$ sudo apt-get remove peg-e 

Uninstall peg-e including dependent package

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

$ sudo apt-get remove --auto-remove peg-e 

Use Purging peg-e

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

$ sudo apt-get purge peg-e 

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 peg-e 

See Also,