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

Most viewed

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

hosting
9,684

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

monitoring
5,119

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

hosting
4,145

Install and configure Ollama for local AI models on Linux servers

devops
3,649

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

databases
3,557

Recently published

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
2 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

Implement Deno microservices architecture with service discovery and load balancing

devops
1 month ago
"chrony" × Clear all
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 406 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 442 views
security Advanced

Configure SSH certificate authentication with CA signing for secure server access

Set up SSH certificate-based authentication using a Certificate Authority to eliminate individual key management. Create signed user certificates that provide secure, scalable access control for multiple servers and users.

45 min 4 distros 409 views
security Intermediate

Configure SSH two-factor authentication with Google Authenticator TOTP

Add an extra layer of security to SSH logins by requiring both a password and a time-based one-time password (TOTP) generated by Google Authenticator or compatible apps.

25 min 4 distros 774 views
monitoring Intermediate

Monitor system time drift with Prometheus and Grafana alerts

Set up comprehensive time synchronization monitoring with Prometheus node exporter metrics, Grafana dashboards, and automated alerting to prevent system clock drift issues in production environments.

45 min 4 distros 474 views
security Advanced

Implement Tailscale OAuth integration with identity providers for enterprise authentication

Configure Tailscale with enterprise identity providers including SAML and OIDC authentication, implement access control policies, and manage users across distributed teams for secure zero-trust networking.

45 min 4 distros 1,637 views
networking Intermediate

Configure NTP server with chrony and security hardening for precise time synchronization

Set up a production-grade NTP server using chrony with client access controls, firewall rules, and security hardening. Learn to configure upstream time sources, implement monitoring, and troubleshoot common synchronization issues.

35 min 4 distros 1,407 views
linux Intermediate

Configure Linux system time synchronization with chrony and NTP hardening

Set up reliable time synchronization with chrony NTP client, configure secure time servers, and implement monitoring to prevent time drift on production servers.

25 min 6 distros 2,091 views
networking Intermediate

Install and configure WireGuard VPN server with client management

Set up a secure WireGuard VPN server with automated client management, including key generation, firewall configuration, and traffic routing for remote access.

25 min 6 distros 1,250 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 06:10 · reachable in a message, no ticket form

+31 10 477 5362 WhatsApp