$ sudo apt-get remove roodi 

Uninstall roodi including dependent package

If you would like to remove roodi and it's dependent packages which are no longer needed from Ubuntu,

$ sudo apt-get remove --auto-remove roodi 

Use Purging roodi

If you use with purge options to roodi package all the configuration and dependent packages will be removed.

$ sudo apt-get purge roodi 

If you use purge options along with auto remove, will be removed everything regarding the package, It's really useful when you want to reinstall again.

$ sudo apt-get purge --auto-remove roodi 

See Also,