Scott Lowe

JANUARY 19, 2018

This is pretty cool: a WYSIWYG topology designer for VMware NSX. Barry Peddycord shares an update on Ansible support for the Cumulus Linux NCLU. Servers/Hardware. The VMware Cloud-Native Apps group has a breakdown of some of the new features/functionality found in the 1.9 Nothing this time around. release of Kubernetes.

Vmware 60

Vmware Open Source Linux Cloud 60

Scott Lowe

OCTOBER 5, 2018

Servers/Hardware. The big news in the hardware space recently was the article regarding the purported Chinese hardware supply chain attack. Of the (innumerable) articles commenting on the hardware hack, this article by Joe FitzPatrick and this ErrataSec article caught my eye. This has generated a lot of discussion.

Hardware 60

Hardware Open Source Vmware Linux 60

Scott Lowe

APRIL 15, 2022

Xavier Avrillier walks readers through using Antrea (a Kubernetes CNI built on top of Open vSwitch—a topic I’ve touched on a time or two) to provide on-premise load balancing in Kubernetes. Servers/Hardware. Cabling is hardware, right? Steven Bright shows how to deploy Salt minions automatically using VMware Tools.

Linux 74

Linux Load Balancer IPv6 Licensing 74

Scott Lowe

JANUARY 15, 2021

Servers/Hardware. The popular open source cryptography library known as Bouncy Castle has uncovered a severe authentication bypass vulnerability. The popular open source cryptography library known as Bouncy Castle has uncovered a severe authentication bypass vulnerability. Linux may be coming to the Apple M1 chip.

Linux 60

Linux Firewall Open Source Vmware 60

Scott Lowe

MARCH 17, 2016

At DevOps Networking Forum 2016, I had the opportunity to share a presentation on some Linux networking options. I recently came across a couple useful troubleshooting guides, one for Open vSwitch (OVS) and OpenStack Neutron and one for VMware NSX. Servers/Hardware. Have fun reading! Networking. Read more about it here.

Vmware 60

Vmware Linux Network Open Source 60

Scott Lowe

DECEMBER 29, 2016

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. Servers/Hardware. Michael Preston shares his thoughts on containers in a post titled “A VMware guy’s perspective on containers.” Alpine Linux 3.5

Vmware 60

Vmware Linux Open Source Data Center 60

Scott Lowe

JANUARY 27, 2023

Back in October of last year, Tom Hollingsworth weighed in on Hedgehog , the networking company that has set out to commercialize SONiC, a Linux-based NOS used extensively in Azure. Servers/Hardware What do you think of the ThinkPhone ? Rory McCune shares some information on configuring Caddy , a Go-based open source web server.

Programming 90

Programming Open Source Cloud Devops 90

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. Servers/Hardware. Any thoughts? All good stuff, thanks Mike!

Vmware 60

Vmware Storage Linux Network 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 Thinking of using a hardware VTEP (VXLAN Tunnel Endpoint) with VMware NSX? Servers/Hardware. Networking. Virtualization.

Vmware 60

Vmware Hardware Storage Linux 60

Scott Lowe

JANUARY 28, 2016

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. As a partial counterpoint to the increased use/visibility of Linux in the networking industry, check out Ivan’s take on Dell’s OS10 announcement. Servers/Hardware.

Vmware 60

Vmware Open Source Linux Devops 60

Scott Lowe

NOVEMBER 7, 2014

It was good to read this post on Cumulus Linux first impressions by Jeremy Stretch. I’m a fan of Cumulus, but I’m admittedly a Linux guy (see here ) so you might say I’m a bit biased. Jeremy is a “hard-core” networking professional, and so hearing his feedback on Cumulus Linux was, in my opinion, useful.

Vmware 69

Vmware Linux Storage Virtualization 69

Scott Lowe

DECEMBER 27, 2019

Teammate Alex Brand has a look at VMware’s new OVS-based CNI plugin, Antrea. Servers/Hardware. Cole Atkinson discusses the fact that osxfuse is no longer open source , and the ramifications of this development on open source in general. Spend time with your family instead. Networking.

Open Source 60

Open Source Vmware Authentication Storage 60

Scott Lowe

JANUARY 14, 2016

Cumulus VX, if you aren’t aware, is a community-supported virtual appliance version of Cumulus Linux aimed at helping folks preview and test “full-blown” Cumulus Linux (which, of course, requires compatible hardware). Servers/Hardware. Dwayne Sinclair (an NSX SE at VMware) has a write-up on what micro-segmentation is not.

Vmware 60

Vmware Devops Storage Linux 60

Scott Lowe

FEBRUARY 9, 2018

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

Vmware 60

Vmware Linux Network Storage 60

Scott Lowe

MAY 25, 2017

Servers/Hardware. John Welsh has a post on why someone might use VMware NSX. Here’s a quick post on nftables , the (eventual) Linux replacement for iptables. Check out this blog on work done to bring firmware updates into the land of Linux. Nicolas Michel has a good post on the transition from network engineer v1.0

Linux 60

Linux Open Source Network Vmware 60

Scott Lowe

MAY 25, 2017

Servers/Hardware. John Welsh has a post on why someone might use VMware NSX. Here’s a quick post on nftables , the (eventual) Linux replacement for iptables. Check out this blog on work done to bring firmware updates into the land of Linux. Nicolas Michel has a good post on the transition from network engineer v1.0

Linux 60

Linux Open Source Network Vmware 60

Scott Lowe

DECEMBER 6, 2019

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. Servers/Hardware. Here’s an article from Marko Saric on his switch from macOS to Linux.

Vmware 60

Vmware Network Linux Hardware 60

Scott Lowe

MAY 27, 2022

Servers/Hardware. marks the first release of the open source container orchestration platform that is signed using Sigstore (more details here ). The state of virtualization on Apple Silicon hardware has seen a few developments in recent days and weeks. network virtualization). Cloud Computing/Cloud Management.

Virtualization 79

Virtualization Storage Programming Network 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 Servers/Hardware. VMware has launched a SIG for Kubernetes on VMware. Networking.

Vmware 60

Vmware Storage Open Source Security 60

Scott Lowe

OCTOBER 14, 2017

Romain Decker has an “under the hood” look at the VMware NSX load balancer. Servers/Hardware. I’ll keep an eye open for links to include next time around. The popular open source container registry project, Harbor , has released a new version (version 1.2). Nothing this time (sorry!).

Load Balancer 60

Load Balancer Vmware Hardware Open Source 60

Scott Lowe

DECEMBER 8, 2016

This is an interesting project to watch, I think—it’s porting OVN (Open Virtual Network) from a “traditional” OvS back-end to an IOVisor-based back-end (IOVisor implements the data plane in eBPF). Servers/Hardware. I noted that a Vagrant provider for vRealize Automation was recently released as an open source project.

Vmware 60

Vmware Storage Intel Virtualization 60

Scott Lowe

JULY 5, 2019

Servers/Hardware. Although I’ve by and large moved away from Apple hardware (I still have a MacBook Pro running macOS that sees very little use, and a Mac Pro running Fedora), I did see this article regarding a new keyboard for the MacBook Air and MacBook Pro. Mischa Buijs reviews using a SATADOM boot device with VMware ESXi.

Storage 60

Storage Hardware Open Source Vmware 60

Scott Lowe

JANUARY 14, 2016

Cumulus VX, if you aren’t aware, is a community-supported virtual appliance version of Cumulus Linux aimed at helping folks preview and test “full-blown” Cumulus Linux (which, of course, requires compatible hardware). Servers/Hardware. Dwayne Sinclair (an NSX SE at VMware) has a write-up on what micro-segmentation is not.

Devops 60

Devops Vmware Storage Open Source 60

Scott Lowe

AUGUST 8, 2014

It would be great to see Docker get support for connecting containers directly to Open vSwitch (OVS), which is generally considered the de facto standard for networking on Linux hosts. Another series on VMware NSX has popped up, this time from Jon Langemak. Servers/Hardware. Open Source Tools and Projects I Should Learn.

Vmware 60

Vmware Linux Virtualization Network 60

Scott Lowe

DECEMBER 17, 2015

Looking for a step-by-step install guide for VMware NSX? Ray Budavari—who is an absolutely fantastic NSX resource—has a blog post up on the integration between VMware NSX and vRealize Automation. If you’d like to play around with Cumulus Linux but don’t have a compatible hardware switch, Cumulus VX is the answer.

Vmware 60

Vmware Linux Architecture Hardware 60

Scott Lowe

APRIL 19, 2019

Milind Gunjan shares some tips for troubleshooting Linux bridged networking on a KVM host. Servers/Hardware. Tim Hinrichs discusses securing the Kubernetes API with Open Policy Agent. This article discusses four open source secrets management tools. configurations. Nothing this time around!

Open Source 60

Open Source Tools Policies Cloud 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. Servers/Hardware. Ajay Chenampara shares his workaround for storing GitHub credentials on Linux.

Vmware 60

Vmware Storage Network Examples 60

Scott Lowe

SEPTEMBER 3, 2014

To help resolve this issue, Cumulus Networks (and possibly Metacloud, I’m not sure of their involvement yet) has release an open source project called vxfld. Servers/Hardware. VMware has a similar offering via the VMware vCloud Hybrid Service recovery-as-a-service offering. Running Hyper-V with Linux VMs?

Linux 60

Linux Network Vmware Disaster Recovery 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 ). Servers/Hardware. If storage is your thing—especially in VMware environments—I’d recommend having a look at Cormac Hogan’s blog for his series on vSphere 5.1 Networking. It starts here.

Storage 92

Storage Vmware Linux Virtualization 92

Scott Lowe

MARCH 23, 2017

Servers/Hardware. Acra is open source and available via GitHub. Here’s a post outlining some of VMware’s more prominent open source projects in the “cloud-native” space. VMware recently announced the open sourcing of some software development kits (SDKs) for the new REST APIs in vSphere 6.5.

Open Source 60

Open Source Storage Vmware Network 60

Scott Lowe

AUGUST 16, 2017

Servers/Hardware. John Welsh has a post on why someone might use VMware NSX. Here’s a quick post on nftables , the (eventual) Linux replacement for iptables. Check out this blog on work done to bring firmware updates into the land of Linux. Nicolas Michel has a good post on the transition from network engineer v1.0

Open Source 60

Open Source Network Linux Engineering 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 ). Servers/Hardware. Without further ado, let’s get to the content. Networking.

Vmware 60

Vmware Cloud Windows 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.” Servers/Hardware. Here’s a walkthrough to install Arch Linux on VirtualBox. Here’s a list of some open source Docker-related tools that developers may find useful. What’s that? See here.).

Linux 60

Linux Devops Open Source Virtualization 60

Scott Lowe

JULY 14, 2015

Michael Armstrong, an SE for VMware in the UK, has a write-up on how to configure DHCP Relay in NSX 6.1. Servers/Hardware. Although slanted toward Network Functions Virtualization (NFV), this is a good article about why open source—and OpenStack, in particular—isn’t necessarily “free.”. Running vSphere 6? You’re done.

Vmware 60

Vmware Devops Virtualization Network 60

Scott Lowe

OCTOBER 23, 2013

with the Floodlight open source controller. Servers/Hardware. Both of these are definitely worth reading if you want a bit more detail on how one of VMware’s newest technologies, VSAN, is going to impact the end-user computing (EUC) space. This is an older post from April 2013, but still useful, I think.

Vmware 60

Vmware Network Virtualization Storage 60

Scott Lowe

MAY 11, 2018

Servers/Hardware. ” While the post is clearly Sysdig-oriented (as would be fully expected), it’s also cool to see how powerful the assembly of various open source projects can be. This is a lesson VMware learned years ago with Distributed Resource Scheduler (DRS). Sorry, I don’t have anything for you.

Network 60

Network Virtualization Open Source Vmware 60

Galido

MARCH 19, 2019

Zero Day Blog from ZDNet helps you to stay on top of the latest in software/hardware security research, along with vulnerabilities, threats and computer attacks. Covering vista, Linux, Ubuntu, SQL server, mac os, enterprise, UNIX, open source, AMD, ERP – Techworld.com. Your gateway to the VMware universe.

Resources 113

Resources Mobile Data Center Security 113