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

9,936

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

monitoring

5,666

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

hosting

4,703

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

databases

4,118

Install and configure Ollama for local AI models on Linux servers

devops

4,081

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

1 week ago

Configure HAProxy with Consul for dynamic service discovery

networking

2 weeks 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

3 weeks ago

"time-synchronization" × Clear all

monitoring Intermediate

Monitor system time drift with Prometheus and Grafana alerts

Set up comprehensive time synchronization monitoring with Prometheus node exporter metrics, Grafana dashboards, and automated alerting to prevent system clock drift issues in production environments.

45 min 4 distros 637 views

networking Intermediate

Configure NTP server with chrony and security hardening for precise time synchronization

Set up a production-grade NTP server using chrony with client access controls, firewall rules, and security hardening. Learn to configure upstream time sources, implement monitoring, and troubleshoot common synchronization issues.

35 min 4 distros 1,733 views

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