How to add 8 gb swap file instead of the 1 gb swap partition created by Xubuntu Linux on install

When using Android Studio or any other disk intensive applications, on Ubuntu-based distros, it is difficult to squeeze performance due to less RAM. 8gb RAM if using Android Studio and if Firefox web browser is also being used, the system will freeze or hang. To prevent this, increase the swap size. Unfortunately, Ubuntu-based distros only … Continue reading How to add 8 gb swap file instead of the 1 gb swap partition created by Xubuntu Linux on install

How to run India income tax Java utilities on Linux Mint 20 or Ubuntu 20.04 LTS or Fedora 32

From Ubuntu 20.04 LTS or LinuxMint 20, the Java 8 SDK or Java 8 Runtime Environment is in the repository, but the openjfx libraries are not of version 8 but of version 11. To overcome error, you can use the Zulu Java runtime for version 8 with JavaFX. Also, these steps can work on Fedora … Continue reading How to run India income tax Java utilities on Linux Mint 20 or Ubuntu 20.04 LTS or Fedora 32

Error running Income Tax India ITR utility on Fedora 32 Linux

India income tax returns filing utilities are created using Java 8 SDK and use Java FX. These can only be run using Java 8 as Java FX was bundled with it. Newer versions of Java from Oracle do not bundle Java Fx anymore. Therefore, when running the Java income tax utilities, the following error (in … Continue reading Error running Income Tax India ITR utility on Fedora 32 Linux

How to change GPU mode for Android 10 Google Play API Pixel 3 AVD in Android Studio for Linux

If you install the AVD with Google Play Store, you cannot modify the GPU from Automatic or Hardware to any other value. It appears greyed in the AVD settings. Some of us do not have graphics cards on our systems and therefore, this setting has to be changed in order to enable Android Studio AVDs … Continue reading How to change GPU mode for Android 10 Google Play API Pixel 3 AVD in Android Studio for Linux

How to shred a file on Linux leaving no remnants

Sometimes we have files on our hard disks that we would like to remove for good. If you have set up full disk encryption when you installed Linux on your computer, you will have an encrypted hard disk which is pretty much useless to anyone without the password that only you know. However, sometimes, to … Continue reading How to shred a file on Linux leaving no remnants

How to speed up boot time on Linux if it boots slowly

My Linux computer was very slow to start up. It took approximately 4 minutes to get to the login prompt. Before performing any of the steps below, take a backup of the data on the computer. Also, you follow the steps below at your own risk. No one is responsible for whatever you do with … Continue reading How to speed up boot time on Linux if it boots slowly

How to verify files copied with hashes computed using hashdeep on Linux

Linux is very meticulous about maintaining the integrity of files and the file system when copying files across folders. However, there are occassions when the copies of files need to be verified with those of the original. To do this, hashdeep is a good tool to compute hashes of files copied and compare them with … Continue reading How to verify files copied with hashes computed using hashdeep on Linux

How to update Currency Quotes in GnuCash on Ubuntu

If you use GnuCash on Ubuntu 16.04 LTS, then this will apply to you. Over last few months, I have not been able to get stock quotes or currency updates for stocks on the NYSE, NASDAQ, Yahoo Finance. The reason is that Yahoo Finance Finance::Quotes module does not work anymore to fetch the quotes and … Continue reading How to update Currency Quotes in GnuCash on Ubuntu

Install VirtualBox on Ubuntu 16.04 LTS to run Windows 10 Insider Preview

VirtualBox package in Ubuntu 16.04 LTS does not successfully install Windows 10 Insider Preview. To install, you need to install VirtualBox from the Oracle website at this link: https://www.virtualbox.org/wiki/Linux_Downloads As instructed on that site: Open a terminal window and add the following line to the /etc/apt/sources.list file: $ sudo vi /etc/apt/sources.list <enter> deb http://download.virtualbox.org/virtualbox/debian xenial … Continue reading Install VirtualBox on Ubuntu 16.04 LTS to run Windows 10 Insider Preview