Unix

The article discusses the Unix command 'su' being used as a replacement for the traditional 'login' command to switch user identities in Unix systems. It references a blog post and Hacker News thread for further context.

Exim has released security updates to address a severe security issue affecting certain configurations that could enable memory corruption and potential code execution. The vulnerability, tracked as CVE-2026-45185, aka Dead.Letter, is a use-after-free issue. Exim is an open-source Mail Transfer Agent designed for Unix-like systems.

The article discusses the need for local AI to become the norm, with 91 points and 40 comments on the topic. Local AI refers to artificial intelligence that is developed and implemented within a specific region or community. The discussion is centered around the benefits and potential of local AI.

NetHack version 5.0 has been released, 11 years after its last major release, with new features and improvements, including compliance with the C99 standard and added accessibility features. The game is a classic ASCII roguelike that originated from Rogue and has been kept alive since its 1987 debut. The new version introduces new monsters, gameplay changes, and a graphical interface for Windows.

A security researcher and AI agents discovered two vulnerabilities in the CUPS print server, allowing unauthenticated remote code execution and root access. The flaws could enable attackers to overwrite files and execute arbitrary code on affected systems.