Infrastructure tutorials

Production-grade guides for Linux, servers, security and performance. Copy-paste commands, multi-distro support, written by engineers who run this in production.

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47 guides

Linux

System administration, shell scripting, package management

66 guides

Hosting & Servers

Web servers, reverse proxies, SSL, domains

146 guides

Security

Firewalls, hardening, encryption, access control

45 guides

Performance

Caching, optimization, profiling, load testing

96 guides

Databases

MySQL, PostgreSQL, Redis, backups, replication

61 guides

Networking

DNS, load balancing, VPN, TCP/IP, routing

158 guides

DevOps

CI/CD, Docker, Kubernetes, automation

169 guides

Monitoring

Logging, alerting, metrics, observability

Most viewed

Install and configure Deno for web development with systemd and reverse proxy

hosting

9,835

Install and configure Uptime Kuma for website monitoring with SSL and email alerts

monitoring

5,423

Install and configure Caddy web server with automatic HTTPS and reverse proxy

hosting

4,455

Install and configure Ollama for local AI models on Linux servers

devops

3,890

Install and configure TimescaleDB with PostgreSQL for high-performance time-series data

databases

3,856

Recently published

Set up HAProxy SSL termination with Let's Encrypt certificates

networking

2 days ago

Configure HAProxy with Consul for dynamic service discovery

networking

4 days ago

Configure PostgreSQL 17 connection pooling with PgBouncer for high availability

databases

1 week ago

Configure Kubernetes secrets management with External Secrets Operator and HashiCorp Vault

devops

1 week ago

Integrate Jaeger with Istio service mesh for distributed tracing

devops

1 week ago

"security-hardening" × Clear all

devops Intermediate

Install and configure Nexus Repository Manager for private Docker and Maven repositories

Set up Nexus Repository Manager OSS with SSL-enabled Docker registry, Maven repositories, and automated backups for secure artifact management in enterprise environments.

45 min 6 distros 1,564 views

devops Intermediate

Install and configure Ansible with automation best practices and security

Learn to install Ansible on Linux, configure secure SSH authentication, create production-ready playbooks with Vault encryption, and implement roles for scalable infrastructure automation.

45 min 6 distros 1,178 views

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