Upgrade RAM on a Dell Inspiron 5580 laptop

The easiest way to do this is to visit the Crucial site, and scan the computer if you use Windows. However, on Linux, find out details about the RAM installed open a terminal window and enter :$ sudo dmidecode | more <enter> And scroll through the list till you get to the DIMM block. Here … Continue reading Upgrade RAM on a Dell Inspiron 5580 laptop →

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 →

Extract audio stream from a video file using ffmpeg

To extract the audio stream from a video file using ffmpeg, open a terminal window and enter the following command: $ ffmpeg -i file.avi -vn -ab 256k -ar 48000 -y file.mp3 <enter> Note that the values 256 and 48000 in the above example can be changed per convenience.

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.

Open a terminal window in Linux

To Open up a terminal window on your Linux computer, press Alt+F2 to pull up the following window. You will see a terminal window. At the $ prompt, you can type any commands. This is also called the command line in Linux.