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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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 Uptime Kuma for website monitoring with SSL and email alerts
monitoringInstall and configure Caddy web server with automatic HTTPS and reverse proxy
hostingFix apt update E: Repository no longer has a Release file
linuxInstall and configure TimescaleDB with PostgreSQL for high-performance time-series data
databasesRecently published
Configure MariaDB ColumnStore for high-performance analytics workloads
databasesImplement Kibana 8 custom threat hunting dashboards for security incident response
monitoringConfigure Logstash 8 security pipelines with threat intelligence enrichment
monitoringConfigure Ansible Vault integration with HashiCorp Vault for secrets management
devopsImplement Thanos Ruler for distributed alerting and recording rules across Prometheus clusters
monitoringImplement Consul backup and disaster recovery with automated snapshots and restoration
Set up automated Consul snapshots with GPG encryption, systemd timers, and complete disaster recovery procedures. Includes monitoring integration with Prometheus and automated restoration workflows for production environments.
Configure GitLab container registry cleanup policies and storage management
Set up automated cleanup policies for GitLab container registry to manage storage costs and remove unused container images. This tutorial covers UI configuration, API automation, and monitoring for production environments.
Set up GitLab backup and disaster recovery with automated restoration
Configure automated GitLab backups with disaster recovery procedures and automated restoration scripts. Includes monitoring, alerting, and production-grade recovery workflows.
Configure Podman secrets management with HashiCorp Vault integration
Set up secure container secrets management by integrating Podman with HashiCorp Vault. Configure dynamic secret injection, automated rotation, and production-ready monitoring for containerized applications.
Deploy Consul Template for dynamic configuration management with systemd integration
Set up Consul Template to automatically generate configuration files from Consul key-value pairs and service discovery data. This tutorial covers installation, template creation, systemd service configuration, and monitoring setup for production environments.
Automate backup and restore for Ollama models with systemd timers and shell scripts
Set up automated backup and restore procedures for Ollama AI models using systemd timers, shell scripts, and compression. Includes disaster recovery strategies and monitoring integration for production environments.
Monitor MongoDB 8.0 performance with Prometheus and Grafana for real-time metrics and alerting
Set up comprehensive MongoDB performance monitoring using Prometheus metrics collection and Grafana dashboards with alerting rules for database health, connection pools, and query performance.
Configure Linux system monitoring with iostat and disk performance analysis
Learn to monitor disk I/O performance with iostat from the sysstat package. Set up real-time monitoring, identify bottlenecks, and automate disk performance analysis with systemd timers.
Configure MongoDB 8.0 replica set with automatic failover for high availability
Set up a MongoDB 8.0 replica set with multiple nodes and automatic failover to ensure high availability and data redundancy. This configuration provides seamless database operations even when primary nodes fail.
Set up automated MySQL database backups with compression and rotation
Configure automated MySQL database backups with compression, encryption, and rotation using systemd timers. Includes monitoring and alerting for backup failures.
Implement Redis backup automation with compression and encryption
Set up automated Redis backups with compression and GPG encryption for production environments. Create systemd timers for scheduled backups and implement secure remote storage for Redis data protection.
Configure SSH port forwarding and tunneling for secure connections
Learn to configure SSH port forwarding, remote tunnels, and SOCKS proxy for secure network connections. Set up local, remote, and dynamic port forwarding with automated monitoring and security hardening.
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