Use the following command to install PAR2 support on your Linux host :
sudo apt-get install par
If your device has more than 1 core available, you can significantly speed up verification and repair by using all cores in your system. Installing these multicore versions of Par2 is easy for many platforms :
sudo add-apt-repository ppa:jcfp/sab-addons sudo apt-get update sudo apt-get install par2-tbb