Linux Academy

APRIL 10, 2020

By now you’ve heard the stories that Microsoft loves Linux and fully embraces the open-source world. Microsoft, under Satya Nadella, has taken a new stance on open-source , which to some is a complete flip-flop from the Microsoft of the past. Deploy an Application on MicroK8s. Visual Studio Code.

Linux 143

Linux Open Source Groups Applications 143

Scott Lowe

DECEMBER 31, 2021

Kevin Swiber shows how to use Postman to deploy an application onto a Kubernetes cluster. Operating Systems/Applications. Filippo Valsorda speculates on how open source maintainers need to evolve into professional maintainers. LaunchBar is, in my opinion, an extremely useful macOS application. Virtualization.

Open Source 94

Open Source Virtualization Applications Security 94

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. Virtualization.

Open Source 105

Open Source Load Balancer WAN Architecture 105

Scott Lowe

MAY 27, 2022

network virtualization). Is the relationship between network virtualization and service mesh closer than some folks might wish to admit? marks the first release of the open source container orchestration platform that is signed using Sigstore (more details here ). Operating Systems/Applications. Virtualization.

Virtualization 79

Virtualization Storage Programming Network 79

Scott Lowe

DECEMBER 9, 2022

Ricardo Sueiras captured some great links on open source at AWS in this newsletter. Operating Systems/Applications. It would seem that macOS 13 “Ventura” has introduced some problems with USB storage; these problems crop up when working with Raspberry Pi systems. Virtualization. Programming.

Devops 87

Devops Virtualization Engineering Storage 87

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. Virtualization. Think again.

Vmware 74

Vmware Linux Storage Virtualization 74

CTOvision

FEBRUARY 18, 2015

Hadoop offers petabytes of data storage and can handle multiple workloads. Access security requirements define what individual users and applications can do with the data they receive. The goal is to provide unified authorization for all Hadoop services and third-party applications (such as Spark, Pig, MR, BI Tools, etc).

Big Data 150

Big Data Security Data Authentication 150

Galido

APRIL 27, 2020

However, even though the project was promising, in 2015, Google released this tool as an open-source project. This tool automates deploying, scaling, and managing containerized applications on a cluster of servers (virtual or bare metal). Is deploying Kubernetes a good idea for you? Great industry support and community.

Load Balancer 94

Load Balancer Tools Applications Open Source 94

CIO Business Intelligence

JANUARY 19, 2024

You need to be skilled in deploying and managing resources, managing identities and governance, implementing and managing storage, and configuring and managing virtual networks. The exam tests your knowledge of and ability to integrate machine learning into various tools and applications.

Data 126

Data Big Data Programming IBM 126

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. Virtualization.

Open Source 60

Open Source Load Balancer WAN Architecture 60

Cloud Musings

NOVEMBER 20, 2016

Knowing this, the Openstack Interop Challenge looks toward cultivating success by leveraging the open source cloud technology as a common integration layer. He believes that applications can be built to be interoperable across different infrastructure platform.

Cloud 107

Cloud IBM Applications Architecture 107

Scott Lowe

JANUARY 27, 2023

This article by Brian Caffey on deploying the same web application on ECS Fargate using three different IaC tools (CDK, Terraform, and Pulumi) has some really great and useful information in it. Operating Systems/Applications Dewan Ahmed has a great run-down on options for documentation-as-code. Well worth reading, in my opinion.

Programming 90

Programming Open Source Cloud Devops 90

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

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

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

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

Linux Academy

APRIL 30, 2019

You learn the basic knowledge of computer hardware, gain an understanding of open-source applications in the workplace, and learn to navigate systems on a Linux desktop, as well as rudimentary commands to navigate the Linux command line. This course will dive into LXC (LinuX Containers) and its container manager, LXD.

Linux 113

Linux Course Big Data Devops 113

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 Virtualization.

Vmware 60

Vmware Storage Linux Network 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. 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

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

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

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. Jim Jones has an article on getting started with S3-compatible object storage.

Storage 79

Storage Hardware Policies Open Source 79

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

JUNE 9, 2014

the commercial entity behind the incredibly popular open source Docker project, is taking this opportunity to make its move. A key part of Docker Hub is Official Repositories; these are “Dockerized” applications that are maintained, supported, and available to all Docker Hub users. Virtualization Short Take #13.

Virtualization 60

Virtualization Linux Applications Open Source 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. used across a variety of programs/languages.

Course 104

Course Linux Devops Big Data 104

Scott Lowe

APRIL 15, 2022

Here’s a set of 15 principles for designing and deploying scalable applications on Kubernetes. Operating Systems/Applications. Virtualization. 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

Scott Lowe

JUNE 20, 2016

Using eBPF, Plumgrid has created in-kernel virtual network functions (VNFs) that do things like bridging, routing, network address translation (NAT), and firewalling. I guess I can’t fully escape my time spent in the world of storage; I’d also been asked to stop by the booth for StorageOS , a new “software-defined storage” startup.

Meeting 60

Meeting Linux Storage Network 60

Scott Lowe

DECEMBER 29, 2016

Kit Colbert shares 5 predictions for cloud-native applications in 2017. Operating Systems/Applications. Jase McCarty talks about how to backup or recover storage policy-based management (SPBM) profiles. Virtualization. Ben Thompson has an in-depth analysis of how Google is challenging AWS. Neat trick! Career/Soft Skills.

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). Jake Bennett discusses strengthening your AWS security posture by protecting application credentials and rotating EC2 and IAM keys.

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.” I just noticed this article about using Nova flavor extra-specs to pass QoS data down to the virtualization layer. Operating Systems/Applications. Virtualization. Thinking of virtualizing Linux on Hyper-V?

Linux 60

Linux Devops Open Source Virtualization 60

Scott Lowe

NOVEMBER 7, 2014

I really appreciate Jay’s focus on what’s beneficial to the users of OpenStack: the cloud operators, the end users/consumers, and the developers building applications on top of OpenStack. Operating Systems/Applications. Virtualization. of the Microsoft Virtual Machine Converter will keep popping up.

Vmware 69

Vmware Linux Storage Virtualization 69

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

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

Dataconomy

NOVEMBER 7, 2023

This is natural in today’s world where data is more valuable than gold because every information is now in the virtual environment and there is nothing that black hat hackers will not do to obtain it. ZIP files are often used to reduce the size of files for easier storage or transmission. What is a Zip bomb?

Firewall 41

Firewall Applications Examples Load Balancer 41

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

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. Operating Systems/Applications. Virtualization. Congrats, Isovalent team! I’m glad to see this. Good stuff!

Linux 60

Linux Vmware Open Source Examples 60

Scott Lowe

AUGUST 29, 2016

Poonen re-iterates VMware’s vision of “any cloud, any device, any application,” focusing primarily on Workspace ONE and the broad ecosystem that has formed/is forming around Workspace ONE. Hindawi shows off using TrustPoint to examine applications installed across systems based on certain criteria, doing this in near real-time.

Vmware 60

Vmware Open Source Applications Video 60