install tar.xz in ubuntu

tar -xf file.tar.xz

Download the desired .tar.gz or (.tar.bz2) file
Open Terminal
Extract the .tar.gz or (.tar.bz2) file with the following commands
tar xvzf PACKAGENAME.tar.gz
tar xvjf PACKAGENAME.tar.bz2
Navigate to the extracted folder using cd command
cd PACKAGENAME
Now run the following command to install the tarball
./configure
make
sudo make install

tar -xzf archive-name.tar.gz
cd archive-name
./configure
make
sudo make install

tar xf [filename]

tar xf [filename]

This will expand the contents of the file to a folder. Then the commands are, from the folder:

./configure

make

sudo make install