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
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Web servers, reverse proxies, SSL, domains
Security
Firewalls, hardening, encryption, access control
Performance
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Databases
MySQL, PostgreSQL, Redis, backups, replication
Networking
DNS, load balancing, VPN, TCP/IP, routing
DevOps
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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
hostingInstall and configure TimescaleDB with PostgreSQL for high-performance time-series data
databasesInstall and configure Ollama for local AI models on Linux servers
devopsRecently published
Configure HAProxy with Consul for dynamic service discovery and automatic backend updates
networkingImplement Istio multi-cluster canary deployments and traffic splitting
devopsImplement HAProxy WAF integration with ModSecurity 3 for advanced threat protection
securityConfigure PostgreSQL 17 SSL encryption and certificate-based authentication
databasesSet up HAProxy SSL termination with Let's Encrypt certificates
networkingSetup MinIO monitoring with Prometheus and Grafana dashboards
Configure comprehensive monitoring for MinIO object storage with Prometheus metrics collection and Grafana dashboards for performance, capacity, and health tracking.
Implement Node.js application monitoring with Prometheus metrics and Grafana dashboards
Set up comprehensive Node.js application monitoring using Prometheus metrics collection with the prom-client library and create custom Grafana dashboards for performance insights and alerting.
Configure Istio security policies with external authorization services integration
Set up comprehensive Istio security policies with external authorization services, JWT validation, and RBAC integration for enterprise-grade service mesh security and compliance.
Implement Network Time Security (NTS) for encrypted time synchronization with chrony
Set up Network Time Security (NTS) with chrony to provide cryptographically authenticated and encrypted time synchronization, protecting against time-based attacks and ensuring secure clock synchronization across your infrastructure.
Configure NTP monitoring with Grafana dashboards and Prometheus alerting
Set up comprehensive time synchronization monitoring using chrony, Prometheus node exporter, and custom Grafana dashboards with alerting for time drift and NTP service failures.
Configure Spark on Kubernetes with cluster autoscaling for dynamic workloads
Deploy Apache Spark 3.5 on Kubernetes with automatic cluster scaling, dynamic resource allocation, and comprehensive monitoring for production data processing workloads.
Configure Jaeger alerting with Prometheus and Grafana for distributed tracing observability
Set up comprehensive monitoring and alerting for Jaeger distributed tracing using Prometheus metrics collection and Grafana dashboards with automated alerts for trace performance issues.
Set up Spark Streaming with Kafka and Delta Lake for real-time analytics
Configure Apache Spark 3.5 with Kafka integration and Delta Lake support for building production-grade real-time analytics pipelines with ACID transactions and streaming capabilities.
Configure MariaDB 11.6 performance monitoring with Prometheus and Grafana dashboards
Set up comprehensive MariaDB monitoring with mysqld_exporter, Prometheus metrics collection, and custom Grafana dashboards for database performance insights and alerting.
Monitor Caddy and Consul integration with Prometheus and Grafana dashboards
Set up comprehensive monitoring for Caddy reverse proxy and Consul service discovery with Prometheus metrics collection and Grafana dashboards for performance insights and alerting.
Configure MySQL backup monitoring with Prometheus alerts and Grafana dashboards
Set up automated monitoring for MySQL backups with Prometheus metrics collection, alerting rules for backup failures, and comprehensive Grafana dashboards for backup status visualization.
Configure Prometheus Alertmanager with custom webhook integrations for Slack, Microsoft Teams, and PagerDuty notifications
Set up Prometheus Alertmanager with webhook receivers for Slack, Microsoft Teams, and PagerDuty notifications. Configure routing rules, test notifications, and implement alert escalation workflows for comprehensive monitoring coverage.
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