In Fedora + Gnome, the setting is under Settings > Accessibility > Typing.
In Mint + Cinnamon, it’s covered by Effects.
In Fedora + Cinnamon, it seems to drop through the cracks.
It probably has a command-line fix, but I find blinking cursors painful and blinding. I’m not sure where to report this bug, since Cinnamon is mostly associated with Mint.