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

hosting
2,117

Install and configure Ollama for local AI models on Linux servers

devops
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Install and configure Uvicorn ASGI server with systemd and reverse proxy for FastAPI applications

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

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Recently published

Configure Istio security policies with external authorization services integration

security
3 hours ago

Implement Docker network security with custom bridge networks and container isolation

security
8 hours ago

Implement Network Time Security (NTS) for encrypted time synchronization with chrony

security
17 hours ago

Set up container runtime security with Falco and Sysdig for threat detection

security
22 hours ago

Implement Istio security scanning and vulnerability management for Kubernetes service mesh

security
1 day ago
"network monitoring" × Clear all
networking Advanced

Implement network monitoring with SNMP and BGP metrics using FRRouting and Prometheus

Set up comprehensive network monitoring with SNMP daemon, FRRouting BGP metrics, and Prometheus collection for real-time infrastructure visibility and alerting.

45 min 4 distros 181 views
monitoring Intermediate

Set up Zabbix proxy for distributed network monitoring

Configure Zabbix proxy servers to distribute monitoring load across multiple network segments, reduce server load, and monitor remote locations through secure proxy connections.

45 min 4 distros 373 views
security Advanced

Implement Podman pod security with network policies and microsegmentation

Secure Podman pods with custom network policies, traffic filtering, and microsegmentation using CNI plugins and netavark. Implement zero-trust networking with firewall rules and container isolation.

45 min 4 distros 229 views
linux Beginner

Configure Linux process monitoring with top, htop, and btop for system performance analysis

Master Linux process monitoring using top, htop, and btop to analyze system performance, identify resource bottlenecks, and troubleshoot performance issues in production environments.

25 min 6 distros 371 views
monitoring Advanced

Integrate Zabbix 7 with network automation and orchestration tools using Ansible and Python APIs

Build comprehensive network automation workflows by integrating Zabbix 7 monitoring with Ansible playbooks and custom Python scripts. This tutorial covers API authentication, automated host provisioning, and dynamic monitoring configuration for enterprise infrastructure management.

45 min 4 distros 317 views
monitoring Intermediate

Set up network monitoring with Nagios Core 4.5 and SNMP for infrastructure alerting

Configure Nagios Core 4.5 with SNMP monitoring to track network devices, servers, and services with automated alerting. Set up custom monitoring templates, notification systems, and dashboards for comprehensive infrastructure visibility.

45 min 4 distros 387 views
networking Advanced

Set up Open vSwitch 3.3 for advanced virtual machine networking with VLAN and bridge configuration

Configure Open vSwitch 3.3 to create isolated virtual networks for VMs with VLAN tagging, bridge management, and advanced traffic control. Essential for virtualization environments requiring network segmentation and high-performance VM networking.

45 min 4 distros 365 views
monitoring Intermediate

Configure Nagios SNMP monitoring for network devices with automated discovery and templates

Set up comprehensive SNMP monitoring in Nagios Core with automated network device discovery, custom templates for switches and routers, and real-time alerting for network infrastructure monitoring.

45 min 4 distros 442 views
networking Intermediate

Implement SNMP device auto-discovery with network scanning and automated inventory management

Set up automated SNMP device discovery using nmap network scanning and Python scripts for dynamic inventory management. Integrate with Zabbix and Grafana for comprehensive network monitoring and visualization.

45 min 4 distros 728 views
devops Advanced

Configure Kubernetes network policies with Calico CNI for microsegmentation and security enforcement

Learn to implement advanced network security in Kubernetes using Calico CNI. Configure namespace-based microsegmentation, application-level policies, and comprehensive monitoring for enterprise-grade cluster protection.

45 min 4 distros 472 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 501 views
networking Advanced

Configure OSPF with FRRouting 10 for dynamic routing protocols and network failover

Set up OSPF dynamic routing with FRRouting 10 for automatic network failover and route redistribution. Configure area authentication, routing policies, and monitoring for enterprise network resilience.

45 min 4 distros 549 views

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