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Allow SMB in UFW

Allow SMB traffic in UFW on Ubuntu & Debian.

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Check Exit Status of Bash Command in a Script

Check a Bash command exit status in a script.

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Configure Screen Locking Shortcut in KDE

Learn to configure the screen locking shortcut in KDE.

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Delete Files Older than X Days in Python

Create a Python script to delete files older than x days.

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Open Crontab with Nano

Learn how to use nano to edit crontab files.

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Invalidate CloudFront Objects with Boto3

Learn to Invalidate CloudFront objects by paths with Boto3.

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Encode Strings for XML with Python

Properly format strings for XML with Python.

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Write Self-Executing JavaScript Functions

Make variable maintenance easier with self-executing functions.

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Use Javascript to Open a Link in a New Tab

Opening a link in a new tab with JavaScript is very straight-forward.

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Use Class Inheritance in Python

Class inheritance is an important concept in Python.

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Use Boto3 to HEAD S3 Objects

Learn to HEAD S3 objects with Python & Boto3

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Use Class Methods in Python

Create alternate constructors for a class.

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Use Class Inheritance in JavaScript

Learn to use class inheritance & reduce code.

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Learn to Use Argparse for Python

Accept command line arguments in your Python script.

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Sort a List of Objects by Attribute in Python

Use the operator module to sort by object attributes.

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