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
Linux
System administration, shell scripting, package management
Hosting & Servers
Web servers, reverse proxies, SSL, domains
Security
Firewalls, hardening, encryption, access control
Performance
Caching, optimization, profiling, load testing
Databases
MySQL, PostgreSQL, Redis, backups, replication
Networking
DNS, load balancing, VPN, TCP/IP, routing
DevOps
CI/CD, Docker, Kubernetes, automation
Monitoring
Logging, alerting, metrics, observability
Most viewed
Install and configure Deno for web development with systemd and reverse proxy
hostingInstall and configure Caddy web server with automatic HTTPS and reverse proxy
hostingInstall and configure Uvicorn ASGI server with systemd and reverse proxy for FastAPI applications
hostingInstall and configure Ollama for local AI models on Linux servers
devopsInstall and configure Uptime Kuma for website monitoring with SSL and email alerts
monitoringRecently published
Implement NGINX Plus active health checks for enterprise environments
hostingSetup Prometheus Blackbox Exporter for endpoint monitoring with SSL and alerting
monitoringConfigure Prometheus alerting with AlertManager notifications and webhook integration
monitoringConfigure Elasticsearch cross-cluster replication for disaster recovery
databasesConfigure InfluxDB 2.7 clustering for high availability with data replication and automated failover
databasesConfigure centralized cron management with Ansible automation and systemd timers
Set up automated cron job deployment and monitoring across multiple servers using Ansible playbooks with systemd timers for reliable task scheduling and centralized logging.
Configure systemd user services for application startup
Learn how to configure systemd user services to automatically start applications without root privileges. This guide covers creating service units, managing lifecycle, and troubleshooting user services for reliable application startup.
Configure systemd service resource limits and security isolation
Configure cgroups v2 resource limits and security isolation for systemd services to prevent resource exhaustion and improve system security. This tutorial covers memory, CPU, and I/O limits with monitoring and troubleshooting.
Configure Linux system services with systemctl and service management
Learn to manage Linux system services with systemctl commands, enable services on boot, create custom service files, and troubleshoot service failures with journalctl for reliable system administration.
Configure Linux file compression and archiving with tar, gzip and backup automation
Learn to create compressed archives with tar and gzip, manage different compression formats, and implement automated backup scripts with rotation for efficient system maintenance and data protection.
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.
Configure Linux CPU and process scheduling with systemd and nice priorities for workload optimization
Learn to optimize Linux workloads by configuring CPU scheduling policies, setting process priorities with nice and ionice commands, and implementing systemd service limits for better resource allocation and performance.
Need help?
Don't want to manage this yourself?
We handle infrastructure for businesses that depend on uptime. From initial setup to ongoing operations.
Talk to an engineer