Youtube-dl ERROR: ffprobe or avprobe not found. Please install one.

When i try to download youtube video into mp3 using youtube-dl command line tool, i get an error like this : ffprobe or avprobe not found. Please install one. How to solve this issue?

How to fix W: Target Packages (main/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list

This morning, i decided to upgrade my laptop which runs on lubuntu 17.10 to the new lubuntu 18.04 bionic, but when i run apt-get update command, this error appear in the command line:

How to fix error Qt platform plugin "xcb"

Yesterday i was installing new program on my lubuntu laptop, but i got an error that says: This application failed to start because it could not find or load the Qt platform plugin "xcb" in ""

How to manage Passwords and Keys on Lubuntu

Your computer may stored passwords and keys from various places, like wifi passwords, web certificates and PGP keys. Wouldn't be nice if there is a GUI program for managing all of these?

English dictionary program on Lubuntu

If you are someone who love working with words, like maybe you are a writer or something, perhaps having a dictionary is going to help you a lot. Why not have an english dictionary program on your computer? In this article i will show you how to install an english dictionary program on lubuntu.

How to logout Lubuntu desktop from terminal

Alright guys in this article i'm going to show you one cool trick on lubuntu, and that is logout from lubuntu desktop using the command line interface (CLI)/Terminal. Let's have some fun!

VLC does not support the audio or video format "hevc"

This morning when i try to open a movie file with VLC on lubuntu, i got an error saying that audio or video format not supported, here's the error message:

Learning basic linux command on Lubuntu

Learning how to use command line is essential if you want to survive in the linux world, if you are a beginner you must learn these basic linux command, it will help you a lot when working with lubuntu.

How to switch between PHP 5.6 to 7.1 and vice versa

You can have more than one php version installed on your system, for example you have php 5.6 and php 7.1, but only one can be active at the moment, so basically you can switch back and forth between the two easily, no need to uninstall one version in order to use the other. In this tutorial i will show you how to switch from php 5.6 to php 7.1 and vice versa.

How to install PHP 5.6 on Lubuntu 17.10

Lubuntu 17.10 artful aardvark comes with php version 7.1 in the repository, but if you want to have the old php 5.6 back, probably because you are working on a project which works well on php 5.6 but not working very well on php 7.1, then installing php 5.6 is make sense.

How to fix GPG error “NO_PUBKEY” when running apt-get update

Yesterday when i try to add PPA repository for webupd8team, i get an error saying GPG error: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY C2518248EEA14886. This happens on lubuntu 17.10 artful aardvark, so how do i fix this issue?

3 Best tool for working with MySQL database

MySQL is one of the most popular relational database out there and has been around for long time, if you are developer who works a lot with MySQL, you probably want to check out these 3 program that can help you when working with MySQL database. So these are 3 best tool for MySQL database.

3 Best GUI program for MongoDB

Working with command line can be tough for some people (not me), but there is always a graphical tools that can help. So these are graphical user interface (GUI) program for working with MongoDB, most of these programs are free to use and available for linux.

How to install Youtube-dl on Lubuntu 17.10

Youtube-dl is command line tool for downloading videos from youtube as well as other sites that has video that you wish to download, youtube-dl is amazing. In this article i will show you how to properly install youtube-dl on lubuntu 17.10 artful.

Error retrieving accessibility bus address: org.freedesktop.DBus.Error.ServiceUnknown: The name org.a11y.Bus was not provided by any .service files

When i try to run byzanz screen recorder i get annoying error message like this: 

WARNING **: Error retrieving accessibility bus address: org.freedesktop.DBus.Error.ServiceUnknown: The name org.a11y.Bus was not provided by any .service files

This happened on both lubuntu 16.04 and lubuntu 17.10 (maybe lubuntu 17.04 too). So how to fix this issue?

How to install Virtual Keyboard on Lubuntu 16.04

If your keyboard is broken but you still want to type something, you can use on screen virtual keyboard. There is a virtual keyboard program on lubuntu called 'onboard', in this article i will show you how to install virtual keyboard on lubuntu 16.04.

How to install MongoBooster on Lubuntu 16.04

Besides MongoDB Compass and Robomongo 3T, there is also MongoBooster, another GUI application for managing MongoDB noSQL database. In this article i'm going to show you how to install MongoBooster on Lubuntu 16.04.

How to install Robomongo 3T on Lubuntu 16.04

Robo 3T or Robomongo 3T is another graphical user interface (GUI) program for managing MongoDB noSQL database. Robomongo is a free software and currently not available as part lubuntu/ubuntu repository, but don't worry i will walk you through on how to install robomongo on lubuntu.

How to install TeamViewer on Lubuntu 16.04

Teamviewer is one of the best remote desktop software in the world, it allows you to access your computer remotely through internet connection. Teamviewer available on various operating system such as windows, mac, linux, android, ios, blackberry, and windows phone. In this article i will show you how to install teamviewer on lubuntu 16.04.

phpMyAdmin deprecation notice error Lubuntu 16.04

Yesterday when i open phpmyadmin on my laptop which runs lubuntu 16.04 and php 7.0, i get a bunch of error message like this: