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

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How to fix the ADB Binary found adb is obsolete and has serious performance problems with Android Emulator error in Android Studio for Linux

The default Android SDK installed with Android Studio already has the adb application installed and it is the latest. The error ADB Binary found at /home/user/ adb is obsolete and has serious performance problems with Android Emulator appears only if from Android Studio, menu option, Tools -> SDK Manager -> SDK Tools, the Android SDK … Continue reading How to fix the ADB Binary found adb is obsolete and has serious performance problems with Android Emulator error in Android Studio for Linux

One more way to speed Android Studio in Linux

At times, Android Studio just slows down while indexing files on the Linux file system. To overcome this problem, some files like Thumbs.db or thumbs.db can be prevented from being taken up for indexing. To do so, start Android Studio and select the File->Settings -> File Types. Then at the end of the list of … Continue reading One more way to speed Android Studio in Linux

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 find serial number of computer in Linux using dmidecode

To find the serial number of the computer, open a terminal window and install dmidecode using apt-get as below:$ sudo apt-get install dmidecode <enter> Thereafter, enter the following command to get the serial number:$ sudo dmidecode | grep -i serial <enter> Now you will see the serial number of the computer. The serial number is … Continue reading How to find serial number of computer in Linux using dmidecode

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