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You can get something by using the dmesg command and filter it to only keep USB events. dmesg | grep usb


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By default only devices mounted in "/media" will be shown in the sidebar. And whan there is no fstab entry those devices will be mounted in "/media". So change /mnt/extra_storage to /media/extra_storage and Nautilus will pick it up. There is also a dconf setting that can be set to prevent mounting:


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In the udevadm info output, you see the E prefix which is used for environment variables. You can match against it with: ENV{ID_BUS}=="..." If you are trying to make just USB devices writable, see this recent question on Unix.SE: Writing raw images safely to USB sticks


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You made a mistake by using ID_BUS to write your udev rule, in that case it's just BUS, try with this one instead: # Enable admin controls on all usb devices. BUS=="usb", GROUP="adm"


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In the Linux kernel, the module loader is woken up when a new device is detected. It's passed a "modalias" string, which identifies the device and looks something like this for USB devices: usb:v058Fp6387d0103dc00dsc00dp00ic08isc06ip50in00 You can find your device modalias (and the HCD driver) using the following command: udevadm info --export-db This ...


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lsusb FILES /var/lib/usbutils/usb.ids A list of all known USB ID’s (vendors, products, classes, subclasses and protocols). That file is only present if there are USB devices. Here is the full on-line list.


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Check your Virtual Media settings in iDRAC6. I had Virtual Media attached with Floppy Emulation checked on one of my R710's that kept displacing the SCSI disk ID's from sda to sdc. Detaching and unchecking fixed it and I was able to preseed without issue (with sda specified in partman). You will also see in the system BIOS an extra Virtual Floppy and ...


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Once usb-storage attaches the device to a given interface, the kernel also starts the SCSI emulation process if applicable, defining sg and sd names (like /dev/sdb that is most important for us). To check which device corresponds to scsi6 install the sg3-utils package: sudo apt-get install sg3-utils And type the following command: sudo sg_scan You'll ...


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You can use lsof -t /dev/video0. It will return the process which has the webcam (the first webcam should default to /dev/video0 but if you have more then one you may have a /dev/video1, /dev/video2 and so on). On idle I got nothing: sylvain@sylvain-ThinkPad-T430s:~$ lsof -t /dev/video0 If I start a Google Hangout for example: ...


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The green rectangle indicates 'hardware' and the music note indicates 'audio', so together they indicate your sound card. For your headset, the black square wit the no entry sign means there is no image available to display, meaning Linux doesn't have a graphic to represent that headset. They are just symbols to make things look nice


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Ok, found an answer. FS LABEL stands for filesystem label. FS LABEL didn't show up for the above command because the DEVTYPE for which it is displayed is partition ! FS LABEL correctly displays the volume label which I verified by executing the above command for /dev/sdb1.


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IN the end I just took the inelegant approach of disconnecting the 2nd HDD, and redoing the Ubuntu installation on the sole primary drive. This time it prompted me as described in the install steps to allocate space between Windows and Ubuntu. I reconnected the 2nd drive and on reboot, I got the Dual Boot prompt choices. There must be a more elegant approach ...



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