Scott Lowe

AUGUST 6, 2021

I saw this blog post about Curiefense , an open source Envoy extension to add WAF (web application firewall) functionality to Envoy. I really enjoy these AWS open source news and updates posts. It’s a good starting point for thinking about operating your own active-active architecture. Virtualization.

Open Source 105

Open Source Load Balancer WAN Architecture 105

Scott Lowe

JUNE 24, 2022

Tetragon is Isovalent’s newly open-sourced security framework. 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. Virtualization.

Vmware 74

Vmware Linux Storage Virtualization 74

Scott Lowe

DECEMBER 27, 2019

Operating Systems/Applications. Cole Atkinson discusses the fact that osxfuse is no longer open source , and the ramifications of this development on open source in general. Virtualization. I recently spotted Multipass , a virtualization solution for working with Linux instances.

Open Source 60

Open Source Vmware Authentication Storage 60

Scott Lowe

JANUARY 27, 2023

Operating Systems/Applications Dewan Ahmed has a great run-down on options for documentation-as-code. Rory McCune shares some information on configuring Caddy , a Go-based open source web server. Storage Stephen Wagner discusses a situation in which all VMs are inaccessible after graceful cluster shutdown and restart.

Programming 90

Programming Open Source Cloud Devops 90

Scott Lowe

AUGUST 6, 2021

I saw this blog post about Curiefense , an open source Envoy extension to add WAF (web application firewall) functionality to Envoy. I really enjoy these AWS open source news and updates posts. It’s a good starting point for thinking about operating your own active-active architecture. Virtualization.

Open Source 60

Open Source Load Balancer WAN Architecture 60

Scott Lowe

DECEMBER 6, 2013

A fan of network virtualization might also say that decomposing today’s complex physical networks into multiple simple logical networks on top of a simpler physical transport network—similar to Mike’s suggestion of converging on a smaller set of reference architectures—might also help. (Of All good stuff, thanks Mike!

Vmware 60

Vmware Storage Linux Network 60

Scott Lowe

FEBRUARY 28, 2022

Components involved include the open source Kuma service mesh (in turn leveraging Envoy), anycast BGP, and mutual TLS (mTLS). It’s a shame the site doesn’t appear to have an RSS/Atom feed… Operating Systems/Applications. A redesign for Apple’s long-stagnant System Preferences app?

Storage 79

Storage Hardware Policies Open Source 79

Scott Lowe

MARCH 23, 2017

As opposed to just encrypting data at the transport level (although Acra does that between components of its architecture) or just encrypting data at the storage level (using an encrypted file system or similar), Acra targets encrypting data at the table/row/column level within a database. Acra is open source and available via GitHub.

Open Source 60

Open Source Storage Vmware Network 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. Welcome to Technology Short Take #165! Denis Mulyalin shows how to use Nornir, Salt, and NetBox to template your network tests.

Programming 96

Programming Policies Network Cloud 96

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. These look interesting, but be aware that they are not licensed with an open source license.

Linux 60

Linux Dell Open Source Licensing 60

Scott Lowe

JANUARY 14, 2016

Cumulus VX, if you aren’t aware, is a community-supported virtual appliance version of Cumulus Linux aimed at helping folks preview and test “full-blown” Cumulus Linux (which, of course, requires compatible hardware). VMware open-sourced an identity and access management service called Lightwave ( project web site , GitHub repo ).

Vmware 60

Vmware Devops Storage Linux 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

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. I found this series of posts to be helpful when I was working on configuring LACP with Open vSwitch (I hope to have a blog post on that up soon).

Storage 92

Storage Vmware Linux Virtualization 92

Scott Lowe

DECEMBER 29, 2016

Operating Systems/Applications. could make RDP connections to modern Windows systems. Jase McCarty talks about how to backup or recover storage policy-based management (SPBM) profiles. Virtualization. This is notable (for me, at least) primarily because a growing number of Docker images are based on Alpine Linux.

Vmware 60

Vmware Linux Open Source Data Center 60

Scott Lowe

DECEMBER 8, 2016

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). I noted that a Vagrant provider for vRealize Automation was recently released as an open source project. Virtualization.

Vmware 60

Vmware Storage Intel Virtualization 60

Scott Lowe

MARCH 2, 2020

Chip Zoller makes the argument in favor of running Kubernetes in/on virtual machines. Christian Posta talks about how microservices are not the only approach to software design, and then walks through the recent shift in Istio—the open source service mesh—from a microservices-based architecture to a more monolithic approach.

Linux 60

Linux Windows Hardware Network 60

Scott Lowe

MARCH 1, 2019

VyOS is an open source Linux-based network operating system.). Operating Systems/Applications. Virtualization. I’m not sure how I missed that part 2 was published only 2 days later, so I’m rectifying that now. Go check out part 2. Servers/Hardware.

Operating Systems 60

Operating Systems Authentication Network Open Source 60

Scott Lowe

NOVEMBER 7, 2014

Operating Systems/Applications. I find it enormously helpful to stay connected to various open source-related IRC channels, but staying logged while on the move is, for all intents and purposes, impossible. Virtualization. of the Microsoft Virtual Machine Converter will keep popping up.

Vmware 69

Vmware Linux Storage Virtualization 69

Scott Lowe

JULY 5, 2019

As would be expected with any maturing open source project that is starting to see increased adoption, Kubernetes has seen its share of security vulnerabilities over the last couple of months. Operating Systems/Applications. Virtualization. It provides the basics behind X.509v3 Kubernetes 1.15 Career/Soft Skills.

Storage 60

Storage Hardware Open Source Vmware 60

Scott Lowe

APRIL 8, 2013

He describes cloud as the synthesis of many different forms of innovation within IT , pulling together things like open source, virtualization, distributed programming, NoSQL, DevOps/NoOps, distributed teams, dynamic languages, and Big Data (among others). Operating Systems/Applications. Virtualization.

Storage 111

Storage Vmware WAN Virtualization 111

Scott Lowe

JANUARY 28, 2016

And while we are on the topic of Linux and open source in the networking industry…read this entertaining and informative article on the importance of (truly) open source libraries in networking. The project itself is open source and hosted on GitHub. Operating Systems/Applications.

Vmware 60

Vmware Linux Open Source Devops 60

Scott Lowe

NOVEMBER 24, 2012

It’s been over four months since my last post on open source Puppet , when I posted some updated multi-OS Puppet configurations. The key to making it work is the idea of a virtual resource. The Puppet Labs site does a much better job of explaining virtual resources. Realize the virtual user resources where needed.

Resources 126

Resources Virtualization Linux Open Source 126

Scott Lowe

APRIL 19, 2019

This article discusses four open source secrets management tools. Many organizations prefer to use two-factor authentication (2FA) to help protect their systems. ” Operating Systems/Applications. Virtualization. ClusterScope is a handy tool for finding outdated images in your Kubernetes cluster.

Open Source 60

Open Source Tools Policies Cloud 60

The Verge

NOVEMBER 6, 2020

For all your other desktop software needs, there’s usually a free, open-source program that can do just as good a job. If that doesn’t work for your office’s Windows-only programs, you can always keep running Windows 7, with a lot less danger, on a virtual machine (VM) on Linux. Gimp , for example, instead of Photoshop.

Linux 106

Linux Windows How To Operating Systems 106

Scott Lowe

NOVEMBER 22, 2012

Lots of folks like using Dropbox , the ubiquitous store-and-sync cloud storage service; I am among them. To help address that, I looked around to find an open, interoperable way of adding an extra layer of encryption onto my data. A Mac port of the open source EncFS FUSE filesystem. Background. What You’ll Need.

Open Source 137

Open Source Storage Security Guidelines 137

Scott Lowe

JANUARY 14, 2016

Cumulus VX, if you aren’t aware, is a community-supported virtual appliance version of Cumulus Linux aimed at helping folks preview and test “full-blown” Cumulus Linux (which, of course, requires compatible hardware). VMware open-sourced an identity and access management service called Lightwave ( project web site , GitHub repo ).

Devops 60

Devops Vmware Storage Open Source 60

Scott Lowe

MAY 3, 2019

Via the Kubernetes blog , Box announced it has open sourced a project called kube-iptables-tailer , which turns packet drops from iptables into Kubernetes events that can be logged for easier troubleshooting. Operating Systems/Applications. Virtualization. Who says you can’t please everyone all the time?

Vmware 60

Vmware Open Source Intel Applications 60

Scott Lowe

NOVEMBER 25, 2020

Open source has become so critical to so many aspects of our computing infrastructure. I recently stumbled across Ricardo Sueiras’ “AWS open source news and updates” posts. Adrian’s operational review readiness template is another great post as well. Operating Systems/Applications.

Linux 60

Linux Vmware Open Source Examples 60

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 Numan Siddique describes the native DHCP support available in OVN (Open Virtual Network). Operating Systems/Applications.

Vmware 60

Vmware Hardware Storage Linux 60

Scott Lowe

APRIL 15, 2022

Operating Systems/Applications. Virtualization. And it’s publicly available on GitHub , although not licensed with a typical open source license. Fatima Silveira has a good article on using the Kubernetes Horizontal Pod Autoscaler. Levent Ogut takes a deep dive into Kubernetes init containers.

Linux 74

Linux Load Balancer IPv6 Licensing 74

Galido

JULY 20, 2018

Many iPhone users and Apple fanboys alike stand by their product no matter how limited Apple makes their storage capacities, while Android geeks have long time been able to freely add storage/memory cards to their devices and take advantage of more powerful hardware. Galaxy S8 base storage starts at 64GB, while Apple’s is 32GB.

Study 66

Study Apple Google Operating Systems 66

Scott Lowe

JANUARY 19, 2018

Via Maish Saidel-Keesing, I saw this post about 10 open source Kubernetes tools for highly effective SRE and Ops teams. Operating Systems/Applications. Mark Peek talks about Dispatch , the open source serverless framework VMware recently released. Virtualization. release of Kubernetes. or higher).

Vmware 60

Vmware Open Source Linux Cloud 60

Scott Lowe

MAY 25, 2017

Operating Systems/Applications. I was recently reviewing some articles on Git, the popular distributed version control system, and came across a few related posts. This was the source of some confusion in the past; the move to Moby sidesteps those concerns. Virtualization. Career/Soft Skills.

Linux 60

Linux Open Source Network Vmware 60

Scott Lowe

MAY 25, 2017

Operating Systems/Applications. I was recently reviewing some articles on Git, the popular distributed version control system, and came across a few related posts. This was the source of some confusion in the past; the move to Moby sidesteps those concerns. Virtualization. Career/Soft Skills.

Linux 60

Linux Open Source Network Vmware 60

Scott Lowe

APRIL 24, 2020

I recently stumbled across this regular list of AWS open source news and updates by Ricardo Sueiras. Operating Systems/Applications. Cody Hosterman, of Pure Storage, takes a look at Pure Storage’s support of the recently-released vSphere 7. Virtualization.

Storage 60

Storage Tools Architecture Network 60

Scott Lowe

MARCH 2, 2017

Skydive is (in the project’s own words) an “open source real-time network topology and protocols analyzer.” I just noticed this article about using Nova flavor extra-specs to pass QoS data down to the virtualization layer. Operating Systems/Applications. Virtualization. That’s handy. environments.

Linux 60

Linux Devops Open Source Virtualization 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