How to find Windows 10 OEM product key

If you bought a new laptop with Windows 10 pre-installed on it, to find the product key in Linux, open a terminal window and enter the following command:

$ sudo strings /sys/firmware/acpi/tables/MSDM <enter>

How to install Java 8 SE and run Income Tax India ITR 2019 Java utilities in Linux

Those who want to run the ITR Java utilities released by the Income Tax Department India on Linux, must note that Java 8 SE is no more supported by Oracle. It is outdated and has security bugs which have been fixed in future versions. Future versions do not run the ITR utilities.

Follow below . . . → Read More: How to install Java 8 SE and run Income Tax India ITR 2019 Java utilities in Linux

How to speed up starting of Ubuntu 19.04 on the Dell Inspiron 5580

Open a terminal windows in linux and enter the following commands:

$ sudo apt-get purge snapd* <enter>

Above command removes snapd.

$ sudo systemd-analyze blame <enter>

Also, found the plymouth-quit-wait.service takes very long time in boot. To eliminate the problem, enter following commands:

$ sudo vi /etc/default/grub . . . → Read More: How to speed up starting of Ubuntu 19.04 on the Dell Inspiron 5580

How to find out the audio stream using ffmpeg in .mkv file

To find out the audio stream in the .mkv file using ffmpeg, open a terminal window and enter the following command:

$ ffmpeg -i aaa.mkv <enter>

How to quickly create a 150 GB file on Ubuntu

There are various methods to create a 150 GB file on Linux, but the fastest way to do so is to use fallocate. Open a terminal window and enter the command below:

$ fallocate 150G filename <enter>

The above command creates a 150 gb file named filename.

. . . → Read More: How to quickly create a 150 GB file on Ubuntu

How to enable Cut, Copy and Paste menu options in Thunar after installing xubuntu desktop on Ubuntu 18.10

Upon installing the XFCE desktop, everything works fine. However, Cut, Copy and Paste menu options are greyed out in Thunar.

To enable this, select Settings -> Session and Startup -> Advanced and uncheck the box where it says Launch GNOME services on startup.

Reboot the computer and you will be able to cut, copy . . . → Read More: How to enable Cut, Copy and Paste menu options in Thunar after installing xubuntu desktop on Ubuntu 18.10

How to debloat, remove crapware from Xiaomi Redmi Note 5 Pro smartphone

Never look a gift horse in the mouth..

If you are one of those who is a technology connoisseur and love to compare specifications of smart phones before making a purchase decision, you need to be aware that the Xiaomi Redmi Note 5 Pro with 6 GB Internal RAM, best display and camera is . . . → Read More: How to debloat, remove crapware from Xiaomi Redmi Note 5 Pro smartphone

Install XFCE desktop and remove Gnome desktop on Ubuntu 18.10

To install Xubuntu after you have install Ubuntu 18.10 with the default Gnome desktop, make sure to take a backup of your data and then open a terminal window and run the following commands:

$ sudo apt-get install xubuntu-desktop <enter>$ sudo apt-get purge whoopsie orage gigolo catfish snap* parole* <enter>$ sudo . . . → Read More: Install XFCE desktop and remove Gnome desktop on Ubuntu 18.10

Speed up application startup time in Ubuntu

If you find your Linux computer is slow in starting up applications, you can install the preload package. It makes a small, discernible difference when launching applications.

To install, open a terminal window and run the following command:

$ sudo apt-get install preload <enter>

. . . → Read More: Speed up application startup time in Ubuntu

Remove a broken package on Ubuntu

To remove a broken package, open a terminal window and enter following command:

$ sudo dpkg –remove package-name <enter>

where package-name is the broken package to be removed.

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