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

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

monitoring

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hosting

4,689

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

databases

4,117

Install and configure Ollama for local AI models on Linux servers

devops

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Recently published

Configure PostgreSQL 17 SSL encryption and certificate-based authentication

databases

1 week ago

Set up HAProxy SSL termination with Let's Encrypt certificates

networking

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Configure HAProxy with Consul for dynamic service discovery

networking

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Configure PostgreSQL 17 connection pooling with PgBouncer for high availability

databases

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Configure Kubernetes secrets management with External Secrets Operator and HashiCorp Vault

devops

3 weeks ago

"smartd" × Clear all

linux Intermediate

Set up RAID arrays with mdadm for performance and redundancy

Configure Linux software RAID arrays with mdadm to improve disk performance and protect against drive failures. Learn to create RAID 0, 1, 5, 6, and 10 configurations with automatic monitoring and management.

45 min 4 distros 657 views

monitoring Intermediate

Set up Linux storage monitoring with smartmontools and automated health alerts

Monitor disk health and prevent storage failures with S.M.A.R.T monitoring, automated email alerts, and custom dashboards. Covers smartd daemon configuration, health checks, and integration with monitoring systems.

25 min 4 distros 655 views

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