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
869

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
732

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

hosting
725

Install and configure PostgreSQL 17 with performance tuning and security hardening

databases
714

Recently published

Configure OSSEC active response for automated threat blocking

security
7 minutes ago

Configure CockroachDB 24.3 multi-region deployment with high availability clustering

databases
8 minutes ago

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

security
11 minutes ago

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

networking
13 minutes ago

Configure ModSecurity machine learning anomaly detection for automated threat protection

security
5 hours ago
"alerts" × Clear all
devops Advanced

Set up Consul multi-datacenter replication with ACL token replication

Configure Consul WAN federation across multiple datacenters with secure ACL token replication. Enable automatic token synchronization, gossip encryption, and cross-datacenter service discovery for distributed infrastructure.

45 min 4 distros 21 views
devops Intermediate

Configure 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.

45 min 4 distros 54 views
monitoring Intermediate

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.

45 min 4 distros 68 views
devops Intermediate

Configure GitLab container registry cleanup policies and storage management

Set up automated cleanup policies for GitLab container registry to manage storage costs and remove unused container images. This tutorial covers UI configuration, API automation, and monitoring for production environments.

25 min 4 distros 53 views
devops Intermediate

Set up GitLab backup and disaster recovery with automated restoration

Configure automated GitLab backups with disaster recovery procedures and automated restoration scripts. Includes monitoring, alerting, and production-grade recovery workflows.

45 min 4 distros 68 views
monitoring Intermediate

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.

45 min 4 distros 62 views
devops Intermediate

Configure Kafka Streams for real-time data processing and analytics

Set up Kafka Streams applications with Java development environment to build real-time data processing pipelines for analytics and monitoring workloads.

45 min 4 distros 5 views
networking Advanced

Configure advanced gRPC load balancing with Envoy Proxy health checks and circuit breakers

Set up Envoy Proxy with intelligent gRPC load balancing, health checks, and circuit breakers for production microservices. Includes SSL termination, monitoring integration, and security hardening.

45 min 4 distros 20 views
monitoring Intermediate

Configure NGINX monitoring with Prometheus and Grafana dashboards for real-time web server performance metrics

Set up comprehensive NGINX monitoring using Prometheus metrics collection and custom Grafana dashboards to track web server performance, request rates, and response times in real-time.

45 min 4 distros 44 views
monitoring Advanced

Implement Grafana high availability clustering with PostgreSQL backend and load balancing

Set up a production-ready Grafana high availability cluster with PostgreSQL shared database backend and HAProxy load balancing for enterprise monitoring infrastructure with automatic failover.

45 min 4 distros 54 views
devops Advanced

Configure Apache Airflow data lineage tracking with OpenLineage for comprehensive workflow observability

Set up OpenLineage with Apache Airflow to track data lineage across workflows, providing comprehensive observability into data transformations, dependencies, and quality issues in production environments.

45 min 4 distros 13 views
networking Advanced

Implement Kubernetes network policies with Calico for microsegmentation

Configure Calico CNI to enforce network policies for pod-to-pod traffic control and namespace isolation. This tutorial covers advanced microsegmentation patterns, ingress/egress rules, and policy monitoring for production Kubernetes security.

45 min 4 distros 110 views

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