Welcome to the new location of Alien's Wiki, sharing a single dokuwiki install with the SlackDocs Wiki.
Welcome to Eric Hameleers (Alien BOB)'s Wiki pages.
no way to compare when less than two revisions
Differences
This shows you the differences between two versions of the page.
| Previous revisionNext revision |
| — | slackware:fixes [2006/04/14 14:06] – alien |
|---|
| | ===== Fixes for annoyances in Slackware ===== |
| | |
| | ==== USB scanner and hotplug ==== |
| | |
| | When you have a USB scanner attached to your computer when it boots, and the computer uses //hotplug// to initialize your hardware, you will probably see something similar to the following message: <code> |
| | chown: cannot access `/proc/bus/usb/001/005': No such file or directory |
| | chmod: cannot access `/proc/bus/usb/001/005': No such file or directory |
| | </code> When you plug in your USB scanner //after// the computer has already booted up, the error does not appear and scanning works for non-root users. It is annoying to have to unplug the scanner before booting in order to be able to scan as a non-root user. Here's a fix. |
| | |
| | The problem is due to an error in the ''/etc/hotplug/usb.rc'' script, but that can be repaired easily. Look for the following line in ''/etc/hotplug/usb.rc'' <code> |
| | devbus=$( ( echo -n 000 ; cat $devlink/../../devnum ) | grep -o ...\$ ) |
| | </code> and change that line to <code> |
| | devbus=$( ( echo -n 000`echo $devlink| sed 's/^.*usb\([0-9]\+\)\/.*$/\1/'` ) | grep -o ...\$ ) |
| | </code> |
| | After this change, either reboot the computer or restart hotplug: <code>/etc/rc.d/rc.hotplug restart |
| | </code> Now, the correct permissions and ownership are applied to the device file. |
| | <note tip> Remember to add yourself to the ''scanner'' group if you want to use your scanner as a non-root user! You can use the ''vigr'' command to add your name to the ''scanner'' group, but if you're uncomfortable with directly editing the system files, here is a one-liner to add user 'geek' to group 'scanner' (replace 'geek' with your own account name): <code> |
| | usermod -G $(id -Gn geek | tr ' ' ','),scanner geek |
| | </code> If the group scanner does not exist, simply create it using the command <code>groupadd scanner</code> |
| | </note> |
| | |
| | ---------------- |
| |
