How to fix poor resolution of menu fonts in Libreoffice

Libreoffice installed out of the box from Debian 12 displays a menu with an outdated theme. The fonts displayed appear distorted and squiggly. To overcome this issue, open a terminal window and enter the command below to install the libreoffice-gtk3 package. $ sudo apt-get install libreoffice-gtk3 <enter> Restart Libreoffice and the fonts now conform to … Continue reading How to fix poor resolution of menu fonts in Libreoffice →

How to check the audio type in a video file

To check the type of audio stream in a video file on Linux, open a terminal use ffprobe. $ ffprobe aaa.avi <enter> This lists out the properties of audio file.

How to restore or reinstall package uninstalled on android using adb

To reinstall an existing uninstalled package on a Samsung Android phone, connect the device to the computer in developer mode and start up ADB. List all uninstalled packages and check the package name that is to be reinstalled, for example, gallery3d, in the adb window, enter:pm list packages -u | grep "gallery" <enter> To install … Continue reading How to restore or reinstall package uninstalled on android using adb →

How to merge PDF files in Linux

Merging PDFs in Ubuntu Linux or Linux Mint was real easy using the pdfunite command in a terminal. To merge PDF files in Linux open a terminal window enter the following command:$ pdfunite file1.pdf file2.pdf file3.pdf combined.pdf <enter> where file1.pdf, file2.pdf and file3.pdf are the individual pdf files that will be merged and combined.pdf is … Continue reading How to merge PDF files in Linux →

How to install wine stable from winehq on Linux Mint 21 or Ubuntu 23.04+ or Debian 12+

The wine package in the Ubuntu Linux repository is older, but running applications from it, cannot connect to the internet. It was found that upgrading to wine version in the winehq repository solved this error. To install wine from winehq, open a terminal window and enter the following commands: $ sudo dpkg --add-architecture i386 <enter> … Continue reading How to install wine stable from winehq on Linux Mint 21 or Ubuntu 23.04+ or Debian 12+ →

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 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 performance 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 performance 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 →