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

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. Cloud Computing/Cloud Management. Virtualization. Servers/Hardware. Cabling is hardware, right?

Linux 74

Linux Load Balancer IPv6 Licensing 74

Scott Lowe

APRIL 6, 2017

Here’s a handy list of deprecated Linux network commands and their replacements. Konstantin Ryabitsev has a series going on securing a SysAdmin Linux workstation. Part 1 covers how to choose a Linux distribution, and part 2 discusses some security tips for installing Linux on your SysAdmin workstation. Virtualization.

Vmware 60

Vmware Linux Storage Network 60

Scott Lowe

JUNE 18, 2021

The collection of links shared below covers a fairly wide range of topics, from old Sun hardware to working with serverless frameworks in the public cloud. Via Ivan Pepelnjak, I was pointed to Jon Langemak’s in-depth discussion of working with Linux VRFs. Cloud Computing/Cloud Management. Networking. Check this out.

Vmware 60

Vmware Hardware Load Balancer Apple 60

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. I use OTR with Adium on OS X, and OTR with Pidgin on my Fedora Linux laptop.). Cloud Computing/Cloud Management.

Vmware 60

Vmware Linux Storage Load Balancer 60

Linux Academy

MARCH 28, 2019

A big reason is the proliferation of micro-services based applications in highly redundant and highly available cloud infrastructures. Add to that a desire for most enterprises to integrate cloud based workloads with legacy on-premises applications, and we have complex hybrid cloud deployments to deal with as the result.

Open Source 60

Open Source Devops Linux Cloud 60

Scott Lowe

SEPTEMBER 27, 2019

As usual, I’ve collected some articles and links from around the Internet pertaining to various data center- and cloud-related topics. I saw this headline , and immediately thought it was just “cloud native”-washing (i.e., tagging everything as “cloud native”). Cloud Computing/Cloud Management.

Load Balancer 60

Load Balancer Cloud Applications Vmware 60

Scott Lowe

OCTOBER 14, 2017

Romain Decker has an “under the hood” look at the VMware NSX load balancer. Cloud Computing/Cloud Management. Joe’s comment—“the merging of CDNs and cloud continues”—is pretty spot on, in my opinion. Virtualization. Servers/Hardware. Nothing this time (sorry!).

Load Balancer 60

Load Balancer Vmware Hardware Open Source 60

Scott Lowe

SEPTEMBER 22, 2017

Vincent Bernat has a really in-depth article on IPv4 route lookup on Linux (and one on IPv6 route lookup as well). and their product (VirTool Network Analyzer) is aimed at providing some operational visibility into OpenStack virtual networks. Cloud Computing/Cloud Management. Here’s hoping you find something useful!

Storage 60

Storage Vmware Load Balancer Network 60

Scott Lowe

OCTOBER 5, 2012

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. 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.

Storage 92

Storage Vmware Linux Virtualization 92

Linux Academy

NOVEMBER 19, 2019

Practice with live deployments, with built-in access to Amazon Web Services, Google Cloud, Azure, and more. . “My favorite parts about Linux Academy are the practical lab sessions and access to playground servers, this is just next level.” Cloud Systems Engineer, Amazon Web Services. ” – Mohammad Iqbal.

Load Balancer 19

Load Balancer Backup Applications Linux 19

Scott Lowe

AUGUST 17, 2018

Scott McCarty explains sVirt and how it’s used to isolate Linux containers. Cloud Computing/Cloud Management. Check out these articles talking about IPVS-based in-cluster load balancing , CoreDNS , dynamic kubelet configuration , and resizing persistent volumes in Kubernetes. Virtualization.

Load Balancer 60

Load Balancer Storage Network Linux 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. Cloud Computing/Cloud Management. Welcome to Technology Short Take #56! In this post, I’ve collected a few links on various data center technologies, news, events, and trends. Networking.

Vmware 60

Vmware Network Load Balancer Linux 60

Scott Lowe

DECEMBER 17, 2015

If you’d like to play around with Cumulus Linux but don’t have a compatible hardware switch, Cumulus VX is the answer. This article listing 20 Linux server hardening tips contains some basic tips but is nevertheless a very good resource for someone looking for Linux security recommendations. Cloud Computing/Cloud Management.

Vmware 60

Vmware Linux Architecture 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

DECEMBER 6, 2012

Another good resource is Dan Hersey’s guide to building an SDN-based private cloud in an hour. Cloud Computing/Cloud Management. For example, Cody Bunch published this article on running OpenStack Private Cloud on ESXi , and Brent Salisbury (there he is again!) Virtualization. Until the 1.3

Vmware 109

Vmware Virtualization Storage Hardware 109

Scott Lowe

SEPTEMBER 11, 2014

Workloads are scheduled across these server/linecards using Valiant Load Balancing (VLB). Of course, there are issues with packet-level load balancing and flow-level load balancing, so tradeoffs must be made one way or another. IDF 2014: Virtualizing the Network to Enable SDI.

Load Balancer 61

Load Balancer Intel Network Hardware 61

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. Cloud Computing/Cloud Management. Virtualization. Networking. Servers/Hardware.

Open Source 60

Open Source Vmware Network IBM 60

Scott Lowe

AUGUST 20, 2014

OS X provides an SSH agent by default, but on Linux systems you will probably have to manually run an SSH agent and add the appropriate SSH key: eval `ssh-agent -s` ssh-add ~/.ssh/keyfile.pem. Metadata can be assigned either via cloud-config parameters passed when the instance is spawned, or via modifications to the fleet config files.

Linux 61

Linux System Load Balancer Examples 61