Beginner
190 entries match these filters
- 0277 What is TLS? TLS is the encryption layer that puts the S in HTTPS, protecting data between your browser and a server. Beginner · Explains an idea · Any system Article TLS & certificates 15 Oct 2026
- 0278 What is a certificate? A certificate is a digital ID card that proves a website or server is genuine, issued by a trusted authority. Beginner · Explains an idea · Any system Article TLS & certificates 15 Oct 2026
- 0261 Build a Python command-line to-do app: from empty folder to installable command Create a small to-do tool in Python with argparse and JSON storage, test it with pytest and package it with pyproject.toml so… Beginner · Guided project · Any system Article Environments & packages · Files & automation · Testing 15 Oct 2026
- 0262 Make your first pull request: Git and GitHub from first commit to merged change A complete beginner's path through Git and GitHub: set up Git, make commits, ignore files, use branches, push to GitHub, open a… Beginner · Guided project · Any system Article Branching & rebasing · Pull requests · Setup 15 Oct 2026
- 0264 Build an accessible, responsive event page: semantic HTML, Grid and a form with clear errors Build a one-page event site from scratch with semantic HTML, a mobile-first Flexbox and Grid layout, an accessible sign-up form with error… Beginner · Guided project · Browser Article Accessibility · Layout 15 Oct 2026
- 0232 mongosh cheat sheet: CRUD, indexes and explain() The mongosh commands you use every day: switching databases, inserting, querying, updating and deleting documents, creating indexes and checking a query plan… Beginner · Cheat sheet · Any system Article Basics 15 Oct 2026
- 0236 Redis data types and commands: a quick reference Redis stores values under keys, and each value has a type: string, hash, list, set, sorted set or stream. The essential commands… Beginner · Cheat sheet · Any system Article Basics 15 Oct 2026
- 0241 Choosing a database: relational, document or key-value Relational databases, document stores like MongoDB and key-value stores like Redis each fit different jobs. An honest look at what each does… Beginner · Explains an idea · Any system Article Choosing a database · Database operations 15 Oct 2026
- 0247 Build a Proxmox VE home lab: from bare metal to your first restored backup Install Proxmox VE on one spare machine, switch to the free update repository, create a VM and an LXC container, then schedule… Beginner · Guided project · Linux Article Backup & restore · Installation & first steps · VMs & containers 15 Oct 2026
- 0248 Run your first KVM virtual machine with libvirt and virt-install Turn a Linux desktop or server into a KVM host: check CPU support, install libvirt, use the default NAT network, create a… Beginner · Guided project · Linux Article Basics 15 Oct 2026