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/dev lists block and character devices the kernel has drivers for, but not all the device pseudo-files are necessarily physically present some devices such as network cards don't have nodes in /dev To see what devices are actually present you're better off using something like the lshw command.


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It is going to vary with hardware and my guess is that you need 2 separate sound cards or a sound card / mixer capable of such separation. You can then configure pulseausio to send output to specific locations / cards with pavucontrol , in the playback tab One may need to install pavucontrol , either with apt-get or from the software center. sudo ...


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You might have been affected by this bug. Updating to a newer kernel may solve your issue. Find your Ubuntu installation's architecture. Run uname -m. If it returns i386 or i686, then it's i386 (32-bit); if it returns x86_64 or amd64, then it's amd64 (64-bit). Download the latest mainline stable kernel from here. In this case, you should download the ...


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You better reinstall to fix it easy, or just try installing a device manager from software center and there you will find the usb devices connected. Then click on one, and format it. Then you can simply start using it as usual.I've done it with the usb 3.0 pendrive I had. And now it works perfect.


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Linux SCSI Disk support module = sd_mod Linux SCSI Tape support module = st Linux SCSI CDrom support module = sr_mod Linux SCSI generic support module = sg So, most likely, that stands for SCSI CDrom Source I've noticed that this doesn't fully address the question. As you can see, /dev/cdrom is just a symbolic link to /dev/sr0, which ...


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Reading this, the letter r appears to derive from ROM. No further source is given however.


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Use sakis3g script Sakis3G is a tweaked shell script which is supposed to work out-of-the-box for establishing a 3G connection with any combination of modem or operator. It automatically setups your USB or Bluetooth™ modem, and may even detect operator settings. it may works for you. for sakis3g installation refer**official Github page of sakis3g** see ...


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Simple: ./test.sh > /dev/console


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Your are almost done as long as I know avrdude doesn't need programmer directory and specifying programmer name is sufficient (assume that you already set avr model) but finding usb drive become handy in working with UART and other similar protocol You could do that by go to /dev directory disconnect device use ls to list files and then connect it again ...


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I found the solution. When the VT sensor is connected to the NMR that it gives feed back to, a null modem is used. When I went to connect the VT to my computer, I also used a null modem. After trying every combination, of settings, I tried getting rid of the null modem, and using a regular serial cable. At that point, I was able to send commands, and get ...



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