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
9,936

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

monitoring
5,662

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

hosting
4,699

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

databases
4,117

Install and configure Ollama for local AI models on Linux servers

devops
4,080

Recently published

Configure PostgreSQL 17 SSL encryption and certificate-based authentication

databases
1 week ago

Set up HAProxy SSL termination with Let's Encrypt certificates

networking
1 week ago

Configure HAProxy with Consul for dynamic service discovery

networking
2 weeks ago

Configure PostgreSQL 17 connection pooling with PgBouncer for high availability

databases
2 weeks ago

Configure Kubernetes secrets management with External Secrets Operator and HashiCorp Vault

devops
3 weeks ago
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linux Intermediate

Configure Linux CPU and process scheduling with systemd and nice priorities for workload optimization

Learn to optimize Linux workloads by configuring CPU scheduling policies, setting process priorities with nice and ionice commands, and implementing systemd service limits for better resource allocation and performance.

25 min 6 distros 2,153 views
performance Intermediate

Optimize HAProxy performance with connection pooling and advanced load balancing algorithms

Configure HAProxy with connection pooling, advanced load balancing algorithms, and performance tuning for high-throughput workloads. Learn to implement least-conn, URI hashing, and buffer optimization.

25 min 6 distros 1,942 views
networking Intermediate

Configure network bonding and VLAN tagging for high availability and network segmentation

Set up network bonding for link aggregation and failover protection while implementing VLAN tagging for network segmentation. This tutorial covers bond configuration with Netplan and NetworkManager across multiple interfaces.

45 min 6 distros 1,974 views
networking Advanced

Set up BGP routing with FRRouting for dynamic network routing and failover

Configure BGP routing with FRRouting to implement dynamic network routing, automatic failover, and high availability for enterprise network infrastructure with route filtering and policy management.

45 min 6 distros 1,464 views
linux Intermediate

Configure Linux system resource limits with systemd and ulimit for application performance

Learn to configure Linux system resource limits using systemd, ulimit, and /etc/security/limits.conf to prevent application failures from resource exhaustion. Master per-user, per-service, and system-wide limits for optimal performance.

25 min 6 distros 2,404 views
performance Intermediate

Optimize Linux I/O performance with kernel tuning and storage schedulers for high-throughput workloads

Learn how to optimize Linux I/O performance through kernel parameter tuning, storage scheduler configuration, and filesystem optimizations. This tutorial covers scheduler selection, queue depth tuning, and performance monitoring for high-throughput applications.

25 min 6 distros 1,316 views
performance Intermediate

Configure Linux memory management and swap optimization for high-performance workloads

Optimize Linux memory subsystem performance through advanced swap configuration, virtual memory tuning, and memory compression techniques. Learn to configure transparent huge pages, zram, and application-specific memory settings for high-performance workloads.

25 min 6 distros 1,897 views
databases Advanced

Configure Elasticsearch 8 cluster with multiple nodes for high availability and scalability

Set up a production-ready Elasticsearch 8 cluster with dedicated master, data, and coordinating nodes for high availability, fault tolerance, and horizontal scalability across multiple servers.

45 min 4 distros 1,363 views
performance Advanced

Optimize Elasticsearch 8 indexing performance for large datasets with bulk operations and memory tuning

Configure Elasticsearch 8 for maximum indexing performance when handling large datasets through bulk API optimization, JVM memory tuning, and index mapping strategies. This guide covers production-grade performance tuning for high-throughput indexing workloads.

45 min 4 distros 1,599 views
linux Intermediate

Optimize Linux system performance with kernel parameters and system tuning

Learn production-grade Linux performance optimization through systematic kernel parameter tuning, memory management, I/O optimization, and network stack configuration to maximize system throughput and responsiveness.

45 min 6 distros 1,891 views
devops Intermediate

Install and configure SonarQube for code quality analysis with PostgreSQL and SSL

Set up SonarQube Community Edition with PostgreSQL database backend, SSL/TLS encryption, and CI/CD integration for comprehensive static code analysis and security scanning.

45 min 6 distros 1,260 views
devops Intermediate

Install and configure Kubernetes cluster with kubeadm and security hardening

Set up a production-ready Kubernetes cluster using kubeadm with proper security hardening, RBAC configuration, and CNI networking. Includes worker node setup and verification steps.

45 min 6 distros 1,170 views

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