John Vliouras wrote:
I wonder if this is the right place to ask a question regarding FreeBsd7
and the Handbook.

It is, unless you have a specific "fix" (patch) for the handbook, in which
case you send a PR and/or discuss it on the doc@ list (generally send a PR
is correct; doc@ is a list for use by the doc writers, so it should be pretty
important before we bother them).

I have installed FreeBsd7 both i386 and amd64 architectures in two
macines, one celeron dual core with 1GB, the other amd64x2 3800+ ,and I
have problem with my scanner.


The problem is my scanner a Canon Lide 60. Running #scanimage -L I get
"device `genesys:libusb:/dev/usb1:/dev/ugen0' is a Canon Lide 60 flatbed
scanner" which is right and it shows up with xsane as root (when I am
lucky to use xsane as root in gnome)

Now trying to: "7.6.4 Giving Other Users Access to the Scanner

All previous operations have been done with root privileges. You may
however, need other users to have access to the scanner. The user will
need read and write permissions to the device node used by the scanner.
As an example, our USB scanner uses the device node /dev/uscanner0 which
is owned by the operator group. Adding the user joe to the operator
group will allow him to use the scanner:

# pw groupmod operator -m joe

For more details read the pw(8) manual page. You also have to set the
correct write permissions (0660 or 0664) on the /dev/uscanner0 device
node, by default the operator group can only read the device node. This
is done by adding the following lines to the /etc/devfs.rules file:

add path uscanner0 mode 660

Since your device is "ugen0" instead of "uscanner0", you
might try adjusting the line to fit that.

Then add the following to /etc/rc.conf and reboot the machine:


More information regarding these lines can be found in the devfs(8)
manual page.

Note: Of course, for security reasons, you should think twice before
adding a user to any group, especially the operator group."

I cannot find "/etc/devfs.rules" file, it does not exist. I tried to
make one adding what I was instructed, to no avail. I tried to put
"[system=5]" etc in the "/etc/defaults/devfs.rules" file, which exists,
but it did not work either.

Well, you didn't find /etc/devfs.rules because it's not created by default,
but only is used if additional local configuration is needed (for example,
to change permissions on a scanners /dev/ node).  :-)

Creating the file in /etc/ is the way to go.  Perhaps if you note what
I said above it will work for you this time.  However, IANAE, some it
may not, (YMMV, #include "disclaimer.h" and all that).

I suppose I must be doing something wrong. Please bear in mind that this
is my first time that I am using the command line. I have been able to
thanks to the very easy and instructive FreeBSD's handbook.

It is nice, isn't it?  :-)

Thank you,

John Vliouras

Kevin Kinsey
Don't despise your poor relations, they may become suddenly rich one day.
                -- Josh Billings
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