Scott Lowe

AUGUST 12, 2022

Networking. Operating Systems/Applications. For your fix of storage-related links, J Metz has relatively recently published Storage Short Take #47. Edwin Weijdema shares how he uses VMware Fusion 12 on his MacBook Pro (Intel-based, I’m assuming) to run a mobile lab with nested ESXi hypervisors.

Linux 90

Linux Storage Virtualization Hardware 90

Scott Lowe

DECEMBER 6, 2013

Networking. In this post on why networking needs a Chaos Monkey , Mike Bushong applies to the terms to networks—a snowflake network is an intricately crafted network that is carefully tailored to utilize a custom subset of networking features unique to your environment. Here’s a good source.

Vmware 60

Vmware Storage Linux Network 60

Scott Lowe

NOVEMBER 10, 2017

Networking. 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. I really enjoyed David Gee’s series on the network automation engineer persona ( part 1 , part 2 , part 3 , and part 4 ). Operating Systems/Applications.

Vmware 60

Vmware Storage Engineering Network 60

Scott Lowe

JUNE 2, 2016

Networking. Anthony Burke has written a script that uses VMware NSX to protect VMware Log Insight instances. Russ White tackles the issue of networking engineers needing to learn to code. Jason Messer has an article describing how networking works with Windows containers. Operating Systems/Applications.

Vmware 60

Vmware Virtualization Linux Windows 60

Galido

APRIL 11, 2017

The result allows administrators or users to run multiple operating systems and allocate shared resources on one computer, laptop or server simultaneously. There is hosted virtualization , where the virtualization software is installed on top of and sits on an operating system. Source: Intel. Virtualization Tips.

Virtualization 60

Virtualization Backup Vmware Operating Systems 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. Operating Systems/Applications.

Vmware 106

Vmware Virtualization Network Linux 106

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. This is an interesting project to watch, I think—it’s porting OVN (Open Virtual Network) from a “traditional” OvS back-end to an IOVisor-based back-end (IOVisor implements the data plane in eBPF).

Vmware 60

Vmware Storage Intel Virtualization 60

Scott Lowe

SEPTEMBER 2, 2019

Last week at VMworld , I had the opportunity to meet with Lightbits Labs , a relatively new startup working on what they called “disaggregated storage.” So what is “disaggregated storage”? Lightbits has their own operating system, LightOS, which runs on industry-standard x64 servers from Dell, HP, Lenovo, etc.

Meeting 60

Meeting Storage HP Dell 60

Scott Lowe

JANUARY 27, 2023

I’ve got another collection of links to articles on networking, security, cloud, programming, and career development—hopefully you find something useful! Networking William Morgan’s 2022 service mesh recap captures some of the significant events in service mesh in 2022, although through a Linkerd-colored lens.

Programming 90

Programming Open Source Cloud Devops 90

Scott Lowe

DECEMBER 9, 2022

Networking. This article provides a few practical examples of how using VPC Endpoints to reduce network traffic moving through NAT Gateways can help save money. Operating Systems/Applications. Leave it to Ivan to school everyone on Ethernet encapsulations. Bassem Rezkalla shows how to remove these stale clusters.

Devops 87

Devops Virtualization Engineering Storage 87

Scott Lowe

JUNE 24, 2022

Networking. Operating Systems/Applications. Although it isn’t technically specific to storage, there are significant storage themes in this article on what might happen if you lock yourself out of your digital life. Here’s Chris Evans’ take on the Broadcom acquisition of VMware.

Vmware 74

Vmware Linux Storage Virtualization 74

Scott Lowe

MAY 27, 2022

Networking. network virtualization). Is the relationship between network virtualization and service mesh closer than some folks might wish to admit? now has a follow-up exploit that exposes Aruba and Avaya network switches to remote code execution. Operating Systems/Applications. I certainly hope not!

Virtualization 79

Virtualization Storage Network Programming 79

Storage IO Blog

MARCH 21, 2016

Keep an eye on among others including Cisco (Servers), Dell (Servers), EMC (DSSD), HPE, Intel (Servers, Drives and Cards), Lenovo, Micron, Microsoft (Drivers, Operating Systems, Storage Spaces), NetApp, OCZ, Oracle, PMC, Samsung, Seagate, Supermicro, VMware and Western Digital (acquisition of SANdisk and HGST).

Vmware 40

Vmware Dell Oracle Operating Systems 40

Scott Lowe

FEBRUARY 11, 2021

I’ve got a wide range of topics for you this time around—eBPF, Falco, Snort, Kyverno, etcd, VMware Code Stream, and more. Networking. Justin Pietsch Has a lengthy article on why network engineers need to focus on getting the network out of the way. Operating Systems/Applications. Virtualization.

Vmware 60

Vmware Storage Study Network 60

Scott Lowe

MAY 4, 2017

Networking. There’s lots of talk about applying test-driven development (TDD) principles in various automation contexts, but I like the fact that Ajay Chenampara provides some practical examples in his blog post on applying TDD in network automation using Ansible. If you’re just starting your network automation journey, start small.

Vmware 60

Vmware Storage Network Examples 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. to VMware NSX 6.2.5 Operating Systems/Applications.

Vmware 60

Vmware Storage Network Windows 60

Scott Lowe

NOVEMBER 17, 2016

Networking. Ansible has made some good progress in supporting network automation in the latest release (2.2), according to this blog post. Jeremy Stretch mulls over the (perceived) problem of getting traffic into and out of overlay networks. I’m admittedly a Cumulus Networks fan.) Operating Systems/Applications.

Linux 60

Linux Vmware Storage Network 60

Scott Lowe

FEBRUARY 9, 2018

Networking. Sam McGeown has a nice diagram of the communications channels between the various VMware NSX components. 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. Servers/Hardware.

Vmware 60

Vmware Linux Network Storage 60

Scott Lowe

MAY 3, 2019

Networking. Via BlueCat Networks, John Capobianco shares his network automation journey. Via BlueCat Networks, John Capobianco shares his network automation journey. Operating Systems/Applications. Who says you can’t please everyone all the time? The GitHub repository for the project is here.

Vmware 60

Vmware Open Source Intel Applications 60

Scott Lowe

JANUARY 19, 2018

Networking. Matt Klein breaks down service mesh components , using terms networking professionals know well, like “data plane” and “control plane.” ” Those familiar with networking concepts will identify well with the ideas in this article, I think. Operating Systems/Applications.

Vmware 60

Vmware Open Source Linux Cloud 60

Scott Lowe

NOVEMBER 7, 2014

Networking. This post by Matt Oswalt—the first in a series, apparently—provides a great introduction to 5 development tools for network engineers. Matt also recently posted part 4 (of 5) in his series on SDN protocols; this post covers OpFlex and declarative networking. Operating Systems/Applications.

Vmware 69

Vmware Linux Storage Virtualization 69

Scott Lowe

AUGUST 11, 2016

In this post you’ll find a collection of links to articles discussing the major data center technologies—networking, hardware, security, cloud computing, applications, virtualization…you name it! (If Networking. Numan Siddique describes the native DHCP support available in OVN (Open Virtual Network). Servers/Hardware.

Vmware 60

Vmware Hardware Storage Linux 60

Scott Lowe

JULY 21, 2016

Networking. Netmiko, if you haven’t heard, is a fantastic Python library that’s really useful when writing Python-based network automation scripts. Here’s a pair of articles ( one here and one here ) that describe the port connections required between the various components in a VMware NSX deployment. Thanks Jason!

Vmware 60

Vmware Linux Storage Hardware 60

Scott Lowe

FEBRUARY 24, 2018

Networking. VMware recently released a reference design guide for NSX-T; see here for more details. 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 Operating Systems/Applications.

Vmware 60

Vmware Load Balancer Network Open Source 60

Scott Lowe

DECEMBER 27, 2019

Networking. Teammate Alex Brand has a look at VMware’s new OVS-based CNI plugin, Antrea. Ahmet Alp Balkan talks about how the Knative Serving component addresses some key networking challenges within Kubernetes. Operating Systems/Applications. Spend time with your family instead. Servers/Hardware.

Open Source 60

Open Source Vmware Authentication Storage 60

Scott Lowe

JANUARY 14, 2016

Networking. NAPALM (Network Automation and Programmability Layer with Multivendor support) looks like a really cool tool. Gabriele (the author of that post) also has a nice article on some resources to get you started with network automation. Dwayne Sinclair (an NSX SE at VMware) has a write-up on what micro-segmentation is not.

Vmware 60

Vmware Devops Storage Linux 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. Operating Systems/Applications.

Open Source 60

Open Source Storage Vmware Network 60

Scott Lowe

APRIL 27, 2018

Networking. VMware has released a PowerCLI preview/fling for NSX-T; Kyle Ruddy has a write-up here. Cilium, the open source project working to bring eBPF-powered networking and security to Kubernetes environments, has hit the 1.0 VMware has launched a SIG for Kubernetes on VMware. Operating Systems/Applications.

Vmware 60

Vmware Storage Open Source Security 60

Scott Lowe

MARCH 17, 2016

Networking. At DevOps Networking Forum 2016, I had the opportunity to share a presentation on some Linux networking options. Here’s another topic that came up at the recent DevOps Networking Forum: Spotify’s SDN Internet Router (SIR). Here’s some information on Nuage Networks’ experimental Docker Network plugin.

Vmware 60

Vmware Linux Network Open Source 60

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. Adrian’s operational review readiness template is another great post as well. Operating Systems/Applications. Virtualization.

Linux 60

Linux Vmware Open Source Examples 60

Scott Lowe

AUGUST 8, 2014

Welcome to Technology Short Take #43, another episode in my irregularly-published series of articles, links, and thoughts from around the web, focusing on data center technologies like networking, virtualization, storage, and cloud computing. Networking. Jason Edelman recently took a look at Docker networking.

Vmware 60

Vmware Linux Virtualization Network 60

Scott Lowe

OCTOBER 5, 2012

Networking. Some folks from Nicira (now part of VMware) recently published a blog post discussing the OVSDB IETF draft (see here ). I think this three-part series on new network models for cloud computing ( part 1 , part 2 , and part 3 ), while almost a year old, is quite good. Operating Systems/Applications.

Storage 92

Storage Vmware Linux Virtualization 92

Scott Lowe

NOVEMBER 30, 2018

Networking. It will be available next year, and will come in a “native AWS” flavor as well as a VMware flavor (see William Lam’s post for more details on the VMware flavor). Operating Systems/Applications. Matt Oswalt shares some details on how NRE Labs implements “curriculum-as-code.”

Vmware 60

Vmware Authentication Virtualization Storage 60

Scott Lowe

FEBRUARY 11, 2016

Networking. see below in the “Operating Systems/Applications” section), Metaswitch has announced a Container Networking Interface (CNI) plugin for Project Calico. First up, Matt goes on a bit of a rant regarding SDN and network automation. Both these articles came out of Network Field Day 11 , by the way.).

Vmware 60

Vmware Network Operating Systems Virtualization 60

Scott Lowe

OCTOBER 9, 2016

Networking. PowerShell on Cumulus Linux on a network switch? Lindsay Hill recently took Simon Wardley’s pioneers/settlers/town planners (PST) model—which is itself based on Cringely’s Accidental Empires book and the commandos/infantry/police model—and applied to it the networking industry. Operating Systems/Applications.

Vmware 60

Vmware Case Study Linux Network 60

Scott Lowe

JUNE 8, 2018

Networking. If you’re a networking pro and didn’t understand most of that last sentence, I’d content that you’ve got some learning to do. If you’re a networking pro and didn’t understand most of that last sentence, I’d content that you’ve got some learning to do. Servers/Hardware.

Load Balancer 60

Load Balancer Vmware Storage Intel 60

Scott Lowe

DECEMBER 29, 2016

Networking. Ajay Chenampara has some observations about running Ansible at scale against network devices. Andrey Khomyakov shares some information on automating the setup of whitebox switches running Cumulus Linux in part 2 of this series on learning network automation. Operating Systems/Applications.

Vmware 60

Vmware Linux Open Source Data Center 60