Scott Lowe

AUGUST 12, 2022

DNS, BGP, hardware-based security, Kubernetes, Linux—they’re all in here. Servers/Hardware. A “highly evasive” Linux malware named OrBit has emerged; see here for more details. Ivan Velichko takes readers on a journey of how Kubernetes reinvented virtual machines (in a good sense).

Linux 90

Linux Storage Virtualization Hardware 90

Scott Lowe

MARCH 21, 2017

This post is part of a series of posts sharing other users’ stories about their migration to Linux as their primary desktop OS. As I mentioned in part 1 of the series , there seemed to be quite a bit of pent-up interest in using Linux as your primary desktop OS. Q: Why did you switch to Linux? is awesome).

Linux 60

Linux Open Source Windows Operating Systems 60

Virtualized Greek

AUGUST 27, 2013

Speaker: Martin Casado (VMware Networking CTO). For example, the server virtualization value proposition is simple. You can save money if you consolidate your Windows & Linux workloads to fewer servers. You can save money if you consolidate your Windows & Linux workloads to fewer servers. Operations.

Virtualization 68

Virtualization Network Load Balancer Vmware 68

Scott Lowe

OCTOBER 8, 2021

There’s some networking stuff, a few security links, and even a hardware-related article. Servers/Hardware. Nice to see that work on getting Linux up and running and fully functional on Apple’s proprietary M1 chips is progressing well. Virtualization. Welcome to Technology Short Take #146! Networking.

IPv6 97

IPv6 Storage Hardware Vmware 97

Scott Lowe

APRIL 6, 2017

Humair Ahmed of VMware shares some details on a new control plane resiliency feature recently added to VMware NSX: Controller Disconnected Operation (CDO) mode. Here’s a handy list of deprecated Linux network commands and their replacements. Servers/Hardware. Intel NUC or SuperMicro E200-8D?

Vmware 60

Vmware Linux Storage 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. Michael Kashin shares the journey of containerizing NVIDIA Cumulus Linux. Servers/Hardware.

Linux 90

Linux Load Balancer Malware Virtualization 90

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

FEBRUARY 16, 2017

The rise of the disaggregated network operating system (NOS) marches on: this time, it’s Big Switch Networks announcing expanded hardware support in Open Network Linux (ONL) , upon which its own NOS is based. Servers/Hardware. I use OTR with Adium on OS X, and OTR with Pidgin on my Fedora Linux laptop.). Virtualization.

Vmware 60

Vmware Linux Storage Load Balancer 60

Scott Lowe

JUNE 18, 2021

The collection of links shared below covers a fairly wide range of topics, from old Sun hardware to working with serverless frameworks in the public cloud. Via Ivan Pepelnjak, I was pointed to Jon Langemak’s in-depth discussion of working with Linux VRFs. Servers/Hardware. Virtualization. Networking. Here you go.

Vmware 60

Vmware Hardware Load Balancer Apple 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 Numan Siddique describes the native DHCP support available in OVN (Open Virtual Network). Servers/Hardware. Virtualization.

Vmware 60

Vmware Hardware Storage Linux 60

Scott Lowe

JUNE 2, 2016

Anthony Burke has written a script that uses VMware NSX to protect VMware Log Insight instances. Servers/Hardware. Intel clearly has its sights set on expanding beyond just “servers” into many more platforms, including network hardware platforms. Virtualization. Welcome to Technology Short Take #67. Networking.

Vmware 60

Vmware Virtualization Linux Windows 60

Scott Lowe

SEPTEMBER 8, 2023

Michael Kashin has a good post on source IP address selection in Linux. Servers/Hardware I must admit that I always wanted to have a Sun workstation, and I’ve had an interest in SunOS/Solaris for years (check out this link if you don’t believe me). Here are some design considerations for Wi-Fi 6E (6GHz) networks.

Vmware 74

Vmware Network Hardware Cloud 74

Scott Lowe

OCTOBER 8, 2021

There’s some networking stuff, a few security links, and even a hardware-related article. Servers/Hardware. Nice to see that work on getting Linux up and running and fully functional on Apple’s proprietary M1 chips is progressing well. Virtualization. Welcome to Technology Short Take #146! Networking.

IPv6 60

IPv6 Storage Hardware Vmware 60

Scott Lowe

MAY 27, 2022

network virtualization). Is the relationship between network virtualization and service mesh closer than some folks might wish to admit? Servers/Hardware. Virtualization. The state of virtualization on Apple Silicon hardware has seen a few developments in recent days and weeks. Career/Soft Skills.

Virtualization 79

Virtualization Storage Programming Network 79

Scott Lowe

NOVEMBER 25, 2020

Uh oh… more hardware exploits. You may have heard of eBPF, the Linux technology that is reshaping Linux applications (and in some ways reshaping Linux itself). Something about Linux, and Fedora in particular, just keeps drawing me back. What a time to be alive: Microsoft has its own Linux distribution.

Linux 60

Linux Vmware Open Source Examples 60

Scott Lowe

JUNE 18, 2017

Sjors Robroek describes his nested NSX-T lab that also includes some virtualized network equipment (virtualized Arista switches). Colin Lynch shares some details on his journey with VMware NSX (so far). I wouldn’t take this information as gospel, but here’s a breakdown of some of the IPv6 support available in VMware NSX.

Windows 60

Windows Vmware Virtualization Linux 60

Scott Lowe

JUNE 18, 2017

Sjors Robroek describes his nested NSX-T lab that also includes some virtualized network equipment (virtualized Arista switches). Colin Lynch shares some details on his journey with VMware NSX (so far). I wouldn’t take this information as gospel, but here’s a breakdown of some of the IPv6 support available in VMware NSX.

Windows 60

Windows Vmware Virtualization Linux 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

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 Linux Open Source Devops 60

Scott Lowe

DECEMBER 6, 2013

A fan of network virtualization might also say that decomposing today’s complex physical networks into multiple simple logical networks on top of a simpler physical transport network—similar to Mike’s suggestion of converging on a smaller set of reference architectures—might also help. (Of Servers/Hardware.

Vmware 60

Vmware Storage Linux 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 15, 2022

Servers/Hardware. Cabling is hardware, right? Although Linux is often considered to be superior to Windows and macOS with regard to security, it is not without its own security flaws. Although Linux is often considered to be superior to Windows and macOS with regard to security, it is not without its own security flaws.

Linux 74

Linux Load Balancer IPv6 Licensing 74

Scott Lowe

JULY 22, 2013

The networking “old guard” likes to talk about how x86 servers and virtualization create network bottlenecks due to performance concerns, but as Ivan points out in this post , it’s rapidly becoming—or has already become—a non-issue. (By Servers/Hardware. Virtualization. Seriously.).

Vmware 106

Vmware Virtualization Network Linux 106

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 Virtualization. Nothing this time around.

Vmware 60

Vmware Open Source Linux Cloud 60

Scott Lowe

NOVEMBER 17, 2016

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. Servers/Hardware. Jeff Geerling walks you through how to use Ansible via Windows 10’s Subsystem for Linux. Virtualization.

Linux 60

Linux Vmware Storage Network 60

Scott Lowe

OCTOBER 9, 2016

That prompted Cody Bunch to write this article on setting up a topology with BGP on Linux using the topology converter , which I’m now mentioning in this Technology Short Take. PowerShell on Cumulus Linux on a network switch? Clifford Haas has a review of VMware NSX (this is from back in January). Servers/Hardware.

Vmware 60

Vmware Case Study Linux Network 60

Virtualized Greek

JANUARY 28, 2014

Or should I say, I haven’t seen a great operating model for seamlessly managing both Windows and Linux. Normally, the touch points between managing the two environments are at a very high level such as hardware and application management. Hypervisors should be treated the same as Linux and Windows management.

Vmware 68

Vmware Linux Comparison Windows 68

Scott Lowe

JULY 21, 2016

First up, there’s a great article on using IPVLAN with Docker and Cumulus Linux (with a tie back to sFlow, naturally!). Here’s a walkthrough by Cody Bunch on setting up BGP on Linux with Cumulus Quagga. Servers/Hardware. VMware is offering licenses for Log Insight to customers who already own NSX. Thanks Jason!

Vmware 60

Vmware Linux Storage Hardware 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. Virtualization. Have I mentioned the ESXi Virtual Appliance ?

Vmware 60

Vmware Devops Storage Linux 60

Scott Lowe

OCTOBER 28, 2022

Servers/Hardware. William Lam writes about the beta for VMware Cloud Consumption Interface (CCI). Virtualization. Nicholas Schmidt takes on using cloud-init with vSphere , using openSUSE as the Linux platform. I believe that IT folks in all disciplines, including networking, need to embrace automation. Programming.

Open Source 79

Open Source Apple Vmware Cloud 79

Scott Lowe

DECEMBER 22, 2018

Servers/Hardware. On the hardware side of things, we have James Hamilton of AWS discussing two hardware-related items coming out of AWS re:Invent 2018. Kyle Ruddy helps folks get started with the Desired State Configuration Resources (DSCR) for VMware , a new way of using PowerShell DSC with VMware vSphere environments.

Vmware 60

Vmware Linux Hardware Case Study 60

Scott Lowe

NOVEMBER 30, 2018

” Servers/Hardware. Christian Kellner provides a brief reminder that not all USB-C ports are Thunderbolt ports, and updates everyone on the status of bolt (Linux utility for working with Thunderbolt ports and peripherals). Virtualization. Matt Oswalt shares some details on how NRE Labs implements “curriculum-as-code.”

Vmware 60

Vmware Authentication Virtualization Storage 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. Ivan Pepelnjak asks the question, “Is OpenFlow the best tool for overlay virtual networks?”

Vmware 60

Vmware Linux Virtualization Network 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. Virtualization. Career/Soft Skills.

Hardware 60

Hardware Open Source Vmware Linux 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. Blueprints that demonstrate VMware-Chef integration. Virtualization. on Ubuntu 16.04. Have a look here.

Vmware 60

Vmware Storage Intel Virtualization 60

Scott Lowe

MARCH 10, 2015

I highly recommend you read the entire post, but in short the five skills Matt recommends are software skills (which includes configuration management and software development tools like Git ), Linux, deep protocol knowledge, hypervisor and container networking, and IPv6. Servers/Hardware. What does this mean?

Vmware 60

Vmware Linux Hardware Software Development 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 ? Ah, the bygone sounds of yesteryear …what a blast from the past! to version 8.0.

Programming 90

Programming Open Source Cloud Devops 90