How to enable fastestmirror and deltarpms in Fedora

Fastestmirror and deltarpm are perhaps the best features of Fedora, but they are not available by default on the Fedora 32 workstation. To enable these fastestmirror and deltarpm, open a terminal window and do the following: $ sudo vi /etc/dnf/dnf.conf <enter>Add the following two lines to the end of the filefastestmirror=truedeltarpm=true:wq Once the above has … Continue reading How to enable fastestmirror and deltarpms in Fedora

How to fix Android Studio error message – Emulator: createOrGetGlobalVkEmulation: Warning: Vulkan 1.0 APIs missing from instance

Android Studio upon being freshly installed displayed the below error message in the event window: Emulator: createOrGetGlobalVkEmulation: Warning: Vulkan 1.0 APIs missing from instance This error is due to the Vulkan APIs that are not needed if the computer has no graphics card. To overcome this error, open a terminal window and do the following: … Continue reading How to fix Android Studio error message – Emulator: createOrGetGlobalVkEmulation: Warning: Vulkan 1.0 APIs missing from instance

IntelliJ IDEA displays error that Java SDK is not installed

When IntelliJ IDEA is installed, Kotlin applications cannot be compiled or run unless the Java SDK is installed. Choose to get the Oracle Java SDK or install the OpenJDK SDK corresponding to the OpenJDK Java Runtime Environment that has been installed. By default, the Linux distribution will just install the Java Runtime Environment (JRE). To … Continue reading IntelliJ IDEA displays error that Java SDK is not installed

How to enable greyed out Get Quotes button in GnuCash for stock quotes retrieval

On fresh install of Xubuntu 20.04 LTS, it was noticed that the Get Quotes button on the Price Editor option of GnuCash was greyed out. To diagnose this, open a terminal window and enter the following commands:$ gnc-fq-check <enter> The error Can't locate Finance/Quote/Yahoo/Asia.pm in @INC is displayed. This means that the Finance::Quotes module is … Continue reading How to enable greyed out Get Quotes button in GnuCash for stock quotes retrieval

How to enable Android Studio AVD to use only lesser number of CPUs than available on the computer

To use only 2 cores of the CPU of the computer, do the following action after opening a terminal window in Linux, where Device10.avd is the Android 10 AVD created: $ vi ~/.android/avd/Device10.avd/config.ini <enter> Change the values in red for the below parameters in the file to those in blue as below.hw.cpu.ncore=4 hw.cpu.ncore=2 Save the … Continue reading How to enable Android Studio AVD to use only lesser number of CPUs than available on the computer

How to speed Android Studio in Linux by changed VM Options

After installing Android Studio 4.1 on Linux, one of the biggest issue was speed of Android Studio at startup. To improve speed vmoptions64 or vmoptions needs to contain the setof lines in blue below. You can change the file using a text editor as follows by opening a terminal window: $ mousepad ~/.AndroidStudio4.0/config/studio64.vmoptions <enter> or … Continue reading How to speed Android Studio in Linux by changed VM Options

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

Additional step to install Epson L365 Ink Tank printer driver on Ubuntu Linux 20.04 LTS

Several attempts to install the Epson L365 ink tank printer on the Ubuntu 20.04 LTS computer were futile as the L series printers never showed up on the list of printers in Settings -> Printers and Add printer. Even though Epson was available for selection, it only showed the dot matrix printers in the list … Continue reading Additional step to install Epson L365 Ink Tank printer driver on Ubuntu Linux 20.04 LTS

How to use India income tax Java utilities on Linux Mint 19

To run the Indian income tax Java utilities on Linux Mint 20 or Fedora 32 or Ubuntu 20.04 LTS, refer to this link https://askmeaboutlinux.com/2020/07/30/how-to-run-india-income-tax-java-utilities-on-linux-mint-20-or-ubuntu-20-04-lts/ Upon download and execution of the income tax India utilities for the ITRs for Java, the following error is display when the utility is run using Java 11 on Linux. "Error: … Continue reading How to use India income tax Java utilities on Linux Mint 19