[olug] What am I forgetting
CM Miller
cmmiller1973 at yahoo.com
Wed Sep 24 11:51:55 UTC 2003
>> What am I forgetting to change?
>> I have a program that keys my radio through comm. 1
>>ttyS0.
>> It works fine if I am logged on as root or switched
>>to su but otherwise it
>> won't key xmitter.
>> I have changed ownership and group and set all the
>>rights. What am I
>> missing?
>> Thanks
>Tom,
>
>Try running 'setserial /dev/ttyS0' as the non-root
>user you want to run
>your application with and see what you get.
>
>Default:
>
>crw------- 1 root uucp 4, 64 Sep 19
>08:05 /dev/ttyS0
>
>result:
>$ setserial /dev/ttyS0
>/dev/ttyS0: Permission denied
>
>
>Here is what mine looks like after I changed it
>(command: chown jlarsen /dev/ttyS0):
>
>crw------- 1 jlarsen uucp 4, 64 Sep 19
>08:05 /dev/ttyS0
>
>$ setserial /dev/ttyS0
>/dev/ttyS0, UART: 16550A, Port: 0x03f8, IRQ: 4
>
>
>This should allow the given username to access the
>serial port.
I'm having the same problem with my Knoppix laptop.
I run
setserial /dev/ttyS0
And it is then ok.
But, if I reboot, then the problem come back.
Is there any permanet way to fix this?
thanks
-Chris
=====
"There are two major products that come out of Berkeley, CA.: LSD and UNIX.
I don't believe this to be a coincidence"
-Unknown
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