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Category: Development

Bootc: Build Your Own Atomic Linux Distro

2025-03-24

Tired of complex Linux distro configurations? Bootc lets you build an OS like an application! Using container technology, you can easily create atomic distros, ensuring consistent system operation. The article uses Nginx as an example to showcase Bootc's simplicity and introduces the Universal Blue project, which uses Bootc to build a desktop experience comparable to SteamOS. Bootc opens up new avenues for building stable and user-friendly Linux desktops, making it worth learning for all Linux enthusiasts.

(sean.thrailkill.cloud)
Development Atomic Linux Container Technology

The Rise of ESM-Only: Is the JavaScript Ecosystem Ready?

2025-03-24
The Rise of ESM-Only: Is the JavaScript Ecosystem Ready?

This post explores the current state of ESM (ECMAScript Module) adoption in the JavaScript ecosystem and argues for a transition to ESM-only packages. The author revisits a previous post advocating for dual CJS/ESM formats and explains the shift towards ESM-only. The rise of modern build tools like Vite and frameworks like Nuxt and SvelteKit has made ESM the dominant module system. Node.js's support for `require()`ing ESM modules further removes interoperability hurdles. While dual CJS/ESM packages served as a transition mechanism, they introduce significant maintenance overhead and interop issues. The author recommends ESM-only for new projects and provides guidance for different project types (browser, CLI). A new tool, Node Modules Inspector, is introduced to help analyze ESM adoption in project dependencies.

(antfu.me)
Development JavaScript Modules

Saying Goodbye to `podman generate systemd`: Quadlet Simplifies Podman Container Systemd Management

2025-03-24
Saying Goodbye to `podman generate systemd`: Quadlet Simplifies Podman Container Systemd Management

This blog post introduces Quadlet, a superior method for managing Podman containers as systemd services, replacing the deprecated `podman generate systemd` command. Quadlet uses concise `.container` files for configuration, offering features like automatic updates, dependency management, and automatic restart after server reboots. It's presented as a more flexible, powerful, and maintainable alternative to the previous shell scripting approach. The author provides a detailed comparison of both methods, highlighting Quadlet's advantages, including single configuration files, full systemd feature utilization, and simpler dependency management. The post also mentions `podman auto-update` and the `podlet` migration tool.

(mo8it.com)
Development

Cool, but Obscure X11 Tools: A Retrospect of Unix Utilities

2025-03-24

This article presents a curated collection of lesser-known yet fascinating tools for the X Window System. From a 3D rendition of Pong to Free42, an HP calculator emulator, and from the filesystem visualizer FSV2 to XLennart, a modern twist on the classic XBill game, this compilation offers a nostalgic journey through Unix utilities. Installation instructions, GitHub links, and even compilation guides are provided for each tool. Whether you're a nostalgic programmer or an X11 enthusiast, this article is a worthwhile read.

(cyber.dabamos.de)
Development Unix tools

Outperforming std::deque: Introducing the Shift-To-Middle Array

2025-03-23
Outperforming std::deque: Introducing the Shift-To-Middle Array

The Shift-To-Middle Array is a dynamic array designed to outperform std::deque, std::vector, and linked lists in insertion and deletion at both ends. It achieves this by using contiguous memory, improving cache locality, and supporting SIMD and parallel optimizations. Benchmarks show significant performance gains, especially on multi-core CPUs and hardware with SIMD instruction sets. The project is open-source, with full API documentation and benchmark reports available. Contributions are welcome!

(github.com)
Development dynamic array

The AI Coding Assistant: An Existential Crisis for Software Engineers?

2025-03-23

The rise of AI coding assistants is fundamentally reshaping the role of software engineers, transitioning them from pure coders to orchestrators and managers of AI systems. This shift has sparked an identity crisis within the software engineering community. The article explores the challenges and opportunities presented by this transformation, highlighting that the core value of a software engineer lies in problem-solving and value creation, not just coding. The future demands stronger communication, systems thinking, and adaptability to thrive in the age of AI.

(annievella.com)
Development

Multiple Critical Vulnerabilities in Pagure Lead to Remote Code Execution

2025-03-23
Multiple Critical Vulnerabilities in Pagure Lead to Remote Code Execution

Security researchers discovered multiple critical vulnerabilities in Pagure, the software forge used by Fedora, allowing for remote code execution (RCE). One vulnerability stemmed from an argument injection in the PagureRepo.log() function, enabling attackers to write to arbitrary files and execute arbitrary code. Other flaws included path traversal and improper handling of symbolic links. These vulnerabilities could be exploited to modify Fedora package specification files, potentially introducing malicious code. Attackers could even gain complete control of the Pagure server by overwriting the `/srv/git/.bashrc` file. Fedora has migrated to Forgejo to address this, but the vulnerabilities highlight critical issues in open-source software supply chain security.

(fenrisk.com)
Development

ttyd: Share Your Terminal Over the Web

2025-03-23
ttyd: Share Your Terminal Over the Web

ttyd is a simple command-line tool for sharing your terminal over the web. It offers a wealth of options, including port specification, network interface binding, authentication, user permission settings, custom working directories, and more, allowing for flexible configuration. Advanced features such as SSL encryption, IPv6 support, and client argument passing ensure secure and reliable remote terminal access.

(github.com)
Development terminal sharing

Go Program: Convert Security Audit JSON to Markdown Report

2025-03-23
Go Program: Convert Security Audit JSON to Markdown Report

A simple Go program converts `security-audit.json` to `security-audit.md` for use in CI pipelines. An example report is provided, along with example CI integration files (`dependency-audit.yml` and `dependency-audit-only-when-detected.yml`), the latter only creating a GitHub issue if vulnerabilities are detected. The program allows customization of input and output file paths and offers an option to fail if no vulnerabilities are found.

(github.com)
Development Security Audit

Boosting Safari's Privacy: A Practical Guide

2025-03-23
Boosting Safari's Privacy: A Practical Guide

This post details the author's setup for enhancing Safari's privacy. It leverages iCloud Private Relay to mask IP addresses and encrypt DNS queries, alongside three extensions: Wipr (ad blocker), StopTheMadness Pro (anti-tracking), and Hush (cookie and popup blocker). Testing reveals strong protection against web tracking, though fingerprint uniqueness remains an area for improvement. Comparisons with Firefox and Brave configurations are included, ultimately showcasing the author's satisfaction with their chosen Safari setup.

(matanabudy.com)
Development Browser Extensions

YC-Backed Real Estate Startup Hiring TypeScript Engineer

2025-03-23
YC-Backed Real Estate Startup Hiring TypeScript Engineer

A YC-backed (S24) startup is seeking a TypeScript engineer to join their team disrupting the real estate industry. They're building a cutting-edge AI platform automating real estate agent workflows, including messaging, deal management, and customer interaction. The role offers a $100k-$150k salary and 0.5%-2.5% equity. Candidates should have experience using AI to ship code quickly, delivering consumer-facing features, and a solid understanding of existing AI models.

(www.workatastartup.com)
Development Real Estate Tech

Writing CPU-Friendly Code: A Guide to Hardware-Aware Programming

2025-03-23
Writing CPU-Friendly Code: A Guide to Hardware-Aware Programming

This article uses the analogy of a drive-through restaurant to explain three crucial CPU architecture concepts: instruction pipelining, memory caching, and speculative execution. The author argues that understanding these mechanisms and writing code that works with them (hardware-aware programming) can dramatically improve software performance. The article delves into code optimization techniques, such as loop unrolling to leverage superscalar execution, and optimizing data structure layout and access patterns to make full use of caching, to boost efficiency. Ultimately, the author emphasizes that writing efficient code boils down to writing clean, maintainable code first, then profiling to identify performance bottlenecks, and finally applying hardware-aware programming principles to target those bottlenecks.

(blog.codingconfessions.com)
Development CPU architecture hardware-aware programming

Critical Next.js Middleware Vulnerability: CVE-2025-29927

2025-03-23

Security researchers discovered a critical vulnerability (CVE-2025-29927) in Next.js's middleware, affecting nearly all versions from 11.1.4 to the latest. The flaw allows attackers to bypass middleware, including authentication and authorization, by manipulating the `x-middleware-subrequest` header. This can lead to bypassing security measures and even cache poisoning denial-of-service attacks. Vercel has released patches; all Next.js users should upgrade immediately.

(zhero-web-sec.github.io)
Development

Elegant Value Objects in Ruby: A Deep Dive into the `Data` Class

2025-03-23
Elegant Value Objects in Ruby: A Deep Dive into the `Data` Class

This article explores creating value objects in Ruby, advocating for the modern `Data` class. `Data` offers a convenient way to define immutable, value-equal objects, supporting various initialization methods including keyword arguments, positional arguments, and hash-like forms. `Data` objects are inherently immutable, comparable by value and type, and allow defining custom methods, enhancing code readability and maintainability. The article compares `Data` with `Struct`, highlighting `Data`'s immutability advantage and addressing handling the mutability of nested objects.

(allaboutcoding.ghinda.com)
Development Data Class

argp: A Powerful GNU-Standard Command-Line Argument Parser in Go

2025-03-23
argp: A Powerful GNU-Standard Command-Line Argument Parser in Go

argp is a Go library providing a robust command-line argument parser adhering to GNU standards. It boasts features like built-in help, struct field scanning, support for composite types (arrays, slices, structs), and nested subcommands. argp follows GNU argument rules, handling short and long options, option values, multiple values, and option combinations. It also offers configuration loading, counting, appending, and support for custom data sources, such as MySQL databases. Developers can leverage argp to create powerful command-line tools efficiently.

(github.com)
Development command-line arguments GNU standard

The Zero-Productivity Programmer Who Saved the Team

2025-03-23

A software consultancy introduced individual performance metrics, and one programmer, Tim, consistently scored zero. The manager wanted to fire him, but his team lead refused. Tim, while delivering no individual code, paired with teammates, boosting their skills and code quality, ultimately increasing the team's overall efficiency and output. This story highlights the limitations of measuring individual contributions in complex systems, emphasizing team collaboration and overall effectiveness.

(dannorth.net)
Development performance metrics

Debugging a Race Condition: The RtlRunOnceExecuteOnce Trap

2025-03-23
Debugging a Race Condition: The RtlRunOnceExecuteOnce Trap

A colleague encountered a tricky concurrency issue during a weekly debug session: a critical section failed to prevent two threads from entering the same code block, leading to a `TraceLoggingRegister` double-registration failure. Deep debugging revealed the root cause: the initialization function `InitializeCriticalSectionOnce` for `RtlRunOnceExecuteOnce` incorrectly returned `STATUS_SUCCESS` (0). This led `RtlRunOnceExecuteOnce` to believe initialization failed, causing it to re-initialize the critical section on every call, triggering the race condition. The solution was to change the return value to `TRUE`, or more elegantly, replace `CRITICAL_SECTION` with `SRWLOCK`. This case highlights how subtle return value errors can lead to severe consequences and underscores the importance of choosing the appropriate synchronization primitive.

(devblogs.microsoft.com)
Development

arXivLabs: Experimental Projects with Community Collaboration

2025-03-23
arXivLabs: Experimental Projects with Community Collaboration

arXivLabs is a framework enabling collaborators to develop and share new arXiv features directly on the website. Individuals and organizations involved embrace arXiv's values of openness, community, excellence, and user data privacy. arXiv is committed to these values and only partners with those who share them. Have an idea to enhance the arXiv community? Learn more about arXivLabs.

(arxiv.org)
Development

LunaJoy Hiring Senior QA Manual Tester

2025-03-23
LunaJoy Hiring Senior QA Manual Tester

LunaJoy, a telemental health platform specializing in women's mental health across the lifespan, is hiring a Senior QA Manual Tester. They offer psychotherapy, medication evaluations, nutritional psychiatry, and mind-body interventions, integrating directly with OB offices and health systems. The ideal candidate will possess knowledge of the Software Development Life Cycle (SDLC), test case development, bug tracking tools (like JIRA), and various testing types (functional, regression, usability, etc.). Plus, knowledge of databases and API testing experience is a plus. LunaJoy offers remote work, competitive compensation and benefits, and an inclusive work environment.

(www.workatastartup.com)
Development QA Testing Telehealth

Urgent: Next.js Security Update Patches Critical Vulnerability

2025-03-22
Urgent: Next.js Security Update Patches Critical Vulnerability

Next.js has released version 15.2.3 to address a critical security vulnerability (CVE-2025-29927) that could allow unauthorized access. The vulnerability lies in the handling of the `x-middleware-subrequest` header in middleware, potentially allowing attackers to bypass critical security checks such as authentication. All self-hosted Next.js deployments using `next start` and `output: 'standalone'` are urged to update immediately. Patches for Next.js 14.x and 13.x are also available.

(nextjs.org)
Development

Vibe Coding: Hype vs. Reality

2025-03-22
Vibe Coding: Hype vs. Reality

The recent social media trend of "Vibe Coding," which relies on Large Language Models (LLMs) to generate code, is criticized in this article. While LLM agents like Cursor can quickly produce code prototypes, the author argues this is merely the surface of Vibe Coding. In reality, LLMs struggle with complex projects, lack attention to detail, and are unsuitable for production software development. The author uses personal experiences and examples to illustrate the limitations of LLM agents, such as making elementary mistakes, handling multiple contexts poorly, and lacking long-term memory. Although LLMs can improve development efficiency, they cannot fully replace human developers, especially in scenarios requiring high reliability and security. The author concludes that Vibe Coding might quickly build prototypes, but reliable software still needs experienced programmers.

(cendyne.dev)
Development

Secure Shell Command Execution: A Novel String Interpolation Approach

2025-03-22

This article explores secure methods for executing shell commands with user input, avoiding command injection vulnerabilities. The author starts with a vulnerable example, then presents three improved solutions: using `execFile` instead of `exec`, passing arguments via environment variables, and employing safe interpolation with JavaScript tagged templates. The article also compares similar approaches in other languages like Python and Swift, culminating in a surprisingly clever (though not production-ready) Python solution using decorators and regular expressions to achieve safe interpolation.

(samwing.dev)
Development command injection

Matrix Logarithms and Transform Interpolation: Understanding Transforms as Velocity Fields

2025-03-22

This article explores how to smoothly interpolate a transform matrix T to move a point x from its initial position to its position transformed by T. The key is using matrix exponentials and logarithms. By raising T to the power of t (T^t = e^(log(T)*t)), we can obtain the transform T(t) at time t. Interestingly, log(T) represents the velocity field of the transformation; its product with point x gives the velocity vector at that point. The article explains this mathematical principle in detail, providing an interactive example and code links demonstrating transform interpolation and visualizing a matrix as a velocity field.

(nosferalatu.com)
Development transform interpolation velocity field

Claude Code Now Debugs Node.js in Real-time: A MongoDB Connection Case Study

2025-03-22
Claude Code Now Debugs Node.js in Real-time: A MongoDB Connection Case Study

The `@hyperdrive-eng/mcp-nodejs-debugger` MCP server plugin lets Claude Code debug Node.js code at runtime. This article demonstrates debugging a Node.js app connecting to MongoDB Atlas, showcasing a runtime connection error. By setting breakpoints within Claude Code and executing custom JavaScript, developers can inspect MongoDB config variables to pinpoint issues like incorrect credentials or unauthorized IPs. The solution involves using a local MongoDB instance or correctly configuring MongoDB Atlas network access and credentials.

(www.npmjs.com)
Development Node.js debugging

AmigaDOS String Interpolation: Beyond {} Braces

2025-03-22

This blog post explores the flexibility and quirks of string interpolation in AmigaDOS shell scripts. While AmigaDOS defaults to using `<` and `>` for interpolation, it allows customization via `.BRA` and `.KET` directives. Experiments demonstrate the successful use of various character pairs, including printable and non-printable ASCII characters (like BEL and NAK). This highlights the robustness of the AmigaDOS script parser and its resilience in handling unusual input.

(www.datagubbe.se)
Development string interpolation

Mozilla.ai's Open Source Project: Accelerating OpenStreetMap Mapping with AI

2025-03-22
Mozilla.ai's Open Source Project: Accelerating OpenStreetMap Mapping with AI

Mozilla.ai has released an open-source project called the OpenStreetMap AI Helper Blueprint designed to accelerate the mapping process on OpenStreetMap. This project cleverly combines the YOLOv11 object detection model and the SAM2 segmentation model to automatically identify and outline map features (e.g., swimming pools), boosting efficiency. Users train models in provided Colab environments and then verify results manually, significantly improving mapping speed while maintaining quality control. This showcases how lightweight, locally friendly AI models can enhance community-driven projects without relying on large language models.

(blog.mozilla.ai)
Development Mapmaking

Landrun: A Lightweight, Kernel-Level Secure Sandbox for Linux

2025-03-22
Landrun: A Lightweight, Kernel-Level Secure Sandbox for Linux

Landrun is a lightweight Linux sandbox utilizing the Landlock LSM, boasting kernel-level security and minimal overhead. It offers fine-grained access control for directories, supporting read and write paths with optional execution permissions. TCP network access control (binding and connecting) is also included. Requiring Linux kernel 5.13+ with Landlock LSM enabled (kernel 6.8+ for network restrictions), Landrun provides a command-line interface for easily configuring sandbox permissions, including read-only, read-write, execution, and specific TCP port binding and connection allowances. A best-effort mode ensures graceful degradation on older kernels. This makes it ideal for securely running untrusted or potentially malicious code.

(github.com)
Development kernel security

Two Reports Highlight Knowledge Gaps and Best Practices for Open Source CRA Compliance

2025-03-22
Two Reports Highlight Knowledge Gaps and Best Practices for Open Source CRA Compliance

The Linux Foundation released two groundbreaking research reports exploring community-driven strategies to address open source security and the European Union’s Cyber Resilience Act (CRA). The first report analyzes how three Linux Foundation projects meet CRA minimum compliance requirements, sharing best practices. The second report reveals significant knowledge gaps within the open source ecosystem regarding CRA awareness, with many respondents unfamiliar with the act and lacking compliance readiness. The reports recommend manufacturers take a more active role in open source security, calling for increased funding and legal support to foster better security practices.

(www.linuxfoundation.org)
Development Cyber Resilience Act open source security CRA compliance cyber resilience

FizzBee: Modeling Mutual Exclusion and the Pitfalls of Redlock

2025-03-22
FizzBee: Modeling Mutual Exclusion and the Pitfalls of Redlock

This article details the author's experience using FizzBee, a new formal specification language built on Starlark, to model mutual exclusion algorithms and investigate issues with the Redlock algorithm. By modeling critical sections, locks, leases, and fencing tokens, the author reveals limitations in Redlock's fault tolerance, ultimately showing that fencing tokens don't completely solve mutual exclusion problems. The author concludes by discussing FizzBee's ease of use and shortcomings while highlighting the importance of formal specification in algorithm design. The practical exercise unexpectedly revealed subtle flaws in the author's understanding of fencing tokens, underscoring the value of formal methods.

(surfingcomplexity.blog)
Development mutual exclusion

Diving Deep into PyTorch Internals: Tensors, Autograd, and Kernel Writing

2025-03-22

This blog post provides a detailed exploration of PyTorch's internals, covering tensor data structures, automatic differentiation (Autograd), and kernel writing. It begins by explaining the underlying implementation of tensors, including the concept of strides and how to use them to create tensor views. Next, it delves into the workings of Autograd, showing how gradients are computed via backpropagation. Finally, the post offers a practical guide to writing PyTorch kernels, including how to leverage PyTorch's tools for error checking, dtype dispatch, and parallelization. This is an excellent tutorial for developers with some PyTorch experience who want to understand its internals or contribute code.

(blog.ezyang.com)
Development
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