Virtualized Greek

AUGUST 27, 2013

Speaker: Martin Casado (VMware Networking CTO). 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. NSX is basically a network hypervisor similar to how ESXi is a server hypervisor.

Virtualization 68

Virtualization Network Load Balancer Vmware 68

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. Uh oh… more hardware exploits. Something about Linux, and Fedora in particular, just keeps drawing me back. See, something for everyone!

Linux 60

Linux Vmware Open Source Examples 60

Scott Lowe

OCTOBER 8, 2021

There’s some networking stuff, a few security links, and even a hardware-related article. Networking. Russ White shares Russ' rules for network design. 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.

IPv6 60

IPv6 Storage Hardware Vmware 60

Scott Lowe

AUGUST 12, 2022

DNS, BGP, hardware-based security, Kubernetes, Linux—they’re all in here. Networking. Servers/Hardware. A “highly evasive” Linux malware named OrBit has emerged; see here for more details. Hopefully I’ve managed to find something useful for someone. Are you ready to give up GitHub ?

Linux 90

Linux Storage Virtualization Hardware 90

Scott Lowe

FEBRUARY 16, 2017

Networking. 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. Nothing this time around, sorry! Check this out.

Vmware 60

Vmware Linux Storage Load Balancer 60

Scott Lowe

NOVEMBER 17, 2016

Networking. Ansible has made some good progress in supporting network automation in the latest release (2.2), according to this blog post. Jeremy Stretch mulls over the (perceived) problem of getting traffic into and out of overlay networks. I’m admittedly a Cumulus Networks fan.) Servers/Hardware.

Linux 60

Linux Vmware Storage Network 60

Scott Lowe

JUNE 2, 2016

Networking. Anthony Burke has written a script that uses VMware NSX to protect VMware Log Insight instances. Russ White tackles the issue of networking engineers needing to learn to code. Jason Messer has an article describing how networking works with Windows containers. Servers/Hardware. Is it necessary?

Vmware 60

Vmware Virtualization Linux Windows 60

Scott Lowe

MARCH 17, 2016

Networking. At DevOps Networking Forum 2016, I had the opportunity to share a presentation on some Linux networking options. Here’s another topic that came up at the recent DevOps Networking Forum: Spotify’s SDN Internet Router (SIR). Here’s some information on Nuage Networks’ experimental Docker Network plugin.

Vmware 60

Vmware Linux Network Open Source 60

Scott Lowe

NOVEMBER 7, 2014

Networking. This post by Matt Oswalt—the first in a series, apparently—provides a great introduction to 5 development tools for network engineers. Matt also recently posted part 4 (of 5) in his series on SDN protocols; this post covers OpFlex and declarative networking. Servers/Hardware. Interesting thought.

Vmware 69

Vmware Linux Storage Virtualization 69

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. Operating Systems/Applications.

Vmware 60

Vmware Linux Open Source Devops 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). Servers/Hardware.

Vmware 60

Vmware Hardware Storage Linux 60

Scott Lowe

APRIL 15, 2022

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

Linux 74

Linux Load Balancer IPv6 Licensing 74

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. Programming.

Open Source 79

Open Source Apple Vmware Cloud 79

Scott Lowe

OCTOBER 9, 2016

Networking. 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).

Vmware 60

Vmware Case Study Linux Network 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. Servers/Hardware.

Vmware 60

Vmware Storage Linux Network 60

Scott Lowe

JANUARY 19, 2018

Networking. Matt Klein breaks down service mesh components , using terms networking professionals know well, like “data plane” and “control plane.” ” Those familiar with networking concepts will identify well with the ideas in this article, I think. Servers/Hardware. Nothing this time around.

Vmware 60

Vmware Open Source Linux Cloud 60

Scott Lowe

JULY 21, 2016

Networking. Netmiko, if you haven’t heard, is a fantastic Python library that’s really useful when writing Python-based network automation scripts. First up, there’s a great article on using IPVLAN with Docker and Cumulus Linux (with a tie back to sFlow, naturally!). Servers/Hardware. See this article by Dale Coghlan.

Vmware 60

Vmware Linux Storage Hardware 60

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

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. Here’s a nice deep dive on Linux executables.

Hardware 60

Hardware Open Source Vmware Linux 60

Scott Lowe

JANUARY 15, 2021

Networking. Servers/Hardware. From early December 2020, there’s also this reminder about the security updates released by VMware to address a zero-day vulnerability in several products. Heidi Howard and Ittai Abraham illustrate some of the challenges of the Raft consensus protocol when there is a network partition.

Linux 60

Linux Firewall Open Source Vmware 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. Networking. Michael Kashin shares the journey of containerizing NVIDIA Cumulus Linux.

Linux 90

Linux Load Balancer Malware Virtualization 90

Scott Lowe

JULY 22, 2013

Networking. 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. Servers/Hardware. Here’s one idea.

Vmware 106

Vmware Virtualization Network Linux 106

Scott Lowe

FEBRUARY 9, 2018

Networking. Sam McGeown has a nice diagram of the communications channels between the various VMware NSX components. I particularly liked his (mini-)rant about how network automation can’t be only about making the network engineer’s life easier. Servers/Hardware. Nothing this time around (sorry!).

Vmware 60

Vmware Linux Network Storage 60

Scott Lowe

MARCH 10, 2015

Networking. I love this post from Matt Oswalt on five next-gen skills for networking pros. It tells me that some skills—specifically, Linux, automation/configuration management, software development concepts—are going to be essential for all new IT pros in the near future. Servers/Hardware. Bring on the content!

Vmware 60

Vmware Linux Hardware Software Development 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. Cloud Computing/Cloud Management.

Vmware 60

Vmware Network Linux Hardware 60

Scott Lowe

AUGUST 16, 2017

This is my irregularly-published collection of links and articles from around the Internet related to the major data center technologies: networking, hardware, security, cloud computing, applications/OSes, storage, and virtualization. Networking. to VMware NSX 6.2.5 Servers/Hardware. PowerNSX in a container?

Vmware 60

Vmware Storage Network Windows 60

Scott Lowe

JUNE 18, 2017

Networking. 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). Servers/Hardware. Welcome to Technology Short Take #84! This episode is a bit late (sorry about that!),

Windows 60

Windows Vmware Virtualization Linux 60

Scott Lowe

JUNE 18, 2017

Networking. 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). Servers/Hardware. Welcome to Technology Short Take #84! This episode is a bit late (sorry about that!),

Windows 60

Windows Vmware Virtualization Linux 60

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 29, 2016

Networking. Ajay Chenampara has some observations about running Ansible at scale against network devices. 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. Alpine Linux 3.5

Vmware 60

Vmware Linux Open Source Data Center 60

Scott Lowe

DECEMBER 22, 2018

Networking. 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. Dave Taylor provides s ome tips for configuring VMware Fusion for Linux usage. Welcome to Technology Short Take #108! Career/Soft Skills.

Vmware 60

Vmware Linux Hardware Case Study 60

Scott Lowe

DECEMBER 8, 2016

Networking. Will Robinson talks about how to structure your Ansible playbooks in the context of using Ansible to control your network gear. 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).

Vmware 60

Vmware Storage Intel Virtualization 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. Networking. Jason Edelman recently took a look at Docker networking. Servers/Hardware.

Vmware 60

Vmware Linux Virtualization 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. Operating Systems/Applications.

Vmware 60

Vmware Open Source Linux Devops 60

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. I certainly hope not! Career/Soft Skills.

Virtualization 79

Virtualization Storage Network Programming 79

Scott Lowe

MAY 22, 2015

Welcome to Technology Short Take #51, another collection of posts and links about key data center technologies like networking, virtualization, cloud management, and applications/operating systems. Networking. Rick Sherman has an article on using Jinja2 templates for network automation , including a practical example.

Vmware 60

Vmware Network Virtualization IPv6 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