Date: Wed, 8 Feb 2012 14:22:39 -0800 From: Devin Teske <devin.teske@fisglobal.com> To: "'Ronald F. Guilmette'" <rfg@tristatelogic.com>, <freebsd-questions@freebsd.org> Subject: RE: /dev/ulpt0 -- How is it created? Message-ID: <069401cce6b0$2e55cfb0$8b016f10$@fisglobal.com> In-Reply-To: <2068.1328738290@tristatelogic.com> References: <2068.1328738290@tristatelogic.com>
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> -----Original Message-----
> From: owner-freebsd-questions@freebsd.org [mailto:owner-freebsd-
> questions@freebsd.org] On Behalf Of Ronald F. Guilmette
> Sent: Wednesday, February 08, 2012 1:58 PM
> To: freebsd-questions@freebsd.org
> Subject: /dev/ulpt0 -- How is it created?
>
>
> It would appear that the device node /dev/ulpt0 gets (re-)created every
> time I plug my USB printer back in.
>
> Could somebody please kindly tell me what the exact mechanism is that
> causes this device node to be (re-)created upon such events?
>
> I am rather hoping that whatever that mechanism is, that I can diddle
> it somehow so that every time /dev/ulpt0 gets created, it will be
> created with perms set to 0666.
>
This should do the trick (as root):
mkdir -p /etc/devd
cd /etc/devd
touch ulpt.conf
cat >> ulpt.conf << EOF
notify 100 {
match "system" "DEVFS";
match "subsystem" "CDEV";
match "cdev" "ulpt[0-9]";
match "type" "CREATE";
action "/bin/chmod 666 /dev/$cdev";
};
EOF
service devd restart
--
Devin
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