Questions tagged [devices]
The devices tag has no usage guidance.
285
questions
5
votes
2answers
333 views
What is the difference between Filesystem and “Extended Partition” in Disks?
I am struggling to understand the output from the "Disks" program. Here I see two different partitions, both pointing to the same disk space.
One is devices /dev/sda3 (highlighted) and the other is /...
1
vote
0answers
16 views
Added RAM memory is not recognized : dmidecode shows no added new RAM info and free command does not increase the free size
Environment Info
Ubuntu ver : Ubuntu 18.04.3 LTS
Mother Board : SuperMicro C9X299-PG300F
Initial RAM size : Total 16GB, one 16GB card at one slot
RAM type : MTA16ATF2G64AZ-2G6E1
Current status
I ...
0
votes
0answers
26 views
Missing ipmi Device (Remote Access Card) / ipmitool Failue: Could not open device at /dev/ipmi0 … No such file or directory
I recently bought second-hand a HP Proliant N36L Microserver, and I'm having trouble configuring it for remote access on Ubuntu Server 20.04 LTS.
It came with a HP Remote Access card, but when I try ...
1
vote
1answer
22 views
What's the difference between /dev/sg0 and /dev/sr0?
$ uname -srvmpio
Linux 5.4.0-31-generic #35-Ubuntu SMP Thu May 7 20:20:34 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
$ sudo cdrecord -inq
Device was not specified. Trying to find an appropriate drive...
...
0
votes
0answers
42 views
Ubuntu 20.04 - Audio Output Device Disappeared - no DispayPort/HDMI (Built in) Available
I'm using Ubuntu 20.04 on a multi boot system.
I have a Lenovo m93p Tiny attached to a TV via the DisplayPort adapted to an HDMI connection to a Samsung TV.
The sound works fine on all the other ...
0
votes
0answers
11 views
Unable to connect second monitor on ubuntu 20.4
I have tried the steps:
Open the Activities overview and start typing Settings.
Click on Settings.
Click Devices in the sidebar.
Click Displays in the sidebar to open the panel.
In the display ...
0
votes
0answers
32 views
How can I use a hardware device that is “detected”?
I have the following piece of hardware in my device (ASUS T102HA 2in1 tablet/laptop):
https://linux-hardware.org/index.php?id=pci:8086-22b8-1043-1400
The page says that it is detected by latest ...
1
vote
3answers
154 views
How can I prevent a third party software to gather data from my device?
For work purposes I have to use a not open source software that collects and sends to the producer MAC address, other device IDs and other hardware datas (from its privacy policy, which is not very ...
0
votes
0answers
18 views
What Linux utility enables knowing devise is running or shut?
I'm seeking any solution to detect hardware instances which are in or out of operation (till restart) in Linux distro like Ubuntu 18.04. Essentially, what terminal-built or loadable utility serves to ...
0
votes
1answer
96 views
GPIO for Raspberry PI GPIO Group
I grabbed the image for Ubuntu on Raspberry PI over here https://ubuntu.com/download/raspberry-pi loaded a L928N python program via a virtualenv as the ubuntu user and got an error. Did some digging ...
0
votes
2answers
34 views
Ubuntu wierd sound of connected device
On my fresh Ubuntu 18.04 I keep hearing sound that usually appears while connecting usb stick or something. Like something was connecting and disconnecting all the time, every few minutes.
What do I ...
1
vote
0answers
294 views
Using DSLR camera as a webcam
I am trying to use my Canon DSLR as a webcam, on an Ubuntu machine. The camera does not show up as /dev/video*.
The camera shows up in hwinfo --usb:
19: USB 00.0: 10f01 WebCam
[Created at usb.122]
...
1
vote
0answers
27 views
SSD not found anymore (not listed by parted, nor lsblk etc, but bus found in lshw)
EDIT: I think the SSD is juste dead, I bought a new one, all is fine, I'll see if I can get the data back (unlikely imo)
I have a dual-boot Windows 10 / Ubuntu 18.04 on my laptop (HP Omen 15-5000 NF) ...
1
vote
0answers
32 views
Webcam Renaming
I'm running Ubuntu 18 and I've got a dual webcam setup for Zoom.
They're both Logitech c615 cameras and the fact that the system is giving them the same default name is confusing.
I'd like to change ...
1
vote
1answer
76 views
Mouse and Touchpad Glitch
For Ubuntu 19.10 Users:
When I go into Settings --> Devices and click on "Mouse and Touchpad" the window starts to flicker and glitch out. It is toggling between the two menu states shown in the ...
1
vote
1answer
37 views
How to understand which device is which in the /dev directory
I am new in UNIX/Linux programming. I need a clear reference of each file in /dev directory and which file refers to which devices. I have read many posts but its not only confusing but also sharing ...
1
vote
0answers
49 views
External USB wifi adapter disappeared after last kernel upgrade - Ubuntu 18.04 [duplicate]
So, I just received the last kernel upgrade in my Ubuntu 18.04 and, when I boot, my USB wifi adapter won't start (the light that indicates it's on remains dark). It's not even discoverable.
It works ...
0
votes
0answers
32 views
How to list device activity
I want to list or display all the activity generated by an external device. For example, all that I copied to and from it with detailed information: size, places, etc.
0
votes
1answer
40 views
How to disable a mobile broadband device
I am using a dell latitude E5250 which comes with support for a SIM card.
On bootup I get a message "The mobile broadband device cdc-wdm0 requires a SIM PUK before it can be used"
I dont need this and ...
0
votes
0answers
75 views
Can't find /dev/video on MacBook
I installed ubuntu 19.10 on my MacBook and tried to use the integrated webcam of MacBook, but when using ls /dev/video* I can't get any device. On my other laptop I can get /dev/video0 which is the ...
0
votes
1answer
61 views
How do I list all devices and learn how to enable/disable them in Ubuntu 19.10?
I'm looking for a way to see all the devices (e.g. touchpad etc.) and to enable/disable them.
0
votes
1answer
93 views
18.04: USB optical drive not recognized on Gigabyte Z390
I have just installed 18.04 on a custom built new htpc with a Gigabyte Aorus Z390 I mainboard and would like to connect my external cd-drive via a USB type-C port. My optical drive only has USB-output ...
0
votes
1answer
47 views
Ubuntu Server 18.04 Downloading issue from bootable USB
Recently I got a server machine I wanted to use for video game servers and I got Ubuntu server 18.04 bootable USB. It launched into the set up screen starting with language and keyboard. Then to ...
1
vote
0answers
30 views
what device might control an JAE 50 pin hard drive drive coil wipe function?
I have a CF-28 Panasonic toughbook. it has a coil around the hard drive that can allegedly wipe the (mechanical) disk in the event I so choose.
It is attached on pins 1,2 of the JAE50 pin header, ...
1
vote
0answers
280 views
Help with Ubuntu 18.04 and GoPro Hero 6 Black
When I connect my camera to my PC, on the camera screen, a USB Connected message appears, but I can't find it on Nautilus like a USB stick.
If I put the microSD on the PC, I can access it from ...
2
votes
0answers
527 views
Identify devices from lsof
We have certain Ubuntu (18.04) servers operating .NET Core apps on Kestrel. Recently the apps and OSes have been hanging, requiring entire VM restart.
What we found was the app had way too many file ...
0
votes
0answers
78 views
Can't connect bluetooth devices
Looking to add a bluetooth mouse and a bluetooth keyboard. Mouse is absolutely fine on it's own. Both together wont work even if they are both status is connected. Keyboard on it's own will turn the ...
1
vote
0answers
47 views
Devices on Konqueror
As it happens in Konqueror 5.0.97 there is no sidebar which was earlier toggled by F9, which is sad, because it was very useful.
Still, is it possible to view the attached devices (harddrive, usb) as ...
1
vote
0answers
239 views
what is the device name of the microphone in ubuntu?
I want to redirect audio from a source like vlc media player to the microphone device.I would like to do it via the command-line, rather than using a GUI based software. what device should I be using?
...
2
votes
1answer
122 views
How can I clean up devices such as `media*` or `tty*` under `/dev` properly from terminal?
I am running Ubuntu 18.04.2 LTS on a DELL XPS13 9343 and seem to be suffering from a kernel bug (reference: https://www.spinics.net/lists/linux-media/msg135812.html), which leads to the problem that I ...
0
votes
0answers
2k views
Device /dev/sdb excluded by a filter Ubuntu 18.04.02 Server Edition (just installed Ubuntu)
In the PC with two disks I just installed Ubuntu 18.04.02 Server Edition in one of them.
marco@pc:$ sudo pvdisplay
-- Physical volume ---
PV Name /dev/sda3
VG Name ubuntu-vg
PV Size ...
0
votes
0answers
39 views
Ubuntu 18.04.2 minimal armhf slow to boot
I have a custom board using an IMX6 processor and have a minimal Ubuntu 18.04.2 installed, I am experiencing slow boot times ~30s (~5s kernel, rest is userspace).
From what I can tell a lot of the ...
0
votes
0answers
27 views
Bluetooth joystick becomes unresponsive
I'm using a decent Bluetooth joystick to control an electric vehicle. I was using a Windows PC and a microcontroller recently and I had no problem with this joystick. I've decided to go with ROS (...
0
votes
0answers
34 views
How to disconnect an internal (“fixed”) USB device on Ubuntu 18.04?
When I type lsusb I see a list of connected usb devices. One of them is 0955:7002 - "Nvidia Stereo Controller", which causes me a lot of problems. I want to remove the device but I really don't ...
0
votes
0answers
41 views
Main disk letter suddenly changed and extraneous disk devices appeared
For some reason, my main disk, which used to be /dev/sda, is suddenly now /dev/sde. There are no other disks attached to the computer. Looking into the /dev directory, there seem to be four extraneous ...
5
votes
1answer
768 views
How to disable “Select Audio Device” pop-up on Ubuntu 18.04
every time I plugged my headphone in my laptop I get this annoying pop-up that blocks the entire desktop until I select an option. It's very annoying. How can I disable it? I cannot believe that in ...
1
vote
0answers
131 views
Want to know why Webcam can't be captured by Cheese while VLC picks it up
I installed Ubuntu 18.04 LTS as a guest on OSX VirtualBox, and enabled the builtin webcam on Macbook.
While I thought the webcam wasn't working because sudo cheese command wasn't picking up anything ...
3
votes
1answer
282 views
How to see memory's manufacture date?
I bought new memory for my Thinkpad.
Some Windows softwares can tell me the memory's manufacturer and date. Is there any Linux software that can do that?
dmidecode -t memory and lshw -class memory ...
0
votes
2answers
842 views
Ubuntu 18.04 editing netplan in nano “etc/netplan /01-netcfg.yaml line 1 column 9: mapping values are not allowed in this context”
So, quite simply, I'm beyond frustrated right now. I bought this PC two days ago from a guy who has XFCE downloaded on it and had Wicd as the network utility, NOT NetworkManager. I've had issues ...
0
votes
1answer
37 views
Destroyed my drivers after using my Ubuntu drive in Hyper-V (need to restore all device drivers)
Yeah I know really stupid.
I suspected booting my Ubuntu 18.04 drive inside a Hyper-V VM might add some additional drivers but I didn't suspect it would remove any.
Now that I have removed the drive ...
0
votes
1answer
991 views
Logitech MX Anywhere 2 mouse won't stay connected
If my MX Anywhere 2 bluetooth mouse isn't moved for around 5-15 seconds, it will disconnect and take 5-15 seconds to reconnect after it is physically moved. Sometimes after it reconnects an "Unknown" ...
0
votes
1answer
230 views
struct file object of a file
Whenever a file is created in kernel space, struct file object instantiated. Type of that file does not matter. For device nodes, standard text files etc, a struct file object is created when a file ...
1
vote
1answer
129 views
How to convert “sensor” names to a /sys path?
Programs such as sensor list sensors by name, such as package ID 0 and core 0. However, /etc/fancontrol uses things like /sys/device/.... How do I figure out the path from the name?
2
votes
2answers
105 views
is there USB support for an Agilent 33220A function generator?
I have an Agilent 33220A Function generator, it has USB and Network capability. I would like to control the device using the USB cable forgoing more complex and insecure networking options. Is there ...
3
votes
1answer
8k views
USB-Serial adaptor doesn't create /dev/ttyUSB path to address device
I'm using Ubuntu 18.10 x64 on my laptop and 17.10 x64 on another machine. The info below comes from the 18.10 laptop, but both have the same issue.
I've attached a USB-to-Serial board (a Chinese TI ...
1
vote
2answers
850 views
How to change root directory from different device (e.g. /dev/sdb1 to /dev/sda2)
I have an Ubuntu when booted it has the root system is
stored under /dev/sdb1, as can be shown with df command:
the fdisk -l looks like this:
My question is how can I change the root system from /...
2
votes
1answer
83 views
What does `fd01h/64769d` mean in Device and `142368` in Inode?
When I checked the state of a file:
[root@iz2ze9wve43n2nyuvmsfx5z ~]# stat test.py
File: ‘test.py’
Size: 33 Blocks: 8 IO Block: 4096 regular file
Device: fd01h/64769d Inode:...
2
votes
1answer
4k views
Drivers for rx vega m GL?
I have a hp spectre with an intel® Core™ i7-8705G CPU and an AMD radeon RX Vega GL discrete graphics card. I can't for the life of me figure out how to switch to my discrete card. My system doesn't ...
2
votes
2answers
325 views
Create custom mount/unmount entry for nemo/nautilus “devices”
sshfs mounts are shown under "devices" in Nemo and Nautilus, together with this eject/unmount button.
The eject/unmount button never works. When I go to the terminal and sshfs something into my home ...
0
votes
2answers
1k views
Is `/dev/shm` universal in Linux and Ubuntu?
For FIFO pipe speed I'm considering placing it inside the RAM disk called /dev/shm. I see there are some files there already:
$ ll /dev/shm
total 1536
drwxrwxrwt 2 root root 280 Oct 2 17:...
