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
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
hostingInstall and configure Ollama for local AI models on Linux servers
devopsInstall and configure TimescaleDB with PostgreSQL for high-performance time-series data
databasesRecently published
Configure PostgreSQL 17 connection pooling with PgBouncer for high availability
databasesConfigure Kubernetes secrets management with External Secrets Operator and HashiCorp Vault
devopsIntegrate Jaeger with Istio service mesh for distributed tracing
devopsConfigure Consul Connect service mesh monitoring with distributed tracing
monitoringConfigure Kubernetes RBAC with service accounts and cluster roles for secure access control
devopsOptimize Elasticsearch 8 search performance with custom analyzers and field mappings
Configure custom text analyzers, optimize field mappings, and implement index templates to dramatically improve Elasticsearch search performance and relevance for production workloads.
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.
Set up MySQL point-in-time recovery with binary logs for database backup and restore
Configure MySQL binary logging and implement automated point-in-time recovery procedures for comprehensive database backup and restore operations with monitoring.
Configure MongoDB sharding with zone-based data distribution for geographic workloads
Set up MongoDB sharding with geographic zones to distribute data based on location, ensuring optimal performance for global applications and regulatory compliance.
Set up CockroachDB backup and disaster recovery automation with systemd timers and monitoring
Configure automated backup strategies for CockroachDB with systemd timers, implement comprehensive disaster recovery procedures, and set up monitoring with Prometheus and Grafana for production-grade database infrastructure.
Configure GitLab backup automation with GPG encryption
Set up automated GitLab backups with GPG encryption, remote storage, and systemd timers. This tutorial covers backup script creation, encryption setup, and monitoring for production GitLab instances.
Configure Elasticsearch cross-cluster replication for disaster recovery
Set up Elasticsearch cross-cluster replication (CCR) to replicate indices between clusters for disaster recovery. Configure remote clusters, create follower indices, and monitor replication status for high availability.
Configure InfluxDB 2.7 clustering for high availability with data replication and automated failover
Set up a production-ready InfluxDB Enterprise cluster with automatic data replication, failover mechanisms, and comprehensive monitoring using Grafana dashboards for time-series workloads.
Configure Elasticsearch Index Lifecycle Management (ILM) for automated data retention
Set up Elasticsearch ILM policies to automatically manage index lifecycles through hot, warm, cold, and delete phases. Reduce storage costs and optimize performance by automating data retention and storage tiering.
Configure Redis 7 cluster sharding with SSL/TLS authentication and security hardening
Set up a production-ready Redis 7 cluster with automatic sharding, SSL/TLS encryption, authentication, and comprehensive security hardening for high availability and data protection.
Set up Kubernetes persistent volume snapshots and backup automation
Configure CSI snapshot controllers, create persistent volume snapshots, and implement automated backup strategies with Velero for production Kubernetes environments.
Implement Kafka Streams exactly-once processing semantics with Java applications
Configure Kafka cluster and Java applications for exactly-once processing semantics with transaction state management, idempotent producers, and EOS isolation levels for reliable stream processing.
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