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
10,560

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

monitoring
6,407

Fix apt update E: Repository no longer has a Release file

linux
5,645

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

hosting
5,468

Install and configure TimescaleDB with PostgreSQL for high-performance time-series data

databases
4,982

Recently published

Set up automated MariaDB Galera cluster backups with compression

databases
5 giorni fa

Configure MariaDB ColumnStore for high-performance analytics workloads

databases
1 settimana fa

Implement Kibana 8 custom threat hunting dashboards for security incident response

monitoring
1 settimana fa

Configure Logstash 8 security pipelines with threat intelligence enrichment

monitoring
3 settimane fa

Configure Ansible Vault integration with HashiCorp Vault for secrets management

devops
3 settimane fa
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performance Intermediate

Configure Tomcat 11 database connection pooling with HikariCP and JNDI optimization for high-performance applications

Set up efficient database connection pooling in Apache Tomcat 11 using HikariCP through JNDI configuration. Optimize connection parameters, implement proper resource management, and configure monitoring for production database workloads.

25 min 4 distros 988 views
devops Intermediate

Set up OpenLiteSpeed with Docker containers for development

Deploy OpenLiteSpeed web server in Docker containers with PHP-FPM, SSL certificates, and persistent volumes for scalable development environments.

45 min 4 distros 888 views
security Intermediate

Implement Caddy 2 rate limiting and DDoS protection with advanced security rules

Configure Caddy 2 web server with comprehensive rate limiting, request throttling, and DDoS protection using built-in security modules and advanced filtering rules.

45 min 4 distros 1,068 views
networking Advanced

Implement WireGuard multi-site mesh networking with automatic routing and failover

Deploy a scalable WireGuard mesh network across multiple sites with automatic routing, failover mechanisms, and centralized management for high-availability site-to-site connectivity.

45 min 4 distros 1,159 views
security Advanced

Integrate WireGuard VPN server with LDAP authentication for enterprise user management

Configure WireGuard VPN server to authenticate users against LDAP directory services like Active Directory. Automate client certificate management and implement centralized user access control for enterprise environments.

45 min 4 distros 1,077 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 1,112 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 1,208 views
devops Advanced

Implement Istio circuit breaker and retry policies for microservices resilience and fault tolerance

Configure Istio destination rules with circuit breaker patterns, implement retry policies with exponential backoff, and set up comprehensive fault injection testing for microservices resilience in Kubernetes service mesh environments.

45 min 4 distros 1,068 views
security Intermediate

Configure Vault dynamic secrets for databases with PostgreSQL and MySQL integration

Set up HashiCorp Vault's database secrets engine to automatically generate short-lived credentials for PostgreSQL and MySQL databases, improving security by eliminating static passwords and enabling automated credential rotation.

45 min 4 distros 958 views
networking Intermediate

Configure WireGuard site-to-site VPN connections with advanced routing and security

Set up secure network-to-network VPN tunnels using WireGuard with advanced routing, firewall rules, and monitoring for connecting multiple office locations or data centers.

45 min 4 distros 1,258 views
hosting Beginner

Fix systemd service keeps restarting in a loop

Stop systemd services from continuously restarting by identifying restart loop causes, debugging configuration issues, and implementing proper service constraints to ensure stable operation.

25 min 6 distros 2,632 views
linux Beginner

Configure Linux text editors with vim and nano for system administration

Learn to configure vim and nano text editors for efficient Linux system administration. Master keyboard shortcuts, create custom .vimrc configurations, and choose the right editor for different tasks.

25 min 6 distros 1,260 views

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