System & Network Admin

Complete guide to install and configure pgvector for PostgreSQL 16. Build AI-powered vector databases for semantic search, RAG applications, and embeddings storage with step-by-step examples.

When people talk about Retrieval-Augmented Generation (RAG), they often mention vector databases like Pinecone, Weaviate, or FAISS. These…

The Terraform plugin cache does not support concurrent terraform inits. Here’s how we worked around that with OverlayFS.

Terraform init, plan and apply have distinct performance bottlenecks. Here’s a breakdown of each phase, what makes it slow, and what you can do about it.

A self-hosted bookmarking service that is designed to be minimal, fast and easy to set up.

One app seamlessly integrates everything into your desktop.

Loki is a horizontally scalable, highly available, multi-tenant log aggregation system inspired by Prometheus.

Join Smallstep's open-source community. Contribute to identity and security tools that improve enterprise workflows worldwide.

A feature-rich command-line audio/video downloader - yt-dlp/yt-dlp

EDIT BY MAINTAINER: Fixed in latest release. Update! Checklist I'm reporting that yt-dlp is broken on a supported site I've verified that I have updated yt-dlp to nightly or master (update instruct...

GitHub Gist: instantly share code, notes, and snippets.

Stop winging your hosting migration. Learn how to make a plan that turns high-stakes moves into boring successes.

Database routine libraries

If your Linux server is opening lots of outgoing network connections, you need to increase local port range. By default range is small. For example a squid proxy server can come under fire if it runs out of ports. Other example includes heavy traffic network servers, like nginx load balancers, LXD vm and more.

With multicast, the source sends only a single copy of the traffic into the network. As that traffic moves through the network, it is replicated

A no-FUSE filesystem that intercepts syscalls via ptrace to fool processes into thinking they mounted a filesystem.

Map custom .local domains to local dev server ports with HTTPS and WebSocket passthrough for HMR.

Discover LocalXpose, the trusted tunneling software to expose localhost to internet. Secure tunnels, fast local proxy for safe remote access to servers and IoT.

Open Source backend in 1 file with realtime database, authentication, file storage and admin dashboard

New to Ansible? Learn how to write and run playbooks with 7 beginner-friendly examples, including loops, variables, and OS-specific installs.

The ultimate home cloud and personal server. Run self-hosted apps like Nextcloud, Jellyfin, Bitcoin node, and more in one click with no technical skills required. Now with up to 4TB of SSD storage...

A modern Linux desktop suite with beautiful widgets and powerful monitoring - optimized for niri, Hyprland, MangoWC, dwl, and Sway.

This article explains how to use commands like copy, and also use troubleshooting commands like show and debug.

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