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
Optimize MongoDB 8.0 performance with advanced indexing strategies and aggregation pipelines
databasesConfigure ClamAV cluster with Kubernetes deployment for high availability antivirus scanning
securityOptimize Elasticsearch 8 search performance with custom analyzers and field mappings
databasesConfigure CockroachDB SSL encryption and security hardening
securityConfigure MySQL backup monitoring with Prometheus alerts and Grafana dashboards
monitoringIntegrate Zabbix 7 with network automation and orchestration tools using Ansible and Python APIs
Build comprehensive network automation workflows by integrating Zabbix 7 monitoring with Ansible playbooks and custom Python scripts. This tutorial covers API authentication, automated host provisioning, and dynamic monitoring configuration for enterprise infrastructure management.
Implement Prometheus federation for multi-cluster monitoring with centralized metrics aggregation
Set up hierarchical Prometheus federation to monitor multiple Kubernetes clusters with a central aggregation layer. Configure global and local Prometheus instances with federated scrape jobs, service discovery, and unified dashboards for enterprise-scale observability.
Configure MinIO high availability clustering for production with multi-node setup and automatic failover
Set up a production-ready MinIO cluster with multiple nodes, erasure coding, and automatic failover. This tutorial covers distributed mode configuration, load balancing with SSL termination, and health monitoring for enterprise object storage.
Configure advanced Consul ACL policies for production security hardening
Set up comprehensive Consul Access Control Lists with bootstrap tokens, role-based permissions, and secure inter-node communication for production environments. This tutorial covers ACL system initialization, policy creation, and agent token configuration.
Configure Deno application clustering with load balancing for high availability
Set up Deno application clustering with worker threads and HAProxy load balancing for production-grade high availability deployments. Configure health checks, monitoring, and automatic failover mechanisms.
Set up network monitoring with Nagios Core 4.5 and SNMP for infrastructure alerting
Configure Nagios Core 4.5 with SNMP monitoring to track network devices, servers, and services with automated alerting. Set up custom monitoring templates, notification systems, and dashboards for comprehensive infrastructure visibility.
Configure SSL encryption and authentication for ClamAV cluster with high availability scanning
Set up a secure ClamAV cluster with SSL/TLS encryption, certificate-based authentication, and load balancing for enterprise-grade antivirus scanning. This tutorial covers SSL certificate generation, encrypted inter-node communication, and HAProxy SSL termination.
Setup Elasticsearch monitoring with Metricbeat and Kibana dashboards
Monitor your Elasticsearch cluster performance with Metricbeat for comprehensive metrics collection and visualization through pre-built Kibana dashboards. This tutorial covers installation, configuration, and automated alerting.
Configure Vault auto-unseal with AWS KMS for high availability secrets management
Set up HashiCorp Vault with AWS KMS auto-unseal to eliminate manual unsealing processes and enable high availability deployments with automatic recovery.
Configure Redis 7 Lua scripting and modules for advanced data processing
Enable and optimize Redis 7 Lua scripting capabilities, install custom modules, and implement advanced data processing scripts with performance monitoring for high-throughput applications.
Configure MongoDB 8.0 backup automation with systemd timers and compression
Set up automated MongoDB 8.0 backups with systemd timers, compression, and retention policies. Includes monitoring and alerting for backup failures across Ubuntu, Debian, AlmaLinux, and Rocky Linux systems.
Set up automated network topology discovery with SNMP and LLDP for infrastructure mapping
Build an automated network discovery system that uses SNMP and LLDP protocols to map your infrastructure topology, detect device relationships, and create visual network diagrams with real-time monitoring integration.
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