OpenStack Liberty Enhances Open Source Cloud Networking, Containers
Data Center Knowledge
OCTOBER 16, 2015
Open source cloud operating system's newest release adds networking features, Big Tent governance, and more Read More.
Cloud Network Open Source Operating Systems 
How to manage cloud exploitation at the edge
CIO Business Intelligence
JULY 17, 2023
Small- and medium-sized businesses and enterprises have accelerated their move into the cloud since the global pandemic. The Infrastructure-as-a-Service (IaaS) cloud computing model enables remote working, supports digital transformation, provides scale, increases resilience, and can reduce costs. Watch on-demand here.
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5 open source security tools too good to ignore
Network World
FEBRUARY 21, 2017
Open source is a wonderful thing. A significant chunk of today’s enterprise IT and personal technology depends on open source software. But even while open source software is widely used in networking, operating systems, and virtualization, enterprise security platforms still tend to be proprietary and vendor-locked.
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Technology Short Take 173
Scott Lowe
JANUARY 19, 2024
Networking This article on running WireGuard in Docker may prove useful if that’s an approach I decide to adopt for my AWS lab infrastructure. Russ White laments some of the issues facing network engineering. Tom Hummel finds himself veering back into a hardware-based home lab (instead of a cloud-based lab).
Open Source 101
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Technology Short Take 175
Scott Lowe
FEBRUARY 23, 2024
Here’s your weekend reading—a collection of links and articles from around the internet on a variety of data center- and cloud-related topics. Networking The good folks over at Packet Pushers have compiled a list of open source networking projects. Michael Levan insists that cloud-native is in shambles.
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Four Attributes of Openness in Modern Communications
CTOvision
DECEMBER 17, 2013
By Prayson Pate Openness is one of the most-cited advantages of cloud-based applications, Software-Defined Networking (SDN) and Network Functions Virtualization (NFV). In this context, what does open really mean? A Milestone – Open Source. One might argue that Linux is open but not standardized.
Open Source 269
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Technology Short Take 176
Scott Lowe
MARCH 15, 2024
Networking Lee Briggs (formerly of Pulumi, now with Tailscale) shows how to use the Tailscale Operator to create “free” Kubernetes load balancers (“free” as in no additional charge above and beyond what it would normally cost to operate a Kubernetes cluster). Thanks for reading!
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American Airlines Adopts Public Cloud Computing
Cloud Musings
JUNE 29, 2017
Did you know that the reservations systems of the biggest carriers mostly run on a specialized IBM operating system known as Transaction Processing Facility (TPF). In a recent announcement the carrier said that it will be moving it’s its customer-facing mobile app and their global network of check-in kiosks to the IBM Cloud.
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Technology Short Take 161
Scott Lowe
OCTOBER 28, 2022
Networking. Ivan Pepelnjak addresses the idea that network automation is harmful. I believe that IT folks in all disciplines, including networking, need to embrace automation. Cloud Computing/Cloud Management. The open source ko project has applied to become a CNCF Sandbox project. Virtualization.
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What is Virtual Network Computing (VNC)?
Dataconomy
APRIL 13, 2023
Virtual Network Computing (VNC) is a technology that has revolutionized the way we access and control remote computers. In this article, we will delve deeper into the world of Virtual Network Computing, exploring its history, technology, and various applications. What is Virtual Network Computing (VNC)?
The location intelligence challenge of ensuring public safety
TM Forum
JANUARY 31, 2022
Typical sources vary from cloud sources (web and mobile apps) to communication networks (mobile and WiFi). The reality is that all sources of location data need to be consolidated to provide the best picture for location analytics. Location data from cloud sources. Creativity-oftware.png.
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An Edge Vision for the Metaverse
CIO Business Intelligence
AUGUST 25, 2022
What’s different now is that the concept of what will comprise a network node is changing rapidly, along with the number of interconnected devices. Operating Systems for the edge. Separating system and application spaces is already gaining followers for immutable Linux operating systems – even in consumer devices.
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Technology Short Take 164
Scott Lowe
JANUARY 27, 2023
I’ve got another collection of links to articles on networking, security, cloud, programming, and career development—hopefully you find something useful! Networking William Morgan’s 2022 service mesh recap captures some of the significant events in service mesh in 2022, although through a Linkerd-colored lens.
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90 Technology Short Take 150
Scott Lowe
DECEMBER 31, 2021
Networking. Ivan Pepelnjak has a post on running network automation tools in a container. Tom Hollingsworth likens networking disaggregation to “cutting the cord” and switching away from cable. Cloud Computing/Cloud Management. Operating Systems/Applications. Bring on the content!
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Technology Short Take 170
Scott Lowe
SEPTEMBER 8, 2023
So, here you go—here’s your latest collection of links from around the internet focused on data center and cloud-related technologies. Networking Brent Salisbury shares some code intended to help you “ChatGPT your project documentation.” Michael Kashin has a good post on source IP address selection in Linux.
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Technology Short Take 165
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
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Technology Short Take 143
Scott Lowe
AUGUST 6, 2021
Networking. Back in April of this year, Patrick Ogenstad announced Netrasp , a Go package for writing network automation tooling in Go. I saw this blog post about Curiefense , an open source Envoy extension to add WAF (web application firewall) functionality to Envoy. Cloud Computing/Cloud Management.
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Technology Short Take 162
Scott Lowe
DECEMBER 9, 2022
Networking. With this announcement of Cilium support within AKS, Cilium is now available in managed Kubernetes offerings across all three major cloud providers. This article provides a few practical examples of how using VPC Endpoints to reduce network traffic moving through NAT Gateways can help save money.
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Critical Xen hypervisor flaw endangers virtualized environments
Network World
APRIL 5, 2017
A critical vulnerability in the widely used Xen hypervisor allows attackers to break out of a guest operating system running inside a virtual machine and access the host system's entire memory. The new vulnerability affects Xen 4.8.x, x, and 4.4.x x and has existed in the Xen code base for over four years.
(Lack of) Patch Management Highlighted in US Congress
Cloud Musings
MARCH 9, 2018
According to the former Equifax CEO’s testimony to Congress , one of the primary causes of this now infamous data breach was the company’s failure to patch a critical vulnerability in the open source Apache Struts Web application framework. Equifax also waited a week to scan its network for apps that remained vulnerable. [1]
Best IT and Tech Blogs – Must Read Information Technology Resources 2019
Galido
MARCH 19, 2019
These areas of IT include general IT and technology, security, IT feeds, cloud computing, data center, mobile, social media, tips and tricks, virtualization, and operating system and software blogs. Cloud Computing & Data Center IT Blogs. You’ll find everything from supercomputers to personal cloud articles on DCK.
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Technology Short Take 151
Scott Lowe
JANUARY 21, 2022
Networking. Chris Evans revisits the discussion regarding Arm processor architectures in the public cloud. And, speaking of Arm processor architectures in the public cloud, here’s another look at Amazon’s Graviton2 and Graviton3 chips, as discussed in a pair of re:Invent talks. Cloud Computing/Cloud Management.
Free Cloud Courses at Linux Academy — July 2019
Linux Academy
JUNE 25, 2019
By adding free cloud training to our Community Membership, students can develop their Linux and Cloud skills even further. Cloud Security Fundamentals. The cloud has brought about tons of innovation and features. Serverless has been gaining momentum as cloud technology continues to become more widespread.
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Technology Short Take 111
Scott Lowe
MARCH 1, 2019
I’m a couple weeks late on this one; wanted to publish it earlier but work has been keeping me busy (lots and lots of interest in Kubernetes and cloud-native technologies out there!). Networking. Daniel Dib has a great article on how network engineers need to evolve. Cloud Computing/Cloud Management.
Weekly Update 6-3-2019
Linux Academy
JUNE 3, 2019
Normally, when it comes to running an application from the cloud, you have to deal with setting it all up, which can take hours, days, or even weeks. You have to launch the virtual servers, which means you need to: Choose an operating system. Install software packages. Configure auto-scaling with load balancers.
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Scott Lowe
DECEMBER 27, 2019
Networking. Cloud Computing/Cloud Management. Ahmet Alp Balkan talks about how the Knative Serving component addresses some key networking challenges within Kubernetes. Seth Vargo walks through how to use Terraform to setup and configure a Google Cloud Run service. Operating Systems/Applications.
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Technology Short Take 136
Scott Lowe
JANUARY 15, 2021
Networking. The popular open source cryptography library known as Bouncy Castle has uncovered a severe authentication bypass vulnerability. Cloud Computing/Cloud Management. Heidi Howard and Ittai Abraham illustrate some of the challenges of the Raft consensus protocol when there is a network partition.
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Technology Short Take 141
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. Networking. The first is a post on Cilium and F5 load balancer integration , while the second discusses implementing Kubernetes network policies with Cilium and Linkerd.
Vmware 60
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Technology Short Take 157
Scott Lowe
JULY 22, 2022
Networking. Cloud Computing/Cloud Management. Operating Systems/Applications. Good to see VMware finally add support for cloud-init , the de facto standard in public cloud environments for quite some time. Interested in understanding how NAT Traversal works? Career/Soft Skills.
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Scott Lowe
MAY 27, 2022
Networking. network virtualization). Is the relationship between network virtualization and service mesh closer than some folks might wish to admit? now has a follow-up exploit that exposes Aruba and Avaya network switches to remote code execution. Cloud Computing/Cloud Management. I certainly hope not!
Technology Short Take 143
Scott Lowe
AUGUST 6, 2021
Networking. Back in April of this year, Patrick Ogenstad announced Netrasp , a Go package for writing network automation tooling in Go. I saw this blog post about Curiefense , an open source Envoy extension to add WAF (web application firewall) functionality to Envoy. Cloud Computing/Cloud Management.
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Technology Short Take 112
Scott Lowe
APRIL 19, 2019
Networking. Part 2 of Stark and Wayne’s container-to-container networking for Cloud Foundry and Kubernetes dig deep into CNI workings. Milind Gunjan shares some tips for troubleshooting Linux bridged networking on a KVM host. This article discusses four open source secrets management tools.
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60 What’s Free at Linux Academy — May 2019
Linux Academy
APRIL 30, 2019
By adding free cloud training to our Community Membership, students have the opportunity to develop their Linux and Cloud skills further. LPI Linux Essentials — This course teaches the basic concepts of processes, programs, and the components of the Linux operating system. Courses Free in May.
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113 Tech Blogs – Best Must Read Tech Resources 2019
Galido
MAY 1, 2019
These areas of tech include general IT and technology, security, IT feeds, cloud computing, data center, mobile, social media, tips and tricks, virtualization, and operating system and software blogs. Cloud Computing & Data Center Tech Blogs. Building Clouds. CIO Dashboard. IT News from IDG.
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Best Tech Blogs – Must Read Tech Resources 2019
Galido
MARCH 22, 2019
These areas of tech include general IT and technology, security, IT feeds, cloud computing, data center, mobile, social media, tips and tricks, virtualization, and operating system and software blogs. Cloud Computing & Data Center Tech Blogs. Building Clouds. CIO Dashboard. IT News from IDG.
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107 The Hacker Mind Podcast: EP 69 Self-Healing Operating Systems
ForAllSecure
APRIL 19, 2023
It’s time to evolve beyond the UNIX operating system. So while I was editing this podcast on self-healing operating systems, I was reminded of an article that I never finished for Fobes.com. It’s a radical rethinking of how we even view our current choices of UNIX-derived operating systems.
Technology Short Take #83
Scott Lowe
MAY 25, 2017
Networking. I enjoyed Dave McCrory’s series on the future of the network (see part 1 , part 2 , part 3 , and part 4 —part 5 hadn’t gone live yet when I published this). Michael Kashin has a handy little tool that functions like ssh-copy-id on servers, but for network devices (leveraging Netmiko). Operating Systems/Applications.
Linux 60
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Technology Short Take #83
Scott Lowe
MAY 25, 2017
Networking. I enjoyed Dave McCrory’s series on the future of the network (see part 1 , part 2 , part 3 , and part 4 —part 5 hadn’t gone live yet when I published this). Michael Kashin has a handy little tool that functions like ssh-copy-id on servers, but for network devices (leveraging Netmiko). Operating Systems/Applications.
Linux 60
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Technology Short Take 105
Scott Lowe
OCTOBER 5, 2018
Networking. Brian Boucheron provides a great article on how to inspect and debug Kubernetes network primitives. Sathyajith Bhat covers five open source tools for container security. Cloud Computing/Cloud Management. The folks at Platform9 recently open-sourced a tool called etcdadm (inspired by kubeadm ).
Hardware 60
60 Technology Short Take 93
Scott Lowe
JANUARY 19, 2018
Networking. Matt Klein breaks down service mesh components , using terms networking professionals know well, like “data plane” and “control plane.” ” Those familiar with networking concepts will identify well with the ideas in this article, I think. Cloud Computing/Cloud Management.
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60 Free Courses at Linux Academy – November 2019
Linux Academy
NOVEMBER 1, 2019
To continually support your mission to learn and grow, we are always adding new, free courses and resources for developing Linux and Cloud skills. This course also covers container networking including inter-container communication, managing container networks, and exposing container ports on the host. Free Essentials Courses.
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Technology Short Take 113
Scott Lowe
MAY 3, 2019
Networking. 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. Via BlueCat Networks, John Capobianco shares his network automation journey.
Vmware 60
60 Technology Short Take #80
Scott Lowe
MARCH 23, 2017
Networking. Biruk Mekonnen has an introductory article on using Netmiko for network automation. Gabriele Gerbino has a nice write-up about Cisco’s efforts with APIs ; his article includes a brief description of YANG data models and a comparison of working with network devices via SSH or via API. Cloud Computing/Cloud Management.
Open Source 60
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Technology Short Take #60
Scott Lowe
JANUARY 28, 2016
Networking. The rise of Linux in importance in the networking industry continues, with Arista announcing enhancements to Arista EOS to support—among other things—Docker containers. See this SDx Central article or this Network World article for more details.). Cloud Computing/Cloud Management. Per the README.md
Vmware 60
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