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

hosting
3,047

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

hosting
1,770

Install and configure Uvicorn ASGI server with systemd and reverse proxy for FastAPI applications

hosting
1,579

Install and configure Ollama for local AI models on Linux servers

devops
1,405

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

monitoring
1,283

Recently published

Implement NGINX Plus active health checks for enterprise environments

hosting
7 hours ago

Setup Prometheus Blackbox Exporter for endpoint monitoring with SSL and alerting

monitoring
12 hours ago

Configure Prometheus alerting with AlertManager notifications and webhook integration

monitoring
17 hours ago

Configure Elasticsearch cross-cluster replication for disaster recovery

databases
22 hours ago

Configure InfluxDB 2.7 clustering for high availability with data replication and automated failover

databases
1 day ago
"time drift" × Clear all
security Intermediate

Configure SSH two-factor authentication with Google Authenticator TOTP

Add an extra layer of security to SSH logins by requiring both a password and a time-based one-time password (TOTP) generated by Google Authenticator or compatible apps.

25 min 4 distros 152 views
networking Intermediate

Install and configure ntopng for comprehensive network monitoring with traffic analysis and real-time dashboards

Set up ntopng to monitor network traffic in real-time with detailed analytics, bandwidth monitoring, and customizable dashboards. Learn to configure interface monitoring, traffic analysis rules, and alerting for complete network visibility.

45 min 4 distros 136 views
databases Advanced

Optimize Cassandra data modeling and query performance with advanced tuning and monitoring

Master advanced Cassandra optimization with data modeling best practices, partition strategies, JVM tuning, and comprehensive monitoring. Learn to design efficient schemas, optimize queries, and implement Prometheus integration for production-grade performance.

45 min 4 distros 121 views
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 96 views
security Intermediate

Implement two-factor authentication for SSH with Google Authenticator and TOTP

Secure your SSH connections by adding TOTP-based two-factor authentication using Google Authenticator and PAM modules for an additional layer of protection beyond passwords and keys.

25 min 4 distros 205 views
linux Intermediate

Configure Linux system time synchronization with chrony and NTP hardening

Set up reliable time synchronization with chrony NTP client, configure secure time servers, and implement monitoring to prevent time drift on production servers.

25 min 6 distros 1,205 views

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