Scott Lowe

MARCH 15, 2024

Networking Lee Briggs (formerly of Pulumi, now with Tailscale) shows how to use the Tailscale Operator to create “free” Kubernetes load balancers (“free” as in no additional charge above and beyond what it would normally cost to operate a Kubernetes cluster). Thanks for reading! Read more about it in this post.

Linux 112

Linux Vmware Load Balancer Malware 112

CTOvision

APRIL 21, 2014

Here are details: Solid Heralds the Merging of the Physical and Virtual Worlds. As big data moves from the Web into the physical world, it’s more important than ever that people who deal with software and people who deal with hardware and machinery understand each other,” says Jon Bruner, who chairs Solid with MIT Media Lab’s Joi Ito.

Conference 255

Conference Virtualization Big Data CTO 255

Network World

APRIL 5, 2017

A critical vulnerability in the widely used Xen hypervisor allows attackers to break out of a guest operating system running inside a virtual machine and access the host system's entire memory. The new vulnerability affects Xen 4.8.x, x, and 4.4.x x and has existed in the Xen code base for over four years.

Virtualization 60

Virtualization Operating Systems Open Source Data Center 60

Scott Lowe

NOVEMBER 7, 2017

This session was titled “Carrier-Grade SDN Based OpenStack Networking Solution,” led by Daniel Park and Sangho Shin. Shin first provides some background on SKT, and discusses the steps that SKT has been taking to prepare their network for 5G infrastructure/services. exclusively leverages open source software.

Network 60

Network Virtualization Architecture Hardware 60

Scott Lowe

OCTOBER 28, 2022

Networking. Ivan Pepelnjak addresses the idea that network automation is harmful. I believe that IT folks in all disciplines, including networking, need to embrace automation. I believe that IT folks in all disciplines, including networking, need to embrace automation. Servers/Hardware. Virtualization.

Open Source 79

Open Source Apple Vmware Cloud 79

Scott Lowe

DECEMBER 31, 2021

Networking. Ivan Pepelnjak has a post on running network automation tools in a container. Tom Hollingsworth likens networking disaggregation to “cutting the cord” and switching away from cable. Tom Hollingsworth likens networking disaggregation to “cutting the cord” and switching away from cable.

Open Source 94

Open Source Virtualization Applications Security 94

Scott Lowe

MAY 27, 2022

Networking. network virtualization). Is the relationship between network virtualization and service mesh closer than some folks might wish to admit? Servers/Hardware. now has a follow-up exploit that exposes Aruba and Avaya network switches to remote code execution. Virtualization.

Virtualization 79

Virtualization Storage Programming Network 79

Scott Lowe

AUGUST 6, 2021

Networking. Back in April of this year, Patrick Ogenstad announced Netrasp , a Go package for writing network automation tooling in Go. Servers/Hardware. I saw this blog post about Curiefense , an open source Envoy extension to add WAF (web application firewall) functionality to Envoy. Virtualization.

Open Source 105

Open Source Load Balancer WAN Architecture 105

Virtualized Greek

JANUARY 27, 2014

Recently, I wrote a post on about VMware and Cisco jockeying for the position as the dominate player in network virtualization. The two vendors have differing views on how to solve the challenge of offering a programmable network. It allows any network to be virtualized using a software overlay.

Vmware 66

Vmware Open Source Virtualization Network 66

Scott Lowe

SEPTEMBER 8, 2023

Networking Brent Salisbury shares some code intended to help you “ChatGPT your project documentation.” This is a slightly older article (from January of this year) in which Josh Saul of Hedgehog pays homage to the achievements of Cumulus Networks in the open networking movement. What about preventing it?

Vmware 74

Vmware Network Hardware Cloud 74

CTOvision

MARCH 13, 2014

By Bob Gourley It is time we all began to focus more on the coming age of a totally networked, software-enhanced, continually enhancing, device enabled world. Here are details: Solid Heralds the Merging of the Physical and Virtual Worlds. Brian Gerkey, CEO of Open Source Robotics Foundation.

Conference 263

Conference Big Data CTO Internet 263

CTOvision

JANUARY 25, 2016

It was invented by Satoshi Nakamoto, who published the invention in 2008 and released it as open source software in 2009. Transactions are verified by a network of nodes and recorded in a public distributed ledger called the blockchain. More precisely, bitcoin is a digital asset and a payment system.

Enterprise 150

Enterprise Enterprise Internet Network 150

CTOvision

JANUARY 18, 2016

Networks and communities: Connecting professional networks other than office workers (especially those where most of the work is in mobile contexts). Human-computer interaction: Hardware companies with network effects. New organizational models: Bringing software development methodologies to other applications (e.g.,

Research 150

Research Artificial Intelligence Open Source Applications 150

Scott Lowe

JANUARY 27, 2023

I’ve got another collection of links to articles on networking, security, cloud, programming, and career development—hopefully you find something useful! Networking William Morgan’s 2022 service mesh recap captures some of the significant events in service mesh in 2022, although through a Linkerd-colored lens.

Programming 90

Programming Open Source Cloud Devops 90

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. Networking. The first is a post on Cilium and F5 load balancer integration , while the second discusses implementing Kubernetes network policies with Cilium and Linkerd.

Vmware 60

Vmware Hardware Load Balancer Apple 60

GeekWire

OCTOBER 26, 2021

A quantum hardware engineer works on one of the dilution refrigerators used at the AWS Center for Quantum Computing. “We’re in the building,” Painter, the AWS center’s head of quantum hardware, told GeekWire. AWS Photo). “Our people have been working there, which has been great.

Web Services 133

Web Services Hardware Research Open Source 133

CIO Business Intelligence

AUGUST 8, 2022

The UK-based accounting and tax consulting firm was one of few accountants in the UK that weathered the 2020 tax season without a hitch, thanks to its early bet on SaaS, Microsoft Azure, and software-defined networking. We increased our resources by a couple hundred people, and we couldn’t have done it without the Virtual Desktop.”.

Cloud 91

Cloud Windows Virtualization Microsoft 91

Scott Lowe

FEBRUARY 28, 2022

Networking. Koyeb describes , at a high level, the global networking stack for their serverless platform. Components involved include the open source Kuma service mesh (in turn leveraging Envoy), anycast BGP, and mutual TLS (mTLS). Servers/Hardware. Virtualization. Seriously.).

Storage 79

Storage Hardware Policies Open Source 79

Scott Lowe

OCTOBER 5, 2018

Networking. Brian Boucheron provides a great article on how to inspect and debug Kubernetes network primitives. Servers/Hardware. The big news in the hardware space recently was the article regarding the purported Chinese hardware supply chain attack. Virtualization. This has generated a lot of discussion.

Hardware 60

Hardware Open Source Vmware Linux 60

Scott Lowe

AUGUST 6, 2021

Networking. Back in April of this year, Patrick Ogenstad announced Netrasp , a Go package for writing network automation tooling in Go. Servers/Hardware. I saw this blog post about Curiefense , an open source Envoy extension to add WAF (web application firewall) functionality to Envoy. Virtualization.

Open Source 60

Open Source Load Balancer WAN Architecture 60

Scott Lowe

MARCH 2, 2020

Networking. Said van de Klundert has a post on screen scraping basics for network engineers. For network engineers just getting started with network automation, I suspect that the information shared here may prove quite useful. For readers who may be new to networking, Daniel Wray has a write-up on network cabling.

Linux 60

Linux Windows Hardware Network 60

Scott Lowe

JANUARY 28, 2016

Networking. 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. See this SDx Central article or this Network World article for more details.). Servers/Hardware. Per the README.md

Vmware 60

Vmware Linux Open Source Devops 60

Cloud Musings

MARCH 9, 2018

According to the former Equifax CEO’s testimony to Congress , one of the primary causes of this now infamous data breach was the company’s failure to patch a critical vulnerability in the open source Apache Struts Web application framework. Equifax also waited a week to scan its network for apps that remained vulnerable. [1]

Operating Systems 79

Operating Systems Enterprise Enterprise Virtualization 79

GeekWire

APRIL 26, 2021

Silicon Valley-based YC accepted a record 350 new companies for its winter program, which participated in a virtual Demo Day March 23. Though unable to attend in-person, Seattle participants said that a network of mentors, investors and thousands of alumni was still a powerful resource for growth.

Meeting 87

Meeting Programming Open Source Virtualization 87

Scott Lowe

JANUARY 14, 2016

Networking. 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). Using Python and Netmiko for network automation is the topic of this post by Colin McAlister.

Vmware 60

Vmware Devops Storage Linux 60

Scott Lowe

DECEMBER 27, 2019

Networking. Servers/Hardware. Ahmet Alp Balkan talks about how the Knative Serving component addresses some key networking challenges within Kubernetes. Cole Atkinson discusses the fact that osxfuse is no longer open source , and the ramifications of this development on open source in general.

Open Source 60

Open Source Vmware Authentication Storage 60

SecureWorld News

DECEMBER 3, 2020

Open-source reports indicate that Remote Desktop Protocol (RDP) usage jumped an estimated 41% when COVID-19 struck.". Open-source reports also tell us that over 3.5 million devices have RDP open publicly. However, just because these are open publicly does not mean the devices are actively exploited.

Security 52

Security Open Source Report Internet 52

CIO Business Intelligence

APRIL 5, 2022

Supply chain woes continue to plague organizations around the world and in virtually all sectors. It is also leveraging open source libraries such as XGBoost and Prophet; a variety of analytics tools; and Apache Airflow, an open-source workflow management platform, for data engineering and report automation.

Open Source 145

Open Source Data Tools Transportation 145

Galido

APRIL 27, 2020

For a start, it provides easy optimization of infrastructural resources since it uses hardware more effectively. However, even though the project was promising, in 2015, Google released this tool as an open-source project. This is especially true when compared to making a virtual machine with its own OS for each application.

Load Balancer 94

Load Balancer Tools Applications Open Source 94

Scott Lowe

MAY 25, 2017

Networking. I enjoyed Dave McCrory’s series on the future of the network (see part 1 , part 2 , part 3 , and part 4 —part 5 hadn’t gone live yet when I published this). Michael Kashin has a handy little tool that functions like ssh-copy-id on servers, but for network devices (leveraging Netmiko). Servers/Hardware.

Linux 60

Linux Open Source Network Vmware 60

Scott Lowe

MAY 25, 2017

Networking. I enjoyed Dave McCrory’s series on the future of the network (see part 1 , part 2 , part 3 , and part 4 —part 5 hadn’t gone live yet when I published this). Michael Kashin has a handy little tool that functions like ssh-copy-id on servers, but for network devices (leveraging Netmiko). Servers/Hardware.

Linux 60

Linux Open Source Network Vmware 60

Scott Lowe

DECEMBER 6, 2013

Networking. In this post on why networking needs a Chaos Monkey , Mike Bushong applies to the terms to networks—a snowflake network is an intricately crafted network that is carefully tailored to utilize a custom subset of networking features unique to your environment. Here’s a good source.

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 Networking. Numan Siddique describes the native DHCP support available in OVN (Open Virtual Network).

Vmware 60

Vmware Hardware Storage Linux 60

Scott Lowe

DECEMBER 6, 2019

Networking. Brian Linkletter has a post on how to run the Antidote network emulator on KVM for better performance. Antidote, as I understand it, is the network emulator that runs the labs on the NRELabs web site (which is another cool thing in and of itself). Servers/Hardware.

Vmware 60

Vmware Network Linux Hardware 60

Scott Lowe

APRIL 15, 2022

Networking. Want to understand kube-proxy , a key part of Kubernetes networking, a bit better? 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.

Linux 74

Linux Load Balancer IPv6 Licensing 74

Scott Lowe

MARCH 23, 2017

Networking. Biruk Mekonnen has an introductory article on using Netmiko for network automation. Gabriele Gerbino has a nice write-up about Cisco’s efforts with APIs ; his article includes a brief description of YANG data models and a comparison of working with network devices via SSH or via API. Servers/Hardware.

Open Source 60

Open Source Storage Vmware Network 60

Scott Lowe

NOVEMBER 25, 2020

Networking. Isovalent—the company behind Cilium, the eBPF-powered networking solution for Kubernetes clusters—just launched with a $29M Series A round of funding. Open source has become so critical to so many aspects of our computing infrastructure. Uh oh… more hardware exploits. Virtualization.

Linux 60

Linux Vmware Open Source Examples 60