Hacker NewsMonday, March 24

landrun is a lightweight Linux sandbox tool using Landlock LSM for kernel-level security. It provides secure process isolation with fine-grained access control for directories, read/write permissions, and TCP network access. The tool offers a safe environment for running Linux processes with minimal overhead.

The evolution of search and recommendation systems now incorporates language models and multimodal content to overcome traditional limitations. Systems like YouTube's Semantic IDs, Kuaishou's M3CSR, and Google's CALRec showcase how LLMs enhance content understanding and user behavior modeling.

A story about Tim, a programmer with zero individual story points but immense team value. Through pair programming and mentoring, he elevated the entire team's performance, leading to better quality code and faster delivery. This challenged conventional productivity metrics and highlighted the importance of measuring team impact over individual contributions.

Mozilla.ai introduces an OpenStreetMap AI Helper Blueprint that uses computer vision models to assist in mapping features like swimming pools. The tool combines object detection and segmentation to speed up the mapping process while maintaining human verification, making map contributions 5 times more efficient.

Hunyuan-T1, a new AI model based on TurboS fast-thinking base, has been released as an upgrade to T1-Preview. The model demonstrates enhanced reasoning abilities through extensive reinforcement learning and human preference alignment, achieving competitive scores across various benchmarks including MMLU-pro, CEval, and mathematics tests, positioning it among top-tier AI models.

In March 2024, a sophisticated backdoor was discovered in xz, a core Linux compression software, inserted by a malicious maintainer over three years. The attack, which enabled remote code execution through ssh, was discovered by a Postgres developer while investigating performance issues. This incident highlights serious vulnerabilities in open source supply chain security.

The polar vortex winds at 60°N, which have been exceptionally strong this winter, are forecasted to dramatically slow down and reverse direction this weekend. This disruption will cause significant temperature increases in the stratosphere and could potentially impact spring weather patterns, though it's unclear if the vortex will recover this season.

Scallop is a declarative language based on Datalog that supports symbolic reasoning in AI applications. It features a scalable solver with discrete, probabilistic, and differentiable reasoning modes, and provides Python bindings for integration with PyTorch machine learning pipelines.

The article criticizes the "Vibe Coding" trend where developers rely heavily on AI tools to code without understanding the underlying principles. While AI coding assistants offer convenience, they often make basic mistakes and lack the expertise needed for production-level applications, making them unsuitable for serious software development.

Next.js has released version 15.2.3 to fix a security vulnerability (CVE-2025-29927) that could allow bypassing Middleware security checks. The issue affects self-hosted applications using 'next start' with 'output: standalone'. Updates are available for versions 12.x through 15.x.