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.

/

Browse by topic

47 guides

Linux

System administration, shell scripting, package management

66 guides

Hosting & Servers

Web servers, reverse proxies, SSL, domains

146 guides

Security

Firewalls, hardening, encryption, access control

45 guides

Performance

Caching, optimization, profiling, load testing

96 guides

Databases

MySQL, PostgreSQL, Redis, backups, replication

61 guides

Networking

DNS, load balancing, VPN, TCP/IP, routing

158 guides

DevOps

CI/CD, Docker, Kubernetes, automation

169 guides

Monitoring

Logging, alerting, metrics, observability

Most viewed

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

hosting

9,822

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

monitoring

5,384

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

hosting

4,436

Install and configure Ollama for local AI models on Linux servers

devops

3,869

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

databases

3,832

Recently published

Set up HAProxy SSL termination with Let's Encrypt certificates

networking

1 day ago

Configure HAProxy with Consul for dynamic service discovery

networking

3 days ago

Configure PostgreSQL 17 connection pooling with PgBouncer for high availability

databases

1 week ago

Configure Kubernetes secrets management with External Secrets Operator and HashiCorp Vault

devops

1 week ago

Integrate Jaeger with Istio service mesh for distributed tracing

devops

1 week ago

"nagios" × Clear all

monitoring Beginner

Install and configure Nagios Core 4.5 for network and server monitoring with web interface

Set up Nagios Core 4.5 monitoring system with Apache web interface to monitor servers, network devices, and services. Configure hosts, services, and email notifications for comprehensive infrastructure monitoring.

45 min 6 distros 1,215 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 1,806 views

Don't want to manage this yourself?

We handle infrastructure for businesses that depend on uptime. Fully managed, with one fixed contact who knows your setup.

You get one fixed contact who knows your setup

Rotterdam 02:21 · reachable in a message, no ticket form

+31 10 477 5362