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
10,623

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

monitoring
6,476

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

linux
5,970

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

hosting
5,562

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

databases
5,081

Recently published

Set up automated MariaDB Galera cluster backups with compression

databases
1 tydzień temu

Configure MariaDB ColumnStore for high-performance analytics workloads

databases
1 tydzień temu

Implement Kibana 8 custom threat hunting dashboards for security incident response

monitoring
2 tygodnie temu

Configure Logstash 8 security pipelines with threat intelligence enrichment

monitoring
3 tygodnie temu

Configure Ansible Vault integration with HashiCorp Vault for secrets management

devops
3 tygodnie temu
"GPG" × Clear all
monitoring Intermediate

Monitor WireGuard VPN server with Prometheus and Grafana dashboards

Set up comprehensive monitoring for your WireGuard VPN server using Prometheus metrics collection and Grafana visualization. This guide covers installing the WireGuard exporter, configuring alerting rules, and building dashboards to track connection status, bandwidth usage, and peer activity.

25 min 4 distros 1,172 views
monitoring Intermediate

Set up Docker Compose monitoring stack with Prometheus and Grafana for AI model performance tracking

Deploy a complete monitoring stack using Docker Compose with Prometheus for metrics collection and Grafana for visualization, specifically configured to track AI model performance metrics like inference latency, throughput, and resource utilization.

45 min 4 distros 1,291 views
monitoring Intermediate

Set up NGINX monitoring with Prometheus and Grafana for web server observability

Monitor your NGINX web server performance and health with Prometheus metrics collection and Grafana dashboards. Set up comprehensive observability including request rates, response times, error tracking, and automated alerting for production web servers.

45 min 4 distros 1,135 views
linux Advanced

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

Resolve apt update errors when repositories lose Release files due to expired GPG keys, discontinued repos, or corrupted package manager state. Includes diagnostics, recovery methods, and prevention strategies.

25 min 7 distros 5,970 views
hosting Beginner

Install and configure Caddy 2 web server with automatic HTTPS and PHP-FPM

Set up Caddy 2 web server with automatic HTTPS certificates from Let's Encrypt and PHP-FPM integration for dynamic content. Includes virtual hosts, security headers, and systemd service configuration.

25 min 6 distros 1,214 views
linux Beginner

Configure Linux package management with apt, dnf and yum for system updates

Learn to manage Linux packages effectively with apt, dnf, and yum across Ubuntu, Debian, and RHEL-based distributions. Master installation, updates, repository management, and troubleshooting for reliable system maintenance.

25 min 6 distros 1,335 views
security Advanced

Set up Grafana Enterprise SSO authentication with LDAP, SAML, and OAuth2 integration

Configure Grafana Enterprise with comprehensive single sign-on authentication supporting LDAP, SAML, and OAuth2 providers. Set up role-based access control with automated team mapping and user provisioning for enterprise environments.

45 min 4 distros 1,480 views
devops Advanced

Integrate Jaeger with Kubernetes service mesh for comprehensive distributed tracing

Set up production-grade distributed tracing in Kubernetes using Jaeger with Istio service mesh integration. Configure OpenTelemetry instrumentation, Elasticsearch storage backend, and comprehensive observability for microservices.

45 min 4 distros 1,069 views
security Intermediate

Implement container security monitoring with Falco runtime detection

Set up Falco for real-time container security monitoring with runtime threat detection, Kubernetes integration, and automated alerting through Grafana dashboards.

45 min 4 distros 1,170 views
security Advanced

Configure Keycloak OAuth2 integration with OpenResty for enterprise SSO

Set up enterprise single sign-on by integrating Keycloak OAuth2 authentication with OpenResty using lua-resty-openidc. Configure secure authentication flows, JWT token validation, and session management for production web applications.

45 min 4 distros 1,187 views
security Intermediate

Configure intrusion detection with OSSEC and Wazuh for real-time security monitoring

Set up comprehensive host-based intrusion detection with OSSEC HIDS and Wazuh manager for real-time security monitoring, file integrity checking, and automated threat response across your infrastructure.

45 min 4 distros 1,264 views
databases Intermediate

Configure MongoDB 8.0 replica set with automatic failover for high availability

Set up a MongoDB 8.0 replica set with multiple nodes and automatic failover to ensure high availability and data redundancy. This configuration provides seamless database operations even when primary nodes fail.

45 min 4 distros 982 views

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