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I'm trying to insert the [.]Ko (Kernel Object) file for the on-board GPIO into my Linux kernel which succeeds using the command insmod < file-name.ko > But when the OS/Device Reboots, the kernel no longer has the mod inserted (checking using lsmod). I have also tried placing it in /lib/modules/4.19.0-14-amd64/kernel/drivers/gpio and running the "sudo update-initramfs -u" to update boot init but didn't work.

Is there any way to insert a kernel module permanently (sustains reboot)?

P.S. I don't want to use "@reboot insmod" in crontab. Using a Debian GNU/Linux 10 (buster)

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You could add your module to the modules.d folder, and it'll get picked up by systemd at boot time.

so make a file called /etc/modules-load.d/<featurename>.conf and let it contain

<modulename>

where is the name of the .ko file without the .ko extension

you can get documentation for modules-load.d by typing man modules-load.d at your terminal

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