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
10,603

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

monitoring
6,459

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

linux
5,892

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

hosting
5,531

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

databases
5,063

Recently published

Set up automated MariaDB Galera cluster backups with compression

databases
vor 1 Woche

Configure MariaDB ColumnStore for high-performance analytics workloads

databases
vor 1 Woche

Implement Kibana 8 custom threat hunting dashboards for security incident response

monitoring
vor 1 Woche

Configure Logstash 8 security pipelines with threat intelligence enrichment

monitoring
vor 3 Wochen

Configure Ansible Vault integration with HashiCorp Vault for secrets management

devops
vor 3 Wochen
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devops Advanced

Configure Ansible Vault integration with HashiCorp Vault for secrets management

Learn how to combine Ansible Vault with HashiCorp Vault using the community.hashi_vault collection, AppRole authentication, and least-privilege policies for production-grade secrets management in playbooks.

45 min 4 distros 344 views
security Advanced

Implement HAProxy WAF integration with ModSecurity 3 for advanced threat protection

Deploy ModSecurity 3 as a Stream Processing Offload Agent in front of HAProxy to inspect HTTP traffic with the OWASP Core Rule Set. This tutorial covers SPOA compilation, SPOE filter configuration, detection versus blocking modes, and production tuning.

75 min 4 distros 469 views
databases Advanced

Configure PostgreSQL 17 SSL encryption and certificate-based authentication

Set up a private CA, issue server and client certificates, enforce TLS 1.2+ with strong ciphers, and configure pg_hba.conf for mutual TLS client certificate authentication in PostgreSQL 17.

45 min 4 distros 524 views
devops Advanced

Configure Kubernetes secrets management with External Secrets Operator and HashiCorp Vault

Learn how to deploy External Secrets Operator on Kubernetes, integrate it with HashiCorp Vault using the Kubernetes auth method, and sync secrets via SecretStore and ClusterSecretStore resources with production-grade RBAC and monitoring.

75 min 4 distros 695 views
devops Intermediate

Configure Kubernetes RBAC with service accounts and cluster roles for secure access control

Learn to implement Kubernetes Role-Based Access Control (RBAC) with service accounts, cluster roles, and role bindings for granular permissions and secure cluster access management.

25 min 4 distros 2,026 views
security Advanced

Implement Kubernetes security scanning with Falco and OPA Gatekeeper for runtime protection

Set up comprehensive Kubernetes security with Falco for runtime threat detection and OPA Gatekeeper for admission control policy enforcement. This tutorial covers installation, configuration, and custom security policies.

45 min 4 distros 941 views
monitoring Advanced

Configure Jaeger with Elasticsearch backend security and encryption

Set up secure communication between Jaeger and Elasticsearch using TLS encryption, authentication, and production-grade security hardening for distributed tracing infrastructure.

45 min 4 distros 925 views
devops Intermediate

Configure ArgoCD Image Updater for automated container deployments

Set up ArgoCD Image Updater to automatically detect and deploy new container image versions in your GitOps workflow. Includes Git repository integration, webhook configuration, and monitoring setup.

25 min 4 distros 876 views
security Advanced

Implement backup encryption key rotation and secure management with GPG and automated scripts

Build a production-grade backup encryption system with automated GPG key rotation, secure key distribution, and monitoring. Learn to implement enterprise-level key management policies with systemd timers and secure storage practices.

45 min 4 distros 732 views
security Advanced

Configure Istio security policies with external authorization services integration

Set up comprehensive Istio security policies with external authorization services, JWT validation, and RBAC integration for enterprise-grade service mesh security and compliance.

45 min 4 distros 876 views
security Intermediate

Implement Docker network security with custom bridge networks and container isolation

Secure your Docker deployments by creating isolated custom bridge networks, implementing container segmentation, and configuring network access controls to prevent unauthorized communication between containers.

25 min 4 distros 903 views
security Advanced

Set up container runtime security with Falco and Sysdig for threat detection

Configure Falco for runtime security monitoring and Sysdig Agent for container visibility to detect threats in Kubernetes environments. Implement behavioral analysis, custom security rules, and threat detection policies for production container workloads.

45 min 4 distros 851 views

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