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
Configure Consul Connect service mesh monitoring with distributed tracing
monitoringConfigure Kubernetes RBAC with service accounts and cluster roles for secure access control
devopsImplement Deno microservices architecture with service discovery and load balancing
devopsImplement Kubernetes security scanning with Falco and OPA Gatekeeper for runtime protection
securityConfigure OpenTelemetry custom metrics for application monitoring with Prometheus and Grafana
monitoringSetup Prometheus Blackbox Exporter for endpoint monitoring with SSL and alerting
Configure Prometheus Blackbox Exporter to monitor HTTP endpoints, SSL certificates, and DNS resolution with automated alerting rules and Grafana dashboards.
Optimize Varnish 7 cache storage with memory tuning and persistence configuration
Configure Varnish 7 memory allocation and storage backends for optimal cache performance. Set up file-based persistence and tune memory parameters for high-traffic workloads with monitoring.
Set up Prometheus and Grafana monitoring stack with Docker Compose
Deploy a complete Prometheus and Grafana monitoring solution using Docker Compose with persistent storage, custom dashboards, and Alertmanager integration for production-ready observability.
Configure audit compliance automation with Ansible for security monitoring and reporting
Build comprehensive security audit compliance automation using Ansible playbooks to enforce security policies, monitor system configurations, and generate compliance reports across your Linux infrastructure fleet.
Configure Linux audit system with SIEM integration for Splunk security monitoring
Set up auditd with custom security rules, configure Splunk Universal Forwarder for log shipping, and implement real-time monitoring workflows for comprehensive security event tracking and compliance reporting.
Implement ClickHouse backup automation with compression and S3 integration
Set up automated ClickHouse backups with compression, S3 storage, and systemd timers. Includes monitoring, encryption, and recovery procedures for production environments.
Install and configure Filebeat 8.15 for efficient log shipping to ELK stack
Set up Filebeat 8.15 to collect and ship logs from multiple sources to Elasticsearch. Configure SSL/TLS security, performance optimization, and monitoring for production-grade log aggregation.
Set up Alertmanager with email and Slack notifications for monitoring alerts
Configure Prometheus Alertmanager with email SMTP and Slack webhook integrations for comprehensive monitoring notifications. Set up alert routing rules and test notification delivery.
Configure Consul multi-datacenter WAN federation for geographic redundancy
Set up Consul WAN federation to connect multiple datacenters for global service discovery and failover. This tutorial covers primary and secondary datacenter configuration with ACL token replication and cross-datacenter networking.
Set up PHP application performance monitoring with APM tools and real-time metrics collection
Monitor PHP application performance with New Relic APM and Elastic APM, implement custom metrics collection, and set up comprehensive Grafana dashboards for real-time application observability and performance optimization.
Configure PHP Composer for dependency management and autoloading
Set up PHP Composer with global configuration, PSR-4 autoloading, and dependency management workflows for modern PHP development across Ubuntu, Debian, AlmaLinux, and Rocky Linux distributions.
Configure encrypted network storage with LUKS and NFS for secure file sharing
Set up enterprise-grade encrypted network storage by combining LUKS disk encryption with NFS file sharing. This advanced configuration provides secure, centralized file access across multiple systems while maintaining data protection at rest.
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