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. Operating Systems/Applications. Cormac Hogan has a brief update on storage options for containers on VMware.

Vmware 60

Vmware Linux Storage Load Balancer 60

Scott Lowe

NOVEMBER 10, 2017

I really enjoyed David Gee’s series on the network automation engineer persona ( part 1 , part 2 , part 3 , and part 4 ). David really unpacks the changes that are happening in the networking space and describes the key skills the “next-generation network engineer” will have. Operating Systems/Applications.

Vmware 60

Vmware Storage Engineering Network 60

Scott Lowe

JUNE 2, 2016

Russ White tackles the issue of networking engineers needing to learn to code. Dmitri Kalintsev examines some options for addressing storage-related connectivity in NSX environments. Operating Systems/Applications. John Nicholson talks about the Virtual SAN (VSAN) performance service , available in VSAN 6.2.

Vmware 60

Vmware Virtualization Linux Windows 60

All Things Distributed

DECEMBER 18, 2012

Bar-Yam, Journal of Systems Science and Complexity. May 28 - Virtual Time and Global States of Distributed Systems , Friedemann Mattern, Parallel and Distributed Algorithms, North-Holland (1989) , p. Jul - 13 Hints for Computer Systems Design Proceedings of the Ninth ACM Symposium on Operating Systems Principles, pp.

Operating Systems 144

Operating Systems Conference Survey System 144

Scott Lowe

NOVEMBER 30, 2012

I adopted OS X as my operating system of choice in 2003 because I wanted a stable, powerful, UNIX-based operating system. Instead, Apple’s engineers set out to design an operating environment that was tailored to the form factor. Apple and Virtualization. The only constant is change.

Operating Systems 131

Operating Systems Apple Applications Linux 131

Scott Lowe

AUGUST 6, 2021

If I had one criticism, it would be Chip’s use of “programming language” instead of DSL for Rego—but that’s truly nitpicking what otherwise is a very useful article for folks trying to determine which policy engine they should consider and evaluate. Operating Systems/Applications. Virtualization.

Open Source 60

Open Source Load Balancer WAN Architecture 60

Scott Lowe

MARCH 2, 2020

Said van de Klundert has a post on screen scraping basics for network engineers. For network engineers just getting started with network automation, I suspect that the information shared here may prove quite useful. Chip Zoller makes the argument in favor of running Kubernetes in/on virtual machines. Virtualization.

Linux 60

Linux Windows Hardware Network 60

Scott Lowe

MARCH 1, 2019

Daniel Dib has a great article on how network engineers need to evolve. I referenced part 1 of Ajay Chenampara’s series on the Ansible network-engine command parser back in Technology Short Take 102 (July of last year). VyOS is an open source Linux-based network operating system.). Operating Systems/Applications.

Operating Systems 60

Operating Systems Authentication Network Open Source 60

Scott Lowe

FEBRUARY 17, 2023

Over the last few weeks, I’ve been collecting articles I wanted to share with readers on major areas in technology: networking, security, storage, virtualization, cloud computing, and OSes/applications. This post outlines some recent gVisor improvements in file system performance. Welcome to Technology Short Take #165!

Programming 96

Programming Policies Network Cloud 96

Scott Lowe

NOVEMBER 7, 2014

This post by Matt Oswalt—the first in a series, apparently—provides a great introduction to 5 development tools for network engineers. Operating Systems/Applications. I’m not sure if this falls into storage or virtualization, but we’ll place it here in the Storage section. Networking.

Vmware 69

Vmware Linux Storage Virtualization 69

Scott Lowe

APRIL 15, 2022

If you’re unfamiliar with SSH SOCKS proxying, read this to get up to speed (or use your favorite web search engine, there are many articles out there on this topic). Ajeet Singh Raina shares a list of the top 200 Kubernetes tools for DevOps engineers. Operating Systems/Applications. Virtualization.

Linux 74

Linux Load Balancer IPv6 Licensing 74

Scott Lowe

APRIL 8, 2013

As the website describes it, it’s designed to “reverse engineer” servers so that you can migrate them into a configuration management system like Chef or Puppet. Operating Systems/Applications. Dmitry Ukov of Mirantis has a write-up on Swift and Ceph as object storage in OpenStack environments.

Storage 111

Storage Vmware WAN Virtualization 111

Scott Lowe

FEBRUARY 11, 2021

Justin Pietsch Has a lengthy article on why network engineers need to focus on getting the network out of the way. Kaizhe Huang examines Falco versus AuditD from a host intrusion detection system (HIDS) perspective. Eclypsium discusses ways of protecting system firmware storage. Operating Systems/Applications.

Vmware 60

Vmware Storage Study Network 60

Scott Lowe

JANUARY 7, 2016

Bart shares some details about his journey from being a Microsoft-centric infrastructure engineer to what he calls a cloud-native full-stack engineer. IT folks don’t need to be strictly involved in software engineering to benefit from a journey toward a more full-stack role. Safari Books Online. blog/videos-around-world-2015.

Devops 60

Devops Engineering Conference Operating Systems 60

Scott Lowe

MARCH 7, 2014

Craig Matsumoto of SDN Central helps highlight a recent (and fairly significant) development in networking protocols—the submission of the Generic Network Virtualization Encapsulation (Geneve) proposal to the IETF. This next round of hardware offloads seems targeted at network virtualization and related technologies.

Virtualization 60

Virtualization Hardware Intel Vmware 60

Scott Lowe

FEBRUARY 11, 2016

see below in the “Operating Systems/Applications” section), Metaswitch has announced a Container Networking Interface (CNI) plugin for Project Calico. Only a year late, I found this article about Cisco IOS XRv (as in “virtual”). Operating Systems/Applications. Virtualization. Networking. Servers/Hardware.

Vmware 60

Vmware Network Operating Systems Virtualization 60

Linux Academy

APRIL 30, 2019

LPI Linux Essentials — This course teaches the basic concepts of processes, programs, and the components of the Linux operating system. Introduction to Migrating Databases and Virtual Machines to Google Cloud Platform — This course covers the various issues of migrating databases and virtual machines to Google Cloud Platform.

Linux 113

Linux Course Big Data Devops 113

Scott Lowe

MAY 25, 2017

Miguel Gómez of Telefónica Engineering discusses maximizing performance in VXLAN overlay networks. Nicolas Michel has a good post on the transition from network engineer v1.0 to v2.0 , and some of the skillsets he believes network engineers must embrace moving forward. Operating Systems/Applications.

Linux 60

Linux Open Source Network Vmware 60

Scott Lowe

MAY 25, 2017

Miguel Gómez of Telefónica Engineering discusses maximizing performance in VXLAN overlay networks. Nicolas Michel has a good post on the transition from network engineer v1.0 to v2.0 , and some of the skillsets he believes network engineers must embrace moving forward. Operating Systems/Applications.

Linux 60

Linux Open Source Network Vmware 60

The Verge

AUGUST 20, 2020

Kristin Wallace purchased a budget HP laptop for her daughter, Bella, but didn’t realize how quickly the nine-year-old would fill up 32GB of storage. “It I need a computer with more storage space,” said Bella, who uses the laptop to Zoom with friends and take virtual guitar lessons and math enrichment classes.

Dell 107

Dell HP Google Meeting 107

Virtualized Greek

FEBRUARY 18, 2013

VMware has long been the thought leader in x86 virtualization products both on the desktop and in the data center. Add to it the vSphere suite and it’s pretty difficult to find a better virtualization solution. I was already a fan of virtualization and understood the virtualization parts of AWS but I didn’t get the need for an API.

Vmware 65

Vmware Development Cloud Data Center 65

Scott Lowe

DECEMBER 8, 2017

Jon Benedict has a brief article on OVN and its integration into Red Hat Virtualization; if you’re unfamiliar with OVN, it might be worth having a look. David Gee’s “network automation engineer persona” content continues; this time he tackles some thoughts around proof-of-concepts (PoCs). Virtualization.

Vmware 60

Vmware Linux Network Cloud 60

Linux Academy

NOVEMBER 1, 2019

Students will explore how containers work, how they compare with virtual machines and Docker containers, and how they handle application isolation. Students will learn by doing through installing and configuring containers and thoughtfully selecting a persistent storage strategy. Linux Operating System Fundamentals.

Course 104

Course Linux Devops Big Data 104

Scott Lowe

MAY 17, 2019

The CNCF blog has a great article written by an Alibaba software engineer (Xingyu Chen) on some performance optimizations for etcd that have been contributed back to the open source community. Operating Systems/Applications. Virtualization. Richard Bejarano rants a bit about container misconceptions. Career/Soft Skills.

Linux 60

Linux Dell Open Source Licensing 60

Scott Lowe

DECEMBER 6, 2019

In perusing some of Brian’s content, I see lots of stuff at the intersection of networking and virtualization. A new VPN security flaw has been uncovered that affects a wide range of UNIX- and Linux-based systems. I found this article on chaos engineering to be helpful in understanding the principles and concepts.

Vmware 60

Vmware Network Linux Hardware 60

Scott Lowe

JUNE 8, 2018

AWS adds local NVMe storage to the M5 instance family; more details here. What I found interesting is that the local NVMe storage is also hardware encrypted. Daniel Steinberg takes a look inside Firefox’s DOH (DNS over HTTPS) engine , slated to be included in the Firefox 62 release. Operating Systems/Applications.

Load Balancer 60

Load Balancer Vmware Storage Intel 60

Scott Lowe

FEBRUARY 1, 2019

The recent announcement of their GraphQL-based Network Query Engine (NQE)—more information is available in this blog post —is also pretty interesting to me. Operating Systems/Applications. Virtualization. Servers/Hardware. Panagiotis Georgiadis explains how to enable PSP (Pod Security Policies) with Traefik.

Network 60

Network Resources Devops Vmware 60

Scott Lowe

FEBRUARY 24, 2018

The engineering team at Lyft recently discussed a new overlay-free networking approach they’ve been working on for Kubernetes: IPVLAN-based CNI stack for running within VPCs on AWS. (For VPCs, or Virtual Private Clouds, are Amazon’s software-defined networking mechanism for workloads running on AWS.). Virtualization.

Vmware 60

Vmware Load Balancer Network Open Source 60

Scott Lowe

JULY 13, 2018

Ajay Chenampara has a post on using the Ansible network-engine command parser to parse the output of commands on network devices. Operating Systems/Applications. Virtualization. Here’s his latest piece. For the record, I don’t disagree with much of what Matt has to say on this topic.). on a vSphere 6.7

Load Balancer 60

Load Balancer Virtualization Authentication Tools 60

Scott Lowe

FEBRUARY 6, 2014

Christian Elsen (who works in Integration Engineering at VMware) has a nice series of articles going on using OpenStack with vSphere and NSX. and talks about vSphere OpenStack Virtual Appliance (VOVA) as well. Operating Systems/Applications. Virtualization. However, this site should make that easier.

Linux 60

Linux Vmware Storage Virtualization 60

Scott Lowe

SEPTEMBER 27, 2019

Operating Systems/Applications. Virtualization. This checklist is described as a “senior engineer’s checklist,” but it seems to be pretty applicable to most technology jobs these days. Are you a (largely non-technical) manager seeking to better understand Kubernetes? (I’d Career/Soft Skills.

Load Balancer 60

Load Balancer Cloud Applications Vmware 60

Scott Lowe

NOVEMBER 22, 2019

I found this link in the serverless mullet architectures post, see the “Operating Systems/Applications” section below.). Operating Systems/Applications. Virtualization. Ben Armstrong shares a PowerShell script that finds Hyper-V VMs with missing virtual disks. You’re welcome. (I

Architecture 60

Architecture Operating Systems Applications How To 60

Scott Lowe

FEBRUARY 9, 2018

I particularly liked his (mini-)rant about how network automation can’t be only about making the network engineer’s life easier. Operating Systems/Applications. Nick Korte shares some “lessons learned” as his team explored VMware vSAN as a storage solution. Virtualization.

Vmware 60

Vmware Linux Network Storage 60

Scott Lowe

APRIL 24, 2015

This article by Russell Bryant is a great overview and update of the work going on with Open Virtual Network (OVN). This is kind of cool, and (in my humble opinion) a sign of changing times: Juniper has Vagrant boxes as well as a Vagrant plugin for working with vSRX (virtual firewall) VMs (via this article from Matt Oswalt).

Vmware 60

Vmware Storage Firewall Network 60

Scott Lowe

JULY 21, 2016

Operating Systems/Applications. Cormac also wrote an article describing a pre-release Photon Controller driver for Docker Machine , which allows you to spin up Docker Engine instances on Photon Controller. Want to get geeky with storage protocol stacks ? Want to get geeky with storage protocol stacks ?

Vmware 60

Vmware Linux Storage Hardware 60

Scott Lowe

NOVEMBER 9, 2018

The Intel Management Engine (ME) has received a bit of attention as a potential security vulnerability; in this article , authors Maxim Goryachy and Mark Ermolov expose some new concerns around the Intel ME and its undocumented Manufacturing Mode. Operating Systems/Applications. Virtualization. Servers/Hardware.

Load Balancer 60

Load Balancer Operating Systems Intel Hardware 60

Scott Lowe

MAY 11, 2018

A network engineer using AWS and CloudFormation? Mike Foley talks about new support for Virtualization Based Security (VBS) and Credential Guard in vSphere 6.7. Operating Systems/Applications. Virtualization. Yep, get used to it folks—it’s where the industry is headed.

Network 60

Network Virtualization Open Source Vmware 60