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.

databases Advanced

Set up CockroachDB backup and disaster recovery automation with systemd timers and monitoring

Configure automated backup strategies for CockroachDB with systemd timers, implement comprehensive disaster recovery procedures, and set up monitoring with Prometheus and Grafana for production-grade database infrastructure.

90 min 4 distros 105 views
devops Intermediate

Set up GitLab CI/CD with Kubernetes runners for scalable deployments

Configure GitLab Runner with Kubernetes executor to automatically scale CI/CD workloads. Set up RBAC permissions, deploy pipelines to Kubernetes clusters, and implement resource management policies for efficient container orchestration.

45 min 4 distros 115 views
hosting Intermediate

Setup Tomcat SSL certificates with Let's Encrypt automation

Configure Apache Tomcat 11 with automated SSL certificate management using Let's Encrypt and Certbot. Set up HTTPS connector, Java keystore integration, and automatic certificate renewal for production environments.

25 min 4 distros 117 views
security Intermediate

Implement Nginx SSL certificate automation with Let's Encrypt using Certbot

Set up automated SSL certificate management for Nginx using Let's Encrypt and Certbot. Configure automatic certificate renewal, implement SSL security hardening, and monitor certificate health for production websites.

35 min 4 distros 105 views
devops Intermediate

Configure GitLab backup automation with GPG encryption

Set up automated GitLab backups with GPG encryption, remote storage, and systemd timers. This tutorial covers backup script creation, encryption setup, and monitoring for production GitLab instances.

45 min 4 distros 77 views
security Intermediate

Configure Node.js SSL certificates and HTTPS security hardening for production servers

Set up production-grade SSL/TLS encryption for Node.js applications with certificate management, secure cipher suites, and comprehensive security headers including HSTS implementation.

45 min 4 distros 100 views
security Advanced

Configure advanced nftables logging and monitoring for network security

Set up comprehensive nftables logging with structured syslog integration, Prometheus metrics collection, and ELK stack analysis. Configure Grafana dashboards for real-time firewall monitoring and automated alerting for security events.

45 min 4 distros 114 views
monitoring Intermediate

Configure custom SNMP MIBs for vendor-specific monitoring with SNMP v2c and v3

Learn to install and configure custom vendor MIB files for specialized network device monitoring using both SNMP v2c and v3 protocols with authentication and encryption.

45 min 4 distros 88 views
hosting Advanced

Implement NGINX Plus active health checks for enterprise environments

Configure NGINX Plus active health checks to automatically detect and remove unhealthy upstream servers, ensuring high availability and optimal load balancing for enterprise applications.

45 min 4 distros 121 views
databases Advanced

Configure InfluxDB 2.7 clustering for high availability with data replication and automated failover

Set up a production-ready InfluxDB Enterprise cluster with automatic data replication, failover mechanisms, and comprehensive monitoring using Grafana dashboards for time-series workloads.

45 min 4 distros 134 views
devops Intermediate

Configure Kubernetes ingress controller with NGINX and SSL certificates using cert-manager

Set up NGINX Ingress Controller with automated SSL certificate management using cert-manager for secure routing of external traffic to your Kubernetes services. Configure custom domains, SSL automation, and advanced routing rules for production workloads.

25 min 4 distros 107 views
security Advanced

Configure audit compliance automation with Ansible for security monitoring and reporting

Build comprehensive security audit compliance automation using Ansible playbooks to enforce security policies, monitor system configurations, and generate compliance reports across your Linux infrastructure fleet.

45 min 4 distros 108 views

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