Author: Dragos

Page 32 of 38 — 376 guides by this author

100+ Essential Linux Commands You MUST Know (2026 Guide)

Master the Linux command line with this cheat sheet of 100+ essential Linux commands.

Dragos

July 10, 2024

Deploy PGvector & PGadmin on Docker and Ditch Pinecone

Deploy PGvector & PGadmin on Docker Compose and run your own vector database. Self-host embeddings, skip Pinecone's $50/month minimum, and save big.

Dragos

June 12, 2024

Self-Hosting

Dokploy Install: Self-Host Your SaaS, Ditch Vercel & Heroku

Dokploy install guide for a VPS: harden SSH, add CrowdSec and swap, then deploy your first apps on this free, open-source Vercel and Heroku alternative.

Dragos

June 11, 2024

Linux

Fix Cannot Open Packages Database In /var/lib/rpm DB_RUNRECOVERY: Fatal error

Learn how to fix the common Cannot Open Packages Database In /var/lib/rpm DB_RUNRECOVERY: Fatal error and install packages.

Dragos

May 24, 2024

Tools

How to Install Python on Mac, Upgrade It & Use VENV (2026)

Step-by-step guide to install Python on Mac using Homebrew, upgrade to the latest version, and set up a Python virtual environment (venv) for your projects.

Dragos

March 26, 2024

Self-Hosting

How to Run Any Python App in Docker with Docker Compose

Learn how to run any Python app in Docker with Docker Compose. Updated for 2026 with modern best practices, health checks, non-root users, and Cloudflare…

Dragos

March 25, 2024

Linux

Add a New Drive to Ubuntu LVM and Mount It Permanently

Add a new drive to Ubuntu LVM: pvcreate, vgcreate, lvcreate, ext4 format, and persistent mount with fstab nofail. Step-by-step guide for Ubuntu 24.04.

Dragos

March 21, 2024

Web Development

How to Migrate Astro to Bun on CloudFlare Pages (2026 Guide)

Migrate your Astro project from Node.js to Bun on CloudFlare Pages. Step-by-step guide with build commands, BUN_VERSION setup, verification & troubleshooting.

Dragos

March 19, 2024