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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Configure Linux system time synchronization with chrony and NTP hardening

linux
686

Install and configure CockroachDB cluster with high availability and distributed SQL

databases
650

Install and configure PostgreSQL 17 with performance tuning and security hardening

databases
640

Configure network interface monitoring with ICMP ping and connectivity testing

networking
637

Install and configure ArgoCD for GitOps continuous deployment with RBAC and SSL

devops
617

Recently published

Set up GitLab container registry mirror and proxy cache for improved performance

devops
4 hours ago

Configure SonarQube quality gates and custom rules for enterprise code analysis

devops
4 hours ago

Set up Consul multi-datacenter replication with ACL token replication

devops
4 hours ago

Set up Kafka Connect cluster with high availability and load balancing

devops
4 hours ago

Integrate AWX 24.6 with HashiCorp Vault for dynamic secrets management and secure automation workflows

devops
9 hours ago
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security Intermediate

Configure Podman image scanning with Trivy security vulnerability detection

Set up automated container image security scanning using Trivy with Podman to detect vulnerabilities, misconfigurations, and security issues before deploying containers to production.

45 min 4 distros 40 views
monitoring Intermediate

Configure Prometheus Blackbox Exporter for endpoint monitoring with SSL and alerting

Set up Prometheus Blackbox Exporter to monitor HTTP, HTTPS, DNS, TCP, and ICMP endpoints with SSL certificate validation and automated alerting for comprehensive uptime monitoring.

25 min 4 distros 34 views
monitoring Intermediate

Set up Prometheus and Grafana monitoring stack with Docker Compose

Deploy a complete monitoring solution using Prometheus for metrics collection and Grafana for visualization with Docker Compose. This setup provides comprehensive system monitoring, alerting capabilities, and customizable dashboards.

25 min 4 distros 26 views
monitoring Intermediate

Integrate TimescaleDB with Telegraf for metrics collection and time-series monitoring

Set up TimescaleDB with PostgreSQL and configure Telegraf to collect system and application metrics. Create continuous aggregates and monitoring dashboards for comprehensive time-series analysis and alerting.

25 min 4 distros 13 views
devops Advanced

Implement Ansible AWX Tower for enterprise automation workflows with RBAC and inventory management

Deploy Ansible AWX with Docker Compose for centralized automation management. Configure enterprise RBAC, dynamic inventory sources, and workflow templates for scalable infrastructure orchestration across multiple environments.

45 min 4 distros 30 views
devops Advanced

Integrate Jaeger with Kubernetes and Istio service mesh for distributed tracing

Deploy Jaeger operator on Kubernetes with Istio telemetry integration for comprehensive distributed tracing across microservices. Configure Elasticsearch backend for production-grade trace storage and implement automated service discovery.

45 min 4 distros 6 views
monitoring Intermediate

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.

45 min 4 distros 5 views
monitoring Intermediate

Configure Jaeger with NGINX reverse proxy and SSL termination

Set up Jaeger distributed tracing behind an NGINX reverse proxy with SSL termination and authentication. Learn to configure secure access, performance optimization, and production-ready monitoring for your microservices.

45 min 4 distros 12 views
devops Advanced

Set up Nomad multi-node cluster with TLS encryption and Consul integration

Deploy a production-ready HashiCorp Nomad cluster with server and client nodes, TLS encryption, and Consul integration for service discovery. Includes workload deployment and monitoring configuration.

45 min 4 distros 20 views
devops Intermediate

Install and configure ArgoCD Image Updater for automatic Kubernetes deployments with GitOps automation

Set up ArgoCD Image Updater to automatically monitor container registries and update Kubernetes deployments when new image versions are available. Configure GitOps workflows with automated Git commits and Prometheus monitoring for seamless CI/CD integration.

25 min 4 distros 9 views
security Intermediate

Configure SSL certificates and security hardening for Nexus Repository Manager

Secure your Nexus Repository Manager with SSL/TLS certificates, enforce HTTPS connections, and implement comprehensive security hardening including authentication controls, access policies, and audit logging for production environments.

45 min 4 distros 76 views
security Intermediate

Configure Nexus Repository Manager LDAP authentication for enterprise user management

Set up LDAP authentication for Nexus Repository Manager to enable centralized enterprise user management and seamless integration with Active Directory for secure artifact repository access.

25 min 4 distros 22 views

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