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
10,605

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

monitoring
6,460

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

linux
5,897

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

hosting
5,532

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
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monitoring Intermediate

Integrate SNMP monitoring with InfluxDB and Telegraf for time-series analysis

Learn to set up a comprehensive SNMP monitoring solution using InfluxDB 2.7 for time-series storage and Telegraf for data collection. Configure monitoring for network devices, system metrics, and create visualization dashboards with Grafana.

45 min 4 distros 1,987 views
security Advanced

Implement OpenResty JWT authentication with OAuth2 integration for secure web applications

Set up secure JWT-based authentication in OpenResty with OAuth2 provider integration using lua-resty-jwt module. Configure token validation, authentication middleware, and security policies for production web applications.

45 min 4 distros 1,741 views
hosting Intermediate

Deploy Django application with Gunicorn and PostgreSQL database migrations

Learn how to deploy a production-ready Django application with Gunicorn WSGI server, PostgreSQL database, and automated database migrations on Ubuntu, Debian, AlmaLinux, and Rocky Linux systems.

35 min 4 distros 1,714 views
devops Advanced

Implement Kafka Streams applications for real-time data processing with Java and Scala

Build production-grade Kafka Streams applications for real-time data processing using Java and Scala. Configure stream processing topologies, implement windowing operations, and deploy scalable streaming applications with monitoring.

45 min 4 distros 1,536 views
linux Beginner

Configure Linux cron jobs and system task scheduling with best practices

Learn to configure cron jobs and systemd timers for automated task scheduling on Linux systems with proper logging, security, and troubleshooting techniques.

25 min 6 distros 2,362 views
networking Beginner

Set up network interface monitoring with SNMP and basic traffic analysis

Learn how to install and configure SNMP daemon for network interface monitoring, implement basic traffic analysis with automated alerting, and create monitoring scripts with cron jobs for continuous network performance tracking.

25 min 6 distros 2,130 views
databases Beginner

Install and configure MongoDB 8.0 with authentication and SSL encryption

Set up MongoDB 8.0 from official repositories with authentication enabled and SSL/TLS encryption. Configure admin users, implement security hardening, and establish monitoring for production deployments.

25 min 6 distros 1,717 views
performance Beginner

Optimize Linux boot time with systemd service analysis and performance tuning

Learn to analyze and optimize Linux boot performance using systemd-analyze tools. Identify bottlenecks, disable unnecessary services, and configure parallel startup to reduce boot times on Ubuntu, Debian, and RHEL-based systems.

25 min 6 distros 3,027 views
hosting Beginner

Install and configure Node.js web applications with PM2 and reverse proxy

Deploy production-ready Node.js applications using PM2 process manager and Nginx reverse proxy with SSL certificates, automatic startup, and comprehensive monitoring for high-availability web hosting.

25 min 6 distros 2,728 views
linux Beginner

Configure Linux environment variables and PATH management for development workflows

Learn how to properly configure Linux environment variables and manage your PATH for development workflows. This guide covers temporary and persistent variables, user vs system-wide configuration, and troubleshooting common issues across Ubuntu, Debian, AlmaLinux, Rocky Linux, and Fedora.

20 min 6 distros 1,641 views
security Beginner

Configure SSH key authentication and disable password login for secure server access

Set up SSH public key authentication on Linux servers and disable password-based logins to prevent brute force attacks and improve security. This tutorial covers key generation, server configuration, and troubleshooting common authentication issues.

20 min 6 distros 3,141 views
databases Intermediate

Install and configure ScyllaDB cluster with replication and performance tuning

Set up a production-ready ScyllaDB cluster with multi-node configuration, automatic replication, and performance optimization. ScyllaDB provides 10x better performance than Cassandra with drop-in compatibility.

45 min 6 distros 1,813 views

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