OpenObserve vs ELK/Kibana: benefits and limits
Compare OpenObserve and Elastic: storage, costs, SQL, dashboards, security, licenses, and a proof-of-concept and migration roadmap.
Infrastructure
KeyDB: the multithreaded Redis fork, tested on 2026
KeyDB installed, replicated, and benchmarked in containers: the multithreaded Redis fork still runs, but has been stalled since 2023, loses writes after a network partition, and did not fix CVE-2025-49844. Comparison with Redis and Valkey, plus a recommendation.
Valkey in cluster: 3 primaries, 3 replicas and tested failover
Valkey cluster 9.1.2 with 3 primaries and 3 replicas: hash slots, MOVED/ASK, measured failover by killing a primary, reshard with atomic migration, persistence, ACL, TLS, systemd, and Valkey Admin.
MetalLB: LoadBalancer for bare metal Kubernetes with Layer 2 and BGP
Complete guide to MetalLB 0.16: why the LoadBalancer stays in pending on bare metal, how Layer 2 and BGP modes work, installation, IPAddressPool, annotations, traffic policy and troubleshooting, all tested in a lab with kind and FRR.
FileBrowser Quantum: the successor to File Browser, which has been archived
File Browser was archived on September 1, 2026, with no future security fixes. Understand why the project ended and how to install FileBrowser Quantum, the fork that replaces it, with Docker, systemd, and Nginx.
Filestash on Ubuntu and Debian: binary installation and comparison with File Browser
Compile Filestash from source, install the binary on Debian 13 or Ubuntu 24.04 with systemd and Nginx, and compare it with File Browser and FileBrowser Quantum to choose the right web file manager.
Go Uptime: self-hosted monitoring derived from Gatus
Meet Go Uptime, a fork of Gatus packaged as a single Go binary, with web administration, public status pages, push compatible with Uptime Kuma, MySQL/MariaDB and backup. Installation with Docker and systemd.
NVIDIA B300: the BIZON X9000 G5 server with 8 GPUs for AI
Understand the NVIDIA B300, the HGX B300 platform, and the BIZON X9000 G5. We analyze the video featuring a Kimi K3 and vLLM benchmark for up to 128 users, along with memory, networking, power, and evaluation criteria.
Gatus on Ubuntu: Monitoring as Code with Docker
Discover Gatus, deploy a self-hosted monitor with Docker on Ubuntu, and define your first check in YAML.
Uptime Kuma on Linux: self-hosted monitoring with Docker and Nginx
Install Uptime Kuma with Docker Compose, publish it with Nginx and configure alerts, status page and backup with security.