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.

security Intermediate

Implement Docker network security with custom bridge networks and container isolation

Secure your Docker deployments by creating isolated custom bridge networks, implementing container segmentation, and configuring network access controls to prevent unauthorized communication between containers.

25 min 4 distros 53 views
security Intermediate

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.

25 min 4 distros 75 views
security Advanced

Set up container runtime security with Falco and Sysdig for threat detection

Configure Falco for runtime security monitoring and Sysdig Agent for container visibility to detect threats in Kubernetes environments. Implement behavioral analysis, custom security rules, and threat detection policies for production container workloads.

45 min 4 distros 75 views
security Advanced

Implement Istio security scanning and vulnerability management for Kubernetes service mesh

Set up comprehensive security scanning and vulnerability management for Istio service mesh using Trivy, Falco, and security policies to protect Kubernetes workloads from threats and compliance violations.

45 min 4 distros 77 views
monitoring Advanced

Configure advanced Jaeger sampling strategies for high-traffic environments

Configure probabilistic, adaptive, and remote sampling strategies for Jaeger distributed tracing to optimize performance and storage costs in high-throughput production environments while maintaining observability.

45 min 4 distros 104 views
monitoring Advanced

Implement Alertmanager high availability clustering with automatic failover and load balancing

Set up a production-grade Alertmanager cluster with gossip protocol for high availability, automatic failover, and load balancing. Ensure your monitoring alerts remain operational even when individual nodes fail.

45 min 4 distros 174 views
devops Intermediate

Set up GitLab CI/CD with Kubernetes runners for scalable deployments

Configure GitLab Runner with Kubernetes executor to automatically scale CI/CD workloads. Set up RBAC permissions, deploy pipelines to Kubernetes clusters, and implement resource management policies for efficient container orchestration.

45 min 4 distros 115 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 101 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 102 views
performance Advanced

Configure Nginx Redis cluster caching for high availability and performance optimization

Set up Nginx with Redis cluster caching to achieve high availability and optimized performance. This advanced configuration includes cluster setup, failover testing, and performance tuning for production environments.

45 min 4 distros 136 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 100 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 214 views

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