Second, what is /etc/modules?
This literally takes less than a minute to google. According to https://kernel-handbook.alioth.debian.org/ch-modules.html : "If some modules are not loaded automatically by udev, but you would like
On Sun, Apr 10, 2016 at 11:50:44 -0500, Doug Newgard wrote: them to be loaded during boot, it is possible to force it by listing the names of the modules in /etc/modules. This will be scanned for the names of the modules (one name per line), which will then be loaded using modprobe. For example, a typical /etc/modules might look like: loop sbp2"
Third, the >> redirection happens as a regular user, regardless the `sudo`, so the command wouldn't work (even if /etc/modules existed). Redirection will work as expected if logged in as root.