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 How to install Epson L365 Ink Tank printer driver on Ubuntu Linux 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: JavaFX runtime components are missing, and are required to run this application" This is error basically indicates that to run the income tax java … Continue reading How to use India income tax Java utilities on Linux
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
When data breaches occur, there are various kinds of data that get compromised. The most critical data that can get compromised is the user name or ID or the password. All is not lost due to a great service hosted by Troy Hunt. Use https://haveibeenpwned.com/ to check if the User name or user ID appears … Continue reading How to check if user name or ID has been compromised in a data breach
Mozilla Firefox 75+ has made a change in the way it determines whether web sites open in a private window or not. This is now tied in with the "Remember History" option in Preferences -> Privacy and Security option. To enable Private Windows all the time, select "Never Remember History", but to disable private windows, … Continue reading Remember History in Firefox 75+ and private browser windows
Learning Kotlin is fun, but where to get started? One the of the best tutorials for newbies is at https://code.tutsplus.com/series/kotlin-from-scratch--cms-1209. Learn from scratch. To practice, download IntelliJ IDEA and work on Kotlin code anytime in it.
To save an email in the .eml format, follow the steps below: Login to the email accountIf Conversation view is enabled, then disable it. In GMail, this is in the Settings optionDownload the email as .eml format. Once above steps are done, the email is available in the .eml format. In some email services, this … Continue reading How to save an email in the .eml format
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.
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
At times, short URLs starting with https://bit.ly or https://goo.gl or any other short and strange form are received via SMS or even email. It is difficult to authenticate and know where these URLs point to. If the source is trusted, then too, it is important to know and validate these URLs to ensure they do … Continue reading How to validate a short URL