Scott Lowe

APRIL 6, 2017

Operating Systems/Applications. Here’s a Windows-centric walkthrough to using Nginx to load balance across a Docker Swarm cluster. Brian Ragazzi shares a lesson learned the hard way regarding VVols: place the VSM/VASA on a non-VVol storage location. Virtualization. A command-line client for Twitter ?

Vmware 60

Vmware Linux Storage Network 60

Scott Lowe

JANUARY 17, 2020

Eric Sloof mentions the NSX-T load balancing encyclopedia (found here ), which intends to be an authoritative resource to NSX-T load balancing configuration and management. Operating Systems/Applications. Virtualization. Here’s hoping that I found something useful for you! Networking.

Load Balancer 60

Load Balancer Vmware Windows Cloud 60

Scott Lowe

AUGUST 6, 2021

Here’s a quick look at using Envoy as a load balancer in Kubernetes. It’s a good starting point for thinking about operating your own active-active architecture. Operating Systems/Applications. Virtualization. I hope this collection of links has something useful for you! Networking.

Open Source 60

Open Source Load Balancer WAN Architecture 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. Operating Systems/Applications. Virtualization. Networking.

Linux 60

Linux Load Balancer Malware Virtualization 60

Scott Lowe

DECEMBER 6, 2012

Operating Systems/Applications. I found this article on imperative vs. declarative system configuration is quite helpful in understanding Puppet’s declarative model. Virtualization. QEMU, on the other hand, is needed to emulate everything else that a VM needs: networking, storage, USB, keyboard, mouse, etc.

Vmware 109

Vmware Virtualization Storage Hardware 109

Scott Lowe

APRIL 15, 2022

Xavier Avrillier walks readers through using Antrea (a Kubernetes CNI built on top of Open vSwitch—a topic I’ve touched on a time or two) to provide on-premise load balancing in Kubernetes. Operating Systems/Applications. Virtualization. Servers/Hardware. Cabling is hardware, right?

Linux 74

Linux Load Balancer IPv6 Licensing 74

Scott Lowe

OCTOBER 5, 2012

Erik Smith, notably known for his outstanding posts on storage and FCoE, takes a stab at describing some of the differences between SDN and network virtualization in this post. Operating Systems/Applications. Is Cisco’s Insieme effort producing a storage product? storage enhancements. Virtualization.

Storage 92

Storage Vmware Linux Virtualization 92

Scott Lowe

OCTOBER 14, 2017

Romain Decker has an “under the hood” look at the VMware NSX load balancer. This graphical summary of the AWS Application Load Balancer (ALB) is pretty handy. Operating Systems/Applications. Virtualization. Servers/Hardware. Nothing this time (sorry!).

Load Balancer 60

Load Balancer Vmware Hardware Open Source 60

Scott Lowe

SEPTEMBER 27, 2019

The “TL;DR” for those who are interested is that this solution bypasses the normal iptables layer involved in most Kubernetes implementations to load balance traffic directly to Pods in the cluster. Operating Systems/Applications. Virtualization. Unfortunately, this appears to be GKE-specific.

Load Balancer 60

Load Balancer Cloud Applications Vmware 60

Scott Lowe

SEPTEMBER 22, 2017

and their product (VirTool Network Analyzer) is aimed at providing some operational visibility into OpenStack virtual networks. I saw a demo of the product—it looks quite handy, and provides a pretty fair amount of information to help operators figure out what’s happening “under the covers. Virtualization.

Storage 60

Storage Vmware Load Balancer Network 60

Scott Lowe

AUGUST 17, 2018

Check out these articles talking about IPVS-based in-cluster load balancing , CoreDNS , dynamic kubelet configuration , and resizing persistent volumes in Kubernetes. Operating Systems/Applications. Virtualization. Nathaniel Avery shares a tip on saving some money by using the right servers on Azure.

Load Balancer 60

Load Balancer Storage Network Linux 60

Scott Lowe

JUNE 8, 2018

Kamal Kyrala discusses a method for accessing Kubernetes Services without Ingress, NodePort, or load balancers. 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. Operating Systems/Applications.

Load Balancer 60

Load Balancer Vmware Storage Intel 60

Scott Lowe

JULY 13, 2018

Bernd Malmqvist talks about Avi Networks’ software-defined load balancing solution, including providing an overview of how to use Vagrant to test it yourself. Operating Systems/Applications. Virtualization. Julia Evans provides a quick overview of Wireshark. Mike Foley walks you through configuring TPM 2.0

Load Balancer 60

Load Balancer Virtualization Authentication Tools 60

Scott Lowe

NOVEMBER 9, 2018

Continuing on that Envoy theme, you may find this article by Matt Klein—one of the primary authors of Envoy—helpful in understanding some of the concepts behind modern load balancing and proxying. Operating Systems/Applications. Virtualization. Servers/Hardware. Good stuff! Useful nevertheless, though.

Load Balancer 60

Load Balancer Operating Systems Intel Hardware 60

Scott Lowe

SEPTEMBER 12, 2013

The first concept that Recep discusses is network virtualization. He believes that network virtualization is primarily about decoupling network services from the underlying network infrastructure. The specific terminology involved is that the virtual switches become a VTEP, a virtual tunnel end-point.

Intel 61

Intel Load Balancer Architecture Virtualization 61

Scott Lowe

FEBRUARY 24, 2018

VPCs, or Virtual Private Clouds, are Amazon’s software-defined networking mechanism for workloads running on AWS.). Viktor van den Berg writes on deploying NSX load balancers with vRA. Operating Systems/Applications. Virtualization. Speaking of Buildah…here’s a post from Tomáš Tome?ek

Vmware 60

Vmware Load Balancer Network Open Source 60

Scott Lowe

JUNE 21, 2019

David Holder walks through removing unused load balancer IP allocations in NSX-T when used with PKS. Operating Systems/Applications. Cormac Hogan has recently published three good articles on storage in Kubernetes (the articles are all part of a larger “Kubernetes Storage on vSphere” series).

Network 60

Network Load Balancer Storage Applications 60

Linux Academy

FEBRUARY 26, 2019

March Study Group Course: Linux Operating System Fundamentals – Have you heard of Linux, but don’t really know anything about it? Students will explore how containers work, how they compare with virtual machines and Docker containers, and how they handle application isolation.

Linux 80

Linux Big Data Course Devops 80

Scott Lowe

FEBRUARY 10, 2015

This time around, the content is a bit heavier on cloud management and applications/operating systems, but still lots of good content all the way around (I hope, anyway). tech preview of virtual networks for Docker. Operating Systems/Applications. Virtualization. Networking. Servers/Hardware.

Open Source 60

Open Source Vmware Network IBM 60

Scott Lowe

NOVEMBER 16, 2015

Open Virtual Network (OVN) is really ramping up and getting lots of attention, which I personally think is absolutely well-deserved. Operating Systems/Applications. Is VMware headed to turning VSAN into a generic storage platform that is no longer tied to vSphere? Virtualization. Networking.

Vmware 60

Vmware Network Load Balancer Linux 60

Scott Lowe

DECEMBER 17, 2015

Operating Systems/Applications. Virtualization. William Lam breaks down the real value of load balancing your PSC in this in-depth article. This is an older post on OpenStack availability zones and host aggregates , but useful nevertheless (for me, at least). Want to run Docker Swarm on Azure? Why, yes, thanks.

Vmware 60

Vmware Linux Architecture Hardware 60