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. VMware recently released version 0.8 The latest buzzword to hit the industry is “serverless architecture.” Good stuff. Project Platypus looks interesting. What is Platypus?

Vmware 60

Vmware Network Linux Hardware 60

Scott Lowe

AUGUST 11, 2016

Thinking of using a hardware VTEP (VXLAN Tunnel Endpoint) with VMware NSX? VMware recently announced Open Hardware Management Services (OHMS) , a project intended to help manage servers and switches in a software-defined data center (SDDC) context. Rajdeep Dua has written an overview of the architecture of SwarmKit. Version 2.0

Vmware 60

Vmware Hardware Storage Linux 60

Scott Lowe

JANUARY 28, 2016

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. As a partial counterpoint to the increased use/visibility of Linux in the networking industry, check out Ivan’s take on Dell’s OS10 announcement. Networking.

Vmware 60

Vmware Linux Open Source Devops 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

Scott Lowe

MARCH 10, 2023

Frank Denneman digs into Sapphire Rapids memory configurations (Sapphire Rapids is Intel’s 4th generation Scalable Processor Architecture). Diego Crespo talks about PowerShell on Linux and his experience with it. William Lam shares news about higher-capacity SODIMMs available for small or ultra small form factor systems.

IPv6 74

IPv6 Linux Tools Network 74

Scott Lowe

DECEMBER 6, 2013

A fan of network virtualization might also say that decomposing today’s complex physical networks into multiple simple logical networks on top of a simpler physical transport network—similar to Mike’s suggestion of converging on a smaller set of reference architectures—might also help. (Of Here’s a good source.

Vmware 60

Vmware Storage Linux Network 60

Scott Lowe

FEBRUARY 9, 2018

Amit Aneja has a two-part series (so far) explaining the routing architecture in NSX-T (which brings multi-hypervisor and multi-cloud support to the NSX platform). Sam McGeown has a nice diagram of the communications channels between the various VMware NSX components. Michael Wittig shares some details on migrating to Amazon Linux 2.

Vmware 60

Vmware Linux Network Storage 60

Scott Lowe

JUNE 2, 2016

Anthony Burke has written a script that uses VMware NSX to protect VMware Log Insight instances. The first article provides a blueprint for migrating applications to VMware NSX ; the second article supplies some tips for creating filtering policies in VMware NSX. Welcome to Technology Short Take #67. Networking.

Vmware 60

Vmware Virtualization Linux Windows 60

Storage IO Blog

FEBRUARY 1, 2015

backup BC and DR big data Cloud converged convergence Data and Information Management database DCIM Education I/O Networking Infrastructure Resource Management IT Industry Activity IT Infrastructure Topics Lab report little data metrics object storage Performance and Capacity perspective post Power and Cooling server Site related ssd Storage and Storage (..)

Storage 40

Storage Vmware Devops Backup 40

Scott Lowe

MARCH 12, 2014

Welcome to part 11 of the Learning NSX blog series, in which I provide a high-level overview of the basics on integrating VMware NSX into an OpenStack deployment using OpenStack Neutron. VMware NSX was designed to be integrated into a cloud management platform. Reviewing OpenStack Neutron With NSX.

Vmware 69

Vmware Network Linux Virtualization 69

Scott Lowe

NOVEMBER 10, 2017

VMware recently released an updated to PowerCLI (version 6.5.3), and with it comes a set of cmdlets that provide low-level access to the NSX-T REST API. Lior Kamrat has a multi-part series on an architecture that blends Mesosphere DC/OS, Azure, Docker, and VMware vSphere. VMware recently released version 2.0 Networking.

Vmware 60

Vmware Storage Engineering Network 60

Scott Lowe

DECEMBER 22, 2018

Kyle Ruddy helps folks get started with the Desired State Configuration Resources (DSCR) for VMware , a new way of using PowerShell DSC with VMware vSphere environments. Dave Taylor provides s ome tips for configuring VMware Fusion for Linux usage. Stephen Foskett explains how to add a mirror to an existing ZFS drive.

Vmware 60

Vmware Linux Hardware Case Study 60

Scott Lowe

DECEMBER 17, 2015

Looking for a step-by-step install guide for VMware NSX? Ray Budavari—who is an absolutely fantastic NSX resource—has a blog post up on the integration between VMware NSX and vRealize Automation. If you’d like to play around with Cumulus Linux but don’t have a compatible hardware switch, Cumulus VX is the answer. Networking.

Vmware 60

Vmware Linux Architecture Hardware 60

Storage IO Blog

OCTOBER 13, 2016

lightweight Nano, full data center with desktop interface, on-premise, bare metal, virtualized (Hyper-V, VMware, etc) as well as cloud). Not only are the support for those environments and platforms enhanced, so to are the management capabilities and interfaces from Powershell to Bash linux shell being part of WIndows 10 and Server 2016.

Storage 40

Storage Windows Microsoft Linux 40

Storage IO Blog

AUGUST 20, 2013

Some FCSA ssd cache questions and perspectives What […].

IBM 60

IBM Storage Vmware Linux 60

Scott Lowe

JANUARY 28, 2016

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. As a partial counterpoint to the increased use/visibility of Linux in the networking industry, check out Ivan’s take on Dell’s OS10 announcement. Networking.

Vmware 60

Vmware Open Source Linux Devops 60

Scott Lowe

MARCH 10, 2015

I highly recommend you read the entire post, but in short the five skills Matt recommends are software skills (which includes configuration management and software development tools like Git ), Linux, deep protocol knowledge, hypervisor and container networking, and IPv6. What does this mean? Servers/Hardware.

Vmware 60

Vmware Linux Hardware Software Development 60

Scott Lowe

MARCH 16, 2016

For example, you might feel “locked in” to Microsoft (via Office or Windows) or “locked in” to Oracle (via their database platform or applications), or even “locked in” to VMware through vCenter and vSphere. They might have various levels of lock-in, but lock-in exists everywhere: Linux has lock-in. Don’t believe me?

Vmware 60

Vmware Linux Oracle Backup 60

Scott Lowe

AUGUST 16, 2017

Want to install VMware NSX in your home lab, but concerned about resource utilization? Although it’s not called out in the article, it’s important to note that this is not supported by VMware.). to VMware NSX 6.2.5 Plus, just for fun, I usually try to include a couple career-related links as well. Networking.

Vmware 60

Vmware Storage Network Windows 60

Scott Lowe

SEPTEMBER 11, 2012

In recent years, we’ve seen more devices running off-the-shelf software (like Linux). Is the Linux bridge efficient enough? Verplanke next reviews some of the I/O optimizations and architecture of the Xeon E5 2600 series platform. Third, DPDK provides optimized vNIC drivers for Xen, KVM, and VMware.

Virtualization 113

Virtualization Intel Cloud Data 113

Cloud Musings

OCTOBER 16, 2016

You will learn how to painlessly deploy fairly complex applications that scale across multiple instances in cloud technologies including Windows Azure Chef, Chef Solo, Linux and Windows Tools.

Vmware 70

Vmware Training Web Services Cloud 70

Cloud Musings

JANUARY 30, 2017

This NCTA program was designed to provide IT professionals with a strong foundation in cloud technologies, and overall cloud architecture and management of cloud infrastructure, as well as a solid technical background in modern web services deployment and administration.

Web Services 70

Web Services Architecture Cloud Programming 70

Scott Lowe

SEPTEMBER 3, 2013

VMware introduced VMware NSX recently at VMworld 2013. Prasenjit Sarkar, who works in VMware R&D, and runs the Stretch Cloud site , has a write-up on using Data Center Extension (DCE) to VMware vCloud Hybrid Service (vCHS). x that involves booting on a Linux CD. This looks interesting.

Vmware 60

Vmware Data Center Storage Disaster Recovery 60

Scott Lowe

JUNE 11, 2014

Anthony Burke’s series on VMware NSX continues with part 5. Tom has since moved on to CSC (via the vCHS team at VMware) and has launched a “next-generation” version of Razor called Hanlon. Open vStorage compares itself to VMware VSAN, but supporting multiple storage backends and supporting multiple hypervisors.

Vmware 60

Vmware Storage Network Virtualization 60

Data Center Knowledge

JULY 24, 2013

IBM said today that it will make CloudFoundry a component of its open cloud architecture and work with Pivotal on further development of the CloudFoundry open source project and establishing an open governance model for the community.

Data Center 197

Data Center IBM Data Cloud 197

Scott Lowe

OCTOBER 5, 2012

Some folks from Nicira (now part of VMware) recently published a blog post discussing the OVSDB IETF draft (see here ). This is an awesome overview of the OpenStack Folsom architecture , courtesy of Ken Pepple. Only a true geek would be interested in this, but here’s some information on running OpenBSD in KVM on Linux.

Storage 92

Storage Vmware Linux Virtualization 92

Scott Lowe

APRIL 21, 2016

Although it’s not feature-complete (by a long shot), VMware recently open-sourced version 0.1 via VMware Photon OS TP2. This Yelp Engineering blog post talks about one of these unintended side effects (processes running as PID 1 are treated differently by the Linux kernel). Operating Systems/Applications. Ubuntu 16.04

Vmware 60

Vmware Linux Hardware Network 60

Scott Lowe

OCTOBER 14, 2017

Romain Decker has an “under the hood” look at the VMware NSX load balancer. Brendan Gregg has a pretty detailed write-up on migrating from Solaris to Linux (pertinent given the recent layoff of the majority of the Solaris developers). Vladan Seget shares how to create a VMware ESXi ISO image with the latest patches.

Load Balancer 60

Load Balancer Vmware Hardware Open Source 60

Cloud Musings

DECEMBER 28, 2016

TBD 2017 - Cloud Architecture : Manage the design and plan the implementation of cloud architectures. Technologies covered include Microsoft Windows and Azure, Amazon Web Services, VMware, Linux, Google Docs, Drupal, WordPress, OpenStack, Rackspace, Digital Ocean, Chef, and Chef Solo.

Systems Administration 84

Systems Administration Cloud Course Training 84

Scott Lowe

DECEMBER 11, 2018

Noorali starts out with a quick introduction/overview of Helm, likening it to yum or apt for Linux packages. This leads Noorali into a high-level description of some of the features planned for Helm v3, which will move to an entirely client-side architecture (no more Tiller, yay!). Helm v2.12.0 (the

Open Source 60

Open Source Vmware Architecture Cloud 60

Scott Lowe

JANUARY 6, 2015

Michael Webster isn’t a name that normally pops up here in the Networking section of my Technology Short Takes, but he recently wrote an article on installing Cumulus Linux from a MacBook Pro that I thought might be handy. It would be cool if VMware would/could do the same with VMware NSX. Sure would be nice…(hint, hint).

Linux 60

Linux Dell Vmware Network 60

Scott Lowe

DECEMBER 6, 2012

Bruce Davie and Martin Casado (with Nicira, now part of VMware) have written a post comparing the VXLAN and STT tunneling protocols. I might have mentioned this before, but Ken Pepple’s OpenStack Folsom architecture post is just awesome. Feel free to share something in the comments! Cloud Computing/Cloud Management.

Vmware 109

Vmware Virtualization Storage Hardware 109

Scott Lowe

MARCH 8, 2016

PowerNSX is pretty cool—it’s a set of PowerShell cmdlets for administrators of VMware NSX running in vSphere environments. Tony Sangha has a nice article providing step-by-step instructions on setting up a site-to-site IPSec VPN between VMware NSX and a Cisco CSR 1000v. ZFS will be in the next Ubuntu Linux LTS release.

Vmware 60

Vmware Linux Intel Network 60

Scott Lowe

JANUARY 6, 2018

Erik Hinderer takes a stab (based on his field experience) at estimating how long it takes to upgrade VMware NSX. Christian Kellner talks about work done on Thunderbolt 3 security levels for GNU/Linux. I thought I also saw a VMware blog post on the provider as well, but couldn’t find any link (guess I was mistaken).

Linux 60

Linux Vmware Comparison Network 60

Scott Lowe

MAY 27, 2022

Isovalent—the company behind the Cilium project—has been talking a lot about how the use of eBPF will transform things, including the architecture of a service mesh. This will become even more useful, in my opinion, when Linux support is added. Networking. Career/Soft Skills.

Virtualization 79

Virtualization Storage Programming Network 79

Scott Lowe

MARCH 11, 2014

Docker leverages LXC (Linux Containers), which encompasses Linux features like cgroups and namespaces for strong process isolation and resource control. While Docker currently leverages LXC, the Docker architecture isn’t necessarily limited to LXC. LTS as the Linux platform. linux-headers-generic-lts-raring.

Linux 88

Linux Construction Applications Virtualization 88

Scott Lowe

DECEMBER 10, 2015

This article provides a good introductory overview of Linux iptables commands for configuring host-based firewall rules on your Linux systems. The Windows architecture is so dramatically different from UNIX/Linux that trying to adapt per-process containers is quite naturally going to be more than a little bit challenging.

Windows 60

Windows Firewall Linux Architecture 60