What's New in PostgreSQL 18 - a DBA's Perspective (5 minute read)
PostgreSQL 18 beta 1 introduces an asynchronous I/O subsystem that promises to increase I/O throughput, especially for Linux users who leverage io_uring. Also included in the update are native support for UUIDv7, improvements to the EXPLAIN command, the ability to add NOT NULL constraints as NOT VALID, and a new syntax for INSERT ON CONFLICT.
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BGP handling bug causes widespread internet routing instability (4 minute read)
On May 20, a malformed BGP Prefix-SID attribute triggered routing instability by causing Arista devices to reset sessions after receiving corrupted messages via Juniper routers, affecting major networks like Starlink and Disney. The incident exposed critical flaws in BGP error handling and highlighted the need for stricter validation and vendor accountability to prevent large-scale internet disruptions.
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Mastering Amazon Q Developer Part 1: Crafting Effective Prompts (8 minute read)
Effective communication with Amazon Q Developer significantly impacts the quality and usefulness of its responses, with structured, detailed prompts enabling faster task completion and more accurate results. Prompt engineering techniques, including providing specific technical context and requesting defined output formats, can dramatically improve developer productivity and reduce unnecessary clarification.
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IaC Is Too Complicated. Where's That ‘Easy Button'? (5 minute read)
Infrastructure as Code has grown more complex over the last two decades, with widespread adoption but only a small percentage of organizations fully codifying their cloud environments. There are persistent challenges like configuration drift, tool sprawl, and inconsistent practices. Only 17% of teams currently use AI to ease these burdens.
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The two types of open source (6 minute read)
Open source projects should be judged by expectations, not just licenses—distinguishing between high-expectation (e.g., TypeScript) and low-expectation (e.g., solo side projects). Users need to set realistic expectations and maintainers should be clear about support levels.
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FastMCP (GitHub Repo)
FastMCP is designed to simplify the creation of Model Context Protocol (MCP) servers and clients. It handles complex protocol details, enabling developers to focus on building tools with features like server proxying, composition patterns, and high-level Pythonic interfaces.
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Taskmaster (GitHub Repo)
Taskmaster is an AI-powered task-management system for AI-driven development with Claude that integrates with Cursor AI.
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Linux cgroup from first principles (5 minute read)
This deep dive into Linux cgroup v2 demystifies how control groups work by walking through manual setup, process isolation, and resource constraints using a NixOS VM. Emphasizing the Unix philosophy of “everything is a file,” the post demonstrates how to apply CPU and memory limits with raw file interfaces, highlighting both the power and quirks of cgroups without relying on systemd abstractions.
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Moving secure GitOps forward with Flux (3 minute read)
Flux emphasized its commitment to security at KubeCon + CloudNativeCon Europe, highlighting robust design principles such as SLSA Build Level 3 builds, scoped RBAC, in-cluster API state, and signed OCI artifact support.
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