Step-by-step Linux, Kubernetes and cloud tutorials drawn from over 10 years of keeping production environments running. Every command tested, nothing hand-waved.
AWS Regions, Availability Zones, Local Zones and edge locations explained, with real CLI output, latency tests and tips for choosing a Region.
Continue Reading →Terraform CLI commands in practice: init, validate, fmt, saved plans, apply, destroy, outputs, state, graph and console, tested on Ubuntu and RHEL.
Continue Reading →AWS fundamentals for beginners and Linux admins: cloud vs on-prem, IaaS, PaaS and SaaS, CLI and SDK, shared responsibility, pricing and the Free Tier.
Continue Reading →Install and configure Terraform on Ubuntu, RHEL, Windows and macOS. Set up the CLI config, plugin cache, tfenv, VS Code and safe upgrades.
Continue Reading →Monitor Node.js application performance with New Relic APM: install the agent, run it with systemd, read transactions, errors and event loop data, and alert.
Continue Reading →Learn what Terraform is, how init, plan and apply work, and how state and the dependency graph fit together, with a no-cloud demo you can run in minutes.
Continue Reading →Monitor Docker containers with New Relic free tier: install the infrastructure agent, read container CPU against limits, query with NRQL and set real alerts.
Continue Reading →Install the New Relic infrastructure agent on RHEL 9 and Ubuntu, tune it, query server data with NRQL, set alerts and fix common errors.
Continue Reading →Infrastructure as code explained with real Terraform, OpenTofu and Ansible output: declarative vs imperative, immutable servers, tool comparison and GitOps.
Continue Reading →Monitor Nginx and PostgreSQL with Munin: enable stub_status, link the wildcard postgres plugins, test with munin-run, and read real graphs from a live node.
Continue Reading →
