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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Configure Linux system time synchronization with chrony and NTP hardening

linux
873

Set up Node.js application security with Helmet and rate limiting

security
753

Install and configure Caddy web server with automatic HTTPS and reverse proxy

hosting
734

Install and configure Uvicorn ASGI server with systemd and reverse proxy for FastAPI applications

hosting
728

Install and configure PostgreSQL 17 with performance tuning and security hardening

databases
717

Recently published

Configure OSSEC active response for automated threat blocking

security
1 hour ago

Configure CockroachDB 24.3 multi-region deployment with high availability clustering

databases
1 hour ago

Set up Fail2ban with Cloudflare API integration for automatic IP blocking and enhanced security

security
1 hour ago

Configure keepalived with HAProxy backend health monitoring for high availability load balancing

networking
1 hour ago

Configure ModSecurity machine learning anomaly detection for automated threat protection

security
6 hours ago
"alerts" × Clear all
databases Advanced

Optimize CockroachDB 24.3 performance with advanced tuning and configuration

Master advanced CockroachDB 24.3 performance optimization through memory, CPU, storage, and query tuning. Configure cluster parameters, connection pooling, and indexing strategies for production-grade distributed SQL workloads.

45 min 4 distros 107 views
linux Intermediate

Configure system backup automation with BorgBackup and systemd timers

Set up automated, deduplicated backups with BorgBackup and systemd timers for reliable system protection. This tutorial covers installation, repository setup with encryption, automated scheduling, and monitoring for production environments.

45 min 4 distros 127 views
monitoring Intermediate

Configure Linux system performance monitoring with sar and sysstat for real-time metrics collection

Set up comprehensive system performance monitoring using sar and sysstat to collect CPU, memory, disk I/O, and network metrics with automated reporting and custom alerting for production Linux servers.

25 min 4 distros 131 views
monitoring Intermediate

Set up ClickHouse monitoring with Prometheus and Grafana dashboards

Configure comprehensive ClickHouse monitoring using Prometheus for metrics collection and Grafana for visualization. Set up system metrics, query performance monitoring, and alerting rules for production ClickHouse deployments.

45 min 4 distros 247 views
monitoring Intermediate

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.

45 min 4 distros 141 views
monitoring Intermediate

Monitor Cherokee web server performance with custom Grafana dashboards and Prometheus alerts

Set up comprehensive monitoring for Cherokee web server with Prometheus metrics collection, custom Grafana dashboards for performance visualization, and automated alerting for critical performance thresholds.

45 min 4 distros 171 views
monitoring Intermediate

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.

25 min 4 distros 152 views
monitoring Intermediate

Set up log alerting with Fluentd and Prometheus Alertmanager for centralized monitoring

Configure Fluentd to collect and parse logs, integrate with Prometheus metrics collection, and set up Alertmanager for intelligent routing of log-based alerts to multiple notification channels.

45 min 4 distros 168 views
devops Intermediate

Setup Kubernetes Ingress NGINX with cert-manager for automated SSL certificates

Learn to deploy NGINX Ingress Controller with cert-manager for automatic SSL certificate provisioning and renewal using Let's Encrypt in production Kubernetes clusters.

35 min 4 distros 220 views
monitoring Advanced

Set up Jaeger multi-datacenter replication for disaster recovery and high availability

Configure Jaeger distributed tracing with multi-datacenter replication for high availability and disaster recovery. Learn to set up primary and secondary datacenters with automated failover and cross-region data synchronization.

90 min 4 distros 302 views
databases Intermediate

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.

45 min 4 distros 173 views
networking Advanced

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.

45 min 4 distros 240 views

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