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
10,604

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
5,895

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
1 week ago

Configure MariaDB ColumnStore for high-performance analytics workloads

databases
1 week ago

Implement Kibana 8 custom threat hunting dashboards for security incident response

monitoring
1 week ago

Configure Logstash 8 security pipelines with threat intelligence enrichment

monitoring
3 weeks ago

Configure Ansible Vault integration with HashiCorp Vault for secrets management

devops
3 weeks ago
"recovery" × Clear all
databases Advanced

Set up PostgreSQL 17 streaming replication with PgBouncer connection pooling and load balancing

Configure PostgreSQL 17 with streaming replication for high availability, then add PgBouncer connection pooling with intelligent load balancing across primary and replica servers for production-grade database infrastructure.

45 min 4 distros 1,034 views
networking Advanced

Set up HAProxy high availability with keepalived clustering for automatic failover

Configure HAProxy load balancer with keepalived VRRP clustering for automatic failover. Set up virtual IP failover, health checks, and monitor the cluster for production high availability.

45 min 4 distros 1,242 views
databases Intermediate

Implement MySQL backup automation with Percona XtraBackup and systemd timers

Set up automated MySQL hot backups with Percona XtraBackup, systemd timers, compression, and encryption. Configure backup verification, retention policies, and restoration procedures for production-ready database backup automation.

45 min 4 distros 1,282 views
databases Advanced

Setup MySQL replication with GTID and automatic failover

Configure MySQL 8.0 master-slave replication using GTID for reliable data synchronization, then implement MySQL High Availability (MHA) for automatic failover detection and promotion.

45 min 4 distros 2,347 views
hosting Intermediate

Configure Caddy 2 with Docker containers and automatic SSL certificates

Set up Caddy 2 as a reverse proxy using Docker with automatic Let's Encrypt SSL certificates. Deploy containerized web applications behind Caddy with zero-downtime SSL management and built-in load balancing.

45 min 4 distros 1,298 views
databases Advanced

Setup automated backup verification and recovery testing with PostgreSQL, MySQL and filesystem backups

Build a comprehensive backup verification framework that automatically tests database restores, validates filesystem backups, and performs recovery testing using systemd timers and custom scripts.

45 min 4 distros 906 views
devops Advanced

Implement Airflow load balancing with Celery executor for high availability workflows

Set up Apache Airflow with Celery executor, Redis cluster backend, HAProxy load balancing, and auto-scaling workers for production-grade workflow orchestration with high availability.

45 min 4 distros 1,093 views
databases Intermediate

Implement Elasticsearch 8 snapshot lifecycle management with S3 storage for automated backups

Set up automated Elasticsearch 8 backups using snapshot lifecycle management policies with S3 repository storage. Configure retention policies, scheduling, and monitoring for production backup strategies.

45 min 4 distros 1,020 views
databases Advanced

Configure Elasticsearch 8 index lifecycle management with hot-warm-cold architecture for automated data tiering

Set up Elasticsearch 8 with hot-warm-cold node architecture and automated index lifecycle management policies to optimize storage costs and query performance. Configure ILM policies that automatically move data through different tiers based on age and usage patterns.

45 min 4 distros 1,061 views
monitoring Intermediate

Configure Zabbix 7 custom alerting with webhooks and integrations

Set up advanced Zabbix alerting with custom webhooks for Slack and Microsoft Teams, create notification scripts and templates, and integrate with external systems through API automation.

45 min 4 distros 1,903 views
databases Advanced

Configure Elasticsearch 8 cross-cluster replication for disaster recovery

Set up cross-cluster replication between Elasticsearch 8 clusters to ensure data resilience and business continuity. This advanced configuration creates automatic data synchronization across geographically distributed clusters for disaster recovery scenarios.

45 min 4 distros 1,047 views
devops Intermediate

Set up GitLab container registry mirror and proxy cache for improved performance

Configure GitLab's built-in container registry as a mirror and proxy cache to reduce Docker Hub rate limits, speed up image pulls, and improve CI/CD pipeline performance across your organization.

45 min 4 distros 1,144 views

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