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 CockroachDB cluster with high availability and distributed SQL
databasesConfigure network interface monitoring with ICMP ping and connectivity testing
networkingConfigure Linux system time synchronization with chrony and NTP hardening
linuxInstall and configure PostgreSQL 17 with performance tuning and security hardening
databasesInstall and configure ArgoCD for GitOps continuous deployment with RBAC and SSL
devopsRecently published
Configure Podman secrets management with HashiCorp Vault integration
devopsConfigure Podman image scanning with Trivy security vulnerability detection
securityConfigure Prometheus Blackbox Exporter for endpoint monitoring with SSL and alerting
monitoringSet up Prometheus and Grafana monitoring stack with Docker Compose
monitoringSet up InfluxDB alerting with Kapacitor and notifications
monitoringSet up Prometheus Blackbox Exporter for uptime monitoring with SSL and alerting
Configure Prometheus Blackbox Exporter to monitor website availability, SSL certificate expiry, and HTTP response times with comprehensive Grafana dashboards and alert rules.
Install and configure Uptime Kuma for website monitoring with SSL and email alerts
Learn how to install Uptime Kuma, a self-hosted monitoring tool, with SSL certificates, email notifications, and comprehensive website monitoring capabilities. Set up automated alerts and maintain reliable uptime tracking for your web services.
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