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

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.). Networking.

Vmware 60

Vmware Linux Storage Load Balancer 60

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.

Intel 60

Intel Hardware Linux Virtualization 60

Scott Lowe

APRIL 6, 2017

Here’s a handy list of deprecated Linux network commands and their replacements. Servers/Hardware. Intel NUC or SuperMicro E200-8D? Konstantin Ryabitsev has a series going on securing a SysAdmin Linux workstation. Normally you’d see this sort of thing talking about Linux, but this one uses Windows throughout.).

Vmware 60

Vmware Linux Storage Network 60

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

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

Galido

SEPTEMBER 8, 2016

Today you can get a $200 laptop and get useful functions and hardware like an HD display, Windows 10, HDMI port, a decent hard drive, and sometimes even touch screen. Here are some of our favorite full Windows 10 machines (compatible with Linux) for 2016-2017. This laptop has a Intel® Dual-Core N2840 Processor. Asus E402SA.

Dell 60

Dell Intel HP Internet 60

Scott Lowe

JUNE 2, 2016

Dmitri Kalintsev examines some options for addressing storage-related connectivity in NSX environments. 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). Virtualization.

Vmware 60

Vmware Virtualization Linux Windows 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. If you’re looking to get some storage geek on, this is worth a read.

Virtualization 60

Virtualization Hardware Intel Vmware 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). on Ubuntu 16.04. Have a look here.

Vmware 60

Vmware Storage Intel Virtualization 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. Running Hyper-V with Linux VMs?

Linux 60

Linux Network Vmware Disaster Recovery 60

Scott Lowe

SEPTEMBER 11, 2013

This is a liveblog of the day 2 keynote at Intel Developer Forum (IDF) 2013 in San Francisco. Eul takes the stage; he’s the VP and General Manager of the Mobile and Communications Group at Intel. ” Eul walks through the basic components of the mobile platform, which includes not only hardware but also mobile software.

Intel 60

Intel Hardware Mobile Dell 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. Networking. First up we have the announcement of the release of the NVMe 1.3

Vmware 60

Vmware Storage Network Windows 60

Scott Lowe

MAY 29, 2020

Servers/Hardware. For those new to Linux virtualization—or even if you’ve been around Linux virtualization for a while—this article explaining how Intel VT-x, QEMU, and KVM work together is full of good information. Read his write-up here. Ubuntu 20.04 has backported support for WireGuard in its 5.4-based

Linux 60

Linux Virtualization Security Network 60

Scott Lowe

NOVEMBER 30, 2012

Both the hardware as well as the software have served me well. Visit the site for more information on virtualization, servers, storage, and other enterprise technologies. Apple on Intel. Macintosh iPhone Linux' It’s a shame…but such is life. The only constant is change. Why I Might Leave OS X.

Operating Systems 131

Operating Systems Apple Applications Linux 131

Scott Lowe

MARCH 8, 2016

The article specifically calls out SR-IOV as well as Intel Data Plane Development Kit (DPDK) support within Open vSwitch (OVS). Servers/Hardware. This article is an interesting read on some work being done by Microsoft Research to leverage Intel SGX to address some security concerns with today’s cloud-heavy architectures/usage models.

Vmware 60

Vmware Linux Intel Network 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 Need to do some port forwarding on a Linux box and want to automate the configuration with Puppet? Here’s one idea. The Dell VRTX made its debut recently.

Vmware 106

Vmware Virtualization Network Linux 106

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.

Vmware 60

Vmware Linux Network Cloud 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. Nothing this time around.

Vmware 60

Vmware Storage Network Examples 60

Scott Lowe

SEPTEMBER 5, 2013

Jeda Networks describes themselves as a “software-defined storage networking” company. Given my previous role at EMC (involved in storage) and my current role at VMware focused on network virtualization (which encompasses SDN), I was quite curious. At that point, the system DRAM almost looks like another level of cache.

Meeting 63

Meeting Storage Hardware Network 63

Scott Lowe

MARCH 23, 2017

Servers/Hardware. As opposed to just encrypting data at the transport level (although Acra does that between components of its architecture) or just encrypting data at the storage level (using an encrypted file system or similar), Acra targets encrypting data at the table/row/column level within a database. Check back next time!

Open Source 60

Open Source Storage Vmware Network 60

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 ). Visit the site for more information on virtualization, servers, storage, and other enterprise technologies. Technology Short Take #36.

Vmware 60

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 Need to do some port forwarding on a Linux box and want to automate the configuration with Puppet? Here’s one idea. The Dell VRTX made its debut recently.

Vmware 60

Vmware Virtualization Network Linux 60

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.

Linux 60

Linux Intel Hardware Storage 60

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. There has to be storage somewhere so even sensors, end up sending their data someplace that has to be stored, and that might be in the cloud, for instance, which is increasingly a part of the Internet of Things.

Internet 52

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. There has to be storage somewhere so even sensors, end up sending their data someplace that has to be stored, and that might be in the cloud, for instance, which is increasingly a part of the Internet of Things.

Internet 52

Internet Research Security Tools 52

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.

Intel 61

Intel Load Balancer Architecture Virtualization 61

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). Networking. Then again, what do I know?

Vmware 60

Vmware Linux Intel Storage 60

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).

Linux 60

Linux Vmware Authentication Storage 60

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.

HP 106

HP Virtualization Hardware Network 106

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.

IPv6 74

IPv6 Linux Tools Network 74

Scott Lowe

APRIL 2, 2021

In this post , Jakub Sitnicki digs way deep into the Linux kernel to uncover the answer to the question, “Why are there no entries in the conntrack table for SYN packets dropped by the firewall?” Servers/Hardware. Linux malware is getting more sophisticated. ” Get ready to get nerdy!

Vmware 60

Vmware Firewall Storage Comparison 60

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. Programming.

Open Source 60

Open Source Vmware Disaster Recovery Linux 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? Technology Short Take #45.

Storage 60

Storage Intel Disaster Recovery Virtualization 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.

Vmware 60

Vmware Network Linux Hardware 60

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.

HP 61

HP Virtualization Hardware Network 61

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