[CentOS] set perms on ttyUSB

Wed Jun 13 16:29:07 UTC 2012
James Pearson <james-p at moving-picture.com>

Steve Clark wrote:
> Hello,
> CentOS 6.2.
> I have spent all morning googling and trying different things to get the permissions
> on my ttyUSB0 port set correctly using udev. I am at my wits end. Why is this so convoluted!?
> I would really appreciate it if someone could tell me how to do this.
> The default permissions come up 660 root,dialout. I have tried adding myself
> to group dialout but still get permission denied when I run minicom. The only
> thing that works is sudo -i then chmod 666 /dev/ttyUSB0.

I have a /etc/udev/rules.d/99-local.rules which contains:

KERNEL=="tty[A-Z]*",    GROUP="dialout", MODE="0666"

James Pearson