OpenObserve no Ubuntu: servidor dedicado, S3, GCS, OCI e MinIO

OpenObserve on Ubuntu: dedicated server, S3, GCS, OCI, and MinIO

After exploring OpenObserve and its unified platform for logs, metrics, and traces, the next step is to run it on a dedicated Ubuntu server without Docker. This guide installs the official binary as a systemd service, keeps OpenObserve's port on loopback, exposes the interface through nginx with TLS, and explains when to use local storage … Read more

OpenObserve: logs, métricas e traces em uma plataforma

OpenObserve: logs, metrics, and traces in one platform

When a service starts failing, the signals are usually scattered: metrics in Prometheus, logs in another backend, traces in a third tool, and alerts without context. OpenObserve aims to bring this work together in an open-source platform for logs, metrics, traces, RUM, dashboards, alerts, and incidents. Written in Rust, it queries logs and traces with … Read more

Project Rainier: o data center de IA da AWS que roda sem NVIDIA

Project Rainier: AWS's AI data center that runs without NVIDIA

Video summary: this article is an annotated and fact-checked summary of “No Nvidia Chips Needed! Amazon’s New AI Data Center For Anthropic Is Truly Massive” from CNBC, published on October 29, 2025. Video URL: https://www.youtube.com/watch?v=vnGC4YS36gU In October 2025, CNBC brought a camera into what would become … Read more

Cluster MariaDB Galera com mariabackup no Ubuntu

MariaDB Galera cluster with mariabackup on Ubuntu

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

A história do OTRS

The history of OTRS

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

A história do GLPI

The history of GLPI

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

A história do NagiosQL: o cfg que ganhou formulário

The History of NagiosQL: The cfg That Got a Form

On March 19, 2005, NagiosQL arrived on SourceForge. Martin of wizonet put on the web what Nagios administrators had been doing in vim: host, service, contact, timeperiod, template — in a form, in MySQL, with a button to write to disk and another to run nagios -v. Twenty-one years later, version 3.5.0 still … Read more