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0
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2answers
13 views

Installation of data card

I am unable to use my data card. How can I use it. Basically I am using a data card which has auto installer option for which whenever I plug it on any device it installs automatically. But in ubuntu ...
0
votes
0answers
26 views

Ubuntu 14.04 adb not working

I just updated my ubuntu to 14.04, and realised that usb debugging doesn't work anymore. adb devices yields nothing related to any device I have connected, but my laptop recognizes it, as i can go ...
1
vote
3answers
50 views

How to get list of all non-removable disk device names (SSD/HDD and SATA/IDE only)?

I need a list of all disk device names (not USB or CD ROM) in the following form DRIVES='sda sdb' so that I can loop through them in a bash script. Ideal solution would not have to install a special ...
0
votes
0answers
25 views

Sound Settings Cannot Use Internal Desktop Speakers After Upgrade to 14.04

Upgraded from Ubuntu 12.04 to 14.04. The sound settings after upgrade only has headphones (and headphones work fine). Under 12.04 I used to access internal desktop speakers through "LFE on Separate ...
0
votes
0answers
22 views

Device not visible under file view

So as of last week everything was good and dandy, but now Ubuntu 14.04 LTS file view will not show any of the devices connected to my computer. I currently have a USB stick, mouse, and kindle plugged ...
1
vote
0answers
123 views

Logical Block number in the “Buffer I/O error”

I was trying to determine a bad PV which was causing the LV to report Buffer I/O error and found this interesting behaviour in the "Buffer I/O error" message. On a Large LV that is mapped to ...
2
votes
0answers
108 views

Ubuntu for Android, Ubuntu for Devices, LinuxonAndroid project for Ubuntu on ARMv7 machine?

I've looked around but can't find any solid solutions or help on this topic. I recently ordered a machine with an ARMv7 CPU (Cortex A-9, <= 1.6GHz, quad core). The machine also has a Mali-400 ...
0
votes
1answer
68 views

How to make my udev rule work

My USB device keeps changing its number in its name /dev/ttyUSB?. I have seen this and this, and tried to do the same with no luck. gauthier@sobel:/etc/udev/rules.d $ udevadm info -a -p $(udevadm ...
0
votes
0answers
30 views

Probing a USB device, likely a CAN bus

I have a USB device that is likely a CAN bus and I'm trying to interact with it. I'm wondering if anyone can offer any advice for probing and discovering what services are available. I suppose a good ...
0
votes
0answers
71 views

Error on new Ubuntu-Update? (Ubuntu Touch)

Some minutes ago, my phone rang and showed, that an update (to Version 179) is available. So I tried to update. After reboot, it asked me, if I want to disable some recovery-mode. But I don't want to ...
0
votes
2answers
60 views

Developing NodeJS for Ubuntu Touch:

I'm new here and interested in developing apps for Ubuntu Touch. Already got the developer version running on a tablet model P3110. What I'd like to know is if it's compatible with NodeJS or if it's ...
0
votes
0answers
135 views

Can't connect to VPN on Ubuntu 14.04

I am new to Ubuntu. I have configured VPN set-up on Ubuntu 14.04 but could not connect. System log shows following errors: Jun 28 13:35:50 rana-laptop kernel: [ 9723.920954] sd 6:0:0:0: [sdb] Test WP ...
1
vote
0answers
28 views

mount dvd player wodim

I got got following error message when I use wodim --devices to know the devices and want to mount my device, What should I do to resolve the error message? Your help and information is great ...
0
votes
1answer
41 views

mount dvd player

I just wanted to DVD player to view video and pictures on DVD and realized that I need mount the device to use it. I want to learn the procedures to mount the device and to use it. Your help and ...
0
votes
0answers
17 views

What deteremines what USB Bus devices get attached to?

lsusb shows that my system has 4 Buses. One has "Linux Foundation 3.0 root hub" as device 1, the rest have "Linux Foundation 2.0 root hub". The system has 10 physical ports. Every single device I ...
0
votes
0answers
137 views

Mounting a read only drive as read write

I have a special bespoke device with a USB interface. When plugging in the device to my laptop - Ubuntu 12.04 it mounts as a read only USB drive - with a file on it. This file is created by the device ...
0
votes
1answer
65 views

How to discover what file in the dev/ directory is related to the SD card reader of my laptop?

how can I discover what file inside dev/ directory is related to my SD card reader of my laptop? I thought that I could execute the following operations: 1) Remove the SD card from the reader 2) ...
0
votes
0answers
55 views

Why I can't acces to an SD card with the laptop SD card reader?

I have ab Ubuntu 12.04 installation on a Virtual Machine and I am finding some problems try to read an SD card inserted into the SD card reader of my laptop. The problem is that if I try to insert ...
4
votes
2answers
159 views

How is entropy gathered for /dev/random in Precise

With a standard install of Ubuntu 12.04 how is the entropy for /dev/random gathered. Is the install smart enough set up any hardware generation available, will it use user based sources like keyboard ...
0
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0answers
123 views

Sony VAIO laptop builtin camera error code 45?

I have a Sony VAIO laptop , SV-F1532C , recently I sent it for a keyboard repair , they had to change the whole plastic of the keyboard , and maybe reinstall the keyboard driver , but now , instead my ...
0
votes
0answers
46 views

Problem with microfone of laptop

I am using dell ınspıron 1420 and I have problem with microfone of this laptop I am using ubuntu 13.10 I cannot manage the microfone of this laptop. for example when I try to make a voice record, the ...
0
votes
1answer
47 views

Can I view the history of connected usb?

I don't know Ubuntu or other linux distribution would record the connected USB information or not. I mean does Ubuntu record the USB information as I plug it into the PC, when I plug it out, does ...
0
votes
1answer
41 views

Mounted Drives To Show In Devices

When I have an extra drive plugged into the computer, it shows in "devices" as shown here with the 250G filesystems: However, once added to /etc/fstab` for automatic mounting, it will no longer ...
3
votes
2answers
224 views

Udev - How to change device group?

By default, all hard drive and usb drive devices belong to group "disk". I want to change usb drives to group "adm". I verified the ID_BUS $ udevadm info -q all -n /dev/sdb | grep ID_BUS E: ...
0
votes
0answers
43 views

Failure to install a printer in Ubuntu 13.10

Am having difficulty installing a Canon Pixma iP4600 printer in 13.10 and cannot print a test page. Printer performs normally in Windows XP. Any suggestions please.
0
votes
0answers
44 views

wireless adapter problem with edubuntu 12.04

I am using Edubuntu 12.04 on HP Probook. My wireless symbol disappeared after installing some software from the software center. I have un-installed them but it not appear and wireless controller of ...
0
votes
2answers
40 views

Where is the information stored in the USB core regarding the class driver and the HCDs, for it to check?

Obvious by the question, does the USB core have an array or something (maybe a linked list) where all the class drivers' information and HCD's information (a name or some kinda number) is stored so ...
0
votes
1answer
55 views

What happens after the core selects mass-storage

When a usb mass-storage device is attached to the host, enumeration of the device happens and the process where an address is given to the device, getting the descriptors occurs, then the core checks ...
0
votes
0answers
44 views

13.10 Fresh install, no sound, no devices listed

Running a brand spankin new install of 13.10 and one of the first things I noticed when I first played around is that there was no sound. So naturally I go to the sound icon at the top of the screen ...
6
votes
1answer
150 views

How to know current status of recording device?

I have a device that records the audio and video using ffmpeg. And I am using Ubuntu 12.04 for that device, but I want to find out if the device is currently recording or if it is in idle state from ...
1
vote
1answer
55 views

PulseAudio GUI images

Can anyone tell me what the symbols mean in the sound manager GUI under the "Output Devices" tab? There is one symbol that is a green rectangle and a blue music note. The other is a dark grey square ...
0
votes
1answer
124 views

ID_FS_LABEL in udev

What is ID_FS_LABEL in udev? Also why doesn't it show up when I execute this command : sudo udevadm info --root --name=/dev/sdb The output that I get for the above command : vineet@vineet:~$ sudo ...
0
votes
0answers
40 views

Find out device from network interface

I need to find out the device address of my inbuilt mobile broadband card, in order to change the PIN of my SIM card with gsmctl. It requires the device parameter: -d device, --device device ...
0
votes
1answer
27 views

directing Ubuntu install to correct device [duplicate]

Sorry to ask what must be an oft-asked question but I am not seeing another thread with the solution. I am trying to install Ubuntu 13.10 for a dual boot setup on a system that has two HDDs on it, one ...
0
votes
0answers
56 views

So many devices

I'm a newbie installing Ubuntu (I am currently running 13.10), and I am having a devices issue. I just got an Acer c720 Chromebook, and initially I decided I would put Bodhi Linux on it, but after ...
0
votes
1answer
33 views

fix block device name in /dev

I have several block volumes in /dev like /dev/sds. These block volumes are located on a SAN device. Every time I restart my Ubuntu server, the device names change. I was wondering if there is any ...
0
votes
1answer
132 views

Disk naming convention in preseed vs manual installation

When I try to install Ubuntu 12.04 onto a Dell PowerEdge R710 via preseed, the auto install first disk is always coming up as /dev/sdc. As per the docs it should be /dev/sda. I looked at ...
0
votes
1answer
2k views

Can't mount HDD /wrong fs type, bad superblock

I have browsed the many other questions related to my question, there seems to be many solutions for others, but not for me, when I try to mount my HDD using: sudo mount /dev/sdd ...
0
votes
0answers
54 views

Ubuntu 13.10 not recognizing bluetooth in combo wlan-bt card?

Running 13.10 on my HP TM2 laptop with an aftermarket Ralink rt3090bc4 wifi/bluetooth combo wlan card. Wifi works out of the box, but Ubuntu isn't even showing a bluetooth device. Please offer ...
0
votes
0answers
125 views

correct sound card, wrong device

I have had a persistent issue for some time, it is with my sound. When i plug external speakers in i get sound, but the speakers on my laptop dont work...well they do for 20 seconds then they go quiet ...
0
votes
0answers
21 views

Change the device order for graphics cards

Ubuntu 13.10. Mining rig. 7ea graphics cards (2 7900's and 5 7800's). Adapter 0 is a 7900, adapter 1-5 shows 7800, adapter 6 shows 7900. How can I make adapter 0 and 1 7900's while 2-6 are 7800's? ...
1
vote
1answer
90 views

why device files do not open with vim or nano

root@heena:/dev/disk/by-label# ls PENDRIVE System\x20Reserved now when I open PENDRIVE using vim or nano, I get an empty file. but I understand that everything is file in linux including ...
-4
votes
1answer
23 views

How do I get the “Installed a medium” prompt to go away?

When I plug my Kindle into the USB port, I get an annoying popup that says: You have just installed a medium. Select how to open kindle and whether to perform this action in the future for other ...
0
votes
0answers
45 views

How to set a default volume setting for each audio/sound device?

Where the desired situation is this: when I change a sound output setting to a specific audio device, the volume is set to my default for this device, instead of a maximum volume. EDIT: Actually I ...
0
votes
0answers
83 views

combo mic/headphone adapter

From my experience, linux is picky about what you plug into it. My laptop doesn't have a mic jack so I am going to be buying a combo, mic/headphone adapter. Before I go out and waste time on buying ...
1
vote
1answer
447 views

Ubuntu Server wont recognize ethernet

I have recently acquired an old computer that i tried to install Ubuntu 12.04.3 server onto, however the system could not be booted into any external medias (usb and cd drives). so i hooked the hard ...
0
votes
1answer
131 views

how to configure a mounted drive to not show up under devices

I have Ubuntu 13.10 installed on a system with three separate drives. The / and swap are on the first (sda), /home is on the second (sdb), and I have /home/username/Backup on the third (sdc). I had ...
0
votes
1answer
169 views

I can not get 'motion' working… seems to ignore changes to .conf file

I am trying to use 'motion' to setup some simple video surveillance in Ubuntu 12.10. I installed motion and edited the /etc/motion/motion.conf file, but it seems like the program is ignoring the ...
0
votes
0answers
162 views

PCI Express slot not being recognized

This has happened to me twice now. The first time I had to reinstall Xubuntu, and now I would like to avoid that and discover the root of the problem. I have two machines, A and B. Both machines ...
0
votes
0answers
66 views

luks dev mapper

Can someone tell me why is blkid returning different results from what I can see in /dev/disk/by-uuid ? AM I missing something obvious or is this simply bug ? root@db01:~# blkid /dev/sda1: ...