Just as a warning some systems at boot check the ownership/permissions of devices in /dev and correct the "problem children" so all of a sudden after a reboot this may not work again, you might be pre-emptive, try rebooting (or take a walk through the init process) and if this is the case adding something in rc.local or the corresponding file on your system.
http://danconia.org Geraint Jones wrote: > On Wednesday 25 September 2002 10:46 am, fliptop wrote: > >>On Wed, 25 Sep 2002 at 10:00, Geraint Jones opined: >> >>GJ:On Tuesday 24 September 2002 3:41 pm, fliptop wrote: >>GJ:> On Tue, 24 Sep 2002 at 13:24, Geraint Jones opined: >>GJ:> >>GJ:> GJ:I'm trying to get the output from a barcode scanner into my CGI >>script. GJ:> What I GJ:would like to see is the barcode going straight into >>a text box GJ:> in my GJ:browser. I am using Device::SerialPort to read the >>output which GJ:> works fine as GJ:a normal Perl script, but I don't know >>how to allow Perl GJ:> CGI scripts to GJ:access my /dev/ttyS1 port. Any >>help on this matter would GJ:> be greatly GJ:appreciated. >>GJ:> >>GJ:> you may have a permission problem. does the user your webserver runs >>as GJ:> have permission to read from /dev/ttyS1? >>GJ: >>GJ:Probably not. How do I go about permitting Apache to see ttyS1? >> >>you just use chown like any regular file or directory. if your webserver >>runs as nobody, for example, you'd type (as root): >> >>chown nobody:uucp /dev/ttyS1 >> >>and that will give nobody access to read from the ttyS1 port. of course, >>i'm assuming your ports are owned by uucp. > > > Thanks, that got it. -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
