You can verify which group /dev/ttyS0 belongs to by running: ls -l /dev/ttyS0

Add yourself to whichever group it belongs. You will also have to logout and login again to refresh your permissions. On May 24, 2016 7:47 PM, "Jack Schlachter" km4tdj@gmail.com wrote:

Hi - I'm the one trying to use chirp with my Luiton radio. Still same problem as per last post. So I had an idea. I was reading about the Linux part on danplanet and decided to pull out my Linux machine and give my Baofeng a try and maybe if I can get that to work it would work on my Luiton. So I loaded chirp on Linux as per instructions and everything went fine. Plugged my radio in and got : An error has occurred; could not open port /dev/ttyS0: [Errno13] Permission denied:'/dev/ttyS0' So I read further on your site and ran "sudo usermod -aG dialout username" replacing username with mine, closed chirp reopened and tried again with same results. I have to admit I'm not real Linux savvy. I don't really understand how you pick a port. When I click the down arrow there's a whole list of /dev/ttyS? so I took the default chirp pulled up which is obviously /dev/ttyS0 How do I find out which port my cable is on? thanks again, Jack

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