I also use that script but beware: please go carefully through it, and disable lines where necessary. For instance, it assumes you have a small SSD: it disables

I also use that script but beware: please go carefully through it, and disable lines where necessary. For instance, it assumes you have a small SSD: it disables hibernation (lines 138-148) and disables local Time Machine backups (line 677 and 678). This is almost certainly not what you want.