尝试在 Ubuntu 1804 上安装 PCAN 驱动程序时出现 Modprobe 错误

Question

The error looks as follows.

modprobe: ERROR: could not insert 'pcan': Operation not permitted
modprobe: ERROR: ../libkmod/libkmod-module.c:979 command_do() Error running install command for pcan
modprobe: ERROR: could not insert 'pcan': Operation not permitted

Answer 1

Most probably you are in secure boot enabled. You can confirm this by:

sudo apt-get install mokutil
mokutil --sb-state

If this gives you SecureBoot enabled , then get into the BIOS and disable secure boot of EFI mode.

Answer 2

I solved it by just recompiling peak can and reinstall