After hearing it pronounced as both cha-root and shhh-root in the same presentation, I started having existential doubts. So:

How does fedi pronounce chroot?

c-h-root
37.1%
cha-root
31.5%
shhh-root
14%
she-root
1.1%
Other / I know a funnier one (comment)
16.3%
Poll ended at .
@jra Kroot (it's a hard CH)