Ubuntu

Windows

Install and Configure WSL: From Zero to Productive

A practical guide to installing WSL on Windows, configuring your Linux user, moving files between Windows and Linux, and going further with web servers, PowerShell, and VS Code.

OCI ingress rules with port 443 limited to source 10.0.0.0/16

VPS

SSH Tunnel to VPS: A Reverse Tunnel Blocked by Egress Filtering

A reverse SSH tunnel test with an Oracle Cloud VPS, Ubuntu socket activation, proxy diagnostics, and the egress policy that stopped connectivity.

Local Git server architecture showing clients, Caddy reverse proxy, Gitea daemon, and storage layer

Git

How to Build a Local Git Server on Ubuntu

Step-by-step guide to building a self-hosted, GitHub-like Git server on Ubuntu using Gitea, Caddy reverse proxy, SSH passthrough, and team permissions.

Oracle Cloud console creating a free tier Ubuntu virtual machine

VPS

Create an Oracle Free VPS

Register for Oracle Cloud Free Tier, create an Always Free eligible Ubuntu compute instance, configure its VCN and SSH access, then connect and maintain it.

WSL terminal upgrading Ubuntu in place while preserving files

Linux

Upgrade WSL Ubuntu In-Place Without Losing Data

How to upgrade an existing Ubuntu-24.04 WSL instance to Ubuntu 26.04 in place while keeping its files, packages, configuration, and project data.