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Healthy Healthchecks 🩺, VPC Behind The Scenes ☁️, Azure Networking Updates πŸ†•

TLDR DevOps <dan@tldrnewsletter.com>

November 18, 12:08 pm

TLDR DevOps
DigitalOcean's Virtual Private Cloud (VPC) is a robust private networking solution designed for security, isolation, and simplicity β€Œ β€Œ β€Œ β€Œ β€Œ β€Œ β€Œ β€Œ β€Œ β€Œ β€Œ β€Œ β€Œ β€Œ β€Œ β€Œ β€Œ β€Œ β€Œ β€Œ β€Œ β€Œ β€Œ β€Œ β€Œ β€Œ  β€Œ β€Œ β€Œ β€Œ β€Œ β€Œ β€Œ β€Œ β€Œ β€Œ β€Œ β€Œ β€Œ β€Œ β€Œ β€Œ β€Œ β€Œ β€Œ β€Œ β€Œ β€Œ β€Œ β€Œ β€Œ β€Œ 

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News & Trends

Unlocking the future: Azure networking updates on security, reliability, and high availability (8 minute read)

Azure's recent networking updates focus on enhancing security, reliability, and scalability for businesses leveraging cloud technologies. Key improvements include stronger network encryption, DNS security, and ExpressRoute resiliency, along with tools for managing complex container-based architectures and advanced IP address management.
UK IT and security teams face mounting pressure from legacy technology (4 minute read)

IT and security teams in the UK are struggling with increased security incidents and burnout due to outdated technology and the rise of unregulated generative AI. Addressing these issues will require adopting modern, secure-by-design solutions and fostering a culture of security to mitigate evolving threats.
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Opinions & Tutorials

Making healthy healthchecks (10 minute read)

This article examines ECS healthchecks. It explains healthchecks, which are essential for container orchestration, from the process level up to load balancers. Docker healthchecks assess container status. ECS task definitions provide service-specific checks. Load balancer healthchecks handle external routing verification.
KRaft at Zendesk Part-1: Navigating the migration and key lessons learned (9 minute read)

This post shares insights and lessons learned on Zendesk's Kafka modernization journey. The company transitioned from ZooKeeper to KRaft while overcoming challenges along the way to enhance efficiency and reduce operational burdens.
Best Practices for Creating Least-Privilege AWS IAM Policies (15 minute read)

Learn how to create least-privilege AWS IAM policies that balance security and usability. This post features best practices, policy elements, and tools for effective management and testing.
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Resources & Tools

Optimize Live: Autonomous Rightsizing for Kubernetes Workloads (Sponsor)

Vertical autoscaling approaches conflict with Kubernetes' built-in Horizontal Pod Autoscaler. Optimize Live uses a forecast-based machine learning algorithm to continuously harmonize requests and limits with standard HPA utilization targets, giving you the best of both worlds: horizontal autoscaling performance with vertical autoscaling efficiency. Start your 30 day trial
Qdrant (GitHub Repo)

Qdrant is a high-performance vector similarity search engine and vector database designed for advanced AI applications. It offers scalable, efficient search capabilities and versatile integration options.
Chroma (GitHub Repo)

Chroma is a powerful, open-source embedding database designed to streamline the creation of Python or JavaScript LLM applications with memory. It features a fully-typed, tested, and documented API that easily integrates with popular tools like LangChain and LlamaIndex. Chroma offers functionalities such as queries, filtering, and density estimation under an Apache 2.0 License.
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Miscellaneous

VPC: Behind The Scenes (14 minute read)

DigitalOcean's Virtual Private Cloud (VPC) is a robust private networking solution designed for security, isolation, and simplicity. It enables users to easily manage resources within the cloud while ensuring data privacy and protection through features like seamless networking and globally distributed architecture.
Unpatched Remote Code Execution in Gogs (5 minute read)

A critical vulnerability in Gogs, a self-hosted Git service, allows remote code execution through a symbolic link path traversal, potentially enabling attackers with repository write access to exploit server-side Git hooks. Users are advised to restrict access or switch to the actively maintained Gitea fork.
Going A Little Further (4 minute read)

Go beyond basic tasks to foster professional growth. When seeking help, ask broader questions to understand principles, not just solve issues. Explore documentation deeply for better comprehension and simpler solutions. Writing clearly, especially when asking for help, sharpens thinking and improves communication. This extra effort builds long-term skills, strengthens contributions, and boosts personal development.
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Quick Links

How we avoided an outage caused by running out of IPs in EKS (6 minute read)

The team at Adevinta faced an IP exhaustion issue while managing a multitenant EKS cluster, which could have led to a significant outage.
Introducing Azure DevOps npm auth (3 minute read)

The Azure DevOps npm auth tool simplifies authentication for non-Windows users when working with Azure Artifacts npm feeds, automating the setup of the necessary authentication tokens.

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Thanks for reading,
Kunal Desai & Martin Hauskrecht


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