On Wed, 26 Aug 2020 18:33:10 +1000
onefang <onefang_devuan@???> wrote:

>cpulimit looks like it might work.

cpulimit works well for me: I use it to stop an old but busy machine
overheating when scanning a 45G rolling backup with clamav; although it
takes 19 hours to do it at 25%, it's solid and stable.

fraser