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
10,459

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

monitoring
6,245

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

hosting
5,313

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

linux
5,163

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

databases
4,834

Recently published

Configure MariaDB ColumnStore for high-performance analytics workloads

databases
1 天前

Implement Kibana 8 custom threat hunting dashboards for security incident response

monitoring
3 天前

Configure Logstash 8 security pipelines with threat intelligence enrichment

monitoring
1 周前

Configure Ansible Vault integration with HashiCorp Vault for secrets management

devops
2 周前

Implement Thanos Ruler for distributed alerting and recording rules across Prometheus clusters

monitoring
2 周前

所有教程

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monitoring Intermediate

Configure Prometheus Alertmanager with email notifications for production monitoring

Set up Prometheus Alertmanager to send email notifications when your systems trigger alerts. This tutorial covers SMTP configuration, alert routing rules, and email template customization for production monitoring workflows.

35 min 4 distros 1,149 views
databases Advanced

Optimize ClickHouse performance for large datasets with advanced tuning and memory management

Optimize ClickHouse for high-performance analytics on multi-terabyte datasets with advanced memory tuning, storage engine configuration, query optimization strategies, and distributed clustering for production workloads.

45 min 4 distros 1,091 views
networking Intermediate

Configure HAProxy SSL termination with Let's Encrypt and security headers

Set up HAProxy 2.8 with SSL termination, automatic Let's Encrypt certificates, and security headers for high-performance load balancing with HTTPS offloading and automated certificate renewal.

35 min 4 distros 924 views
hosting Advanced

Configure Apache HTTP Server clustering with mod_cluster and JBoss EAP for enterprise load balancing

Set up Apache HTTP Server with mod_cluster module to create an intelligent load balancing cluster with JBoss EAP application servers, featuring automatic node discovery, session clustering, and health monitoring.

45 min 6 distros 1,227 views
linux Advanced

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

Resolve apt update errors when repositories lose Release files due to expired GPG keys, discontinued repos, or corrupted package manager state. Includes diagnostics, recovery methods, and prevention strategies.

25 min 7 distros 5,163 views
hosting Beginner

Install and configure Waitress WSGI server with SSL certificates for Python web applications

Deploy production-ready Python web applications using Waitress WSGI server with SSL certificates, systemd service management, and reverse proxy configuration for Flask and Django applications.

25 min 6 distros 1,498 views
linux Beginner

Configure Linux file and directory ownership with chown and security best practices

Learn to properly configure file and directory ownership using chown, understand user and group permissions, and implement secure ownership patterns for web servers and applications.

25 min 6 distros 1,267 views
hosting Beginner

Install and configure Caddy 2 web server with automatic HTTPS and PHP-FPM

Set up Caddy 2 web server with automatic HTTPS certificates from Let's Encrypt and PHP-FPM integration for dynamic content. Includes virtual hosts, security headers, and systemd service configuration.

25 min 6 distros 1,085 views
linux Beginner

Fix SSH sign_and_send_pubkey: signing failed: agent refused operation

Resolve SSH authentication errors when the SSH agent refuses to sign public keys. This tutorial covers checking agent status, fixing key permissions, restarting the agent, and troubleshooting SSH client configuration.

20 min 6 distros 2,975 views
hosting Beginner

Install and configure Tengine web server with SSL certificates and performance optimization

Install Tengine web server from source and packages, configure virtual hosts with SSL certificates, and optimize performance with dynamic upstream health checks and security hardening.

45 min 6 distros 1,521 views
linux Advanced

Configure Linux transparent huge pages and memory optimization for database workloads

Learn to configure transparent huge pages (THP) and optimize Linux memory management for database workloads. Covers THP disable/enable strategies, performance monitoring, and automation with systemd.

25 min 6 distros 1,292 views
hosting Beginner

Install and configure Hypercorn ASGI server with systemd and reverse proxy for Python web applications

Deploy Python ASGI applications with Hypercorn server, systemd service management, and Nginx reverse proxy for production environments. Complete setup with SSL termination and performance optimization.

25 min 6 distros 1,304 views

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