![]() A udev rule simply matches certain properties of a device after it is connected and performs certain actions on it, like changing the file permissions. The more sensible solution is to add a udev rule for the device. $ sudo chmod 666 /dev/bus/usb/003/018 Permanent Solution The downside of this is that you have to repeat this procedure every time you reconnect the device. The quick and dirty solution is to simply change the device permissions by hand. By using the command lsusb you can find out the bus and device id of your USBasp device: $ lsusbīus 003 Device 018: ID 16c0:05dc Van Ooijen Technische Informatica shared ID for use with libusbĬrw-rw-r- 1 root root 189, 273 23. The problem is that the device permissions by default only allow root to write to the device. If you try to use the popular, open-hardware ISP programmer USBasp in Linux as a regular non-privileged user, you get an error message like this: avrdude: Warning: cannot open USB device: Permission deniedĪvrdude: error: could not find USB device with vid=0x16c0 pid=0x5dc vendor='product='USBasp' Quick and Dirty Fix How to fix device permissions for the USBasp programmer Author Andreas Rohner Date Sun Category Electronics How to fix device permissions for the USBasp programmer My Notebook ![]()
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