• Linux Backup

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ssh-keygen Command in Ubuntu 20.04 LTS Linux server - Explained with examples

This article covers how to generate different types of keys like RSA, DSA for authentication and connect to the different remote servers by copying the public key to the $HOME/.ssh/authorized_keys file of the remote server.

• Amazon Web Services (AWS)

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Install VLC Media Player on Manjaro 21.2.2 Linux System

This article covers how to install VLC media player on Manjaro Linux. In fact, you can run the application whenever you want and stream videos on it. VLC supports subtitles, closed captions and is translated into numerous languages.

• Docker

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Different methods to Open a File in Linux

This article covers the different methods to open a file in Linux via a terminal. In fact, In Linux, we can display various file formats such as text file, audio files, video, image, doc, pdf, or any other file contents.

How to Open File Using gnome-open Command ?

For the GNOME-based Linux environment, we can use the gnome-open command to open a file.

If the gnome utility is not installed on our machine, we can install it by using the following command:

$ sudo apt install libgnome2-bin  

Execute the above command and provide the system administrator password to install the GNOME utility.

Now, to display the file content, execute the command as follows:

$ gnome-open Test.txt  

The above command will open the file with the default file system.

There are some other popular Linux environments, such as KDE DESKTOP, OS X UNIX, and more.

For KDE Desktop, execute the command as follows:

$ kde-open <file name>  

or,

$ xdg-open <file name>  

For OS X UNIX, execute the command as follows:

$ open <file name> 

• Linux Backup

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Different Ways to Install Software on Ubuntu Linux

This article covers the different ways of installing any software on Ubuntu Linux. In fact, When it comes to installing software on Linux, you are not restricted to one single method.

• Docker

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Most Effective GUI Tools to Free Up Space on Ubuntu and Linux Mint

This article covers the best GUI Tools to Free Up Space on Ubuntu and Linux Mint . In fact, you can use these tools to regularly keep your Ubuntu / Linux Mint system free of junk files.

How to Remove old kernels from the Ubuntu / Linux Mint system  ?

1. As we should know, the Linux Kernel is the heart of the system, but it is also known that it is updated every so often, so they are released new versions which are installed in the system displacing the old versions which remain stored without being eliminated.

For this we must type the following command:

$ sudo dpkg 'linux-image *' --list

2. Next, they must identify their oldest kernels and execute the following command to remove the previous versions.

Just replace xxxxx with the version of Linux you want to delete:

$ sudo apt-get remove linux-image-xxxxx

3. As an alternative, an easier way to clean up these old kernels is to use 'autoremove':

$ sudo apt-get autoremove  --purge

• Windows

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Export Bookmarks in Google Chrome - Step by step guide ?

This article covers the steps of exporting the bookmarks in Google Chrome on a Linux Mint 20 system. In fact, You can also follow these steps whenever you want to view all of your Google Chrome bookmarks in one glance.

How to Add bookmarks to Google Chrome ?

To import bookmarks from most browsers, like Firefox, Internet Explorer, and Safari:

• On your computer, open Chrome.
• At the top right, click More More.
• Select Bookmarks and then Import Bookmarks and Settings.
• Select the program that contains the bookmarks you'd like to import.
• Click Import.
• Click Done.