Infrastructure and DevOps concepts — DNS, Docker, CI/CD pipelines, cron jobs, Linux commands, and the command line tools that keep systems running.
A practical guide to Terraform: Infrastructure as Code concepts, HCL syntax, providers, state management, the plan/apply workflow, and best practices.
A practical guide to service meshes: sidecar proxy pattern, Istio and Linkerd, mutual TLS, traffic management, and when a service mesh is worth the complexity.
A practical guide to Content Delivery Networks: how edge caching works, cache headers, purging strategies, and choosing between Cloudflare, Fastly, and CloudFront.
A practical guide to monitoring and observability: the three pillars (metrics, logs, traces), SLOs and SLIs, alerting strategies, and tooling choices.
A practical guide to load balancing: Layer 4 vs Layer 7, round robin, least connections, weighted algorithms, health checks, and cloud load balancer options.
Essential Linux command line commands for developers: file management, text processing, networking, process management, and shell scripting.
A practical guide to Kubernetes core concepts: pods, containers, services, deployments, ReplicaSets, namespaces, and how they fit together.
A complete guide to DNS: how domain names resolve to IP addresses, record types, TTL, caching, and security.
A complete developer guide to cron jobs: the cron expression format, special characters, managing crontabs, timezone pitfalls, and modern infrastructure equivalents.
A practical guide to Docker: containers vs VMs, images, Dockerfiles, volumes, networking, and orchestration with Kubernetes.
A complete guide to CI/CD: how build, test, and deployment pipelines work, from GitHub Actions to Jenkins and beyond.
A practical guide to Ansible: agentless configuration management, YAML playbooks, inventory management, idempotency, roles, and comparison with Puppet and Chef.
SysCast reviews tools.fun — a comprehensive collection of 25+ web-based developer utilities.
LinuxCIO explores how tools.fun utilities complement enterprise Linux management.
CodePush guide to implementing over-the-air mobile updates using tools.fun developer utilities.