> [mailto:centos-bounces@xxxxxxxxxx] On Behalf Of Frank Cox
> Sent: Wednesday, December 03, 2008 3:50 AM
> To: centos@xxxxxxxxxx
> Subject: User access to /dev/ttyUSB0
>
> I have been trying to get an EVDO modem to work with Centos
> 5. I can make it
> dial out with wvdial only when I'm the root user. Otherwise
> I get this error:
>
> Cannot open /dev/ttyUSB0: Device or resource busy
>
> I added the user to the uucp group.
>
> crw-rw---- 1 root uucp 188, 0 Dec 3 02:30 /dev/ttyUSB0
> crw-rw---- 1 root uucp 188, 1 Dec 3 02:30 /dev/ttyUSB1
> crw-rw---- 1 root uucp 188, 2 Dec 3 02:30 /dev/ttyUSB2
> crw-rw---- 1 root uucp 188, 3 Dec 3 02:30 /dev/ttyUSB3
>
> What have I missed?
Hmm Lets see here... system-config-network Select (highlight) your PPP
Adapter, then click on Edit. That will be under the Devices Tab. Next Look
under the General Tab. Place a Check in "Allow all Users to enable or
disable the Device".
JohnStanley
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