Up and Running with Kubernetes
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This document provides an introduction and overview of Kubernetes. It begins with introducing the presenter and their background. It then covers the history and origins of Kubernetes at Google, provides a definition and explanation of Kubernetes and some of its key features like container orchestration, horizontal scaling, rolling deployments and rollbacks, self-healing, and service discovery. It demonstrates Kubernetes concepts like pods, deployments, services and how they relate. It also briefly mentions some advanced Kubernetes topics before opening for questions.
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In this talk, Lili will explain what operators are in the context of Kubernetes and present the different tools out there to create and maintain operators over time. She will end by demoing the building of an operator from scratch, and also using the helper tools available out there.
Continuous Delivery the hard way with Kubernetes
This talk shows three increasingly advanced levels of continuous delivery with Kubernetes and GitLab (as an example), arguing for a continuous delivery architecture which has an explicit _Release Manager_ component. We then propose Flux, the open source project which powers the _Deploy_ feature of Weave Cloud, as an implementation of that idea. This approach is the precursor to GitOps.
Scale out, with Kubernetes (k8s)
Presentation is in english, besides first slide. In presentation I represented basics concepts from docker and kubernetes, each part ends with short example. On my github: https://github.com/arekborek/k8s-jdd you can find additional information.
Continuous Delivery the Hard Way with Kubernetes
The document discusses continuous delivery of software to Kubernetes using various tools. It proposes three architectures (V1, V2, V3) to connect version control, CI/CD systems, container registries, and Kubernetes. V3 introduces a "release manager" to decouple code versions from deployments, automate configuration updates, and allow rollbacks without pushing new code. The release manager watches for image changes, commits configuration updates, and controls deployments based on release policies for each environment.
A Primer on Kubernetes and Google Container Engine
Docker and other container technologies offer the promise of improved productivity and portability. Kubernetes is one of the leading cluster management systems for Docker and powers the Google Container Engine managed service.
-A review of key Linux container concepts
-The role of Kubernetes in deploying Docker-based applications
-Primer on Google Container Service
-How RightScale works with containers and clusters
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More from Rory Preddy
Programming for accessibility
My life is a hilarious roller coaster of miss-intended programming bugs because at 4 foot tall and 65 kilograms I completely fall off your radar.
What did my scale call me! Why does facial recognition see me as a child? These are all valid questions I often ask myself as I navigate my weird and different world. Have you heard the phrase “You have to be this tall for Micro-services”? well, what about: “You have to be this tall to operate a mobile phone?”. I am finding it harder and harder to reach any button except for “#” and “9”.
Building accessibility into the planning stages of programming can eliminate barriers for participation and create an inclusive environment for people with disabilities. Programming for diversity serves as an unquestionable indicator that your software embraces the diversity of your users and cares about their safety and comfort.
Join me on a fascinating and thought-provoking look at how you can program for accessibility.
Whats new in .net for 2019
The document discusses updates and changes in .NET. It recommends developing new applications on .NET Core, which is more modern and cross-platform than the .NET Framework. It provides guidance on migrating existing desktop and web applications to .NET Core, including leveraging .NET Standard for shared business logic. It also outlines new features in C# 8.0 like nullable reference types, asynchronous streams, and default interface implementations.
Whats new in .NET for 2019
Microsoft advises that .NET Core 3.0 is the future of the ecosystem and that programmers should use it for all new development projects. They’re making a ton of innovative changes to .NET Core, adding more workloads, helping you in your applications, be more productive, quicker, faster and better. In this presentation we look forward to what's new in .NET and C# for 2019
Getting started with Firebase
Many apps nowadays come with static content that is loaded on demand and not built into the app.
For this type of content Google Firebase provides a hosting solution called Firebase Hosting.
Firebase hosting gives you a free, fast, and reliable way to host an app's static assets such as HTML, CSS, JavaScript, and media files.
One Gigabyte of data storage and 10 Gigabyte of monthly data transfer are free, including TLS certificate and an option to include your custom domain.
That makes Firebase Hosting interesting for serving simple static websites.
In this session we will look at getting started with a simple website hosted on Firebase and how to use its command line tools.
Whats new in Java 9,10,11,12
In the modern "World of Java" there was a lot of interesting things going on in the last year, and many things are yet to come. A bit more than a year ago we got a long-awaited Java 9 with Jigsaw modularization and many other new features. In October we "moved Java forward faster" and switched to Java 11, with even more new features, following a new release model and versioning scheme.
AWS for Java Developers workshop
This document provides an overview and agenda for an AWS workshop. It introduces the presenter and covers various AWS services including compute (EC2, Lambda), storage (S3, EBS), databases (RDS), and serverless architecture. It also discusses AWS tooling, billing, security, and monitoring. The document concludes by pointing attendees to example labs they can complete to get hands-on experience with AWS.
Java modules
Huge JRE images were a huge problem for packaging and deploying small and lightweight tools based on Java. Have you tried to reduce Java runtime images? You will be surprised how well that works. From JDK 9 a minimal image targeting desktops can be as small as 18MB!This is a huge improvement but how does this black-magic work? I will be wowing you with an overview of Java’s custom runtime image tooling and present a interactive demo on how to create a mini Java runtime image file. We bust the myths around Java cloud computing and show you how to embraced Cloud Orientated development with Java. See how the new Java module system works with general patterns for developing a modular Java Cloud application.
Java 2018 certifications
This document provides information about Oracle Java certifications. It discusses the Associate, Programmer, Expert, and Master certification levels. For each level, it provides details on the exams, objectives, costs, study materials, and prerequisites. It emphasizes practicing the "2 minute rule" to develop an internal IDE and quickly recognize patterns during exams. The goal is to spot issues, determine if code will compile, and identify one's weaknesses. The document outlines the process for booking exams, assignment and essay requirements for the Master certification, and rules around retaking exams.
AWS Transcribe and Comprehend
1) Amazon Transcribe and Comprehend provide services for transcribing audio and video files and extracting metadata from text.
2) Transcribe can transcribe a variety of audio formats with timestamps and confidence scores. It supports punctuation, speaker attribution, and custom vocabularies.
3) Comprehend can analyze text to extract entities, key phrases, sentiment, and topics. It has been trained on a large corpus of text.
4) Both services offer SDKs for integration and have pricing based on the length of audio/video files processed.
BDD with Mockito
The BDD term was coined first by Dan North – back in 2006.
BDD encourages writing tests in a natural, human-readable language that focuses on the behavior of the application.
It defines a clearly structured way of writing tests following three sections (Arrange, Act, Assert):
-given some preconditions (Arrange)
-when an action occurs (Act)
-then verify the output (Assert)
The Mockito library is shipped with a BDDMockito class which introduces BDD-friendly APIs. This API allows us to take a more BDD friendly approach arranging our tests using given() and making assertions using then().
Dockercompose
Imagine proposing a session on “What’s new in Notepad”! Why would anyone want to know about such a common tool that everyone knows? The same should could be said about docker and docker-compose. They are standard development tools we find in any dev shop. So why does docker-compose seem so elusive? Its simple:
- Compose is a tool for defining and running multi-container Docker applications.
- With Compose, you use a YAML file to configure your application’s services.
- Then, with a single command, you create and start all the services from your configuration. Join me as we demo using Compose via your favourite frameworks.
Functional Reactive Endpoints using Spring 5
Spring 5 is here! One of the most exciting introductions in this release is support for Reactive Streams out of the Box!
Finally, the most popular java framework & ecosystem gets the reactive library it needs!
In this talk we look at its core features and demo how you can easily get started.
For 20 years Rory has developed and designed distributed enterprise systems .
He works full time in Research which gives him an unparalleled insight into industry movement.
For fun, he runs the Java, AWS and Kotlin User groups and races microservice driven cars.
AWS and Serverless with Alexa
AWS Core services:
* The AWS web console: the entry point for configuring your infrastructure in the AWS cloud
* The Free Tier and how to setup billing alerts
* Elastic Compute Cloud (EC2) instances, and the ease with which you can pick a particular Amazon Machine Image (AMI) for your workload, and spin it up as an instance right away
* How to create and deploy a high-availability web application in AWS, with an Elastic Load Balancer (ELB) and a multi-availability-zone Relational-Database-Service (RDS) instance
* How CloudFormation can automate all of the above.
Serverless Functions:
Serverless architecture allows developers to focus on code and their business problem rather than spending time looking after backend infrastructure. Serverless architecture can help developers build scalable, high-performing, and cost-effective applications quickly
We will talk about how serverless architecture and AWS Lambda can make things easier, cheaper, and help to accelerate development of projects.
Nashorn
Rory Preddy's document summarizes the history and capabilities of JavaScript engines Rhino and Nashorn. It begins with the origins of JavaScript as a portable version of Java created by Netscape. It then discusses Rhino, an early JavaScript engine implemented in Java that compiles JavaScript to Java bytecodes slowly. Nashorn, introduced in Java 8, is 20x faster than Rhino as it compiles JavaScript directly to bytecodes without an intermediate compilation step. Nashorn also improves type handling and has a smaller memory footprint than Rhino. The document demonstrates key features of Rhino and Nashorn like script evaluation, function invocation, and lambda expressions.
AWS for the Java Developer
This document provides an overview of AWS (Amazon Web Services) for Java developers. It introduces the speaker and covers various AWS core services including S3, EC2, databases, Elastic Beanstalk, EC2 Container Service, tooling, billing, and monitoring. Serverless architectures using AWS Lambda are also discussed. The document concludes with demos of building serverless projects in Eclipse using AWS services like API Gateway and DynamoDB.
Vs java (1)
Visual Studio Code is a lightweight but full-featured code editor. It supports many programming languages through language servers, including the Java Language Server. The document discusses VS Code's history and rise in popularity. It explains how language servers allow languages like Java to integrate with any code editor using the Language Server Protocol. The presentation demonstrates setting up a Java project in VS Code and interacting with the Java Language Server for features like auto-completion and goto definition. It also provides instructions for building a sample language server to understand how they work.
Polyglot
Rory Preddy gave a presentation on polyglot programming. He defined a polyglot programmer as someone who uses multiple programming languages in a single application. He discussed polyglot paradigm programming, which combines multiple programming paradigms like object-oriented, functional, and logic paradigms. He also discussed polyglot systems, which use different languages for different parts of a multi-tiered project based on which language is best suited. He provided examples of domain-specific languages, dynamic languages, and stable core languages used in polyglot systems. Finally, he discussed benefits and challenges of polyglot programming and how to get started with it.
BDD - Keep love alive
This document summarizes a presentation on Behavior Driven Development (BDD). It discusses how BDD is an evolution of test driven development that uses scenarios written in plain language to define tests. Common BDD tools like JBehave and Serenity are presented. The document concludes with tips for keeping BDD practices alive on projects by involving the whole team, using journeys instead of isolated tests, and maintaining open communication.
Kotlin
This document compares the Kotlin and Swift programming languages. It provides an overview of key features of each language such as variables, functions, classes, inheritance, protocols/traits, enums, null safety, type checks and extensions. It also includes code examples to illustrate similarities and differences between the two languages. The document concludes with a comparison of other features and a diagram showing how each language fits into a typical mobile application architecture.
More from Rory Preddy (19)
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A dynamic process unfolds in the intricate realm of software development, dedicated to crafting and sustaining products that effortlessly address user needs. Amidst vital stages like market analysis and requirement assessments, the heart of software development lies in the meticulous creation and upkeep of source code. Code alterations are inherent, challenging code quality, particularly under stringent deadlines.
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* What is the performance impact of running data quality frameworks
* How to run the test cases in your own ETL pipelines
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* Get notified with alerts when test cases fail
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Web:- https://undressbaby.com/
A Study of Variable-Role-based Feature Enrichment in Neural Models of Code
Understanding variable roles in code has been found to be helpful by students
in learning programming -- could variable roles help deep neural models in
performing coding tasks? We do an exploratory study.
- These are slides of the talk given at InteNSE'23: The 1st International Workshop on Interpretability and Robustness in Neural Software Engineering, co-located with the 45th International Conference on Software Engineering, ICSE 2023, Melbourne Australia
UI5con 2024 - Boost Your Development Experience with UI5 Tooling Extensions
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👉👉 Click Here To Get More Info 👇👇
https://sumonreview.com/ai-fusion-buddy-review
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✅Create Stunning AI App Suite Fully Powered By Google's Latest AI technology, Gemini
✅Use Gemini to Build high-converting Converting Sales Video Scripts, ad copies, Trending Articles, blogs, etc.100% unique!
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✅Fully automated AI articles bulk generation!
✅Auto-post or schedule stunning AI content across all your accounts at once—WordPress, Facebook, LinkedIn, Blogger, and more.
✅With one keyword or URL, generate complete websites, landing pages, and more…
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✅Save over $5000 per year and kick out dependency on third parties completely!
✅Brand New App: Not available anywhere else!
✅ Beginner-friendly!
✅ZERO upfront cost or any extra expenses
✅Risk-Free: 30-Day Money-Back Guarantee!
✅Commercial License included!
See My Other Reviews Article:
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How to write a program in any programming language
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Microservice Teams - How the cloud changes the way we work
A lot of technical challenges and complexity come with building a cloud-native and distributed architecture. The way we develop backend software has fundamentally changed in the last ten years. Managing a microservices architecture demands a lot of us to ensure observability and operational resiliency. But did you also change the way you run your development teams?
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Hand Rolled Applicative User Validation Code Kata
Could you use a simple piece of Scala validation code (granted, a very simplistic one too!) that you can rewrite, now and again, to refresh your basic understanding of Applicative operators <*>, <*, *>?
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Despite its grandiose-sounding title, this deck consists of just three slides showing the Scala 3 code to be rewritten whenever the details of the operators begin to fade away.
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Up and Running with Kubernetes
- 2. Meet Rory • Developer in R&D team at BBD – Training for 700 Developers – Most Languages & Frameworks • Organizer for the Java, Kotlin and AWS User groups • Not related to Tyrion Lannister • Don’t do kids parties @rorypreddy
- 3. Agenda • Introduction • Kubernetes Basics • Demo • Getting Fancy • Questions?
- 5. Google Borg • 2003 – Borg Created • 2013 - Borg 2 (Google Omega) • 2014 - Borg 3 (Kubernetes) Each week, starts over two billion containers
- 6. Kubernetes κυβερνήτης Greek for "helmsman" or "pilot"
- 7. K8s K ubernete s C8s C ontainer s
- 8. Virtual Machines Docker Containers What is a Docker container?
- 10. Kubernetes features • Container orchestration • Horizontal scaling • Rolling deployments and rollbacks • Self healing • Service discovery and load balancing
- 17. Master etcd API Server Scheduler Controller Manager Node Node Kublet Docker Kublet Docker Kubectl
- 18. Provisioned machines (called Nodes)
- 19. Master Master Etcd Etcd Etcd Control Plane Workers
- 20. Docker Registry A Master Master Etcd Etcd Etcd Control Plane Workers
- 21. Docker Registry Master Master Etcd Etcd Etcd Control Plane Workers 2xA, pls
- 22. Docker Registry Master Master Etcd Etcd Etcd Control Plane Workers A A
- 23. • Pods • Deployments • Services
- 24. PODS Pod Master
- 25. PODS Docker Port
- 31. GETTING FANCY
- 33. Autoscaling
- 34. ADVANCED KUBERNETES • Container-level features • Sidecar containers • Init containers • Pod configuration • Taints and Tolerations • Downward API • Pod Presets • Federated cluster objects
- 36. Questions? • Official Examples - https://github.com/kubernetes/examples • Kubernetes examples Project - http://kubernetesbyexample.com • Swarm & K8 - https://github.com/dockersamples/k8s-wordsmith-demo @rorypreddy