How to Switch Between Multiple Java Versions On Ubuntu Linux ?

Switch Java Version

If you have installed multiple JDK on ubuntu and sometimes you might need to change the version … Read more

How to Count number of lines in a file in Linux ?

When you are just interested into number of lines in a file to make some decision based … Read more

How to show progress bar while copying data using Rsync ?

Rsync is very good tool for copying data from remote machine in Linux. The best part of … Read more

How to Add User to Group in Linux ?

By default, when you create a new user in Linux, it also creates a group with same … Read more

Tree command in Linux with examples

Tree Command

Tree command in Linux/Ubuntu is used to list contents of directories in a tree-like format. Tree command … Read more

Fixed : Waiting for cache lock: Could not get lock

When we tried to install one package using “apt-get install” , we got following error, and we … Read more

How to Install libpangox on Ubuntu ?

The best way to identify which package and its version to install if we just know the … Read more

How to extract 7z file in Linux ?

7 Zip

7-Zip is a file archiver with a high compression ratio. Using 7 zip we can compress the directory … Read more

How to install Lyrebird voice changer for Ubuntu / Linux ?


Lyrebird is a Simple and powerful voice changer for Linux, written in GTK 3. In this post, … Read more