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
10,962

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

linux
8,083

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

monitoring
6,868

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

hosting
6,036

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

databases
5,507

Recently published

Find and kill processes using a specific port on Linux

linux
3 days ago

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
"alerting" × Clear all
monitoring Intermediate

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

Set up comprehensive Node.js application monitoring using Prometheus metrics collection with the prom-client library and create custom Grafana dashboards for performance insights and alerting.

45 min 4 distros 1,141 views
security Advanced

Configure Istio security policies with external authorization services integration

Set up comprehensive Istio security policies with external authorization services, JWT validation, and RBAC integration for enterprise-grade service mesh security and compliance.

45 min 4 distros 1,103 views
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 1,103 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 1,507 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 1,026 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 977 views
monitoring Intermediate

Configure NTP monitoring with Grafana dashboards and Prometheus alerting

Set up comprehensive time synchronization monitoring using chrony, Prometheus node exporter, and custom Grafana dashboards with alerting for time drift and NTP service failures.

25 min 4 distros 1,503 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 1,023 views
monitoring Intermediate

Configure Jaeger distributed tracing on Kubernetes cluster with Helm charts and Elasticsearch backend

Deploy Jaeger distributed tracing on Kubernetes using Helm charts with Elasticsearch backend storage. Configure ingress, SSL certificates, and Prometheus integration for production-ready distributed tracing observability.

45 min 4 distros 1,118 views
monitoring Intermediate

Configure Jaeger alerting with Prometheus and Grafana for distributed tracing observability

Set up comprehensive monitoring and alerting for Jaeger distributed tracing using Prometheus metrics collection and Grafana dashboards with automated alerts for trace performance issues.

45 min 4 distros 1,028 views
devops Advanced

Set up Spark Streaming with Kafka and Delta Lake for real-time analytics

Configure Apache Spark 3.5 with Kafka integration and Delta Lake support for building production-grade real-time analytics pipelines with ACID transactions and streaming capabilities.

45 min 4 distros 1,319 views
monitoring Intermediate

Configure MariaDB 11.6 performance monitoring with Prometheus and Grafana dashboards

Set up comprehensive MariaDB monitoring with mysqld_exporter, Prometheus metrics collection, and custom Grafana dashboards for database performance insights and alerting.

35 min 4 distros 1,101 views

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