Re: [ts-7000] usb/serial port permissions

[Clark Dunson <>]

putting chmod into /etc/rc.local sometimes works.

On May 17, 2011, at 3:46 PM, mrnelson wrote:

 

I'm playing with the TS-7553, using the full Lenny Linux. I have a program which reads/writes from /dev/ttyUSB0. Works great as root, but not when I try to make queries from apache, because the default permissions of /dev/ttyUSB0 are

crw-rw---- 1 root dialout 188, 0 May 17 22:01 /dev/ttyUSB0

What's the best way to get access to this? I can chmod it to 666, but as soon as I reboot it comes back as 660. Should I be trying to figure out udev (this looks complicated to say the least) or perhaps add nobody (what the php script likely runs under from apache) as a member of the dialout group (that seems, er, dangerous).

Is there another better way?

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