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 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 PostgreSQL 17 SSL encryption and certificate-based authentication
databasesSet up HAProxy SSL termination with Let's Encrypt certificates
networkingConfigure HAProxy with Consul for dynamic service discovery
networkingConfigure PostgreSQL 17 connection pooling with PgBouncer for high availability
databasesConfigure Kubernetes secrets management with External Secrets Operator and HashiCorp Vault
devopsIntegrate Nagios Core 4.5 with Grafana dashboards for advanced monitoring visualization
Connect Nagios Core 4.5 with Grafana through NDOUtils and MySQL to create powerful monitoring dashboards. This integration provides advanced visualization capabilities, real-time alerting, and comprehensive monitoring insights for your infrastructure.
Configure OSPF with FRRouting 10 for dynamic routing protocols and network failover
Set up OSPF dynamic routing with FRRouting 10 for automatic network failover and route redistribution. Configure area authentication, routing policies, and monitoring for enterprise network resilience.
Configure Istio traffic management with virtual services and destination rules
Configure advanced Istio traffic management using virtual services for intelligent request routing and destination rules for load balancing and service subsets in production Kubernetes environments.
Configure Envoy proxy rate limiting and circuit breakers for microservices resilience
Learn to implement production-grade Envoy proxy with global and local rate limiting, circuit breakers, and health checks to build resilient microservices architecture that can handle traffic spikes and service failures gracefully.
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