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
CI/CD, Docker, Kubernetes, automation
Monitoring
Logging, alerting, metrics, observability
Most viewed
Install and configure Deno for web development with systemd and reverse proxy
hostingFix apt update E: Repository no longer has a Release file
linuxInstall 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
databasesRecently published
Fix PostgreSQL FATAL sorry, too many clients already
linuxConfigure Istio multi-cluster disaster recovery and automated failover
devopsSet up automated MariaDB Galera cluster backups with compression
databasesConfigure MariaDB ColumnStore for high-performance analytics workloads
databasesImplement Kibana 8 custom threat hunting dashboards for security incident response
monitoringSet up automated MariaDB Galera cluster backups with compression
Learn how to build a cluster-safe backup strategy for MariaDB Galera using Mariabackup, compression, systemd timers and remote storage offloading, with verification and node restore procedures.
Configure MariaDB ColumnStore for high-performance analytics workloads
Deploy and tune MariaDB ColumnStore for columnar analytics, covering single-node and multi-node cluster setup, table design, memory tuning, bulk loading with cpimport, and cluster health monitoring.
Implement Thanos Ruler for distributed alerting and recording rules across Prometheus clusters
Deploy Thanos Ruler to evaluate recording and alerting rules across multiple Prometheus clusters, integrate it with Alertmanager and S3-compatible storage, and run it in HA mode with deduplication.
Set up Thanos Query and Compactor for distributed metrics querying
Deploy Thanos Sidecar, Query, and Compactor to unify multiple Prometheus instances into a single global query view with long-term S3-backed storage. Covers deduplication, TLS, and production troubleshooting.
Setup S3-compatible disaster recovery with cross-region replication using MinIO
Configure MinIO clusters across multiple regions with automated cross-region bucket replication, SSL encryption, and comprehensive monitoring for enterprise-grade disaster recovery.
Configure Redis cluster monitoring with custom Grafana dashboards
Set up comprehensive monitoring for your Redis cluster using redis_exporter, Prometheus, and Grafana. Configure custom dashboards and alerting rules to track performance metrics, cluster health, and resource utilization.
Setup 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.
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.
Configure Spark Kubernetes Operator with MinIO for cloud-native analytics
Deploy Apache Spark on Kubernetes with the Spark Operator and MinIO object storage for scalable big data processing. Configure RBAC, SSL certificates, and persistent storage for production-ready analytics workloads.
Configure TimescaleDB backup and recovery with pgBackRest for automated PostgreSQL protection
Set up pgBackRest with TimescaleDB for automated backups, point-in-time recovery, and database protection. Includes configuration for local and remote repositories, scheduled backups, and comprehensive restore procedures.
Configure Fluentd with Kubernetes DaemonSet and log routing for centralized collection
Deploy Fluentd as a DaemonSet on Kubernetes for centralized log collection with multi-format parsing, routing to multiple outputs, and RBAC security. Includes configuration for Elasticsearch, S3, and custom log sources.
Configure Loki with S3 storage backend for scalable centralized logging
Set up Grafana Loki with S3-compatible object storage for scalable log aggregation. Configure retention policies, schema management, and monitoring for production-ready centralized logging infrastructure.
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