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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Configure Linux system time synchronization with chrony and NTP hardening

linux
674

Install and configure CockroachDB cluster with high availability and distributed SQL

databases
649

Configure network interface monitoring with ICMP ping and connectivity testing

networking
636

Install and configure PostgreSQL 17 with performance tuning and security hardening

databases
635

Install and configure ArgoCD for GitOps continuous deployment with RBAC and SSL

devops
614

Recently published

Integrate AWX 24.6 with HashiCorp Vault for dynamic secrets management and secure automation workflows

devops
33 minutes ago

Implement GitLab CI/CD security scanning for Docker images

devops
35 minutes ago

Configure Zabbix 7 with SSL certificates and database encryption

security
38 minutes ago

Configure AWX backup and disaster recovery procedures with automated PostgreSQL snapshots and restoration

devops
40 minutes ago

Implement Consul backup and disaster recovery with automated snapshots and restoration

devops
5 hours ago
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databases Intermediate

Configure MinIO backup and disaster recovery with automated snapshots and replication

Configure comprehensive backup and disaster recovery for MinIO object storage with automated snapshots, cross-site replication, and encryption. Implement production-ready backup strategies to protect critical data and ensure business continuity.

45 min 4 distros 293 views
security Advanced

Implement Consul ACL security and encryption for production deployments

Configure Consul's Access Control List (ACL) system with bootstrap tokens, implement TLS encryption for client-server communication, and enable gossip encryption to secure your Consul cluster for production environments with comprehensive authentication and authorization.

45 min 4 distros 376 views
databases Intermediate

Implement Elasticsearch 8 index lifecycle management and retention policies

Configure automated index lifecycle management (ILM) policies in Elasticsearch 8 to optimize storage, performance, and data retention. Learn to set up hot-warm-cold architectures with automatic rollover and deletion based on age and size criteria.

25 min 4 distros 443 views
devops Intermediate

Configure Kubernetes persistent volumes with NFS storage for container data persistence

Set up NFS-backed persistent volumes in Kubernetes to provide shared, durable storage for containerized applications across multiple nodes with automatic failover capabilities.

25 min 4 distros 270 views
devops Advanced

Configure Consul backup and disaster recovery with automated snapshots and restoration

Set up automated Consul snapshots with verification, implement disaster recovery procedures, and configure monitoring for production-grade backup strategies that ensure service discovery data protection.

45 min 4 distros 420 views
linux Intermediate

Configure automatic security updates with unattended-upgrades and email notifications

Set up automated security patching on Linux servers with unattended-upgrades and dnf-automatic. Configure email notifications, update policies, and monitoring to keep your systems secure while maintaining control over critical services.

25 min 6 distros 480 views
security Intermediate

Install and configure Vault for secrets management with high availability

Set up HashiCorp Vault with Consul backend for production-grade secrets management. Configure clustering, authentication, policies, and security hardening for enterprise environments.

45 min 6 distros 518 views
databases Intermediate

Install and configure Elasticsearch 8 with security and performance optimization

Set up a production-ready Elasticsearch 8 cluster with SSL/TLS security, optimized JVM settings, and automated backups. Includes memory tuning, index mapping strategies, and common troubleshooting fixes.

45 min 6 distros 315 views

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