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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Install and configure Deno for web development with systemd and reverse proxy

hosting
10,960

Fix apt update E: Repository no longer has a Release file

linux
8,061

Install and configure Uptime Kuma for website monitoring with SSL and email alerts

monitoring
6,859

Install and configure Caddy web server with automatic HTTPS and reverse proxy

hosting
6,030

Install and configure TimescaleDB with PostgreSQL for high-performance time-series data

databases
5,501

Recently published

Find and kill processes using a specific port on Linux

linux
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Fix PostgreSQL FATAL sorry, too many clients already

linux
1 week ago

Configure Istio multi-cluster disaster recovery and automated failover

devops
2 weeks ago

Set up automated MariaDB Galera cluster backups with compression

databases
4 weeks ago

Configure MariaDB ColumnStore for high-performance analytics workloads

databases
1 month ago
"tls" × Clear all
devops Advanced

Configure Istio distributed tracing with Jaeger and Zipkin for comprehensive microservices observability

Set up comprehensive distributed tracing in your Istio service mesh using both Jaeger and Zipkin backends. Configure telemetry collection, trace sampling, and monitoring dashboards for full microservices observability.

45 min 4 distros 1,314 views
security Advanced

Configure Apache Airflow DAG security and secrets management with RBAC policies and encryption

Implement comprehensive security for Apache Airflow DAGs using role-based access control, HashiCorp Vault integration, and encrypted secrets management. Configure granular permissions, audit logging, and isolation policies for production workflows.

45 min 4 distros 1,292 views
security Advanced

Implement Consul Connect mTLS with Vault PKI backend for secure service mesh communication

Set up mutual TLS authentication for Consul Connect using HashiCorp Vault's PKI backend to secure service-to-service communication with automatic certificate management and rotation.

45 min 4 distros 1,085 views
devops Advanced

Configure Podman secrets management with HashiCorp Vault integration

Set up secure container secrets management by integrating Podman with HashiCorp Vault. Configure dynamic secret injection, automated rotation, and production-ready monitoring for containerized applications.

45 min 4 distros 1,485 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 1,216 views
databases Advanced

Set up TimescaleDB high availability with streaming replication and automatic failover

Configure TimescaleDB with PostgreSQL streaming replication for high availability. Set up primary and standby servers with hot standby mode, implement automatic failover with pg_auto_failover, and monitor replication status for production-ready time-series database clustering.

45 min 4 distros 1,409 views
performance Advanced

Optimize NGINX performance for high-traffic websites with advanced configuration and tuning

Configure NGINX for maximum performance with worker process optimization, advanced caching strategies, HTTP/2 tuning, and security hardening for high-traffic production environments.

45 min 4 distros 1,196 views
devops Intermediate

Configure Ansible Vault for secret management and encryption with playbook automation

Set up Ansible Vault to encrypt sensitive data like passwords, API keys, and certificates in your playbooks. Learn to create encrypted variables, manage vault passwords, and integrate secure secret handling into automated deployments.

25 min 4 distros 1,173 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 1,143 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 1,319 views
devops Intermediate

Configure Apache Airflow with SSL certificates and NGINX reverse proxy for secure production deployment

Set up Apache Airflow behind NGINX with SSL certificates, security headers, and reverse proxy configuration for production-grade deployments with HTTPS termination.

35 min 4 distros 1,457 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 1,147 views

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