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
9,698

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

monitoring
5,143

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

hosting
4,174

Install and configure Ollama for local AI models on Linux servers

devops
3,684

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

databases
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Recently published

Configure PostgreSQL 17 connection pooling with PgBouncer for high availability

databases
18 hours ago

Configure Kubernetes secrets management with External Secrets Operator and HashiCorp Vault

devops
2 days ago

Integrate Jaeger with Istio service mesh for distributed tracing

devops
3 days ago

Configure Consul Connect service mesh monitoring with distributed tracing

monitoring
1 month ago

Configure Kubernetes RBAC with service accounts and cluster roles for secure access control

devops
1 month ago
"DSCP marking" × Clear all
networking Advanced

Implement enterprise network QoS with Cisco integration using FRRouting and traffic shaping

Configure enterprise-grade Quality of Service policies with DSCP marking, traffic shaping using tc and HTB, and seamless integration with Cisco equipment through FRRouting BGP and OSPF routing protocols for comprehensive network bandwidth management.

45 min 4 distros 452 views
networking Advanced

Set up Linux network traffic shaping with tc and QoS for bandwidth management

Learn how to implement advanced network traffic control on Linux using tc (traffic control) and HTB (Hierarchical Token Bucket) queueing disciplines. This tutorial covers bandwidth limiting, QoS policies, and traffic prioritization for optimal network performance.

45 min 4 distros 494 views
networking Advanced

Set up iptables high availability clustering with keepalived for automatic failover

Configure a highly available firewall cluster using iptables and keepalived with VRRP for automatic failover. Set up rule synchronization between nodes and implement monitoring for production-grade firewall redundancy.

45 min 4 distros 646 views
networking Advanced

Configure advanced iptables QoS with DSCP marking and traffic classification

Set up Quality of Service (QoS) on Linux servers using iptables DSCP marking, HTB queuing, and traffic classification. This tutorial shows you how to prioritize network traffic, implement bandwidth limits, and ensure critical applications get the network resources they need for optimal performance.

35 min 4 distros 882 views
networking Intermediate

Configure network traffic shaping with tc and HTB for bandwidth management and QoS

Set up hierarchical token bucket (HTB) traffic shaping with tc to control bandwidth allocation, prioritize network traffic, and implement quality of service policies for optimal network performance.

45 min 6 distros 1,451 views

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