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 CockroachDB cluster with high availability and distributed SQL
databasesConfigure network interface monitoring with ICMP ping and connectivity testing
networkingInstall and configure PostgreSQL 17 with performance tuning and security hardening
databasesInstall and configure ArgoCD for GitOps continuous deployment with RBAC and SSL
devopsInstall and configure Loki for centralized log aggregation with Grafana integration
monitoringRecently published
Monitor Django applications with Prometheus and Grafana for comprehensive performance insights
monitoringConfigure Linux user session limits with systemd and pam_limits for resource management
linuxInstall and configure Graylog 5 for centralized log management with MongoDB and Elasticsearch
monitoringSet up automated MySQL database backups with compression and rotation
databasesConfigure Tailscale with Kubernetes cluster networking integration
networkingConfigure Thanos Receiver clustering for high availability and load distribution
Set up Thanos Receiver clustering with hashring configuration to distribute Prometheus remote write traffic across multiple replicas for high availability and scalability.
Integrate MinIO with Prometheus monitoring for performance metrics and observability
Set up comprehensive monitoring for your MinIO object storage cluster with Prometheus metrics collection, Grafana visualization dashboards, and automated alerting rules for production environments.
Configure advanced Grafana dashboards and alerting with Prometheus integration
Learn to build production-grade Grafana dashboards with advanced templating, custom Prometheus queries, sophisticated alerting rules, and automated provisioning for scalable monitoring infrastructure.
Monitor MariaDB Galera cluster with Prometheus and Grafana for high availability insights
Configure comprehensive monitoring for MariaDB Galera clusters using Prometheus exporters and Grafana dashboards to track cluster health, replication status, and performance metrics with automated alerting for production environments.
Implement Thanos multi-cluster federation for global Prometheus metrics aggregation
Set up Thanos components across multiple Kubernetes clusters to enable global metrics federation, long-term storage, and unified querying of Prometheus data with high availability and unlimited retention.
Set up OpenTelemetry metrics collection with Prometheus integration for distributed system monitoring
Configure OpenTelemetry Collector to gather metrics from distributed services and export them to Prometheus for comprehensive observability monitoring. This integration provides unified metrics collection across your microservices architecture.
Set up keepalived cluster monitoring with Prometheus alerts and Grafana dashboards
Configure comprehensive monitoring for keepalived VRRP clusters using Prometheus metrics collection, alerting rules for failover events, and Grafana dashboards for high availability visualization.
Implement Prometheus federation for multi-cluster monitoring with centralized metrics aggregation
Set up hierarchical Prometheus federation to monitor multiple Kubernetes clusters with a central aggregation layer. Configure global and local Prometheus instances with federated scrape jobs, service discovery, and unified dashboards for enterprise-scale observability.
Set up log alerting with Fluentd and Prometheus Alertmanager for centralized monitoring
Configure Fluentd to collect and parse logs, integrate with Prometheus metrics collection, and set up Alertmanager for intelligent routing of log-based alerts to multiple notification channels.
Monitor Kubernetes clusters with Prometheus and Grafana for container orchestration insights
Set up comprehensive Kubernetes monitoring using the Prometheus Operator and Grafana with persistent storage, RBAC, ServiceMonitors, and custom dashboards for complete cluster observability.
Integrate Elasticsearch 8 with Prometheus monitoring and Grafana dashboards
Set up comprehensive monitoring for Elasticsearch 8 using Prometheus metrics collection and Grafana visualization. This tutorial covers exporter installation, metric configuration, dashboard setup, and alerting rules for production environments.
Configure Thanos Ruler for distributed alerting across multiple Prometheus clusters
Set up Thanos Ruler to create a unified alerting layer across distributed Prometheus instances. This tutorial covers installation, global rule configuration, and cross-cluster alert federation for enterprise monitoring.
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