ffmpeg audio file editing commands

To edit video and audio files in ffmpeg, below are some commands. Open a terminal window and try them out. These are very useful when creating training videos. Extract mp3 audio from mp4 file$ ffmpeg -i video.mp4 -vn -ab 256k -ar 48000 -y audio.mp3 <enter> Split from 7 seconds to end$ ffmpeg -i audio.mp3 -ss … Continue reading ffmpeg audio file editing commands →

How to update snap packages in Ubuntu or Xubuntu

To update snap packages in Ubuntu or Xubuntu open a terminal window and enter the following commands:$ sudo snap refresh <enter> To list snap packages use:$ snap list <enter>

How to install Epson L365 inktank printer in Ubuntu or Xubuntu or Linux Mint

The Epson L365 ink tank printer on the Ubuntu 23.04 computer was not being installed. 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 of printers that can … Continue reading How to install Epson L365 inktank printer in Ubuntu or Xubuntu or Linux Mint →

How to de-snap Xubuntu 22.10+

Snap uses loopback devices for applications it installs. These can cause a device or resource busy error if loopback device is also used for encrypted container files due to conflict. To cut a long story short, I decided to completely de-snap Xubuntu. This involves complete removal of snap. Below are the steps done in a … Continue reading How to de-snap Xubuntu 22.10+ →

Add sound theme to events in XFCE desktop on Xubuntu 22.10+ Linux

Xubuntu is based on the XFCE desktop. The XFCE desktop has a provision for wonderful sound effects also known as sound theme for events such as desktop login, maximise, minimise, but these do not work by default. The sound theme is there by default and it can be enabled as shown, but here we will … Continue reading Add sound theme to events in XFCE desktop on Xubuntu 22.10+ Linux →

How to query the GTK3 theme currently in use on Linux, enable dark mode and display missing icons in Gnucash

To view the current GTK3 theme in use on the XFCE desktop environment that is pre-installed in distributions like Linux Mint or Xubuntu, open a terminal window and enter the following comment: $ gtk-query-settings theme <enter> Upon enter, it displays the following: gtk-theme-name: "Mint-Y-Dark-Orange" gtk-icon-theme-name: "Mint-Y-Dark-Orange" ! gtk-fallback-icon-theme: NULL gtk-key-theme-name: NULL gtk-cursor-theme-name: "Bibata-Modern-Ice" gtk-cursor-theme-size: 24 … Continue reading How to query the GTK3 theme currently in use on Linux, enable dark mode and display missing icons in Gnucash →

How to report battery or other issue to Dell using SupportAssist Diagnostics if you use Linux

Dell has an application SupportAssist on the laptops it sells. To them, this is their bible about the information on your laptop. Any issue reported to Dell, ends up with technical support staff who ask to run SupportAssist first thing. On a Linux machine, SupportAssist will not work, even in a virtual machine. To overcome … Continue reading How to report battery or other issue to Dell using SupportAssist Diagnostics if you use Linux →

How to run latest India income tax utility for the Financial Year 2021-22 (AY 2022-23) in Linux

The India income tax department has launched a new tax portal and has also created new income tax utilities to enable income tax returns filers to file their tax returns. Past years' utilities could be run on Linux or any other operating system because they were written in Java. However, this time, the utilities are … Continue reading How to run latest India income tax utility for the Financial Year 2021-22 (AY 2022-23) in Linux →

How to fix error while updating repositories in Ubuntu or Linux Mint

On entering the apt-get update command, the following errors appeared. Reading package lists… DoneW: Failed to fetch http://dl.google.com/linux/chrome/deb/dists/stable/InRelease Cannot initiate the connection to dl.google.com:80 (2414:6221:4109:825::210a). - connect (101: Network is unreachable) Could not connect to dl.google.com:80 (2xx.5x.2xx.2xx), connection timed outW: Some index files failed to download. They have been ignored, or old ones used instead. … Continue reading How to fix error while updating repositories in Ubuntu or Linux Mint →

How to install Signal on the Linux Mint 20.1 or Ubuntu

After the WhatsApp privacy changes, many folks have installed the Signal app on their Android devices. Signal also has a desktop client, where Signal can be installed and used on a computer. To install the Linux version, open a terminal window and enter the following commands: Set up the repository$ wget -O- https://updates.signal.org/desktop/apt/keys.asc | sudo … Continue reading How to install Signal on the Linux Mint 20.1 or Ubuntu →