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

97 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

9,895

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

monitoring

5,571

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

hosting

4,602

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

databases

4,005

Install and configure Ollama for local AI models on Linux servers

devops

3,989

Recently published

Configure PostgreSQL 17 SSL encryption and certificate-based authentication

databases

5 days ago

Set up HAProxy SSL termination with Let's Encrypt certificates

networking

1 week ago

Configure HAProxy with Consul for dynamic service discovery

networking

1 week ago

Configure PostgreSQL 17 connection pooling with PgBouncer for high availability

databases

2 weeks ago

Configure Kubernetes secrets management with External Secrets Operator and HashiCorp Vault

devops

2 weeks ago

"connection pooling" × Clear all

performance Intermediate

Optimize MySQL query performance with indexes and query profiling for high-traffic applications

Learn how to dramatically improve MySQL query performance using proper indexing strategies, query profiling tools, and InnoDB optimization techniques. This tutorial covers slow query log analysis, EXPLAIN plan interpretation, and memory tuning for production databases.

45 min 6 distros 1,050 views

databases Intermediate

Install and configure PostgreSQL 17 with performance tuning and security hardening

Learn to install PostgreSQL 17 from official repositories, optimize performance with proper memory settings, and implement security best practices including SSL encryption and authentication hardening.

45 min 6 distros 1,616 views

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