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AWS SAA vs. CLF – Can I skip one?

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OSPF Administrative Distance – How preferred is it

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Network Digital Twins Work Best in PowerPoint

A friend of mine sent me the following question a few months ago:

I thought you might know the best way (currently) to create a digital clone of parts of a production network? The objective is to test changes against a test network as part of a CI/CD process. Ideally, there would be an automation that could replicate selected parts of a production network in a test network.

TL&DR: Sounds great, but you might be solving the wrong problem.

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Network Digital Twins Work Best in PowerPoint

A friend of mine sent me the following question a few months ago:

I thought you might know the best way (currently) to create a digital clone of parts of a production network? The objective is to test changes against a test network as part of a CI/CD process. Ideally, there would be an automation that could replicate selected parts of a production network in a test network.

TL&DR: Sounds great, but you might be solving the wrong problem.

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Practical Python For Networking: 4.3 – SMS Alerting – First Example – Video

This lesson walks through the first example script for setting up SMS alerting. Course files are in a GitHub repository: https://github.com/ericchou1/pp_practical_lessons_1_route_alerts Eric Chou is a network engineer with 20 years of experience, including managing networks at Amazon AWS and Microsoft Azure. He’s the founder of Network Automation Nerds and has written the books Mastering Python […]

The post Practical Python For Networking: 4.3 – SMS Alerting – First Example – Video appeared first on Packet Pushers.

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Privacy And Networking Part 2: Legal And Ethical Privacy

Given the arguments from the first article in this series, if privacy should be and is essential—what does the average network engineer do with this information? How does privacy impact network design and operations? To answer this question, we need to look at two other questions. First, what is private information, precisely? The network carries […]

The post Privacy And Networking Part 2: Legal And Ethical Privacy appeared first on Packet Pushers.

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The Office of the Future Is All About Experience

Employee experience has now become the true north in office design and technology, and that will remain the case long after the pandemic has subsided.

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Practical Python For Networking: 4.2 – SMS Alerting – Python SDK And Environmental Variables – Video

This lesson describes how to install the Python SDK for Twilio so you can build SMS alerts. You can find the packages for this lesson in the GitHub repository that accompanies this course: https://github.com/ericchou1/pp_practical_lessons_1_route_alerts/tree/master/4_Packages Eric Chou is a network engineer with 20 years of experience, including managing networks at Amazon AWS and Microsoft Azure. He’s […]

The post Practical Python For Networking: 4.2 – SMS Alerting – Python SDK And Environmental Variables – Video appeared first on Packet Pushers.

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SD-WAN Is Not the Answer

SD-WAN addressed some of MPLS’s issues, but enterprises have struggled to realize the full potential of their large-scale SD-WAN networks. So what do we need instead?

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Everything Is Better with a GUI (even netlab)

Some people think that everything is better with Bluetooth (or maybe it’s AI these days). They’re clearly wrong; according to the ancient wisdom of product managers working for networking vendors, everything is better with a GUI.

Now imagine adding network topology visualizer and GUI-based device access with in-browser SSH to an intent-based infrastructure-as-code virtual network function labbing tool. How’s that for a Bullshit Bingo winner¹?

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Everything Is Better with a GUI (even netsim-tools)

Some people think that everything is better with Bluetooth. They’re clearly wrong; according to the ancient wisdom of product managers working for networking vendors, everything is better with a GUI.

Now imagine adding network topology visualizer and GUI-based device access with in-browser SSH to an intent-based infrastructure-as-code virtual network function labbing tool. How’s that for a Bullshit Bingo winner¹?

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Improving Application Environments in the Cloud

Running mission-critical applications in the cloud is possible with the right strategy and architecture.

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Deloitte and VMware announce cloud-services practice

Consulting giant Deloitte has expanded its long-standing partnership with VMware to create the Deloitte VMware Distributed Cloud (DVDC) practice, designed to help clients moderninze their applications and migrate to the cloud.Monty Bhatia, vice president of Global Systems Integrators at VMware said via email there are no new services or products coming from the alliance, just the creation of the practice within Deloitte, which brings in existing capabilities from Deloitte with a broader portfolio of VMware Cross-Cloud services. [ Get regularly scheduled insights by signing up for Network World newsletters. ]To read this article in full, please click here

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Creating a quick calculation function on Linux

Anytime you're planning to do a lot of calculations on a Linux system, you can use the power of bash to create a quick function and then use it repeatedly to do the calculations for you. In this post, we'll look at how this trick works and what you need to be aware of to ensure that your calculations are correct.Let's start with this mathematical function as an example:$ ? () { echo "$*" | bc ; } Troubleshooting your bash scripts in Linux   This command sets up a function that will pass the values and mathematical operators that you provide as arguments to the bc calculator command. Note that to call the function, you simply type a "?" followed by the arguments. In the first example below, the arguments are 1, followed by the multiplication character "*", followed by a 2, a "+" sign and a 3. The result is 5.To read this article in full, please click here

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Creating a quick calculation function on Linux

Anytime you're planning to do a lot of calculations on a Linux system, you can use the power of bash to create a quick function and then use it repeatedly to do the calculations for you. In this post, we'll look at how this trick works and what you need to be aware of to ensure that your calculations are correct.Let's start with this mathematical function as an example:$ ? () { echo "$*" | bc ; } Troubleshooting your bash scripts in Linux   This command sets up a function that will pass the values and mathematical operators that you provide as arguments to the bc calculator command. Note that to call the function, you simply type a "?" followed by the arguments. In the first example below, the arguments are 1, followed by the multiplication character "*", followed by a 2, a "+" sign and a 3. The result is 5.To read this article in full, please click here

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Microsoft shifts SONiC development to the Linux Foundation

The enhancement and adoption of SONiC, the open-source network operating system, could accelerate now that its development has been given over to the the Linux Foundation, experts say.Software for Open Networking in the Cloud had been overseen by Microsoft, which has now ceded that role to the Linux Foundation. [ Get regularly scheduled insights by signing up for Network World newsletters. ] The shift could result in the scale and use of the NOS grow as the foundation provides a trusted hub for over 450,000 developers to code, manage and advance open technology projects.To read this article in full, please click here

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Microsoft shifts SONiC network operating system development to the Linux Foundation

The enhancement and adoption of SONiC, the open-source network operating system, could accelerate now that its development has been given over to the the Linux Foundation, experts say.Software for Open Networking in the Cloud had been overseen by Microsoft, which has now ceded that role to the Linux Foundation. [ Get regularly scheduled insights by signing up for Network World newsletters. ] The shift could result in the scale and use of the NOS grow as the foundation provides a trusted hub for over 450,000 developers to code, manage and advance open technology projects.To read this article in full, please click here

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DMVPN vs MPLS VPN

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Deep dive on Ansible VScode extension

Ansible as part of the Red Hat Ansible Automation Platform continues to grow and mature. Recent enhancements include Ansible Content Collections, automation execution environments, and an increasing list of integrations using plugins and modules. It is more important than ever that both new and experienced content creators have access to tools that help them write better content faster. The newly created Ansible Devtools initiative focuses on developing and enhancing tools like ansible-navigator, Ansible VScode extension, ansible-lint and so on to help ease the Ansible automation content creator experience. In this blog, we will do a deep dive into the Ansible VSCode extension, giving an overview of how it works and the initial setup required to get it working after installation.

 

Evolution

The Ansible VSCode extension was initially a fork of Tomasz Maciążek’s VSCode extension. After the fork, the server and client-side code were decoupled into their own separate repositories to allow independent releases for both server and client.

1. Ansible language server
2. Ansible VSCode extension 

The Ansible Language Server is released as a node module on the npm repository, allowing it to be reused by other editors supporting language server protocol, while Continue reading

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Network Break 378: Barracuda Gets A New Owner; Intel Buys Ananki For Private 5G

Take a Network Break! This week we cover several acquisitions including Barracuda Networks being bought by KKR, SailPoint being picked up by Thoma Bravo, Perforce buying Puppet, and Intel snapping up Ananki to get into the private 5G market. Plus more tech news.