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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Linux
System administration, shell scripting, package management
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Security
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Performance
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Databases
MySQL, PostgreSQL, Redis, backups, replication
Networking
DNS, load balancing, VPN, TCP/IP, routing
DevOps
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Monitoring
Logging, alerting, metrics, observability
Most viewed
Install and configure Deno for web development with systemd and reverse proxy
hostingInstall and configure Uptime Kuma for website monitoring with SSL and email alerts
monitoringInstall and configure Caddy web server with automatic HTTPS and reverse proxy
hostingInstall and configure TimescaleDB with PostgreSQL for high-performance time-series data
databasesInstall and configure Ollama for local AI models on Linux servers
devopsRecently published
Configure HAProxy with Consul for dynamic service discovery and automatic backend updates
networkingImplement Istio multi-cluster canary deployments and traffic splitting
devopsImplement HAProxy WAF integration with ModSecurity 3 for advanced threat protection
securityConfigure PostgreSQL 17 SSL encryption and certificate-based authentication
databasesSet up HAProxy SSL termination with Let's Encrypt certificates
networkingImplement backup encryption key rotation and secure management with GPG and automated scripts
Build a production-grade backup encryption system with automated GPG key rotation, secure key distribution, and monitoring. Learn to implement enterprise-level key management policies with systemd timers and secure storage practices.
Implement Node.js application monitoring with Prometheus metrics and Grafana dashboards
Set up comprehensive Node.js application monitoring using Prometheus metrics collection with the prom-client library and create custom Grafana dashboards for performance insights and alerting.
Configure NTP monitoring with Grafana dashboards and Prometheus alerting
Set up comprehensive time synchronization monitoring using chrony, Prometheus node exporter, and custom Grafana dashboards with alerting for time drift and NTP service failures.
Configure Jaeger alerting with Prometheus and Grafana for distributed tracing observability
Set up comprehensive monitoring and alerting for Jaeger distributed tracing using Prometheus metrics collection and Grafana dashboards with automated alerts for trace performance issues.
Configure MariaDB 11.6 performance monitoring with Prometheus and Grafana dashboards
Set up comprehensive MariaDB monitoring with mysqld_exporter, Prometheus metrics collection, and custom Grafana dashboards for database performance insights and alerting.
Configure PM2 log rotation and advanced monitoring with Prometheus integration
Set up comprehensive PM2 monitoring with automated log rotation, Prometheus metrics, cluster mode management, and production-ready health checks for Node.js applications.
Monitor Caddy and Consul integration with Prometheus and Grafana dashboards
Set up comprehensive monitoring for Caddy reverse proxy and Consul service discovery with Prometheus metrics collection and Grafana dashboards for performance insights and alerting.
Configure CockroachDB SSL encryption and security hardening
Set up SSL/TLS encryption, authentication, and advanced security policies for CockroachDB 24.3 in production environments with certificate management and cluster monitoring.
Configure MySQL backup monitoring with Prometheus alerts and Grafana dashboards
Set up automated monitoring for MySQL backups with Prometheus metrics collection, alerting rules for backup failures, and comprehensive Grafana dashboards for backup status visualization.
Configure Prometheus Alertmanager with custom webhook integrations for Slack, Microsoft Teams, and PagerDuty notifications
Set up Prometheus Alertmanager with webhook receivers for Slack, Microsoft Teams, and PagerDuty notifications. Configure routing rules, test notifications, and implement alert escalation workflows for comprehensive monitoring coverage.
Implement Alertmanager high availability clustering with automatic failover and load balancing
Set up a production-grade Alertmanager cluster with gossip protocol for high availability, automatic failover, and load balancing. Ensure your monitoring alerts remain operational even when individual nodes fail.
Set up CockroachDB backup and disaster recovery automation with systemd timers and monitoring
Configure automated backup strategies for CockroachDB with systemd timers, implement comprehensive disaster recovery procedures, and set up monitoring with Prometheus and Grafana for production-grade database infrastructure.
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