Allow SMB traffic in UFW on Ubuntu & Debian.
Check a Bash command exit status in a script.
Learn to configure the screen locking shortcut in KDE.
Create a Python script to delete files older than x days.
Learn how to use nano to edit crontab files.
Learn to Invalidate CloudFront objects by paths with Boto3.
Properly format strings for XML with Python.
Make variable maintenance easier with self-executing functions.
Class inheritance is an important concept in Python.
Learn to HEAD S3 objects with Python & Boto3
Create alternate constructors for a class.
Learn to use class inheritance & reduce code.
Accept command line arguments in your Python script.
Use the operator module to sort by object attributes.