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
680

Install and configure CockroachDB cluster with high availability and distributed SQL

databases
649

Install and configure PostgreSQL 17 with performance tuning and security hardening

databases
636

Configure network interface monitoring with ICMP ping and connectivity testing

networking
636

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
3 hours ago

Implement GitLab CI/CD security scanning for Docker images

devops
3 hours ago

Configure Zabbix 7 with SSL certificates and database encryption

security
3 hours ago

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

devops
3 hours ago

Implement Consul backup and disaster recovery with automated snapshots and restoration

devops
8 hours ago
"hashicorp-vault" × Clear all
security Advanced

Implement Podman pod security with network policies and microsegmentation

Secure Podman pods with custom network policies, traffic filtering, and microsegmentation using CNI plugins and netavark. Implement zero-trust networking with firewall rules and container isolation.

45 min 4 distros 44 views
devops Intermediate

Configure Ansible dynamic inventory for AWS, Azure, and GCP with automated discovery

Set up Ansible dynamic inventory plugins for AWS EC2, Azure, and Google Cloud Platform to automatically discover and manage cloud resources. This tutorial covers authentication, filtering, and unified inventory management across multiple cloud providers.

45 min 4 distros 169 views
devops Advanced

Configure Ansible AWX 24.6 for enterprise automation with RBAC and inventory management

Deploy Ansible AWX 24.6 with Docker Compose, PostgreSQL backend, and enterprise-grade RBAC. Set up dynamic inventory management with multiple sources and implement automated job workflows with notifications for production environments.

45 min 4 distros 300 views
security Intermediate

Secure Podman containers with SELinux and AppArmor mandatory access controls

Implement mandatory access controls for Podman containers using SELinux on Red Hat-based systems and AppArmor on Debian-based systems. Learn to configure security policies, monitor violations, and harden container security with production-grade controls.

45 min 4 distros 324 views

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