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Questions tagged [devices]

The tag has no usage guidance.

0
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29 views

Cannot boot into Ubuntu after installing another one alongside

I had a quite unstable Ubuntu 17.10 with different kind of problems, so I installed a new Ubuntu 18.04 alongside, but I can't boot into my old Ubuntu 17.10 anymore. Here are the photos of the booting ...
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0answers
7 views

Apple devices couldn't be connected or even detected, how can I solve this please?

I'm trying to do a backup of my apple device, but it won't go ahead. I'm using Tunesviewer, but it does not even recognize my Apple devices. Could someone please help me?
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0answers
19 views

Ubuntu 18.04 - re-enabling disabled audio device which does not appear in Sound Settings

Back in version 16.04, I disabled my laptop's internal speakers at some software level. I have not interfered with the hardware in any way and I am highly confident that they are still working. The ...
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0answers
34 views

Does Ubuntu run well Laptop/Tablet Hybrid combos? [duplicate]

I have a Surface like Windows 10 Laptop/Tablet hybrid, and was curious if out of the box things like my touch screen and detachable keyboard, and on board cameras. I want to use 18.04 LTS
2
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2answers
35 views

Is a device broken if it fails to show up under lsusb?

I purchased a usb wifi adapter that doesn't work or show up in lsusb. Here are the possible reasons I can think of why it wouldn't show up in lsusb: The usb port is broken The device is broken There'...
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0answers
51 views

How to virtualize a windows device (/dev/sda2)

i'm using a dualboot windows/ubuntu 16.04, is there a way while i'm on the linux OS, to mount the windows (/dev/sda2) device and then use some kind of virtualization app to run it from my linux? ...
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0answers
17 views

Changing the name of my solid state drive

I have a new machine, running 18.04 and the drive has the excruciating name nvme0n1 and partitions I've created are named, eg.,/dev/nvnme0n1p6. This is completely impossible to remember. In the ...
1
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1answer
82 views

SD Card is not listed in fdisk but opens in files

I recently formatted my SD card after installing android image for raspberry pi on it. After formatting the SD card is not getting listed in fdisk. I did dmesg and gave me the following result: [...
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0answers
91 views

How to create a udev rule for two devices with the same manufacturer id, product id, and serial number?

I have two lidars. And in my code I need to provide the lidar port: ttyUSB0/ttyUSB1 etc... I have this udev rule. (/etc/udev/rules.d/rplidar.rules) rplidar.rules # set the udev rule , make the ...
0
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1answer
32 views

Where can I find the /dev/st tape drivers on Ubuntu?

Working on setting up Amazon VTL on Ubuntu, and I'm missing one step. iscsiadm --mode node --targetname iqn.1997-05.com.amazon:... ...command creates /dev/sg0 and not /dev/st* as I would like. I'...
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0answers
56 views

No touchpad-tab showing up in the mouse settings

I've bought a touchpad for my desktop, because I prefer using it instead of a mouse for some tasks. Unfortunately, the touchpad doesn't work like the one built into my laptop (there is no edge ...
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0answers
20 views

Make ubuntu Remember last used Audio device

I use a usb mic which can also be used as sound device, the problem is everytime I reset my pc, ubuntu puts the mic as default sound device, I have to manually set internal speakers as audio device ...
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1answer
57 views

how can i access files/folders from other partitions and devices(flash drive) using ubuntu terminal? [closed]

What i want is to use terminal to access my entire hard drive and other devices using terminal. this is because i store most of my data in other partitions other than the home directory. i want to ...
1
vote
1answer
235 views

WSL - /dev/loop0 workaround

I am trying to setup Bochs as shown in this tutorial. However, I'm using WSL and there is no loop0 device. # bochsrc.txt # megs: 32 romimage: file=/usr/share/bochs/BIOS-bochs-latest, ...
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0answers
156 views

Error, cannot bind to the specified serial port /dev/ttyUSB0

I am trying to run a launch file during boot up using systemd. The launch file launches rplidar. When I directly run the .sh file, it's launching the lidar. $ systemctl status rosCore.service ● ...
3
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1answer
709 views

writing udev rule for USB device

I have 3 USB to serial devices connected via an USB hub to the PC.They are assigned device paths (ie; /dev/ttyUSB0 or /dev/ttyUSB1 or /dev/ttyUSB2 ) based on the order of plugging in. My application ...
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0answers
10 views

Kernel Module Insertion

I have an old custom linux kernel module was tested on CentOS with kernel 2.6.24.7, now i want to run it again on new OS and also need to migrate for the Latest Ubuntu system . I have read already ...
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0answers
15 views

Ubuntu stoped detecting audio devices on main user acount

I've only used Ubuntu for a couple months now and I kept encountering a problem where ubuntu would stop detecting audio devices seemingly at random after coming back from sleepmode or restarting. In ...
0
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1answer
246 views

hp printer install, start a new, how

oke so i have new HP printer, this is what happend (so far) HPLIP 3.17.7 was pre-installed tried to install 3.17.11, but there were dependency issues so i left it for what is was as it wasn't ...
2
votes
1answer
59 views

How to find out which disk is “sd 0:4:0:0”

I run Ubuntu on a 32GB USB jump drive. Started recently, I kept getting "sd 0:4:0:0: rejecting I/O to offline device". How do I find out if this is the internal hard drive or the external USB drive?
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0answers
121 views

What does TIOCGSERIAL is not supported mean?

Im writing a program, that sends data to a bluetooth device. The device is attached to my computer via /dev/rfcomm1. After numerous issues, I read the dmesg log, and saw: TIOCGSERIAL is not supported ...
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1answer
36 views

How to switch audio output to specific devices per application using command line?

pacmd list-clients shows the applications, pacmd list-sinks shows the devices, the GUI tool pavucontrol can assign applications to the devices. What is the command for assigning the devices? For ...
0
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1answer
59 views

pvcreate: WARNING!

I'm currently messing around creating lvm's on an external drive and think I may of deleted something by mistake! Now when I run "pvcreate /dev/sdc1" to create my physical volume i get this message ...
5
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1answer
421 views

relationship between device name and mount point

Even though we have a device called e.g. /dev/sdb1 the mount point for the device is different for e.g. /media/user/sth. Now I'm confused and curious to know what the relationship between the actual ...
0
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1answer
1k views

How can I install mmc-utils on Ubuntu 14.04?

According to this article mmc-utils may be installed on Ubuntu 17.04 with sudo apt-get update sudo apt-get install mmc-utils But that doesn't work on Ubuntu 14.04 for me. Is there a straightforward ...
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0answers
11 views

Get the name of the last created device

Say I just inserted a thumbdrive. It appears on /dev as, for example /dev/sdb. I want to be able to get this filename programatically from bash. Also, if possible, it would be nice to be able to get ...
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0answers
34 views

Access usbtmc without /dev/usbtmcX

I'd like do: echo 'cmd' >> /dev/usbtmc0 but instead of referencing /dev/usbtmc0, I'd like to reference something that has the usb product-id and vendor-id. e.g. echo 'cmd' >> /dev/0x1234:0x5678 ...
2
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0answers
37 views

Random/continuous playing of device-removed and device-added sounds

I'd like to ask a question about a weird problem I have been experiencing on my 17.10 install. Basically, every 15s-3min a quick succession of what appears to be /usr/share/sounds/freedesktop/stereo/...
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0answers
26 views

Editing and recompiling the Ubuntu kernel data structures

I am trying to add a new block device operation to struct block_device_operations { ... int (*open) (struct block_device *, fmode_t); ... }; Which is defined in Linux-src/include/linux/blkdev....
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0answers
269 views

ubuntu 17.10 wacom CTF-420 not visible in devices

My Wacom tablet model CTF-420 works ok in ubuntu 17.10 but is not visible in Devices either as a tablet or stylus so I can't configure it to just work on one monitor. Is this a known problem or is ...
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0answers
784 views

Unhandled lockdown error (-3)

Trying to read data in iphone 6 using ubuntu 17.04 32bit installed on a dell mini. I earlier got a message that the iphone was not a "trusted" device. How do I make it trusted. I am a linux newbie!
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2answers
481 views

Wireless card not detected by lspci, lsusb, dmesg

I have a Haier HV102H laptop-transformer with Windows 10 and Ubuntu 16.04 on board, but there is a problem with the WiFi adapter (Broadcom 802.11n Wireless SDIO Adapter). There is no device visible in ...
0
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1answer
89 views

I accentally removed a loopback device

I accendentally removed /dev/loop2 and i need it for a "loopback-floppy" but everytime i try to do ANYTHING it just says: "mount: image.flp: failed to setup loop device: wrong ioctl() for device" and ...
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0answers
36 views

Any Windows Device Manager equivalents?

My laptop (asus x511mav) apparently has a non-functional battery as of a few months ago. I installed Ubuntu on it yesterday because it was my secondary computer but I love Ubuntu and would like to ...
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0answers
323 views

Multiple bluetooth adapters connected with specific bluetooth devices

I have connected two bluetooth adapters into ubuntu 14.04 (hci0 and hci1) adapters connected and I have two different bluetooth devices devices connected here I'm trying to connect one adapter ...
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0answers
340 views

Device Manager for 16.04

I did see similar threads dated 2012 and 2014. Since it's been a long time since, is there any GUI based Device Manager available for use with 16.04 ? It would be great to have a list of unknown ...
0
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1answer
485 views

Dell Latitude E5570 overheats on a single spot when running Ubuntu, not with Windows

My Dell starts heating up on the marked spot (see photo below) immediately after booting any Linux distro I tried (Ubuntu 16.04, Ubuntu 14.04, Mint 18.2, Arch). This spot is cool on Windows. Also, the ...
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0answers
164 views

no /dev mount for USB device

After a recent dist-upgrade, one of the USB device (Hauppauge WinTV PVR USB2) will not connect completely. That is, whereas previously it connected fine, after the update (4.4.0-89, then 4.4.0.-91), ...
3
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2answers
534 views

Is changing a block device's ownership/permissions equivalent to changing a filesystem's ownrshp/perms? Is this something one would want to do?

I was trying to answer this question: Cannot fsck a disk due to no r/w access. To which I replied: The answer is implied in fsck's output. Change ownsership with: # chown username /dev/sdb5 $ ...
2
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2answers
415 views

Mouse pointer moves too fast, xinput solves the problem temporarily

On all Ubuntu systems I set mouse pointer speed to the slowest, but it still moves too fast. (Now I use Ubuntu 16.04.) I did some research and found out that this command solves my problem: xinput -...
0
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1answer
170 views

I cannot write to /dev/sda6 [duplicate]

I have Ubuntu 17.04 on my Asus laptop. After login I cannot write anything to /dev/sda6 It tells me that the disk is in read-only mode: How can I fix it?
1
vote
1answer
103 views

Unformatted USB stick, access from console?

When I install an unformatted (technically it is formatted in a weird file system from an embedded system) USB stick into my Ubuntu 16.04 LTS I receive the following in /var/log/syslog: Jun 22 22:22:...
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0answers
142 views

HDD0 initialisation error

Issue: initialisation error. computer: lenovo thinkpad, x201 OS: ubuntu 18 When I turn on my computer, this is the message I get: ERROR 2100: HDD0 (Hard Disk drive) initialization error (2) ...
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2answers
198 views

What is causing my logs to flood with low-speed USB device notices?

I have a box running Ubuntu 14.04 with all patches installed. Suddenly about a week ago my logs started getting flooded with hundreds of messages a minute that look like the following: Jun 18 11:28:...
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2answers
439 views

UDEV rules, “NAME” variable not working

I've written a simple udev rule to help me understand the concept #SUBSYSTEM=="block", ATTR{size}=="3913727", SYMLINK="AlphaUSB" SUBSYSTEM=="block", ATTR{size}=="3913727", NAME="HelloUSB" The ...
0
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1answer
70 views

Possible Large Can of Worms With Ubuntu 16.04

I'm using Ubuntu 16.04 and recently had a problem where my computer wouldn't register any device, integrated keyboard or mouse or otherwise, as soon as the login screen loaded. Once it loaded, my ...
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0answers
399 views

Creating fake/virtual character device with loopback

According to this post How to Create Virtual Block Devices I have tried to create a loopback device by changing mknod b parameter to c for a character device , but when I repeat the following for a ...
0
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1answer
364 views

Writing to disk using `pv` seems to be fast at first and slow at the end

I was writing a kubuntu image to my usb stick using this command pv /home/manuel/Downloads/torrents/kubuntu-16.10-desktop-amd64.iso > /dev/sdb However, the output progress bar of pv was half-...
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1answer
214 views

Mounted disk confusion and how to restore order

Ok so I am not sure what went wrong I have 3 hard disks an 120GB SSD that ubuntu runs on a 500GBHDD and a 480GB SSD both of them having no significant task other than to hold videos and other data. ...
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1answer
306 views

simple udev rule not working

On Ubuntu Server 16.04.1 I want to know which tape devices udev is detecting.. $ cat /etc/udev/rules.d/90-persistent-tape4.rules SUBSYSTEM="scsi_tape", RUN+="/usr/local/bin/testudev" The script: $ ...