How to Verify if a File or Directory Exists in Bash

Master Bash scripting with our guide on how to verify if a file or directory exists. Includes examples and best practices for reliable scripts.

Source: How to Verify if a File or Directory Exists in Bash – LinuxCapable
Similar article: Check if File or Directory Exists in Bash – It’s FOSS

How to Use FiveFilters to Create RSS Feeds for Any Web Page

RSS feeds help you quickly digest headlines from different sources, but not all sites have one. Here’s how FiveFilters can create a feed for any site.

Source: How to Use FiveFilters to Create RSS Feeds for Any Web Page (MakeUseOf)

(Note that TechNotes does have a RSS feed, at https://tech.iprock.com/?feed=rss2)

Access GNOME’s Top Bar when Viewing Fullscreen Content

Those of you who regularly use fullscreen mode for apps and media content in GNOME Shell are gonna dig the following new GNOME extension. It’s called “Peek Top Bar on Fullscreen” because —shock!— that’s exactly what it does: it lets you mouse up to the top of your display when viewing fullscreen content to show the top bar —crucially— without needing to exit fullscreen mode.

Source: Access GNOME’s Top Bar when Viewing Fullscreen Content – OMG! Linux

Add ‘Open Terminal Here’ for other Terminal Emulator in Ubuntu 22.04

When right-clicking on either a folder or blank area in file manager, there’s an “Open in Terminal” menu option to launch system default terminal with that folder as working directory.

The option in Ubuntu so far is provided by the built-in gnome-terminal package. Meaning no way to use the option for another terminal emulator. However, there’s an extension can add similar option to open terminal from in-side folder.

Source: Add ‘Open Terminal Here’ for other Terminal Emulator in Ubuntu 22.04 | UbuntuHandbook

How to use df command in Linux / Unix {with examples}

We use the df command to find total disk space and available space on a Linux / Unix file system. Let us see how to use the df command to view the amount of free space left on your Linux, macOS, *BSD and Unix file system. We will also explain how to automate disk space monitoring and send an email alert or push notification to your mobile device.

Source: How to use df command in Linux / Unix {with examples} – nixCraft

How to Install Webmin on Ubuntu

Webmin is a web-based tool that allows you to manage Linux-based operating systems such as Ubuntu.

From this web interface, you can control various features of your Ubuntu operating system, such as users, system settings and more.

Source: How to Install Webmin on Ubuntu – Pi My Life Up

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