Scott Lowe

SEPTEMBER 10, 2014

In case you hadn’t noticed, I’m at Intel Developer Forum (IDF) 2014 this week in San Francisco. Intel has a very large consumer presence: PCs, ultrabooks, tablets, phones, 2-in–1/convertibles, all-in–1 devices. Day 1 Keynote. Here’s a liveblog of the IDF 2014 day 1 keynote. Technical Sessions.

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Intel Hardware Linux Virtualization 60

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.).

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Vmware Linux Storage Load Balancer 60

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? Yes, please! (I

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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 along the way. Michael Kashin shares the journey of containerizing NVIDIA Cumulus Linux.

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Linux Load Balancer Malware Virtualization 60

Scott Lowe

NOVEMBER 25, 2020

Uh oh… more hardware exploits. Operating Systems/Applications. 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. Good stuff!

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Linux Vmware Open Source Examples 60

Galido

OCTOBER 6, 2016

Automakers want to standardize on a Linux-based OS that would make vehicle infotainment systems act more like smartphones. Automakers are working to standardize on a Linux-based operating system for in-vehicle infotainment (IVI) systems that would make it easier for cars to act more like smartphones.

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Open Source Linux Automotive Operating Systems 60

Scott Lowe

NOVEMBER 30, 2012

Both the hardware as well as the software have served me well. Both the hardware as well as the software have served me well. I adopted OS X as my operating system of choice in 2003 because I wanted a stable, powerful, UNIX-based operating system. Apple on Intel. Macintosh iPhone Linux'

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Operating Systems Apple Applications Linux 131

Scott Lowe

JUNE 2, 2016

Servers/Hardware. Drew Conry-Murray shines a light on Intel’s network ambitions. This is something I’ve been watching for a couple of years, since attending my first Intel Developer Forum (IDF). Intel clearly has its sights set on expanding beyond just “servers” into many more platforms, including network hardware platforms.

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Vmware Virtualization Linux Windows 60

Scott Lowe

MAY 29, 2020

Servers/Hardware. Operating Systems/Applications. Nicola Apicella has a nice, in-depth write-up discussing Docker images, overlay file systems, and the OCI specification. This recent post by Eric Sloof shows how to do BGP neighbor adjacency between GNS3 and NSX-T 3.0. Read his write-up here. Ubuntu 20.04 Virtualization.

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Linux Virtualization Security Network 60

Scott Lowe

JULY 17, 2020

This is a great read overall, but one sentence in particular really caught my eye: “30 years ago I was able to write a complete multitasking operating system in Z80 assembly code. Jon Langemak is blogging again, and he jumps back into the “blogging saddle” with a post on working with tc on Linux systems.

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Linux Apple Operating Systems Policies 60

The Verge

JUNE 25, 2021

POSIX, which is a set of operating system standards. WSL, which is the part of Windows that lets you run Linux. Pat, who is Pat Gelsinger, CEO of Intel. In 2019, I think you had said to Wired , “The operating system is no longer the most important layer for us. ” PWAs, which are progressive web apps.

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Windows Microsoft Operating Systems System 80

Scott Lowe

MARCH 8, 2016

Cue the round of folks claiming that this is why proprietary network operating systems [NOSes] are the route the networking industry should be taking.). The article specifically calls out SR-IOV as well as Intel Data Plane Development Kit (DPDK) support within Open vSwitch (OVS). Servers/Hardware. Seen this ?

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Vmware Linux Intel Network 60

Scott Lowe

MARCH 7, 2014

Jointly authored by VMware, Microsoft, Red Hat, and Intel, this new protocol proposal attempts to bring together the strengths of the various network virtualization encapsulation protocols out there today (VXLAN, STT, NVGRE). Servers/Hardware. Operating Systems/Applications. x86 marches on!

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Virtualization Hardware Intel Vmware 60

Scott Lowe

SEPTEMBER 3, 2014

As described in this Metacloud blog post , vxfld is designed to “handle VXLAN traffic from any operationg system or hardware platform that adheres to the IETF Internet-Draft for VXLAN” Nir Yechiel recently posted part 1 of a discussion on the need for network overlays. Servers/Hardware. Virtualization. LTS server.

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Linux Network Vmware Disaster Recovery 60

Scott Lowe

DECEMBER 8, 2016

Servers/Hardware. 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). Intel has a tutorial series on Intel Software Guard Extensions (SGX). Operating Systems/Applications.

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Vmware Storage Intel Virtualization 60

Scott Lowe

DECEMBER 8, 2017

The first was on RESTful control of Cumulus Linux ACLs (this one isn’t actually sFlow-related); the second was on combining sFlow telemetry and RESTful APIs for visibility and control in campus networks. Servers/Hardware. Both articles are worth reviewing if hardware selection is an important aspect of your role.

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Vmware Linux Network Cloud 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. Servers/Hardware. Operating Systems/Applications. Welcome to Technology Short Take #85!

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Vmware Storage Network Windows 60

Scott Lowe

MAY 4, 2017

Servers/Hardware. News in the OpenStack space hasn’t been so good recently (Intel pulling out of OSIC, various companies laying off folks, other “pure play” companies shifting focus away from OpenStack), but here’s one architect’s perspective on what you may still want to attend the OpenStack Summit. Operating Systems/Applications.

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Vmware Storage Network Examples 60

Scott Lowe

JULY 22, 2013

Servers/Hardware. In this post, William Lam explores the potential benefits of Intel’s VMCS Shadowing functionality on nested virtualization. (I Operating Systems/Applications. Need to do some port forwarding on a Linux box and want to automate the configuration with Puppet? Here’s one idea.

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Vmware Virtualization Network Linux 106

Scott Lowe

OCTOBER 23, 2013

Servers/Hardware. Intel announced the E5 2600 v2 series of CPUs back at Intel Developer Forum (IDF) 2013 (you can follow my IDF 2013 coverage by looking at posts with the IDF2013 tag ). Operating Systems/Applications. on flow table explosion with OpenFlow. is needed in order to see broader adoption of OpenFlow.

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Vmware Network Virtualization Storage 60

Scott Lowe

JULY 22, 2013

Servers/Hardware. In this post, William Lam explores the potential benefits of Intel’s VMCS Shadowing functionality on nested virtualization. (I Operating Systems/Applications. Need to do some port forwarding on a Linux box and want to automate the configuration with Puppet? Here’s one idea.

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Vmware Virtualization Network Linux 60

Scott Lowe

SEPTEMBER 5, 2013

To take advantage of high-capacity flash in the memory bus, Diablo supplies drivers for all the major operating systems (OSes), including ESXi, and what this driver does is modify the way that page swaps are handled. At that point, the system DRAM almost looks like another level of cache. Congrats to HyTrust.

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Meeting Storage Hardware Network 63

ForAllSecure

APRIL 22, 2021

When I started writing my first book when gadgets betray us, IoT was still known as hardware hacking, or embedded security. That's because early IoT systems consisted mostly of dumb sensors on embedded systems out in the field. We have some friends in Mexico, who are developing new hardware to interact with this.

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Internet Research Security Tools 52

ForAllSecure

APRIL 22, 2021

When I started writing my first book when gadgets betray us, IoT was still known as hardware hacking, or embedded security. That's because early IoT systems consisted mostly of dumb sensors on embedded systems out in the field. We have some friends in Mexico, who are developing new hardware to interact with this.

Internet 52

Internet Research Security Tools 52

Scott Lowe

MARCH 23, 2017

Servers/Hardware. Operating Systems/Applications. In this article , a presentation given by Graham Whaley of Intel discusses the “continuum” that exists between containers and VMs, and how in the future we’ll pick and choose the best attributes of both approaches. Sorry, I don’t have anything this time around.

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Open Source Storage Vmware Network 60

Scott Lowe

SEPTEMBER 12, 2013

This is session COMS002, titled “The Future of Software-Defined Networking with the Intel Open Network Platform Switch Reference Design.” ” The speakers are Recep Ozdag, a PME with Intel, and Gershon Schatzberg, a PLM with Wind River Systems. First, though, Recep takes a few minutes to review some SDN concepts.

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Intel Load Balancer Architecture Virtualization 61

Scott Lowe

JUNE 19, 2020

The collection seems a tad heavier than normal in the hardware and security sections, probably due to new exploits discovered in Intel’s speculative execution functionality. Servers/Hardware. This is one of those times when an article belongs in multiple categories—in this case, hardware and security.

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Linux Intel Hardware Storage 60

SPF13

MARCH 20, 2015

60s & 70s • Computer companies sold hardware • Software was free • Software was colloborative • IBM dominates. The Internet Era: 00s • Internet changes everything • Open source movement gains traction (Linux, Apache, MySQL, PHP) • Tech selling ads, bits, hardware & services • Google Dominates. The Software Era: ?

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Open Source Linux Software Software 100

Scott Lowe

MARCH 10, 2023

Servers/Hardware Kevin Houston provides some instructions on backing up the Dell PowerEdge MX7000 settings and configurations. Frank Denneman digs into Sapphire Rapids memory configurations (Sapphire Rapids is Intel’s 4th generation Scalable Processor Architecture). Both are great reads.

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IPv6 Linux Tools Network 74

Scott Lowe

OCTOBER 23, 2020

” Ivan Pepelnjak attempts to answer the question, “How much do I need to know about Linux networking?” ” Speaking of Linux networking…Marek Majkowski of Cloudflare digs deep into conntrack , used for stateful firewalling functionality. Servers/Hardware. Operating Systems/Applications.

Open Source 60

Open Source Vmware Disaster Recovery Linux 60

Scott Lowe

SEPTEMBER 8, 2016

Dmitri Kalintsev is back with another article in a series of articles on using hardware VXLAN tunnel endpoints (VTEPs) with VMware NSX. Servers/Hardware. Intel has finally started shipping silicon photonics gear, according to this report from El Reg (news coming out of IDF16). Operating Systems/Applications.

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Vmware Linux Intel Storage 60

Scott Lowe

NOVEMBER 19, 2021

I’ve been scouring RSS feeds and various social media sites, collecting as many useful links and articles as I can find: from networking hardware and networking CI/CD pipelines to Kernel TLS and tricks for improving your working memory. Servers/Hardware. Ars Technica takes a look at the new Intel “Alder Lake” CPUs.

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Network Hardware Vmware Tools 79

Scott Lowe

JUNE 4, 2013

First up, Jason goes off on a rant about network virtualization , briefly hitting topics like the relationship between overlays and hardware, the role of hardware in network virtualization, the changing roles of data center professionals, and whether overlays are the next logical step in the evolution of the network. Servers/Hardware.

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HP Virtualization Hardware Network 106

Scott Lowe

MARCH 20, 2020

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. Servers/Hardware. Mark Ermolov discusses a vulnerability in the ROM (read-only memory) of the Intel Converged Security and Management Engine (CSME).

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Linux Vmware Authentication Storage 60

Scott Lowe

APRIL 3, 2016

Alban Crequy has a post on using Linux queueing disciplines (qdiscs, for short) to help with testing application behavior under degraded network conditions. Cumulus Networks has added another hardware partner to its list of supported hardware partners; this time it’s Mellanox, as outlined in this SDx Central article.

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Vmware Network Linux Hardware 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].

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Intel Network Architecture Virtualization 60

Scott Lowe

OCTOBER 8, 2014

Servers/Hardware. I’m going to go out on a limb and make a prediction: In a few years time (let’s say 3–5 years), Intel SGX (Software Guard Extensions) will be regarded as important if not more important than the virtualization extensions. What is Intel SGX, you ask? Operating Systems/Applications.

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