git  version control 

If you've commited some changes in git to the wrong branch, but haven't pushed, use the git reset --soft command to move your changes to the correct branch.

EC2  AWS 

A quick overview of how to recover an unresponsive EC2 instance by mounting the root volume on another instance.

Python  beautiful soup  python 3  scraping 

Notes for web scraping projects utlizing Python 3 and Beautiful Soup

MySQL  MariaDB  RDBMS  system administration 

Quick notes on how to enable root / admin user privileges from remote hosts.

stat  linux  linux utilities  permissions 

Easily display the permissions (in octal form) of a file or folder in linux with the 'stat' command.

Android  Android apps 

A list of useful android apps; focusing on free, open source, and user respecting apps.

PHP  PHP 7.1  type safety 

A quick look at how to declare a nullable return type in PHP 7.1 and above.

Ubuntu  Ubuntu 18.04  Personal Package Archives (PPA) 

Quick command to list software sources and additional PPAs in Ubuntu 18.04

Python 

Save the contents of a python interactive session to a file.

static sites  JAMstack  web forms 

A few options for handling form submissions on static websites.

CSS  box-shadow 

Quick reference for CSS box-shadow property

KDE  Okular  PDF  Kubuntu 

Find and fix the XML file that Okular uses to store PDF bookmark data.

VPN  Algo VPN  WireGuard  Kubuntu  Ubuntu  Kubuntu 18.04  Ubuntu 18.04  wg-quick  networking  routing 

How setup a WireGuard VPN client on Ubuntu/Kubuntu 18.04 (VPN provisioned using Algo VPN)

linux  Battery Life  Power Management  Laptops  TLP 

Some tips to improve laptop battery life on Kubuntu 18.04 (mostly applicable to Ubuntu and other linux variants as well).

rsync  linux 

Better file/directory copying with rsync; a fast, versatile, remote (and local) file-copying tool