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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Web servers, reverse proxies, SSL, domains
Security
Firewalls, hardening, encryption, access control
Performance
Caching, optimization, profiling, load testing
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 CockroachDB cluster with high availability and distributed SQL
databasesConfigure network interface monitoring with ICMP ping and connectivity testing
networkingConfigure Linux system time synchronization with chrony and NTP hardening
linuxInstall and configure PostgreSQL 17 with performance tuning and security hardening
databasesInstall and configure ArgoCD for GitOps continuous deployment with RBAC and SSL
devopsRecently published
Set up InfluxDB alerting with Kapacitor and notifications
monitoringConfigure Grafana dashboards for TimescaleDB analytics with real-time metrics and alerting
monitoringOptimize ClickHouse performance for high-throughput workloads with advanced tuning and memory management
performanceSet up TimescaleDB high availability with streaming replication and automatic failover
databasesIntegrate TimescaleDB with Telegraf for metrics collection and time-series monitoring
monitoringConfigure Grafana dashboards for TimescaleDB analytics with real-time metrics and alerting
Build comprehensive Grafana dashboards for TimescaleDB analytics with time-series visualizations, custom queries, and automated alerting for performance monitoring and data insights.
Configure TimescaleDB automated data retention policies for efficient storage management
Set up automated data retention and compression policies in TimescaleDB to optimize storage usage and maintain database performance. Learn to configure drop_chunks and compression policies with monitoring.
Monitor PostgreSQL performance with pg_stat_statements extension for query analysis and optimization
Set up pg_stat_statements extension to collect query statistics, analyze slow queries, and optimize PostgreSQL database performance with automated monitoring alerts.
Install and configure PgBouncer for PostgreSQL connection pooling with performance optimization
Set up PgBouncer to efficiently manage PostgreSQL connections, reduce database load, and improve application performance with proper authentication and monitoring.
Configure Tomcat 11 database connection pooling with JNDI and HikariCP for high availability
Set up production-grade database connection pooling in Tomcat 11 using JNDI resources and HikariCP for optimal performance and high availability. Learn to configure server.xml, context.xml, and monitor connection pools effectively.
Configure OpenResty with PostgreSQL connection pooling for database integration
Set up OpenResty with lua-resty-postgres for high-performance database connection pooling. This tutorial covers installation, connection management, health checks, and security hardening for production web applications.
Set up Apache Airflow high availability with CeleryExecutor and Redis clustering
Deploy Apache Airflow in high availability mode using CeleryExecutor with Redis clustering for task distribution, PostgreSQL connection pooling, and load-balanced webservers for production-grade workflow orchestration.
Implement TimescaleDB backup strategies and point-in-time recovery with automated failover
Configure comprehensive TimescaleDB backup solutions with continuous WAL archiving, automated point-in-time recovery procedures, and monitoring systems to ensure data protection and business continuity.
Setup Apache Airflow cluster with Kubernetes Executor for auto-scaling workflows
Deploy production-grade Apache Airflow with Kubernetes Executor for dynamic workflow scaling. Configure PostgreSQL backend, RBAC authentication, and auto-scaling policies with Prometheus monitoring integration.
Optimize PostgreSQL connection pooling with PgBouncer for high-traffic applications
Learn to configure PgBouncer connection pooling to optimize PostgreSQL performance, reduce connection overhead, and handle thousands of concurrent database connections efficiently in production environments.
Configure TimescaleDB continuous aggregates for real-time analytics with PostgreSQL optimization
Set up TimescaleDB continuous aggregates to automatically compute and maintain real-time materialized views for time-series data analytics. Configure refresh policies, optimize aggregate queries, and implement monitoring for production workloads.
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.
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