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 Caddy web server with automatic HTTPS and reverse proxy
hostingInstall and configure Ollama for local AI models on Linux servers
devopsInstall and configure Uvicorn ASGI server with systemd and reverse proxy for FastAPI applications
hostingInstall and configure Uptime Kuma for website monitoring with SSL and email alerts
monitoringRecently published
Setup Node.js error tracking with Sentry for production monitoring and debugging
monitoringImplement Node.js application monitoring with Prometheus metrics and Grafana dashboards
monitoringImplement OSPF multi-area design with FRRouting and advanced routing policies
networkingConfigure Istio security policies with external authorization services integration
securityImplement Docker network security with custom bridge networks and container isolation
securityInstall and configure Nomad for container orchestration with Consul integration
Set up HashiCorp Nomad cluster with Consul service discovery for production container orchestration. Learn job scheduling, ACL security, TLS encryption, and monitoring deployment.
Install and configure ArgoCD for GitOps continuous deployment with RBAC and SSL
Set up ArgoCD on Kubernetes with SSL certificates, RBAC user management, and high availability for production GitOps continuous deployment workflows.
Install and configure Apache Airflow with PostgreSQL backend and secure production deployment
Learn to deploy Apache Airflow in production with PostgreSQL backend, systemd services, SSL/TLS encryption, and security hardening for enterprise workflow orchestration.
Install and configure Keycloak for enterprise authentication with clustering
Set up Keycloak as an enterprise identity provider with PostgreSQL backend, SSL encryption, and high availability clustering for OAuth2, OpenID Connect, and SAML authentication across your organization.
Install and configure ClickHouse for high-performance analytics with clustering
Set up ClickHouse OLAP database with clustering support for real-time analytics workloads. Configure distributed tables, security, SSL encryption, and monitoring for production environments.
Install and configure Zabbix 7 with PostgreSQL and advanced monitoring templates
Set up Zabbix 7 monitoring server with PostgreSQL backend, SSL-enabled web interface, auto-discovery, and advanced monitoring templates for comprehensive infrastructure monitoring.
Install and configure Nexus Repository Manager for private Docker and Maven repositories
Set up Nexus Repository Manager OSS with SSL-enabled Docker registry, Maven repositories, and automated backups for secure artifact management in enterprise environments.
Install and configure Kubernetes cluster with kubeadm and security hardening
Set up a production-ready Kubernetes cluster using kubeadm with proper security hardening, RBAC configuration, and CNI networking. Includes worker node setup and verification steps.
Install and configure Ansible with automation best practices and security
Learn to install Ansible on Linux, configure secure SSH authentication, create production-ready playbooks with Vault encryption, and implement roles for scalable infrastructure automation.
Install and configure Consul for service discovery with clustering and security
Set up HashiCorp Consul for distributed service discovery with a secure three-node cluster, ACL authentication, and encrypted communication for production microservices environments.
Install and configure Apache Kafka with cluster setup and monitoring
Set up a production-ready Apache Kafka cluster with SSL security, ZooKeeper ensemble, and comprehensive monitoring using JMX and Prometheus for high-throughput message streaming.
Install and configure Vault for secrets management with high availability
Set up HashiCorp Vault with Consul backend for production-grade secrets management. Configure clustering, authentication, policies, and security hardening for enterprise environments.
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