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 It is outdated and has security bugs which have been fixed in future versions.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 find out network adapters on Linux

To find out the network adapter on the computer in Linux, open a terminal window and type the following command:

$ inxi <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

System scaling in Linux on 1920×1080 display (HiDPI)

Note system scaling works out of box with Cinnamon desktop. Open a terminal window and install it with:

$ sudo apt-get install cinnamon-desktop-environment <enter>

To do system scaling in the Gnome Desktop Environment, install the gnome-tweak tool. To do so, open a terminal window and enter the command as below:

. . . → Read More: System scaling in Linux on 1920×1080 display (HiDPI)

How to restart wifi after Suspend/Resume Ubuntu Linux

Ubuntu Linux installed on a Lenovo laptop randomly disables wireless networks altogether. Subsequently, it does not show any wireless networks too in Network Manager.

To resolve this issue, did the following:

$ sudo lshw -class network <enter>

Below is the result.

Notice the logical name wlp2s0b1 and the driver brcmsmac

*-network description: . . . → Read More: How to restart wifi after Suspend/Resume Ubuntu Linux

Error when opening a LUKS encrypted container file /dev/loop0 Device or resource is busy on Ubuntu 18.10 Gnome Desktop

When you enter the command below in a terminal window:

$ sudo /sbin/losetup /dev/loop0 /home/user1/folder1/containerdatafile <enter>

Device error or resource busy error message appears and the device is not setup.

The reason is that /dev/loop0 is taken by snap.

To overcome the error, change /dev/loop0 to something else like /dev/loop35

Or, if you do not . . . → Read More: Error when opening a LUKS encrypted container file /dev/loop0 Device or resource is busy on Ubuntu 18.10 Gnome Desktop

GnuCash Finance:Quotes Modules MumbaiStock and IndiaMutual to retrieve online quotes (updated)

GnuCash Finance:Quotes Modules MumbaiStock and IndiaMutual have been updated as on January 19, 2019. Please refer http://www.askmeaboutlinux.com/?p=3432 to download the modules and the instructions on how to install them.

GnuCash Finance:Quotes Modules MumbaiStock and IndiaMutual to retrieve online quotes

In GnuCash, the Finance:Quotes module allows retrieval of online quotes from various sources. Herein, are provided two modules, MumbaiStock.pm and IndiaMutual.pm with bugs corrected to enable the download of Stock Quotes from BSE and NAVs from amfiindia.com.

To use the modules, follow the instructions below. Note that you are responsible to take backups and all . . . → Read More: GnuCash Finance:Quotes Modules MumbaiStock and IndiaMutual to retrieve online quotes

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