Problem : I have an HP xw8200 workstation running linux with two small, fast SCSI drives hooked up to the […]
How can I know what device the file in /dev is mapped to
Problem : I have installed a new device in linux. If I enter lspci, i can see the information of […]
Get device info for dev file
Problem : This is a very simply question. I have 3 potential camera devices in /dev/: video0, video1 and video2. […]
Why does `cat /dev/urandom` break your terminal?
Problem : In reference to this question: https://serverfault.com/questions/534449 How does cat /dev/urandom make some terminal emulators go wonky? Solution : […]
Is there a device file in the /dev directory that represents the wireless adapter?
Problem : I’ve been exploring the /dev directory and am curious are all the devices mapped to those files there? […]
Running ‘cat /dev/urandom > /dev/audio’ does nothing
Problem : I am trying to have some fun by playing some random audio using /dev/audio under Ubuntu 17.10. The […]
Linux: Find out /dev description for a device
Problem : I have a microphone that I connected via USB. When I do dmesg it shows [37830.040274] usb 5-1: […]
What is /dev/mem?
Problem : Presumably it’s somehow related to memory? What would sudo cat /dev/urandom > /dev/mem do? Trash all RAM? All […]
Micro SD impossible to modify (write or format)
Problem : Recently i had problems with my SD card used for my android device, basically i cannot modify it […]
How is by-id created on Linux?
Problem : Sticking a USB-microcontroller on the port (similar to Arduino) creates these two files: /dev/serial/by-id/usb-MBED_MBED_CMSIS-DAP_10105a42e87da33c103dccfb6bc235360a97-if01 /dev/disk/by-id/usb-MBED_microcontrolleur_10105a42e87da33c103dccfb6bc235360a97-0:0 Are the ids […]