System & Network Admin

Understand predictable network interface naming in Talos Linux and learn when to use or disable it for consistent configurations.

In the world of containerization, Docker has emerged as a dominant platform, enabling developers to package applications and their dependencies into lightweight, portable containers. Alpine Linux, a lightweight and security-focused Linux distribution, has become a popular choice as a base image for Docker containers. Its small size, fast boot times, and minimal resource usage make it ideal for building efficient and secure Docker images. This blog post will explore the fundamental concepts of Alpine Linux Docker, its usage methods, common practices, and best practices.

Use different network interfaces for Docker (compose) services and containers

Your music is everywhere... now you don't have to be.

The proper work-around to pull images from GitHub's Container Registry and use them in Synology's Container Manager, with SSH and Docker CLI.

Open source monitoring for networks, servers and more. Set up custom checks, get alerts fast and keep full control of your infrastructure.

Browse all Proxmox VE community scripts.

A build tool and environment manager

Simple, fast, and green CI and caching for nix projects

Replace port numbers with stable, named .localhost URLs. For humans and agents.

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