in reply to Re: Problem with Permission
in thread Problem with Permission

hi thx for ur reply..i used the command...i got the following...... open("/dev/ttyACM0", O_RDWR|O_NOCTTY|O_NONBLOCK|O_LARGEFILE) = -1 EACCES (Permission denied)

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Re^3: Problem with Permission
by almut (Canon) on Apr 23, 2010 at 11:36 UTC

    ...presumably the device that interfaces to the modem.  What's its group and the permissions? Maybe you can arrange for user to be in the appropriate group that would have write access?