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Implementing Blue-Green Deployment in Kubernetes with TLS Encryption Using Cert-Manager and Nginx Ingress

In this guide, we’ll implement a Blue-Green Deployment in Kubernetes, utilizing Cert-Manager for automated TLS certificate management and Nginx Ingress for traffic routing.
The tech stack includes Kubernetes, Cert-Manager, Nginx Ingress Controller, Helm, Let's Encrypt, MetalLB, and kubectl.
Prerequisites include a Kubernetes cluster, kubectl, Helm, Cert-Manager, Nginx Ingress Controller, domain name, Let's Encrypt account, and basic networking knowledge.
The architecture includes two environments – blue and green – with separate namespaces and labels, a Cloudflare API token secret for Cert-Manager, and a ClusterIssuer and Certificate referencing the issuer for free TLS certificates from Let's Encrypt.
The deployments include terranetes-nodegreen and terranetes-nodeblue for green (default/live) and blue (new) environments, respectively, and services as a router/switch for different environments.
The Ingress resource deploys to expose both services with TLS configuration and initial traffic routing between blue and green environments, with the ability to switch traffic effortlessly or rollback as needed.
Optional weighted traffic splitting allows for gradual routing or monitoring user behavior before full migration.
Implementing Blue-Green Deployment with TLS Encryption in Kubernetes enhances security, provides ease of switching, scalability, and rollback readiness, and is suitable for reliable production environments.
Key takeaways include enhanced security, scalability, ease of switching, and rollback readiness.
This setup is suitable for deploying applications confidently and ensuring user satisfaction.

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Siliconangle

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Breaking barriers: Google’s GKE upgrades redefine Kubernetes scalability for AI workloads

Google Cloud has upgraded its Google Kubernetes Engine capacity, now supporting 65,000-node clusters.
The upgrade was made possible by leveraging technologies like Spanner.
The goal is to provide headroom for innovation and solve problems before hitting barriers.
Google also announced self-service Kubernetes using GKE fleets and Argo CD.

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Dev

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Enhancing Your Cloud Experience: A Guide to Amazon Web Services Customer Service

Amazon Web Services (AWS) offers several support plans tailored to different needs, including Basic, Developer, Business, and Enterprise.
The AWS Support Center is a central hub for troubleshooting and technical guidance.
AWS re:Post provides a community-driven platform for peer-to-peer support and insights from AWS experts.
Leveraging AWS's extensive documentation, training, and certification resources is critical for maximizing the potential of AWS services.
AWS's proactive service management and advanced support services cater to the unique requirements of complex cloud environments.
The AWS Personal Health Dashboard provides a personalized view of the health of AWS services, and alerts you to any changes that might affect your environment.
AWS Enterprise Support Services offer specialized assistance to businesses with complex environments.
Implementing AWS security best practices is crucial for ensuring a secure and resilient cloud infrastructure.
By leveraging the AWS Architecture Center, developers can optimize their AWS infrastructure.
AWS customer service is equipped to help you navigate the complexities of cloud computing and achieve your business objectives.

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Dev

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Maximizing Your Budget: Top Strategies for AWS Cost Saving

Businesses that use Amazon Web Services (AWS) need to implement cost-saving strategies to optimize spending and enhance their overall economic structure within the AWS environment.
AWS Savings Plans offer significant cost reductions by committing to a consistent amount of compute usage (measured in $/hour) for a 1 or 3-year period.
Reserved Instances (RIs) offer a lower hourly rate compared to On-Demand instances, resulting in significant cost savings over time.
EC2 Spot Instances offer unused EC2 capacity at prices up to 90% lower than On-Demand rates, making them an excellent choice for flexible applications.
AWS Auto Scaling can be particularly effective when combined with other AWS services, providing a powerful way to maintain application health and performance while also keeping an eye on your budget.
Selecting accessibility zones wisely, businesses can achieve cost-effective AWS utilization, reduce AWS data transfers, and control EC2 and RDS costs.
Using AWS Cost Explorer and DevOps best practices further contribute to identifying areas for optimization and efficient resource utilization.
It is crucial for businesses to prioritize cloud cost optimization to ensure economic viability and efficient capacity management.
With careful planning and methodology, businesses can navigate AWS cost challenges and achieve significant cost reductions while leveraging the benefits of AWS cloud computing.
AWS Services by CodeSuite can transform your AWS usage into an economically optimized asset, in addition to expert AWS consulting services.

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Dev

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5 trends to watch in the World of DevOps in 2025

Automation + AI = <3: The use of AI in DevOps will enhance activities such as monitoring, anomaly detection, and incident response. AIOps is expected to gain momentum in optimizing infrastructure management and reducing human intervention.
DevOps 2: DevSecOps: The trend towards DevSecOps emphasizes integrating security at every stage of the DevOps process. Automated security checks and real-time vulnerability analysis using AI-based tools will strengthen security in the development cycle.
Infrastructure as Code & GitOps: Utilizing Infrastructure as Code and GitOps practices for managing infrastructure configurations and operations offers traceability, automation, and consistency. GitOps enables version control and auditing of changes, bringing security and practicality to infrastructure management.
IoT: the new cool kid on the block: With the increasing use of smart devices and Edge Computing, DevOps teams must be prepared to implement this architecture efficiently. Edge Computing reduces latency and increases efficiency by processing data closer to the collection point.
Sustainability: DevOps will play a crucial role in incorporating sustainability practices. Efforts to reduce energy consumption and orchestrate environments efficiently will align IT operations with the planet's needs.

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The New Stack

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CNCF Sics Developers on Kubernetes Patent Trolls

Kubernetes patent trolls have entered the frame, with Edge Networking Systems demanding licensing fees at the mere mention of Kubernetes on a CV or social media platform.
Collecting patents that have no plan to put said software to use, patent trolls instead generate income for themselves by threatening lawsuits against companies generating software using these patents.
The Linux Foundation, Microsoft, the Open Invention Network and Unified Patents are taking legal action against trolls, seeking to nullify bad patents and find evidence of pre-existing technology, the so-called prior art.
Now the Cloud Native Computing Foundation has launched a similar patent troll bounty programme, the Cloud Native Heroes Challenge, which offers entrants a reward of $3k for providing evidence as to why Edge Networking's '832-B1' patent should be nullified.
Should those entrants find pre-existing technology (prior art) evidence showing the application of the patent being invalid, United Patents will use this to challenge the patent in a court of law.
The initiative is crowd-sourcing prior art to protect the Kubernetes community and opensource projects from patent trolling.
Patent trolls win by sending popular cease and desist letters to a broad range of companies, many of which may not have the assets to fund litigation. A community able to uniformly reject the claims of a patented troll is an effective strategy against them.
The community can provide the prior art research, helping to construct claim charts and putting an end to trolling activity.
In a press conference, Joanna Lee, the CNCF’s VP of Strategic Programs & Legal said 'It’s a two-fold approach. It’s both directly challenging the patents, making the prior art publicly available and then leveraging the power of the community.'
The call is out for the community to leverage its collective knowledge and records to help overcome 823-B1, and banish any future legal cases that use similar patents.

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Dev

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Mastering Email Management with Amazon Web Services: An Expert Guide

Amazon Web Services (AWS) offers a suite of tools that can help streamline email management to make it more efficient, secure, and scalable.
AWS's SmartMail excels in automated mail services, leveraging GenAI, Data Analytics, and Machine Learning to create advanced ticketing systems and highly personalized responses.
Integrating AWS services can significantly reduce response times and improve customer satisfaction with AI-driven interactions.
Security is a top priority with AWS, offering solutions like Web Application Firewall and VPC Traffic Mirroring to protect email ecosystems.
Adopting AWS for email management can lead to cost savings and a better return on investment through optimized operations and cloud solutions.
AWS's scalable and reliable infrastructure ensures that email management systems can handle increasing volumes while maintaining performance.
In the realm of customer service, automated query responses have revolutionized the way businesses interact with their clients.
By using SmartMail and AI models, businesses can generate personalized responses that resonate with customers, thereby enhancing engagement and satisfaction.
The scalability and reliability of AWS infrastructure are pivotal for businesses that experience fluctuating demands.
By leveraging Amazon Q, companies can deliver a customer service experience that is both efficient and personal, reflecting the unique needs of each individual.

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Dev

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How to Set Up AWS Billing Alerts to Manage Your Cloud Spending

Managing cloud costs is essential for operating in the AWS environment. Configuring AWS Billing Alerts is necessary to keep cloud spend in control.
The AWS Billing Console simplifies the financial management of AWS resources and provides a comprehensive view of your AWS cost and usage.
Key features for managing cloud spend include using cost management tools, utilizing cloud monitoring, and employing cost allocation.
AWS Budgets allows you to set custom cost and usage budgets that inform you when cost or usage exceeds your budgeted amount.
Integrating New Relic with AWS provides enhanced AWS billing insights and allows you to set up New Relic alerts to monitor cloud spend.
Cloud spend optimization can be achieved with strategies like AWS cost allocation, tagging, and commitment management.
To monitor and manage AWS CloudTrail costs, integrating AWS Budgets with CloudTrail is essential for precise tracking of expenses.
Setting up AWS Budgets can be done by defining the budget scope, determining the amount, and setting up notifications for budget thresholds.
Using cost allocation and tagging helps with tracking spending across departments or projects, managing infrastructure, and identifying underutilized resources.
Commitment management is a strategic approach to reduce cloud costs by committing to certain usage levels in exchange for discounted rates.

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Medium

325

Andividual cells contribute in the functioning of the wholl following examples of the cells of…

Red blood cells carry oxygen and white blood cells contribute to the roles of blood in transportation.
Some skin cells act as physical barriers against pathogens and also function as receptors for temperature, touch, and pain.
The cells of bone deposit calcium, making bone tough and contributing to its supporting function.
Enzymes are specific for their substrates and can be regulated by the cell based on needs, with production and activity controlled by inhibitors and activators.

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Dev

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Networking Concepts for DevOps and Cloud Engineers

IP Addressing and Subnetting: Understands the concept of IP addressing and subnetting, crucial for network communication and segmentation.
DNS (Domain Name System): Explains the importance of DNS in translating domain names to IP addresses for efficient routing of internet traffic.
Virtual Private Cloud (VPC): Highlights the significance of VPC in providing a secure and isolated environment for hosting applications in the cloud.
Load Balancers: Describes the role of load balancers in distributing incoming traffic across multiple servers for improved reliability and performance.

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Dev

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🚀 Top 5 DevOps Tools Every Developer Should Know in 2024 🔧

Docker revolutionized application packaging and deployment with containerization.
Kubernetes automates the management of containerized applications at scale.
Terraform enables infrastructure provisioning through declarative configuration files.
Jenkins automates CI/CD pipelines, saving time and reducing errors.

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Dev

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Building a Docker and Kubernetes-like System from First Principles

Containers and orchestration are at the heart of modern software development.
A container is like a mini-computer inside your computer with its own filesystem, memory, and CPU usage.
Orchestration is like being the manager of a data center full of containers, with goals like automatically starting/stopping apps and scaling up/down.
Docker and Kubernetes are popular tools for creating containers and managing multiple containers, respectively.

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Dev

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A Comprehensive Guide to Google Cloud Platform Developer Console

The Google Cloud Platform Developer Console (GCP Console) is a web-based interface that allows developers and administrators to manage and monitor their cloud resources.
Key features of the GCP Console include project management, cloud resource management, service enablement and configuration, IAM security, real-time monitoring and logging, and API capabilities.
To get started, create a Google Cloud account, access the Developer Console at console.cloud.google.com, create a new project, enable necessary APIs and services, and monitor and optimize your application using Cloud Monitoring and Logging tools.
Best practices for using the GCP Console include using labels for organization, setting IAM permissions carefully, and enabling Cloud Billing alerts.

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Amazic

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Best practices to manage authorization policies at scale

Cerbos Hub offers policy decision point, allowing control access policies from one place which keeps codebases cleaner and influences quick policy changes without redeploying services.
A fine-grained access control model is necessary on a larger scale for which Cerbos Hub offers attribute-based access control (ABAC) system ensuring users access what they need based on the situation.
CI/CD pipelines collaborate in real-time to ensure that policy changes are reviewed and agreed upon by multiple stakeholders which ensures iteration, validation, and deployment of authorization policies without slowing development.
Policy testing tools built in Cerbos Hub let developers validate policies with real-world cases before they go live ensuring policies do not break services or allow access mistakenly.
Cerbos Hub’s policy orchestration feature ensures that policy rollouts are synchronized across all connected PDPs, keeping every instance up-to-date with the latest policies thus preventing unauthorized access.
Real-time monitoring of decision points, displaying the policies in use, logs from each instance, and metrics on decision-making is vital for compliance in regulated industries requiring strict audit controls.
Cerbos Hub allows you to run permission rules locally, reducing the need for external network calls which ensures fast and efficient decision-making.
Stateless PDPs, like those offered by Cerbos Hub, are designed to scale horizontally ensuring resilience among other things which maintains uninterrupted access control as system expands.
Scaling authorization policies requires a flexible and high-performing solution, which Cerbos Hub supports through detailed control, policy coordination, and real-time tracking.
Cerbos Hub’s well-defined strategies to maintain security and boost productivity is an essential tool in managing authorization policies at scale in intricate infrastructures.

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Dev

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Launching Your First AWS EC2 Instance: A Complete Guide for DevOps Beginners

Virtual Machines (VMs) and hypervisors optimize computing capabilities by dividing a single physical server into several separate virtual environments.
The hypervisor, a software layer, builds and controls virtual machines on a physical server, ensuring each environment has access to needed resources without interfering with others.
Cloud providers like AWS and Azure have harnessed the power of VMs to revolutionize their infrastructure, serving millions of users across fewer physical servers.
DevOps practitioners can leverage VMs and hypervisors to optimize resource utilization, scale infrastructure on-demand, and create agile, responsive computing environments.
To start a virtual machine, automation is essential, as manually starting even one machine is easy, but starting thousands of machines takes weeks without automation.
The easiest way to start an AWS EC2 instance is by selecting a machine type, generating a key pair, and clicking the Launch Instance button.
To connect to an EC2 instance, users can either use the AWS console or connect via terminal using an SSH command and a private key.
DevOps practitioners can leverage the power of VMs and hypervisors to optimize resource utilization and create flexible computing environments.
Automation is a critical component to starting thousands of virtual machines on a cloud platform like AWS or Azure.
By leveraging the power of VMs and hypervisors, DevOps practitioners can optimize computing resources and create agile, responsive computing environments.

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