Practical Linux tips and tricks – terminal shortcuts, productivity hacks, and configuration tweaks for Ubuntu and other distros.
Pangolin, the open-source zero-trust remote access platform, has released version 1.22, introducing a new AI Gateway to manage access to cloud and self-hosted AI models and moving several previously Enterprise-only remote access features into the free Community Edition. The headline addition is the new AI Gateway, a dedicated Pangolin resource acting as an identity-aware proxy…
A new version of open-source ebook manager Calibre is out – and it lets you create custom book covers using generative AI. Calibre 9.14, released August 28, adds an “AI Generate” button to the book editor so you can create new ebook covers and apply them to existing titles. It includes preset “styles such as…
55 Sarah’s Security Brief: I always check AppArmor profiles before trusting any service on a production server. This guide walks you through the exact commands and profile structures I use to verify, create, and manage security policies. For deeper dives, see our guides on Linux file permissions, user groups and permissions, and SSH hardening. AppArmor…
A website can load normally while mail delivery, domain verification, or certificate issuance fails. Each service asks DNS a different question, and the answer comes from a specific record type. A and AAAA records provide server addresses, MX records route email, TXT records publish verification and policy data, and several other types handle aliases, delegation,…
Watching DevOps tutorials is easy. Actually knowing what to do when a server is broken at in production is not. The gap between the two is hands-on practice and if you have been searching for structured, interactive DevOps labs, you have probably run into the same problem: most good platforms cost money, and the free…
Codex CLI is OpenAI’s coding agent that runs in your terminal, reads your files, and executes shell commands on your machine. In this guide, you’ll learn how to install it using curl or npm, sign in from a headless server, and configure sandbox modes before letting it work with anything important. It’s easy to install…
Chromium’s source tree has gained experimental support for packaging the browser as a Flatpak, and the change has already been merged yesterday. It’s a small addition, basically a commit sitting behind a disabled build flag, but it’s the kind of change worth keeping an eye on if you’ve been wanting an official way to run…
Patches sent out to the Linux kernel mailing list today can provide much more efficient Zstd compression and decompression by addressing a very unfortunate oversight in the existing code. Linux developer Usama Arif noted that the in-kernel Zstd code decides at run-time when creating a context for compression or decompression whether to pick the generic…
Shadowfetch Linux has announced version 3.0 of its Debian Testing-based distribution built around KDE Plasma 6, combining a traditional desktop environment with local AI tooling and Btrfs-based recovery features, introducing a major new focus on running autonomous coding agents in a more controlled, reversible environment. With the new 3.0 “Umbra” release, Shadowfetch is leaning much…
Ubuntu 26.10, codenamed ‘Stonking Stingray’, entered feature freeze on 20 August – though the formal announcement arrive later than usual. From this point onwards, development focus shifts from landing major changes to improving them, along with the rest of the package set, ahead of the final, stable Ubuntu 26.10 release in October. “Ideally, you should…
