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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Databases
MySQL, PostgreSQL, Redis, backups, replication
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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
networkingConfigure HAProxy with Consul for dynamic service discovery and automatic backend updates
Build a self-updating load balancer by integrating HAProxy with Consul service discovery, consul-template, and health checks so backends register and deregister automatically without manual reloads.
Configure PostgreSQL 17 SSL encryption and certificate-based authentication
Set up a private CA, issue server and client certificates, enforce TLS 1.2+ with strong ciphers, and configure pg_hba.conf for mutual TLS client certificate authentication in PostgreSQL 17.
Set up HAProxy SSL termination with Let's Encrypt certificates
Learn how to terminate SSL/TLS at HAProxy using Let's Encrypt certificates, redirect HTTP to HTTPS, automate renewal with deploy hooks, and harden your cipher suites for production load balancing.
Configure Kubernetes secrets management with External Secrets Operator and HashiCorp Vault
Learn how to deploy External Secrets Operator on Kubernetes, integrate it with HashiCorp Vault using the Kubernetes auth method, and sync secrets via SecretStore and ClusterSecretStore resources with production-grade RBAC and monitoring.
Setup ScyllaDB backup validation and automated restore testing
Configure automated ScyllaDB backups with nodetool snapshots, implement validation scripts to verify backup integrity, and set up systemd timers for automated restore testing with Prometheus monitoring.
Implement enterprise network QoS with Cisco integration using FRRouting and traffic shaping
Configure enterprise-grade Quality of Service policies with DSCP marking, traffic shaping using tc and HTB, and seamless integration with Cisco equipment through FRRouting BGP and OSPF routing protocols for comprehensive network bandwidth management.
Configure ScyllaDB cluster monitoring with Prometheus and Grafana dashboards
Set up comprehensive monitoring for ScyllaDB clusters using Prometheus metrics collection and Grafana visualization dashboards. Configure alerting rules for performance monitoring and health checks.
Setup S3-compatible disaster recovery with cross-region replication using MinIO
Configure MinIO clusters across multiple regions with automated cross-region bucket replication, SSL encryption, and comprehensive monitoring for enterprise-grade disaster recovery.
Configure Redis cluster monitoring with custom Grafana dashboards
Set up comprehensive monitoring for your Redis cluster using redis_exporter, Prometheus, and Grafana. Configure custom dashboards and alerting rules to track performance metrics, cluster health, and resource utilization.
Configure ArgoCD Image Updater for automated container deployments
Set up ArgoCD Image Updater to automatically detect and deploy new container image versions in your GitOps workflow. Includes Git repository integration, webhook configuration, and monitoring setup.
Setup MinIO monitoring with Prometheus and Grafana dashboards
Configure comprehensive monitoring for MinIO object storage with Prometheus metrics collection and Grafana dashboards for performance, capacity, and health tracking.
Implement 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.
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