Video summary: this article is a detailed summary of “AMD Beats Nvidia On Every Spec And Still Loses” from The Stack. Video URL: https://www.youtube.com/watch?v=bOHhUVSDmrw On paper, there should not even be a contest: the AMD MI300X accelerator carries 192 GB of memory against 80 GB on the Nvidia H100 and moves 5.3 TB/s of bandwidth … Read more
Anyone who has built an email server with Postfix + Dovecot knows the ritual: the classic PHP PostfixAdmin, a web server configured just for it, and an interface frozen in time. go-postfixadmin is my modern answer: a single Go binary with the entire Vue 3 frontend embedded — a dashboard … Read more
In the first part of this pair, we built .deb packages for Debian and Ubuntu. Now it is the Red Hat family’s turn — RHEL, Fedora, Rocky, AlmaLinux, and, by extension, openSUSE: we will create .rpm packages from scratch, from the spec file to our own dnf repository, covering rpmbuild, rpmlint, mock, and GPG signing. How RPM works Unlike … Read more
Distributing software for Debian, Ubuntu, Mint, and derivatives without a .deb means leaving the job half done: no dependency management, clean updates, or removal without leftovers. The good news: creating a decent .deb package is easier than its reputation suggests. In this complete guide, you will go from a handcrafted package with dpkg-deb to a package … Read more
AI agents that live in your terminal have become a commodity — but an agent that learns from its own experience is still rare. Hermes Agent, from Nous Research, is exactly that: an open source agent (MIT, written in Python) with a built-in learning loop — it creates skills from the tasks it … Read more
Migrate IMAP mailboxes with go-imapsync: installation, protected credentials, TLS, dry run, incremental copy and validation, with the limits of version 0.1.3.
Three Ubuntu nodes, one Galera, SST with mariabackup. It is not asynchronous replication: every node accepts writes and the majority decides who stays up. Two nodes are not enough — if one goes down, the other is left alone, without a majority. Below is the three-node cluster from the galera_new_cluster package, on Ubuntu 24.04 and 26.04, with backup a … Read more
OTRS started as Open Ticket Request System. Then it became Open Technology Real Services, and later just the four letters. What has not changed in twenty-five years is the core: Perl, queues, and email turning into tickets. In 2026, the commercial name belongs to EasyVista; the free code lives on in forks. Below is the timeline, without the folklore of … Read more
GLPI is the French acronym for Gestionnaire Libre de Parc Informatique — the free IT asset manager. It began in 2003 at the INDEPNET association, became a Teclib’ product in 2015, and on 1 October 2025 reached version 11. In June 2026, the stable community release is 11.0.8; version 10.0 still … Read more
Debian 12 ships PHP 8.2. Ubuntu 24.04 ships 8.3. Debian 13, 8.4. Ubuntu 26.04, 8.5. A real host needs all three at once: the old WordPress site, the new Laravel application, and the cron CLI. The distribution repository does not allow it. Ondřej Surý’s does. nginx comes from nginx.org — stable, pinned, without mixing … Read more
