topic of Linux and open source in the networking industry…read this entertaining and informative article on the importance of (truly) open source libraries in networking. The project itself is open source and hosted on GitHub. Operating Systems/Applications.

Vmware 60

Vmware Open Source Linux Devops 60

Scott Lowe

JULY 5, 2019

As would be expected with any maturing open source project that is starting to see increased adoption, Kubernetes has seen its share of security vulnerabilities over the last couple of months. Operating Systems/Applications. Mischa Buijs reviews using a SATADOM boot device with VMware ESXi. Kubernetes 1.15

Storage 60

Storage Hardware Open Source Vmware 60

Scott Lowe

OCTOBER 5, 2012

Some folks from Nicira (now part of VMware) recently published a blog post discussing the OVSDB IETF draft (see here ). 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

APRIL 19, 2019

This article discusses four open source secrets management tools. Many organizations prefer to use two-factor authentication (2FA) to help protect their systems. Bahubali (Bill) Shetti walks through analyzing the cost of a self-managed Kubernetes cluster on AWS using VMware CloudHealth. Cloud Computing/Cloud Management.

Open Source 60

Open Source Tools Policies Cloud 60

Scott Lowe

JANUARY 14, 2016

This is a fascinating (to me, at least) paper on the implications of non-volatile storage on today’s data centers (and data center hardware). Dwayne Sinclair (an NSX SE at VMware) has a write-up on what micro-segmentation is not. Operating Systems/Applications. Servers/Hardware. Virtualization.

Devops 60

Devops Vmware Storage Open Source 60

Scott Lowe

JANUARY 17, 2020

Guiliano Bertello introduces PowerVCF , a PowerCLI module aimed at interacting with the SDDC Manager and VMware Cloud Foundation (VCF) stack. (If Operating Systems/Applications. Frank Denneman has a nice article aimed at helping readers understand PCIe device to NUMA Node Locality. This is kind of cool. I’m so far behind.

Load Balancer 60

Load Balancer Vmware Windows Cloud 60

Scott Lowe

APRIL 15, 2022

Operating Systems/Applications. Steven Bright shows how to deploy Salt minions automatically using VMware Tools. And it’s publicly available on GitHub , although not licensed with a typical open source license. Ajeet Singh Raina shares a list of the top 200 Kubernetes tools for DevOps engineers.

Linux 74

Linux Load Balancer IPv6 Licensing 74

Scott Lowe

JUNE 11, 2014

Anthony Burke’s series on VMware NSX continues with part 5. Operating Systems/Applications. Tom has since moved on to CSC (via the vCHS team at VMware) and has launched a “next-generation” version of Razor called Hanlon. Someone recently brought the open source Open vStorage project to my attention.

Vmware 60

Vmware Storage Network Virtualization 60

Scott Lowe

OCTOBER 14, 2017

Romain Decker has an “under the hood” look at the VMware NSX load balancer. I’ll keep an eye open for links to include next time around. Operating Systems/Applications. The popular open source container registry project, Harbor , has released a new version (version 1.2). Servers/Hardware.

Load Balancer 60

Load Balancer Vmware Hardware Open Source 60

Scott Lowe

AUGUST 8, 2014

Welcome to Technology Short Take #43, another episode in my irregularly-published series of articles, links, and thoughts from around the web, focusing on data center technologies like networking, virtualization, storage, and cloud computing. Another series on VMware NSX has popped up, this time from Jon Langemak. Networking.

Vmware 60

Vmware Linux Virtualization Network 60

Scott Lowe

MAY 25, 2017

John Welsh has a post on why someone might use VMware NSX. Operating Systems/Applications. I was recently reviewing some articles on Git, the popular distributed version control system, and came across a few related posts. This was the source of some confusion in the past; the move to Moby sidesteps those concerns.

Linux 60

Linux Open Source Network Vmware 60

Scott Lowe

MAY 25, 2017

John Welsh has a post on why someone might use VMware NSX. Operating Systems/Applications. I was recently reviewing some articles on Git, the popular distributed version control system, and came across a few related posts. This was the source of some confusion in the past; the move to Moby sidesteps those concerns.

Linux 60

Linux Open Source Network Vmware 60

Scott Lowe

SEPTEMBER 23, 2015

Not sure if this link belongs in Networking or in Virtualization, but we’ll stick it here since it talks about VMware NSX. Here’s a three-part series on running VMware NSX on vSphere on AWS via Ravello Systems ( part 1 , part 2 , and part 3 ). No problem, Ravello Systems has a blog (and a blueprint) to help you set all this up.

Vmware 60

Vmware Cloud Windows Linux 60