Switch over to the Files tab, where you can change the option to “Delete downloaded packages after installation”, which will prevent the caching entirely. You’ll also notice that you can use the Delete Cached Package Files button from this screen to clean up the packages.

How do I clean up Ubuntu?

Steps to Clean Up Your Ubuntu System.

1. Remove all the Unwanted Applications, Files and Folders. Using your default Ubuntu Software manager, remove the unwanted applications that you don’t use.
2. Remove unwanted Packages and Dependencies. …
3. Need to Clean the Thumbnail Cache. …
4. Regularly clean the APT cache.

How do I free up memory in Ubuntu?

Essential Guide: 5 Simple Ways To Free Up Space on Ubuntu

1. Clean the APT Cache (And Do It Regularly) …
2. Remove Old Kernels (If No Longer Required) …
3. Uninstall Apps & Games You Never Use (And Be Honest!) …
4. Use A System Cleaner like BleachBit. …
5. Stay up to date (seriously, do it!) …
6. Summary.