Linux Academy

APRIL 29, 2019

By adding free cloud training to our Community Membership, students have the opportunity to develop their Linux and Cloud skills further. Each month, we will kick off our community content with a live study group allowing members of the Linux Academy community to come together and share their insights in order to learn from one another.

Linux 60

Linux Course Big Data Devops 60

The Verge

DECEMBER 8, 2020

It’s unique because it’s not based on a Linux kernel; instead, it uses a microkernel called Zircon. It’s also unique because, despite being developed “in the open” on publicly browsable repositories, nobody really understands what the OS is for, and Google executives have been remarkably coy about it all. Image: Google.

Google 122

Google Operating Systems Open Source Linux 122

Scott Lowe

NOVEMBER 25, 2020

Open source has become so critical to so many aspects of our computing infrastructure. Uh oh… more hardware exploits. It’s a bit of a whirlwind introduction, but Eric also supplies some practical use cases/examples towards the end of the article. I’m glad to see this. Good stuff here! Good stuff!

Linux 60

Linux Vmware Open Source Examples 60

Linux Academy

JUNE 4, 2019

The Serverless Framework is an open-source project that replaces traditional platforms (hardware, operating systems) with a platform that can run in a cloud environment. Your programming language and backend database are similar examples, proving you’re never going to be completely free from some sort of commitment.

Linux 92

Linux Cloud Architecture Open Source 92

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. Servers/Hardware. Cabling is hardware, right? Ulrich Speidel shares some of the findings after the volcanic eruption in Tonga.

Linux 74

Linux Load Balancer IPv6 Licensing 74

Scott Lowe

OCTOBER 5, 2018

Servers/Hardware. The big news in the hardware space recently was the article regarding the purported Chinese hardware supply chain attack. Of the (innumerable) articles commenting on the hardware hack, this article by Joe FitzPatrick and this ErrataSec article caught my eye. This has generated a lot of discussion.

Hardware 60

Hardware Open Source Vmware Linux 60

Scott Lowe

DECEMBER 27, 2019

Servers/Hardware. Cole Atkinson discusses the fact that osxfuse is no longer open source , and the ramifications of this development on open source in general. I recently spotted Multipass , a virtualization solution for working with Linux instances. Networking. Career/Soft Skills.

Open Source 60

Open Source Vmware Authentication Storage 60

Scott Lowe

JANUARY 28, 2016

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. As a partial counterpoint to the increased use/visibility of Linux in the networking industry, check out Ivan’s take on Dell’s OS10 announcement. Servers/Hardware.

Vmware 60

Vmware Linux Open Source Devops 60

Scott Lowe

NOVEMBER 7, 2014

It was good to read this post on Cumulus Linux first impressions by Jeremy Stretch. I’m a fan of Cumulus, but I’m admittedly a Linux guy (see here ) so you might say I’m a bit biased. Jeremy is a “hard-core” networking professional, and so hearing his feedback on Cumulus Linux was, in my opinion, useful.

Vmware 87

Vmware Linux Storage Virtualization 87

Scott Lowe

MAY 27, 2022

Servers/Hardware. marks the first release of the open source container orchestration platform that is signed using Sigstore (more details here ). Bashayr Alabdullah provides an example of building your own admission controllers in Kubernetes using Go. network virtualization). Cloud Computing/Cloud Management. Programming.

Virtualization 79

Virtualization Storage Network Programming 79

Scott Lowe

FEBRUARY 28, 2022

Components involved include the open source Kuma service mesh (in turn leveraging Envoy), anycast BGP, and mutual TLS (mTLS). Servers/Hardware. William Lam takes a look at some potentially interesting homelab hardware. Rory McCune writes about a CVE in the Linux kernel that could allow for container escape in Kubernetes.

Storage 79

Storage Hardware Policies Open Source 79

Scott Lowe

JANUARY 28, 2016

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. As a partial counterpoint to the increased use/visibility of Linux in the networking industry, check out Ivan’s take on Dell’s OS10 announcement. Servers/Hardware.

Vmware 60

Vmware Open Source Linux Devops 60

SPF13

MARCH 20, 2015

In the last few years open source has transformed the software industry. From Android to Wikipedia, open source is everywhere, but how does one succeed in it? What Every Successful Open Source Project Needs. Open Source Companies • Redhat $13B • Cloudera $3B • MongoDB $1.6B • Docker $.5B

Open Source 100

Open Source Linux Software Software 100

Scott Lowe

MARCH 17, 2016

At DevOps Networking Forum 2016, I had the opportunity to share a presentation on some Linux networking options. Matt Oswalt recently unveiled (and open sourced) a framework called ToDD, which stands for “Testing on Demand: Distributed”. Servers/Hardware. Have fun reading! Networking. Read more about it here.

Vmware 60

Vmware Linux Network Open Source 60

Scott Lowe

MARCH 2, 2017

Skydive is (in the project’s own words) an “open source real-time network topology and protocols analyzer.” OK, now that I’ve mentioned Skydive, I can talk about this article that provides an example of functional SDN testing with Terraform and Skydive. Servers/Hardware. Thinking of virtualizing Linux on Hyper-V?

Linux 60

Linux Devops Open Source Virtualization 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). Servers/Hardware. Nir Yechiel posted an article on using the Cumulus VX QCOW2 image with Fedora and KVM.

Vmware 60

Vmware Devops Storage Linux 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 Thinking of using a hardware VTEP (VXLAN Tunnel Endpoint) with VMware NSX? Servers/Hardware. Welcome to Technology Short Take #70!

Vmware 60

Vmware Hardware Storage Linux 60

Scott Lowe

DECEMBER 6, 2013

Ivan does a great job of describing the difference between the management, control, and data planes, as well as providing examples. Here’s a good source. Servers/Hardware. While written for OS X, most of these tips apply to Linux or other Unix-like operating systems as well. Networking. Any thoughts?

Vmware 60

Vmware Storage Linux Network 60

Scott Lowe

OCTOBER 14, 2017

Speaking of VPCs and subnets, here’s an example of a Terraform module for a VPC with public, private, and internal subnets (similar to the article in the previous bullet). No worries, Calvin Hendryx-Parker has an example of building AWS VPCs with SaltStack formulas. Servers/Hardware. Prefer SaltStack to Terraform?

Load Balancer 60

Load Balancer Vmware Hardware Open Source 60

Scott Lowe

MAY 4, 2017

Practical examples like this have really helped me better understand YANG and its relationship to structured data you might exchange with a device or service. Mircea’s right—bugs will happen in all software (VMware NSX has had its share, for example), but the key is in how it’s handled. Servers/Hardware. Highly recommended!

Vmware 60

Vmware Storage Network Examples 60

Scott Lowe

JUNE 25, 2021

of the open source Kuma service mesh, and along with it a corresponding version of kumactl , the command-line utility for interacting with Kuma. The same goes for users of Linux distributions running on Intel-based hardware.) In my example, this meant I had both a 1.1.6 This will remove the earlier version.

Backup 60

Backup Intel Open Source Linux 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). Servers/Hardware. Nir Yechiel posted an article on using the Cumulus VX QCOW2 image with Fedora and KVM.

Devops 60

Devops Vmware Storage Open Source 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. Servers/Hardware. 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.

Vmware 60

Vmware Linux Architecture Hardware 60

Scott Lowe

MARCH 23, 2017

It’s short and light on details, but it does provide an example snippet of Python code to illustrate what can be done with Netmiko. Servers/Hardware. 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.

Open Source 60

Open Source Storage Vmware Network 60

Data Center Knowledge

JULY 23, 2013

Fusion-io Accelerates Flash Apps With Open Source Contributions. Fusion-io Accelerates Flash Apps With Open Source Contributions. Amazon has cut prices for dedicated EC2 instances – an instance on single-tenant hardware that is particularly attractive to enterprise customers. By: John Rath July 23rd, 2013.

Open Source 177

Open Source Data Center Storage Disaster Recovery 177

Scott Lowe

SEPTEMBER 3, 2014

To help resolve this issue, Cumulus Networks (and possibly Metacloud, I’m not sure of their involvement yet) has release an open source project called vxfld. Servers/Hardware. Running Hyper-V with Linux VMs? Ben Armstrong details what versions of Linux support the various Hyper-V features in this post.

Linux 60

Linux Vmware Network Disaster Recovery 60

Scott Lowe

APRIL 27, 2018

Cilium, the open source project working to bring eBPF-powered networking and security to Kubernetes environments, has hit the 1.0 Servers/Hardware. VMware has released a PowerCLI preview/fling for NSX-T; Kyle Ruddy has a write-up here. I will freely admit that I am a fan of what the Cilium folks are doing.

Vmware 60

Vmware Storage Open Source Security 60

ForAllSecure

DECEMBER 17, 2021

As I produce this episode, there's a dangerous new vulnerability known informally as Log4Shell, it’s a flaw in an open source Java logging library developed by the Apache Foundation and, in the hands of a malicious actor, could allow for remote code injection. Vamosi: The idea behind Open Source is great.

Open Source 52

Open Source Software Software Applications 52

Scott Lowe

MAY 11, 2018

Servers/Hardware. ” While the post is clearly Sysdig-oriented (as would be fully expected), it’s also cool to see how powerful the assembly of various open source projects can be. Thomas Graf explains why the Linux kernel community is replacing iptables with BPF. Sorry, I don’t have anything for you.

Network 60

Network Virtualization Open Source Vmware 60

Scott Lowe

AUGUST 8, 2014

It would be great to see Docker get support for connecting containers directly to Open vSwitch (OVS), which is generally considered the de facto standard for networking on Linux hosts. Jason Horn provides an example of how to script NSX security groups. Interested in setting up overlays using Open vSwitch (OVS)?

Vmware 60

Vmware Linux Virtualization Network 60

ForAllSecure

APRIL 22, 2021

When I started writing my first book when gadgets betray us, IoT was still known as hardware hacking, or embedded security. There's a smart IoT enabled toothbrush for example, I mean, a toothbrush is a stick with bristles. Vamosi: The book Practical IoT Hacking is full of useful examples. And then there's this other example.

Internet 52

Internet Research Security Tools 52

ForAllSecure

APRIL 22, 2021

When I started writing my first book when gadgets betray us, IoT was still known as hardware hacking, or embedded security. There's a smart IoT enabled toothbrush for example, I mean, a toothbrush is a stick with bristles. Vamosi: The book Practical IoT Hacking is full of useful examples. And then there's this other example.

Internet 52

Internet Research Security Tools 52

Scott Lowe

OCTOBER 23, 2013

with the Floodlight open source controller. Servers/Hardware. Puppet code examples are available here. It’s kind of funny: I was doing a bit of reading on ZeroVM , a new open source lightweight hypervisor, trying to understand where it fits in the overall virtualization space.

Vmware 60

Vmware Network Virtualization Storage 60

CIO Business Intelligence

JULY 23, 2024

For example, it is estimated that over half of Fortune 500 companies use its security products. Linux and MacOS machines using CrowdStrike were unaffected, according to the company. What has been the impact of the CrowdStrike outage? The flawed update only impacted machines running Windows. How has CrowdStrike responded?

Windows 135

Windows Healthcare System Operating Systems 135

ForAllSecure

APRIL 19, 2023

It manages all the hardware and all the software on a system. So what do we mean by managing all the hardware? That program, then, handled all the issues of hardware and software. For example, you’d need several different systems, each running just one program, to accomplish a task. And software? Doesn't matter.

Operating Systems 40

Operating Systems System Open Source Applications 40

Scott Lowe

APRIL 17, 2017

Shifting gears a bit, Golub talks a bit more about the changes over the last 3 years in regards to Docker (the open source project) itself. Hykes goes on to provide some examples of this process. The first example he mentioned is that container images are too big. LinuxKit is a lean, portable, and secure Linux subsystem.

Linux 60

Linux Open Source Windows Security 60

ForAllSecure

FEBRUARY 22, 2023

So I don't usually split that out and just say like the apps running on your phone, for example, are all compiled and built specifically for your phone and your CPU on that phone and to turn it back into something that humans can understand. WIENS : currently, but for example, Python is not compiled to binary. IT was called Badger.

Engineering 40

Engineering Tools Software Software 40