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.
Practical guide to Asynq, the task queue in Go on Redis: priorities, retries with backoff, scheduling, cron, deduplication, graceful shutdown, CLI, Asynqmon panel, Prometheus, and systemd, tested with Redis 8 and Valkey 8.
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.
Apache Guacamole guide: architecture, Docker Compose with PostgreSQL, RDP/SSH/VNC access, LDAP and Active Directory, SSO, MFA, security, and backup.
Asset inventory only works when the agent can run across the entire fleet, reliably identify each machine, and deliver data that GLPI understands. go-glpi-agent is a Go reimplementation of the FusionInventory/GLPI ecosystem's inventory agent: a static binary that collects hardware and software information locally and sends the results to … Read more
Install mcp-wp-go, convert Markdown to HTML, and automate posts and media with review, dedicated credentials, and public validation.
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
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
Install Ansible on Ubuntu, set up inventory and an SSH key, run ad-hoc commands, and write your first playbook with a variable, template, and handler, simulating before applying. Everything was tested with ansible-core 2.21.
Go began on a Google whiteboard on September 21, 2007, because C++ took too long to compile. In November 2025, the language marked 16 years of open source development. In September 2026, the stable release is 1.27.1. Docker, Kubernetes, Terraform, the go you install on Linux — all of it descends … Read more
