This release of HAProxy comes with many improvements; its changes in the connection layer lays the foundation for support for HTTP/3 / QUIC.

An open-source productivity tool drawing inspiration from Workflowy and Vim.

The author describes his experience with his transition from macOS to NixOS.

This new version of sudo comes with improvements to how the sudoers file is handled. Zero-length files are not saved by sudoedit, error messages are more accurate now, and sudo refuses to run if there is a syntax error.

This blog post explains MySQL memory instrumentation with Performance Schema and how to use custom queries with the MySQL exporter.

Nazım Can Altınova explains how to use the Firefox profiler for performance analysis.

»NAT Slipstreaming allows an attacker to remotely access any TCP/UDP service bound to a victim machine, bypassing the victim's NAT/firewall (arbitrary firewall pinhole control), just by the victim visiting a website.«

With the presented tools BTF and CO-RE, BPF gets more portable, not requiring the whole build chain with LLVM, Clang, and kernel header dependencies. In this blog post, Brendan Gregg explains how it works and what it means for BPF performance tools.

Canonical introduces a profiling tool called etrace. While being designed as a generic tracing application, it is specially tailored to analyze snaps.

In this blog post, the author shows some ways in which money is wasted on IT infrastructure.

• Podman 2.0
• Transactional Synchronization Extensions (TSX) disabled by default
• Expanded System Roles
• updated tuned

BPF originally stood for Berkeley Packet Filter, but has been extended in Linux to become a generic kernel execution engine, capable of running a new type of user-defined and kernel-mode applications.

Leitfaden für qualitativ hochwertige Daten und Metadaten

Comparison of mobile network traffic in Austria and Germany.

Cache-Poisoned Denial-of-Service (CPDoS) is a new class of web cache poisoning attacks aimed at disabling web resources and websites.

A wicked problem is a problem that is difficult or impossible to solve because of incomplete, contradictory, and changing requirements that are often difficult to recognize. It refers to an idea or problem that can not be fixed, where there is no single solution to the problem. The use of the term "wicked" here has come to denote resistance to resolution, rather than evil.

Forschergeist-Podcast-Folge zur gesellschaftliche Bedeutung des Fachs mit Peter Purgathofer als Gast.

Ways of Thinking in Informatics is a 6 ECTS university course that is mandatory for all first-year students of Informatics bachelor studies at TU Wien.