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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Install and configure Deno for web development with systemd and reverse proxy

hosting
5,729

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

hosting
2,158

Install and configure Ollama for local AI models on Linux servers

devops
2,046

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

hosting
1,915

Install and configure Uptime Kuma for website monitoring with SSL and email alerts

monitoring
1,758

Recently published

Setup Node.js error tracking with Sentry for production monitoring and debugging

monitoring
3 hours ago

Implement Node.js application monitoring with Prometheus metrics and Grafana dashboards

monitoring
12 hours ago

Implement OSPF multi-area design with FRRouting and advanced routing policies

networking
17 hours ago

Configure Istio security policies with external authorization services integration

security
22 hours ago

Implement Docker network security with custom bridge networks and container isolation

security
1 day ago
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security Beginner

Configure SSH key authentication and disable password login for secure server access

Set up SSH public key authentication on Linux servers and disable password-based logins to prevent brute force attacks and improve security. This tutorial covers key generation, server configuration, and troubleshooting common authentication issues.

20 min 6 distros 874 views
databases Intermediate

Install and configure ScyllaDB cluster with replication and performance tuning

Set up a production-ready ScyllaDB cluster with multi-node configuration, automatic replication, and performance optimization. ScyllaDB provides 10x better performance than Cassandra with drop-in compatibility.

45 min 6 distros 779 views
security Intermediate

Configure ClamAV antivirus scanning with automated threat detection and email alerts

Set up ClamAV daemon for real-time malware detection with automated scanning schedules, email notifications for threats, and optimized performance settings for production servers.

25 min 6 distros 815 views
performance Intermediate

Optimize Redis 7 memory usage and performance with advanced configuration tuning

Learn to optimize Redis 7 memory consumption and performance through advanced configuration tuning, including eviction policies, compressed data structures, active defragmentation, and comprehensive monitoring techniques.

25 min 6 distros 915 views
linux Intermediate

Configure Linux system firewall with nftables and security hardening

Learn how to configure nftables firewall with advanced security rules, rate limiting, and fail2ban integration. This tutorial covers migration from iptables, logging configuration, and production-grade security hardening for modern Linux systems.

45 min 6 distros 890 views
devops Advanced

Implement Kubernetes cluster autoscaling with Helm charts and KEDA for dynamic workload scaling

Configure comprehensive Kubernetes autoscaling with cluster autoscaler for node management, KEDA for event-driven pod scaling, and vertical pod autoscaler for resource optimization. This tutorial covers production-grade deployment using Helm charts with monitoring and optimization strategies.

45 min 4 distros 623 views
security Intermediate

Configure GitLab LDAP authentication and user management with Active Directory integration

Set up GitLab LDAP authentication with Active Directory to centralize user management, enable automatic user provisioning, and implement group-based access control for your GitLab instance.

45 min 4 distros 726 views
devops Intermediate

Setup SonarQube scanner for multiple programming languages with automated code quality analysis

Configure SonarQube Scanner CLI to analyze Java, Python, JavaScript, and C# projects with automated quality gates and CI/CD integration. Streamline code quality analysis across your entire development pipeline with Docker and Jenkins automation.

45 min 4 distros 716 views
devops Advanced

Implement comprehensive Apache Airflow DAG testing and validation strategies with pytest and best practices

Learn to implement production-grade testing for Apache Airflow DAGs using pytest, including unit tests for DAG structure validation, integration testing with test databases, and automated validation pipelines with CI/CD integration.

45 min 4 distros 908 views
databases Advanced

Set up TimescaleDB clustering for high availability with automatic failover

Configure a production-ready TimescaleDB cluster with streaming replication, automatic failover using Patroni, and etcd for distributed consensus to ensure zero-downtime operation of your time-series database.

45 min 4 distros 639 views
linux Intermediate

Optimize Linux system performance with kernel parameters and system tuning

Learn production-grade Linux performance optimization through systematic kernel parameter tuning, memory management, I/O optimization, and network stack configuration to maximize system throughput and responsiveness.

45 min 6 distros 800 views
databases Intermediate

Configure Redis Sentinel for high availability and automatic failover

Set up Redis Sentinel to monitor Redis master-replica deployments and automatically handle failover scenarios. This tutorial covers configuring a 3-node Sentinel cluster with quorum-based decision making for production-grade high availability.

25 min 4 distros 986 views

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