The complete library
All guides
2,725 practical hosting and technology articles.
How to Limit a Linux Service’s Memory with systemd
Limit a Linux service with systemd MemoryHigh, MemoryMax and swap controls. Check cgroup support, diagnose pressure and remove only your own policy.
LinuxHow to Protect SSH with CrowdSec on Ubuntu
Protect SSH with CrowdSec on Ubuntu. Connect log detection to firewall enforcement and test temporary blocking without losing administrator access.
Web HostingHow to Set Up Meilisearch with Docker
Run Meilisearch with Docker, index sample documents and create restricted search keys. Verify asynchronous tasks, persistence and access boundaries.
DockerHow to Set Up a File Transfer Server with SFTPGo
Set up SFTPGo with private administration and SSH-key transfers. Check server identity, storage ownership and allowed or denied file operations.
AIHow to Secure the Ollama API with Nginx
Protect a private Ollama API with Nginx authentication and restricted routes. Verify allowed requests, denied management calls and direct-port isolation.
DockerHow to Test Application Emails with Mailpit
Capture staging emails with Mailpit over a private connection. Inspect message formats and attachments without confusing capture with real delivery.
webhostingHow to Protect a Web App with Authelia
Protect an app with Authelia and Nginx. Keep the backend private, configure password authentication and test permitted and denied user access.
LinuxHow to Sync Files Between Servers with Syncthing
Sync a test folder between two servers with Syncthing. Verify peer identity, folder IDs and deletion behavior, and keep independent backups.
troubleshootingHow to Test SMTP Login and TLS with swaks
Diagnose SMTP connectivity, TLS and authentication with swaks. Protect credentials and distinguish server acceptance from recipient delivery.
AIHow to Set Up an LLM Gateway with LiteLLM
Configure a LiteLLM gateway with private administration, virtual keys and model restrictions. Test allowed requests and understand budget limitations.
Web HostingHow to Collect Nginx Logs with Vector
Collect Nginx logs with Vector, parse structured fields and verify fresh events. Understand checkpoints, rotation and delivery limitations.
DockerHow to Self-Host PrivateBin with Docker
Self-host PrivateBin with Docker. Understand encrypted paste links, URL fragments, expiration and the limits of access control and recoverability.
