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.

monitoring Advanced

Monitor Kubernetes network policies with Prometheus and Grafana for enhanced cluster security

Set up comprehensive monitoring for Kubernetes network policies using Prometheus and Grafana. Configure CNI metrics collection, create security dashboards, and implement alerting for policy violations and traffic anomalies.

45 min 4 distros 97 views
databases Advanced

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.

90 min 4 distros 74 views
hosting Intermediate

Setup Tomcat SSL certificates with Let's Encrypt automation

Configure Apache Tomcat 11 with automated SSL certificate management using Let's Encrypt and Certbot. Set up HTTPS connector, Java keystore integration, and automatic certificate renewal for production environments.

25 min 4 distros 94 views
monitoring Advanced

Configure advanced SNMP alerting with Prometheus Alertmanager for network monitoring

Set up comprehensive SNMP monitoring with Prometheus exporters and create intelligent alerting rules in Alertmanager to proactively monitor network devices, interfaces, and performance metrics.

45 min 4 distros 62 views
monitoring Intermediate

Implement Tomcat application monitoring with JMX and Grafana dashboards

Set up comprehensive Apache Tomcat 10 monitoring using JMX metrics, Prometheus JMX Exporter, and Grafana dashboards to track application performance, memory usage, and request metrics in real-time.

45 min 4 distros 89 views
monitoring Intermediate

Set up centralized logging with Winston and Elasticsearch for Node.js applications

Configure Winston logging in Node.js with Elasticsearch transport for centralized log aggregation, monitoring, and analysis using Kibana dashboards.

45 min 4 distros 70 views
monitoring Intermediate

Implement Node.js application monitoring with Prometheus metrics collection and Grafana dashboards

Set up comprehensive Node.js application monitoring with Prometheus metrics collection, custom performance tracking, and Grafana dashboards for real-time observability and alerting.

45 min 4 distros 61 views
security Advanced

Configure advanced nftables logging and monitoring for network security

Set up comprehensive nftables logging with structured syslog integration, Prometheus metrics collection, and ELK stack analysis. Configure Grafana dashboards for real-time firewall monitoring and automated alerting for security events.

45 min 4 distros 83 views
monitoring Intermediate

Configure custom SNMP MIBs for vendor-specific monitoring with SNMP v2c and v3

Learn to install and configure custom vendor MIB files for specialized network device monitoring using both SNMP v2c and v3 protocols with authentication and encryption.

45 min 4 distros 74 views
monitoring Intermediate

Setup Prometheus Blackbox Exporter for endpoint monitoring with SSL and alerting

Configure Prometheus Blackbox Exporter to monitor HTTP endpoints, SSL certificates, and DNS resolution with automated alerting rules and Grafana dashboards.

25 min 4 distros 157 views
monitoring Intermediate

Configure Prometheus alerting with AlertManager notifications and webhook integration

Set up AlertManager to handle Prometheus alerts with email, Slack, and webhook notifications. Configure alerting rules, notification channels, and test the complete alerting pipeline.

25 min 4 distros 160 views
databases Advanced

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.

45 min 4 distros 118 views

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