Scott Lowe

AUGUST 6, 2021

Here’s a quick look at using Envoy as a load balancer in Kubernetes. Eric Sloof shows readers how to use the “Applied To” feature in NSX-T to potentially improve resource utilization. Michael Kashin explains how he built a DIY (Do It Yourself) SD-WAN using Envoy and Wireguard. Servers/Hardware.

Open Source 60

Open Source Load Balancer WAN Architecture 60

Virtualized Greek

SEPTEMBER 8, 2013

This is different from the current software first movement in that Cisco’s approach is based on their hardware first view of the network. However, if you were to go by the response to the number of vendors supporting the NSX ecosystem you’d think the entire industry is going against this hardware first religion. Arista – Top of Rack.

Vmware 78

Vmware Load Balancer Hardware HP 78

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. Along the same lines as the previous bullet, here’s a write-up on how to encrypt your e-mails with PGP keys.

Vmware 60

Vmware Linux Storage Load Balancer 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. Servers/Hardware. Virtualization. I hope you find something useful!

Linux 60

Linux Load Balancer Malware Virtualization 60

Scott Lowe

SEPTEMBER 27, 2019

Normally I’d put something like this in a different section, but this is as much a write-up on how to configure NSX-T correctly as it is about configuring Ingress objects in Kubernetes. Servers/Hardware. Jeff Geerling explains how to test your Ansible roles with Molecule. Virtualization. Networking.

Load Balancer 60

Load Balancer Cloud Applications Vmware 60

Scott Lowe

APRIL 6, 2017

Servers/Hardware. Part 1 covers how to choose a Linux distribution, and part 2 discusses some security tips for installing Linux on your SysAdmin workstation. Brandon Gordon shares how to use VMware Harbor and VMware Admiral in a vCloud Air Network (vCAN) environment for container management. Virtualization.

Vmware 60

Vmware Linux Storage Network 60

Scott Lowe

JUNE 8, 2018

Kamal Kyrala discusses a method for accessing Kubernetes Services without Ingress, NodePort, or load balancers. Servers/Hardware. What I found interesting is that the local NVMe storage is also hardware encrypted. Virtualization. Why is this in the networking section? Because it involves IP routing and ECMP!

Load Balancer 60

Load Balancer Vmware Storage Intel 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. Servers/Hardware. Ric Harvey shows how to automatically deploy Hugo updates using AWS CodeBuild. Virtualization.

Load Balancer 60

Load Balancer Operating Systems Intel Hardware 60

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. Servers/Hardware. The Project Atomic blog shares how to use OCI image registries with Buildah. Virtualization.

Vmware 60

Vmware Load Balancer Network Open Source 60

Scott Lowe

AUGUST 17, 2018

Servers/Hardware. Scott McCarty explains sVirt and how it’s used to isolate Linux containers. Fellow Heptonian Chuck Ha walks through some Kubernetes logs to show how to use them to better understand the relationships between the various components. Virtualization. It’s really good.

Load Balancer 60

Load Balancer Storage Network Linux 60

Scott Lowe

JUNE 21, 2019

Mohamad Alhussein shares information on how to add a floating static route to an NSX edge via the NSX REST API. Mircea Ulinic shows readers how to use salt-sproxy to take a different approach to network automation using Salt. I’m looking forward to seeing how NaaS evolves. Servers/Hardware. Networking. Cool stuff.

Network 60

Network Load Balancer Storage Applications 60

Scott Lowe

SEPTEMBER 22, 2017

and their product (VirTool Network Analyzer) is aimed at providing some operational visibility into OpenStack virtual networks. Servers/Hardware. Alexander Holbreich has a write-up on how to install Kubernetes on Ubuntu. Virtualization. John Kozej walks through how to configure vCenter HA using the NSX load balancer.

Storage 60

Storage Vmware Load Balancer Network 60

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. Servers/Hardware. Virtualization. Jason Boche shows you how. William Lam shows you how to use ovftool to copy VMs directly between ESXi hosts.

Storage 92

Storage Vmware Linux Virtualization 92

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. Carl Baldwin has a post describing how subnet pools work and why they are of benefit in OpenStack environments. Servers/Hardware. Virtualization. I hope you find something useful here.

Vmware 60

Vmware Network Load Balancer Linux 60

Scott Lowe

DECEMBER 17, 2015

He describes how to set it up (on both VirtualBox and Digital Ocean) and provides some high-level performance information as well. If you’d like to play around with Cumulus Linux but don’t have a compatible hardware switch, Cumulus VX is the answer. Servers/Hardware. Virtualization. Good write-up.

Vmware 60

Vmware Linux Architecture Hardware 60

Scott Lowe

DECEMBER 6, 2012

First up is Brent Salisbury’s how to build an SDN lab without needing OpenFlow hardware. Not unsurprisingly, one of the key advantages of STT that’s highlighted is its improved performance due to TSO support in NIC hardware. Servers/Hardware. Virtualization. Big news in the QEMU world: In the QEMU 1.3

Vmware 109

Vmware Virtualization Storage Hardware 109

Scott Lowe

FEBRUARY 10, 2015

tech preview of virtual networks for Docker. Tom’s key point is that disaggregating software from hardware—which is kind of a given if you’re buying whitebox networking gear—gives you the (potential) flexibility to repurpose network gear based on the software running on it. Servers/Hardware. Virtualization.

Open Source 60

Open Source Vmware Network IBM 60