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
Hosting & Servers
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
CI/CD, Docker, Kubernetes, automation
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
hostingFix apt update E: Repository no longer has a Release file
linuxInstall and configure TimescaleDB with PostgreSQL for high-performance time-series data
databasesRecently published
Configure Logstash 8 security pipelines with threat intelligence enrichment
monitoringConfigure Ansible Vault integration with HashiCorp Vault for secrets management
devopsImplement Thanos Ruler for distributed alerting and recording rules across Prometheus clusters
monitoringSet up Thanos Query and Compactor for distributed metrics querying
monitoringConfigure Kubernetes network monitoring with Hubble and Cilium for traffic visibility
monitoringConfigure AWX backup and disaster recovery procedures with automated PostgreSQL snapshots and restoration
Set up comprehensive backup and disaster recovery for AWX (Ansible Tower) with automated PostgreSQL database snapshots, configuration backups, and tested restoration procedures to ensure business continuity.
Configure Zabbix 7 email and SMS alerting with escalation rules and notification automation
Set up comprehensive alerting in Zabbix 7 with email notifications, SMS gateway integration, and automated escalation chains. Configure media types, user groups, and action filters for effective incident response workflows.
Deploy Envoy-based service mesh in Kubernetes production environment with SSL and observability
Set up a production-ready Envoy service mesh in Kubernetes with mutual TLS authentication, SSL certificate management, and comprehensive observability through Prometheus monitoring and distributed tracing.
Set up Zabbix proxy for distributed network monitoring
Configure Zabbix proxy servers to distribute monitoring load across multiple network segments, reduce server load, and monitor remote locations through secure proxy connections.
Implement Envoy proxy JWT authentication with OAuth2 integration
Configure Envoy proxy with JWT authentication filters integrated with Keycloak OAuth2 provider for secure microservices communication and advanced rate limiting policies.
Configure Spark Kubernetes Operator with MinIO for cloud-native analytics
Deploy Apache Spark on Kubernetes with the Spark Operator and MinIO object storage for scalable big data processing. Configure RBAC, SSL certificates, and persistent storage for production-ready analytics workloads.
Configure Consul Connect with Kubernetes integration for secure service mesh communication
Set up Consul Connect as a service mesh on Kubernetes with Helm, enabling automatic mTLS encryption, service discovery, and traffic routing between microservices for secure inter-service communication.
Configure Istio distributed tracing with Jaeger and Zipkin for comprehensive microservices observability
Set up comprehensive distributed tracing in your Istio service mesh using both Jaeger and Zipkin backends. Configure telemetry collection, trace sampling, and monitoring dashboards for full microservices observability.
Implement TimescaleDB data retention policies for time-series optimization
Learn to configure automated data retention policies in TimescaleDB for efficient storage management. Set up compression, continuous aggregates, and automated data lifecycle policies to optimize time-series database performance and reduce storage costs.
Monitor Kubernetes cluster with Prometheus Operator for comprehensive observability
Set up complete cluster monitoring using Prometheus Operator with automated metrics collection, custom dashboards, and intelligent alerting for production Kubernetes environments.
Integrate Jaeger with Kubernetes and Istio service mesh for distributed tracing
Deploy Jaeger operator on Kubernetes with Istio telemetry integration for comprehensive distributed tracing across microservices. Configure Elasticsearch backend for production-grade trace storage and implement automated service discovery.
Configure Jaeger with NGINX reverse proxy and SSL termination
Set up Jaeger distributed tracing behind an NGINX reverse proxy with SSL termination and authentication. Learn to configure secure access, performance optimization, and production-ready monitoring for your microservices.
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