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 Intermediate

Set up automated MariaDB Galera cluster backups with compression

Learn how to build a cluster-safe backup strategy for MariaDB Galera using Mariabackup, compression, systemd timers and remote storage offloading, with verification and node restore procedures.

40 min 4 distros 91 views
databases Advanced

Configure MariaDB ColumnStore for high-performance analytics workloads

Deploy and tune MariaDB ColumnStore for columnar analytics, covering single-node and multi-node cluster setup, table design, memory tuning, bulk loading with cpimport, and cluster health monitoring.

45 min 4 distros 93 views
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
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 Advanced

Integrate ArgoCD with External Secrets Operator for secure Kubernetes secret management

Set up External Secrets Operator to sync secrets from HashiCorp Vault and AWS Secrets Manager into your ArgoCD GitOps workflow, enabling secure automated secret management across multiple environments without storing sensitive data in Git repositories.

45 min 4 distros 1,318 views
devops Advanced

Setup S3-compatible disaster recovery with cross-region replication using MinIO

Configure MinIO clusters across multiple regions with automated cross-region bucket replication, SSL encryption, and comprehensive monitoring for enterprise-grade disaster recovery.

45 min 4 distros 1,176 views
devops Advanced

Configure Spark on Kubernetes with cluster autoscaling for dynamic workloads

Deploy Apache Spark 3.5 on Kubernetes with automatic cluster scaling, dynamic resource allocation, and comprehensive monitoring for production data processing workloads.

45 min 4 distros 1,152 views
databases Intermediate

Configure Elasticsearch 8 snapshot and restore policies with automated backup strategies

Set up comprehensive Elasticsearch 8 backup strategies with snapshot lifecycle management (SLM), filesystem and S3 repository backends, automated scheduling, and recovery procedures for production environments.

45 min 4 distros 979 views
hosting Intermediate

Setup Caddy automatic SSL certificates with Let's Encrypt and DNS challenges

Configure Caddy 2 web server with automatic SSL certificate provisioning using Let's Encrypt and DNS challenge authentication for secure HTTPS automation.

25 min 4 distros 2,611 views
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 780 views
devops Advanced

Set up Kubernetes persistent volume snapshots and backup automation

Configure CSI snapshot controllers, create persistent volume snapshots, and implement automated backup strategies with Velero for production Kubernetes environments.

45 min 4 distros 936 views
databases Intermediate

Implement ClickHouse backup automation with compression and S3 integration

Set up automated ClickHouse backups with compression, S3 storage, and systemd timers. Includes monitoring, encryption, and recovery procedures for production environments.

45 min 4 distros 887 views

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