Scott Lowe

JUNE 24, 2022

Tetragon is Isovalent’s newly open-sourced security framework. While his post specifically addresses the AWS CDK, I think that some of his conclusions could also be applicable to other “infrastructure-as- actual -code” tools like Pulumi. Operating Systems/Applications. Think again.

Vmware 74

Vmware Linux Storage Virtualization 74

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. Denis Mulyalin shows how to use Nornir, Salt, and NetBox to template your network tests.

Programming 96

Programming Policies Network Cloud 96

Scott Lowe

DECEMBER 9, 2022

Engin Diri’s article on continuous cluster audit scanning with Trivy is a “two-for-one” article: you get to see some Pulumi YAML to create a Kubernetes cluster on Civo, and you get to see writing policies for the Trivy Operator. Ricardo Sueiras captured some great links on open source at AWS in this newsletter.

Devops 87

Devops Virtualization Engineering Storage 87

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. This post on using SPIFFE/SPIRE, Kubernetes, and Envoy together shows how to implement mutual TLS (mTLS) for a simple application. Operating Systems/Applications.

Open Source 60

Open Source Load Balancer WAN Architecture 60

Scott Lowe

OCTOBER 23, 2020

I think a fair number of folks may not be aware that the Nginx ingress controller for Kubernetes—both the community version and the Nginx-maintained open source version—do suffer from timeouts and errors resulting from changes in the back-end application’s list of endpoints (think pods being added or removed).

Open Source 60

Open Source Vmware Disaster Recovery Linux 60

Scott Lowe

MARCH 23, 2017

Cossack Labs recently released Acra , a database encryption suite designed to protect applications against data leaks by providing strong encryption. Acra is open source and available via GitHub. Here’s a post outlining some of VMware’s more prominent open source projects in the “cloud-native” space. and vSphere.

Open Source 60

Open Source Storage Vmware Network 60

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. Continuing his focus on cloud-init , Luc Dekens has added four more articles to his site discussing this tool.

Open Source 60

Open Source Vmware Authentication Storage 60

Scott Lowe

MARCH 20, 2020

Guido Appenzeller—once my manager at VMware, now at Yubico—shared this article about the Cerberus banking trojan , which is apparently now able to steal two-factor authentication (2FA) tokens from the Google Authenticator application. Operating Systems/Applications. which brings support for v1alpha3).

Linux 60

Linux Vmware Authentication Storage 60

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

SEPTEMBER 24, 2021

Well, let’s see…stuff on Envoy, network automation, network designs, M1 chips (and potential open source variants!), Are open source M1-style chips a possibility? Operating Systems/Applications. Welcome to Technology Short Take #145! What will you find in this Tech Short Take?

Open Source 60

Open Source Cloud Network Storage 60

Scott Lowe

MAY 27, 2022

marks the first release of the open source container orchestration platform that is signed using Sigstore (more details here ). Operating Systems/Applications. For relevant storage news, I’d recommend having a look at J Metz’ Storage Short Take 42. Cloud Computing/Cloud Management.

Virtualization 79

Virtualization Storage Programming Network 79

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. I installed it to /Applications.

Open Source 137

Open Source Storage Security Guidelines 137

Scott Lowe

APRIL 15, 2022

Here’s a set of 15 principles for designing and deploying scalable applications on Kubernetes. Operating Systems/Applications. And it’s publicly available on GitHub , although not licensed with a typical open source license. Levent Ogut takes a deep dive into Kubernetes init containers.

Linux 74

Linux Load Balancer IPv6 Licensing 74

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

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. From there, you will learn how to deploy Prometheus to Kubernetes and configure Prometheus to monitor the cluster as well as applications deployed to it. Then this course is for you.

Linux 113

Linux Course Big Data Devops 113

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. Keybase discusses some challenges with encrypted chat applications and how their architecture avoids some of those challenges.

Vmware 60

Vmware Open Source Intel Applications 60

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. I’ll leave it to readers to come to their own conclusions. Virtualization.

Linux 60

Linux Dell Open Source Licensing 60

GeekWire

NOVEMBER 9, 2020

“Whether companies are pursuing space ventures of their own or maturing cutting-edge systems to one day offer a new service to NASA, the agency is dedicated to helping bring new capabilities to market for our mutual benefit.”. Northrop Grumman Space Systems) of Dulles, Va., Kent, Wash.-based Elementum 3D of Erie, Colo.,

Research 123

Research System Development Energy 123

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

The Verge

NOVEMBER 6, 2020

And if you’re worried about being able to run Windows applications — don’t. For all your other desktop software needs, there’s usually a free, open-source program that can do just as good a job. This is an image of the Mint operating system which you can use to run or install the operating system.

Linux 106

Linux Windows How To Operating Systems 106

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

DECEMBER 29, 2016

Kit Colbert shares 5 predictions for cloud-native applications in 2017. 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. Career/Soft Skills.

Vmware 60

Vmware Linux Open Source Data Center 60

Scott Lowe

DECEMBER 6, 2013

Operating Systems/Applications. While written for OS X, most of these tips apply to Linux or other Unix-like operating systems as well. “Captain KVM,” aka Jon Benedict, takes on the discussion of enterprise storage vs. open source storage solutions in OpenStack environments.

Vmware 60

Vmware Storage Linux Network 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. Bryan Culver explains how to use a monorepo (a repository containing multiple applications/services) of Docker images with make and GitHub Actions.

Storage 60

Storage Tools Architecture Network 60

Scott Lowe

MARCH 1, 2019

VyOS is an open source Linux-based network operating system.). Operating Systems/Applications. 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. Paul Fitzgerald shows how to use Hyper-V and Docker to build a VyOS 1.2.0

Operating Systems 60

Operating Systems Authentication Network Open Source 60

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. It provides the basics behind X.509v3 Plus, there are some handy openssl commands!

Storage 60

Storage Hardware Open Source Vmware 60

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. Sysdig explains PSPs, and talks about kube-psp-advisor , a tool to help simplify deploying PSPs.

Open Source 60

Open Source Tools Policies Cloud 60

Scott Lowe

OCTOBER 5, 2018

Sathyajith Bhat covers five open source tools for container security. Robert Verdam has a two-part series on deploying an application to AWS with Terraform and Ansible ( part 1 , part 2 ). The folks at Platform9 recently open-sourced a tool called etcdadm (inspired by kubeadm ). Operating Systems/Applications.

Hardware 60

Hardware Open Source Vmware Linux 60

Scott Lowe

MAY 25, 2017

Anthony Shaw has a good comparison of Ansible, StackStorm, and Salt (with a particular view at applicability in a networking context). Operating Systems/Applications. I was recently reviewing some articles on Git, the popular distributed version control system, and came across a few related posts. Virtualization.

Linux 60

Linux Open Source Network Vmware 60

Scott Lowe

MAY 25, 2017

Anthony Shaw has a good comparison of Ansible, StackStorm, and Salt (with a particular view at applicability in a networking context). Operating Systems/Applications. I was recently reviewing some articles on Git, the popular distributed version control system, and came across a few related posts. Virtualization.

Linux 60

Linux Open Source Network Vmware 60

Scott Lowe

JANUARY 14, 2016

This is a fascinating (to me, at least) paper on the implications of non-volatile storage on today’s data centers (and data center hardware). VMware open-sourced an identity and access management service called Lightwave ( project web site , GitHub repo ). Operating Systems/Applications. Servers/Hardware.

Vmware 60

Vmware Devops Storage Linux 60

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). Jason Edelman has posted a self-compiled list of networking projects that are open source ; this is a useful list, so thanks for compiling it Jason!

Open Source 60

Open Source Vmware Network IBM 60

Scott Lowe

APRIL 3, 2016

The examples Phil uses include StackWise, Virtual Switching System, and Virtual Port Channels. Alban Crequy has a post on using Linux queueing disciplines (qdiscs, for short) to help with testing application behavior under degraded network conditions. Operating Systems/Applications. Good stuff.

Vmware 60

Vmware Network Linux Hardware 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 What will happen when you combine GPUs and persistent storage? Operating Systems/Applications. Networking.

Vmware 60

Vmware Hardware Storage Linux 60

Scott Lowe

DECEMBER 8, 2016

Jake Bennett discusses strengthening your AWS security posture by protecting application credentials and rotating EC2 and IAM keys. I noted that a Vagrant provider for vRealize Automation was recently released as an open source project. Operating Systems/Applications. Servers/Hardware.

Vmware 60

Vmware Storage Intel Virtualization 60

Scott Lowe

MARCH 2, 2017

Skydive is (in the project’s own words) an “open source real-time network topology and protocols analyzer.” Operating Systems/Applications. Here’s a list of some open source Docker-related tools that developers may find useful. The HFT Guy” has returned with an update on Docker in production.

Linux 60

Linux Devops Open Source Virtualization 60

Scott Lowe

JANUARY 14, 2016

This is a fascinating (to me, at least) paper on the implications of non-volatile storage on today’s data centers (and data center hardware). VMware open-sourced an identity and access management service called Lightwave ( project web site , GitHub repo ). Operating Systems/Applications. Servers/Hardware.

Devops 60

Devops Vmware Storage Open Source 60