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Devops News
Dev
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🚀 Dockerfile Best Practices – Make Your Builds 10x Faster
- Dockerfile builds can be slow and inefficient.
- This article provides Dockerfile best practices to make builds faster, use fewer system resources, and deploy faster and safer.
- Some common mistakes are discussed, along with their corresponding fixes.
- The article also provides a quick checklist for Dockerfile best practices.
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26 Likes
Microsoft
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282
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Azure Boards + GitHub: Recent Updates
- Smarter Link Management for Branches, PRs, and Commits: Azure Boards now automatically links merge commits and pull requests to associated work items, reducing the need for manual linking.
- Build Status from GitHub Repos (YAML Pipelines): Azure Boards displays the Integrated in build link from GitHub repositories when using Azure YAML pipelines, improving traceability from code to deployment.
- Increased GitHub Repository Limit: Azure DevOps project now supports connecting up to 1,000 GitHub repositories, providing better scalability for organizations.
- State Transition Support: Linking GitHub pull requests to Azure Boards work items now supports state transitions, allowing automatic updates of work item states on merge.
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16 Likes
Dev
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150+ DevOps Interview Questions with expert tips
- Preparing for DevOps interviews can be overwhelming, but this article offers a comprehensive roadmap with 150+ categorized questions and expert tips.
- The article covers beginner, intermediate, and expert levels of DevOps questions, including real-world scenarios and tool-specific inquiries.
- It emphasizes important lessons for interview success, such as explaining the 'why,' showcasing troubleshooting skills, and highlighting the significance of soft skills in DevOps.
- Basic questions range from defining DevOps to understanding CI/CD, while intermediate questions delve into topics like container orchestration and microservices architecture.
- Advanced questions tackle complex topics like CI/CD pipeline design, disaster recovery, and balancing speed vs. stability in production environments.
- Tool-specific questions cover Docker, Kubernetes, Jenkins, as well as cloud platforms like AWS, Azure, and GCP, along with monitoring tools like Prometheus and Grafana.
- The article includes recommended resources for upskilling, emphasizing the importance of daily tool practice, explaining decision-making rationale, and sharing stories during interviews.
- DevOps roles are in high demand, and thorough preparation based on the insights provided can help candidates secure positions successfully.
- Key advice includes practicing with tools regularly, detailing reasons behind choices, and sharing experiences alongside technical skills to excel in DevOps interviews.
- The comprehensive guide offers readers a valuable toolkit for excelling in DevOps interviews and emphasizes the importance of hands-on practice and effective communication.
- The blog equips individuals with the necessary knowledge and strategies to confidently tackle various DevOps interview questions, reinforcing the significance of practical experience and soft skills.
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The New Stack
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Tutorial: GPU-Accelerated Serverless Inference With Google Cloud Run
- Google Cloud launched GPU support for the Cloud Run serverless platform, enabling developers to accelerate serverless inference of models deployed on Cloud Run.
- The tutorial explains the steps to deploy the Llama 3.1 Large Language Model (LLM) with 8B parameters on a GPU-based Cloud Run service.
- The guide demonstrates the initialization of the environment, deploying the Text Generation Inference (TGI) server using the Hugging Face model, and performing inference using cURL or the OpenAI Python library.
- This tutorial provides insights into how to leverage GPU-acceleration for serverless inference using Google Cloud Run.
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Dzone
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Zero Trust Isn't Just for Networks: Applying Zero-Trust Principles to CI/CD Pipelines
- Zero trust has become a key element of enterprise security.
- While zero trust principles are applied to networks, user identities, and endpoints, the CI/CD pipeline often remains undersecured.
- CI/CD pipelines orchestrate code validation for production deployment and may have persistent credentials and system privileges.
- Treating pipelines as untrusted by default is essential to aligning them with the rest of the zero trust model.
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13 Likes
Dev
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363
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🚀 Create Reproducible Dev Environments with Vagrant in Minutes
- Vagrant enables users to create and configure lightweight, reproducible, and portable development environments.
- Vagrant is like a DevOps time machine that spins up a fully-configured virtual machine using one file and one command.
- To use Vagrant, initialize the project with a Vagrantfile and configure it, specifying the base image, network settings, synced folders, and provider-specific settings like VM name, memory, and CPUs.
- Vagrant is a useful tool for building isolated environments, creating reproducible VMs for testing installations, safely testing Ansible playbooks, and setting up disposable Proof-of-Concepts (PoCs).
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21 Likes
Dev
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434
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The Overengineer’s Manifesto: Saying Hello the Hard Way
- The Overengineer’s Manifesto: Saying Hello the Hard Way
- Project Complexity Score: 1,417 lines of code & docs, 264 function/class/logic blocks—just to say "Hello".
- OverHelloWorld is a cautionary tale for developers, showcasing the dangers and joys of overengineering.
- Lessons learned from overengineering: simplicity is a feature, knowing when to stop is a superpower, and overengineering is a great way to learn but a terrible way to ship.
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26 Likes
Dev
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250
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The Importance of a WordPress Developer for SaaS Websites
- SaaS websites play crucial roles in lead generation, onboarding, and customer support, requiring precise technical execution.
- WordPress Developers are essential for ensuring secure, high-performing, and visually appealing SaaS websites.
- They customize user experiences, streamline plugin integration, and optimize speed and core web vitals.
- WordPress Developers also focus on SEO optimization, scalability, security, third-party integrations, and conversion-focused landing pages.
- Additionally, they ensure smooth user experiences across all devices and provide ongoing maintenance and support.
- Partnering with a skilled WordPress Developer is crucial for the success of SaaS businesses.
- From tailored user experiences to scalable infrastructure, these developers are key to optimizing revenue and reputation.
- Invedus Outsourcing in India offers WordPress Developers for customized SaaS projects, catering to various skills and budgets.
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15 Likes
Dev
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259
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How to Dump Database Tables into Files to Speed Up Queries with esProc
- esProc can help improve query performance by exporting database data into files for subsequent computation.
- The article discusses a MySQL database containing the orders_30m table with 30 million rows of historical order data.
- Using esProc, data can be exported to files like BTX or CTX for faster query processing.
- Exporting data to BTX reduced query time from 17.69 seconds to 5.319 seconds, outperforming MySQL.
- CTC files offer higher compression ratios and can further optimize query performance compared to BTX files.
- Parallel computation using esProc with BTX or CTX files can significantly reduce query execution times.
- esProc simplifies complex operations like TopN queries and offers concise and elegant syntax for faster processing.
- Dumping data into files with esProc is recommended for static historical data analysis, providing significant speed advantages over traditional databases.
- File-based approaches can be several to dozens of times faster than database queries, making them suitable for specific scenarios.
- esProc offers mixed computation capabilities for processing new data scenarios beyond file exports.
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15 Likes
Dev
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325
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Demystifying Agile, Scrum, and Kanban: Which Methodology Fits Your Dev Team?
- Agile, Scrum, and Kanban are key methodologies in project management, each with unique strengths and best-fit scenarios.
- Agile is a mindset focusing on iterative cycles, constant feedback, flexibility, and collaboration within software development.
- Scrum, a framework under Agile, provides structure, sprints, and predictability through time-boxed iterations and defined roles.
- Kanban emphasizes visual flow, flexibility, and optimizing work processes through visualizing tasks and managing flow.
- Scrum suits teams needing structure and regular deliveries, while Kanban is ideal for variable workloads and flexibility.
- To choose the right methodology, consider factors like team structure, workflow visualization, and the need for continuous improvement.
- Practical tips for Scrum include setting realistic sprint goals and utilizing tools like Teamcamp for efficient management.
- For Kanban, start by visualizing workflows and implementing WIP limits to enhance productivity and address blockers effectively.
- Real-world examples show how organizations like Vanguard, VistaPrint, and Ultimate Software have benefited from using Scrum and Kanban.
- Teamcamp provides features tailored for Agile, Scrum, and Kanban teams, helping streamline project management and boost developer productivity.
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19 Likes
Javacodegeeks
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57
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Maven vs. the World: Why Gradle Won (But Maven Still Rules in Banking)
- Maven remains entrenched in sectors like banking where compliance outweighs other considerations.
- Maven's XML-based POM files enforce strict conventions, making it invaluable for large organizations needing reproducibility and control.
- Gradle's Groovy/Kotlin DSL enables more expressive builds and allows for custom task graphs that are impossible in Maven without writing a full plugin.
- Maven shows more consistent performance across very large codebases, while Gradle's incremental builds are faster for typical development workflows.
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3 Likes
Dev
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72
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Kubernetes 1.30 Features – More Enhancements You Shouldn’t Miss
- Fine-Grained Authorization with CEL in RBAC allows adding logic to RBAC rules using CEL (Common Expression Language).
- Sidecar Containers feature (now stable) allows sidecar containers to restart independently of the main application container.
- CSI Inline Volumes Are Now GA, removing the need to create a separate PVC for defining temporary volumes inside a pod spec.
- Advanced Network Policies (Port Ranges) enable network policies to support port ranges in ingress/egress rules.
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4 Likes
Dev
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131
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40 days of K8s - CKA chalange (01/40)
- Day 01/40: Docker Fundamentals
- Explained the Docker life cycle and architecture.
- Diagram showcased how Docker images can be hosted in one host machine with their own resources.
- Described the workflow of creating, testing, and using Docker images in development, testing, and production environments.
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7 Likes
Dev
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64
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🚨 Top DevOps Mistakes Beginners Make – And How to Avoid Them
- Not learning Linux basics - Practice Linux commands daily in a sandbox
- Relying too much on GUI tools - Learn the CLI and automation
- Not using version control for infra - Use Git for everything – infra too!
- Ignoring monitoring/logging - Always set up basic alerts & logs
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3 Likes
Dev
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172
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Building a Scalable, Secure Multi-Tier Architecture on AWS — My Recent Infrastructure Project
- This project centers around designing and deploying a highly available, secure, and scalable multi-tier architecture on Amazon Web Services (AWS).
- The architecture is built within a VPC, split across two Availability Zones (AZ-A and AZ-B) for redundancy.
- The architecture follows the standard 3-tier model: Web Tier, Application Tier, and Integration Tier.
- Key AWS services used include EC2, ALB, ELB, Auto Scaling, S3, RDS, EFS, IAM, CloudWatch, Route 53, VPC Flow Logs, and CloudFront.
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