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. You may have heard of eBPF, the Linux technology that is reshaping Linux applications (and in some ways reshaping Linux itself). Good stuff!

Linux 60

Linux Vmware Open Source Examples 60

Scott Lowe

JULY 17, 2020

Networking. Chip Zoller takes a look at Antrea , a new Kubernetes CNI (Container Networking Interface) plugin that leverages Open vSwitch (OVS). Ivan Pepelnjak has a fantastic article on adapting network design to acommodate automation. Bruno Hildenbrand shares 20 tips for managing Linux VMs on Azure. ” Great quote!

Linux 60

Linux Apple Operating Systems Policies 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. Jeffrey Kusters has a write-up on how to integrate AWS and vRealize Network Insight 3.4.

Vmware 60

Vmware Storage Network Windows 60

Scott Lowe

SEPTEMBER 3, 2014

Networking. 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. I’d love to hear from more networking pros (please disclose company affiliations) about their thoughts on this matter. Servers/Hardware.

Linux 60

Linux Network Vmware Disaster Recovery 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. In case you’re interested, here’s more details on CVE-2016-5195 , aka “Dirty Cow,” and how it might be used to allow a user to escape from a Linux container (like a Docker container).

Vmware 60

Vmware Storage Intel Virtualization 60

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.

Vmware 106

Vmware Virtualization Network Linux 106

Scott Lowe

MARCH 7, 2014

Networking. I mean, if they aren’t willing to embrace the abstraction and automation that a cloud management platform brings, will abstraction and automation at the networking layer provide any significant benefit? Don’t think this “software-defined networking” thing is going to take off? x86 marches on!

Virtualization 60

Virtualization Hardware Intel Vmware 60

Scott Lowe

MARCH 8, 2016

Networking. Cue the round of folks claiming that this is why proprietary network operating systems [NOSes] are the route the networking industry should be taking.). (Cue Cue the round of folks claiming that this is why proprietary network operating systems [NOSes] are the route the networking industry should be taking.).

Vmware 60

Vmware Linux Intel Network 60

Scott Lowe

SEPTEMBER 11, 2013

This is a liveblog of the day 2 keynote at Intel Developer Forum (IDF) 2013 in San Francisco. Fisher sets the stage for people interacting with multiple devices, and devices that are highly mobile, supported by software and services delivered over a ubiquitous network connection. It appears it’s running some flavor of Windows.

Intel 60

Intel Hardware Mobile Dell 60

Scott Lowe

DECEMBER 8, 2017

Networking. Amanpreet Singh has a two-part series on Kubernetes networking ( part 1 , part 2 ). sFlow is a networking technology that I find quite interesting, but I never seem to have the time to really dig into it. Still, there’s a great collection of links and articles here for you, so dig in and enjoy. Virtualization.

Vmware 60

Vmware Linux Network Cloud 60

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.

Vmware 60

Vmware Virtualization Network Linux 60

Scott Lowe

JUNE 22, 2015

Next up, Hykes talks about solving “the next problem”—which, in his mind, is networking. Hykes believes that machines (infrastructure) and the network should be part of the application, and should conform to what the application needs. Docker Network leverages DNS for service discovery. It’s all built on industry standards.

Applications 60

Applications Linux Network Tools 60

Scott Lowe

OCTOBER 23, 2013

Networking. Paul Fries takes on defining SDN , breaking it down into two “flavors”: host dominant and network dominant. I’d like to add to Paul’s analysis that it’s important to understand that, in reality, host dominant and network dominant systems can coexist. I hope you find something useful.

Vmware 60

Vmware Network Virtualization Storage 60

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

SEPTEMBER 5, 2013

Jeda Networks. I’ve mentioned Jeda Networks before (see here ), and I was pretty excited to have the opportunity to sit down with a couple of guys from Jeda to get more details on what they’re doing. Jeda Networks describes themselves as a “software-defined storage networking” company. Vormetric.

Meeting 63

Meeting Storage Hardware Network 63

ForAllSecure

APRIL 22, 2021

For some people, for instance, a router might be internet of things for other people it might not be it might be considered network infrastructure. So what then makes IoT hacking different from say traditional network hacking. Is that a traditional networking attack, or is that an IoT attack?

Internet 52

Internet Research Security Tools 52

ForAllSecure

APRIL 22, 2021

For some people, for instance, a router might be internet of things for other people it might not be it might be considered network infrastructure. So what then makes IoT hacking different from say traditional network hacking. Is that a traditional networking attack, or is that an IoT attack?

Internet 52

Internet Research Security Tools 52

Scott Lowe

MARCH 20, 2020

Networking. Dinesh Dutt of Cumulus Networks writes about the effect of switch port count in Clos topologies. This blending of “traditional” network engineering with containers, Linux, and DevOps tooling is how Matt is setting new trends and directions for the networking industry. Good stuff here!

Linux 60

Linux Vmware Authentication Storage 60

Scott Lowe

SEPTEMBER 13, 2013

I’m back home in Denver after spending a few days in San Francisco at Intel Developer Forum (IDF) 2013, so I thought I’d take a few minutes to sit down and share a summary of the event and my thoughts. Enhancing OpenStack with Intel Technologies for Public, Private, and Hybrid Cloud: [link].

Intel 60

Intel Network Architecture Virtualization 60

Scott Lowe

SEPTEMBER 8, 2016

Networking. Intel has finally started shipping silicon photonics gear, according to this report from El Reg (news coming out of IDF16). This blog post on shielded VMs in Windows Server 2016 is a bit light on details, but the embedded video may be more informative (I didn’t watch it). Welcome to Technology Short Take #71!

Vmware 60

Vmware Linux Intel Storage 60

Scott Lowe

JUNE 4, 2013

Networking. What happens when multiple VXLAN logical networks are mapped to the same multicast group? This post by Ranga Maddipudi shows you how to use App Firewall in conjunction with VXLAN logical networks. I talked before about the difference between network virtualization and SDN, so no need to mention that again.

HP 106

HP Virtualization Hardware Network 106

Scott Lowe

APRIL 8, 2014

Networking. Matthew Brender touches on a networking issue present in VMware ESXi with regard to VMkernel multi-homing. Intel recently announced a refresh of the E5 CPU line; Kevin Houston has more details here. Here’s a quick article on how to assess if your Linux-based server is affected. See here for details.

Vmware 60

Vmware Windows Virtualization Storage 60

Scott Lowe

OCTOBER 8, 2014

Networking. If you’re not really a networking pro and need a “gentle” introduction to VXLAN, this post might be a good place to start. What is Intel SGX, you ask? To help with the setup of ASR, the Azure team has a write-up on the networking infrastructure setup for Microsoft Azure as a DR site.

Storage 60

Storage Intel Disaster Recovery Virtualization 60

Scott Lowe

APRIL 17, 2017

Hykes says these rules are the impetus behind the separation between Enterprise Edition and Community Edition, and why there are tools like Docker for Mac or Docker for Windows. The demo shows off multi-stage builds and the desktop-to-cloud integration from both Docker for Mac and Docker for Windows. Make the powerful simple.

Linux 60

Linux Open Source Windows Security 60

Scott Lowe

JUNE 4, 2013

Networking. What happens when multiple VXLAN logical networks are mapped to the same multicast group? This post by Ranga Maddipudi shows you how to use App Firewall in conjunction with VXLAN logical networks. I talked before about the difference between network virtualization and SDN, so no need to mention that again.

HP 61

HP Virtualization Hardware Network 61

Scott Lowe

MARCH 5, 2013

This Technology Short Take is a bit heavy on the networking side, but I suppose that’s understandable given my recent job change. Networking. Ben Cherian, Chief Strategy Officer for Midokura, helps make a case for network virtualization. Note: Midokura makes a network virtualization solution.) Am I wrong?

Virtualization 102

Virtualization Storage Vmware Network 102

Scott Lowe

DECEMBER 6, 2012

Networking. If you’re interested in learning more about OpenFlow and software-defined networking but need to do this on a shoestring budget in your home lab, a number of guides have been written to help out. Also see the “Networking” section above for a related post on the networking aspects involved.

Vmware 109

Vmware Virtualization Storage Hardware 109

GeekWire

NOVEMBER 6, 2020

The videos have titles such as “Neural Network Architectures and Deep Learning”; “Linear Quadratic Regulator (LQR) Control for the Inverted Pendulum on a Cart”; “Underdetermined Systems and Compressed Sensing” and many more. Mac, Windows or Linux? Steve Brunton is doing the latter.

Engineering 112

Engineering Education Video Transportation 112

Network World

JANUARY 8, 2018

As the fallout continues over the Meltdown and Spectre exploits in Intel and now some ARM processors, the issue of what to do about it is coming front and center. Clearly there is no fixing a silicon problem; Intel will have to adjust future chips to deal with it. So, for now, we have the software fixes.

Intel 72

Intel Linux Windows Apple 72

ForAllSecure

AUGUST 16, 2022

I’m reminded of when I trained to use Kali Linux. And so think about what a bad guy could do in your network for half a year plus, right, that's, that's not a good feeling and so we start up the research project to try to say okay well what can we do to defend against the adversary once right. So it's it's a fun time.

Tools 40

Tools Research Firewall Security 40

ForAllSecure

MAY 4, 2021

And so think about what a bad guy could do in your network for half a year plus, right, that's, that's not a good feeling and so we start up the research project to try to say okay well what can we do to defend against the adversary once right. So it's it's a fun time.

Government 52

Government Exercises Programming Groups 52

ForAllSecure

MAY 4, 2021

And so think about what a bad guy could do in your network for half a year plus, right, that's, that's not a good feeling and so we start up the research project to try to say okay well what can we do to defend against the adversary once right. So it's it's a fun time.

Government 52

Government Exercises Programming Groups 52