How to fix the ADB Binary found adb is obsolete and has serious performance problems with Android Emulator error in Android Studio for Linux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 The error ADB Binary found at /home/user/ adb is obsolete and has serious performance problems with Android Emulator appears only if from Android Studio, menu option, Tools -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 SDK Tools, the Android SDK … Continue reading How to fix the ADB Binary found adb is obsolete and has serious performance problems with Android Emulator error in Android Studio for Linux →

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 →

Fix NTFS USB drive in linux

At times, there are errors with mounting NTFS formatted volumes from a USB drive. This can cause pain. Below is the method of how to fix the error, and even though it worked for me, there is no guarantee it will work for anyone else. Try it at your own risk. Open a terminal window … Continue reading Fix NTFS USB drive in linux →

How to extract Opus audio from MKV file

To extract the opus audio from mkv file, open a terminal window and enter the following command: $ ffmpeg -i Attention.mkv -acodec copy -vn audio.opus <enter>

How to find out the audio stream using ffmpeg in .mkv file

To find out the audio stream in the .mkv file using ffmpeg, open a terminal window and enter the following command: $ ffmpeg -i aaa.mkv <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.

Wireless Adapter not detected in Linux Mint 19.1 on Dell Inspiron 5580

On a Dell Inspiron 5580, the wireless adapter is of Intel. The same is not detected when installing Linux Mint 19.1 the first time. This is because of the kernel not being updated. Once Linux Mint 19.1 is installed, the later kernel 4.15.0-52 installed upon update, makes the wireless adapter work.

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: $ sudo apt-get install gnome-tweak-tool … Continue reading System scaling in Linux on 1920×1080 display (HiDPI) →

How to find out time taken in Linux by processes when starting the computer

To identify which system processes take how much time when booting your Linux system, open a terminal window, at type the following command: $ sudo systemd-analyze blame <enter>

How to calculate MD5 or SHA256 sums in Linux and Android

Many of us use Linux Distributions like Ubuntu, Fedora, available for free on the Internet. To install these distributions on our computers, we need to down their ISO files. Recently, the Linux Mint ISO was hacked and malware inserted into some of it's files. It was then repacked and put up on an external website. … Continue reading How to calculate MD5 or SHA256 sums in Linux and Android →