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.

Browse by topic

Most viewed

Install and configure Deno for web development with systemd and reverse proxy

hosting
10,968

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

linux
8,280

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

monitoring
6,875

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

hosting
6,048

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

databases
5,526

Recently published

Check disk space usage on Linux with df and du commands

linux
1 day ago

Find and kill processes using a specific port on Linux

linux
5 days ago

Fix PostgreSQL FATAL sorry, too many clients already

linux
1 week ago

Configure Istio multi-cluster disaster recovery and automated failover

devops
2 weeks ago

Set up automated MariaDB Galera cluster backups with compression

databases
1 month ago
"database" × Clear all
linux Intermediate

Configure Linux system logging with rsyslog and journald for centralized log management

Set up comprehensive Linux logging infrastructure using rsyslog for traditional syslog handling and journald for systemd service logs. Configure remote logging, log rotation, filtering rules, and troubleshoot common logging performance issues.

25 min 6 distros 3,168 views
performance Intermediate

Configure Linux memory management and swap optimization for high-performance workloads

Optimize Linux memory subsystem performance through advanced swap configuration, virtual memory tuning, and memory compression techniques. Learn to configure transparent huge pages, zram, and application-specific memory settings for high-performance workloads.

25 min 6 distros 3,090 views
devops Advanced

Implement Kubernetes cluster autoscaling with Helm charts and KEDA for dynamic workload scaling

Configure comprehensive Kubernetes autoscaling with cluster autoscaler for node management, KEDA for event-driven pod scaling, and vertical pod autoscaler for resource optimization. This tutorial covers production-grade deployment using Helm charts with monitoring and optimization strategies.

45 min 4 distros 1,913 views
performance Advanced

Set up Apache Airflow DAG performance testing with Locust load testing framework

Learn to configure Locust for comprehensive Apache Airflow DAG performance testing, including automated load testing scenarios, metrics collection, and CI/CD integration for production-grade workflow optimization.

45 min 4 distros 1,741 views
devops Intermediate

Integrate SonarQube with Kubernetes and Helm charts for automated code quality scanning

Deploy SonarQube on Kubernetes using Helm charts with PostgreSQL database, configure automated code scanning workflows, and implement persistent storage for comprehensive code quality analysis in your CI/CD pipeline.

45 min 4 distros 2,108 views
networking Intermediate

Automate WireGuard client management with scripts for provisioning and configuration

Create automated scripts to provision WireGuard clients, manage configurations, and monitor VPN connections. This tutorial builds comprehensive management tools for production WireGuard deployments.

45 min 4 distros 2,170 views
devops Intermediate

Set up SonarQube branch analysis with pull request decoration for enhanced code quality workflows

Configure SonarQube Developer Edition with branch analysis capabilities and pull request decoration for GitHub and GitLab. Implement automated code quality checks in CI/CD pipelines with comprehensive branch coverage and merge request feedback.

45 min 4 distros 2,739 views
devops Intermediate

Configure Kafka Connect for database integration with JDBC connectors and CDC

Set up Kafka Connect with JDBC connectors for real-time database integration and configure Debezium for change data capture. Monitor connector performance and troubleshoot common integration issues.

45 min 4 distros 2,216 views
monitoring Advanced

Set up Zabbix 7 high availability cluster with PostgreSQL replication and automated failover

Build a production-grade Zabbix 7 high availability cluster with PostgreSQL streaming replication, HAProxy load balancing, and automated failover capabilities for enterprise monitoring.

90 min 4 distros 2,809 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 2,472 views
networking Advanced

Configure Envoy proxy rate limiting and circuit breakers for microservices resilience

Learn to implement production-grade Envoy proxy with global and local rate limiting, circuit breakers, and health checks to build resilient microservices architecture that can handle traffic spikes and service failures gracefully.

45 min 4 distros 2,647 views
monitoring Intermediate

Configure Grafana dashboards for InfluxDB collectd metrics with advanced visualization and alerting

Build comprehensive Grafana dashboards to visualize collectd system metrics stored in InfluxDB with custom panels, advanced queries, and automated alerting rules for production monitoring.

45 min 4 distros 1,721 views

Don't want to manage this yourself?

We handle infrastructure for businesses that depend on uptime. Fully managed, with one fixed contact who knows your setup.

You get one fixed contact who knows your setup

Rotterdam 12:02 · reachable in a message, no ticket form

+31 10 477 5362 WhatsApp