General questions about hardware under Linux/Unix. Use a more specific tag if applicable.

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80 views

PCI Device Missing After Reboot

I have a DVBSky T9580 PCI tuner card. My problem is that after rebooting,, the device dissapears, lspci does not list it any more. I tried rebooting with reboot command as well as shutdown -r 0. ...
12
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8answers
11k views

How to flash firmware under Linux in practice?

Well, I am feeling too old for jumping through several burning hoops to upgrade several firmwares via the usual vendor-specific way: Download some DOS tools, waste some time creating a (Free-)DOS boot ...
2
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0answers
36 views

Random pieces of ancient hardware not working together (Mac G5, Sun network adapter)

This is probably some kind of weird esoteric hardware combination but it's not why I did it. It's just what I had lying around. I have a 2x 2ghz Mac G5 and I can't really bring myself to part with it ...
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0answers
30 views

External monitor script has become unreliable

I have been using the following udev rule and bash script to automatically configure my external monitor for some time now, however recently the script has become unreliable, usually doing the ...
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2answers
18k views

Missing “version.h” when installing fglrx

I have downloaded the fglrx driver installer from the ATI drivers page. when I start the installation, everything goes smoothly until I hit an error message, telling me to check /usr/share/ati/fglrx-...
12
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8answers
11k views

How to know if /dev/sdX is a connected USB or HDD?

How can I know if /dev/sdX is a local HDD or usb key ? best doing this without root privileges. OK , udevadm helped a lot: For local HDD: udevadm info --query=all --name=sdb | grep ID_BUS E: ID_BUS=...
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votes
1answer
31 views

Use NVIDIA graphic card as regular resource

I don't use my graphic card anymore, but it is still laying there, idle. Is there a way I can turn it back on and use it just a regular, additional CPU/RAM for my laptop?
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0answers
68 views

How to get the Adaptec 1200A to work under Linux at UDMA/100 (instead of 66)

A while ago, I got myself a used Adaptec 1200A controller card to keep my onboard slots free for easier connect/disconnect of drives and now I am wondering why this card will only operate at UDMA 66. ...
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0answers
11 views

How and when is keyboard data encoded from keyboard to application? [duplicate]

I hope this is not the wrong place to ask this, if it is, please point me in the right direction. As the title says, how and when is keyboard data encoded? I just wanna know in basic terms the ...
0
votes
1answer
244 views

Why are the up and down arrows keys not always working on multiple platforms?

Very recently, maybe within the last two weeks this issue has started cropping up: once maybe every two days or so, the up and down arrow keys simply stop working for a while - I can move the cursor ...
102
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12answers
445k views

How do I find out what hard disks are in the system?

I need to know what hard disks are available, including ones that aren't mounted and possibly aren't formatted. I can't find them in dmesg or /var/log/messages (too much to scroll through). I'm hoping ...
0
votes
1answer
246 views

Problem with internal USB hub & my smartphone

I have a problem when plugging in a smartphone, as journalctl shows below: jul 19 17:28:43 newhope.belkin.home kernel: usb 1-1: new full-speed USB device number 2 using xhci_hcd jul 19 17:28:43 ...
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votes
1answer
441 views

Fresh install Debian Jessie over existing Debian Wheezy on laptop

I am very new to Linux and any sort of communities for that matter so if I'm posting to the wrong place please let me know. I was hoping I could find a solution to my "problem". I installed Debian "...
1
vote
1answer
179 views

lsusb shows USB devices that are not connected

I have the weird issue that lsusb shows USB devices that are not connected. We have a couple of devices connected via USB. To disconnect them from the system we disable the power to the USB port with ...
2
votes
1answer
71 views

Get device's bus port

How can I get a list of device bus ports? For example the parallel port is the 0x378. Is there a command to list each port and its device? On Windows it is possible looking device detail in the ...
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0answers
206 views

Ubuntu 14.04 - Multiple Griffin Technology Powermate Knobs

I am running Ubuntu 14.04, and I want to run multiple griffin powermate knobs: https://store.griffintechnology.com/powermate. I want to map them to different keys other than audio control. I want to ...
0
votes
1answer
102 views

Switching to Linux permanently [closed]

I have searched through the forum for similar answers but I had no success in finding a satisfactory one. Windows and I had a fight last night and I decided to break up with 'it'. :)) Therefore I ...
1
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1answer
2k views

How to check firmware version in solaris?

I have searched in /usr/platform/sun4u/sbin path. But not sure how to get the firmware version.
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0answers
37 views

X server error due to possible hardware issue?

I am running Linux Mint 17, and have encountered an X server error that prevented the OS from booting, similar to the error described here. Typically, such an error suggests a problem with the ...
1
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0answers
272 views

SSD installed, but shows as HDD in command output

Strange issue here. I have a 480GB SSD drive installed in this server. I installed it myself. I see it, it's there. But, I'm getting an incorrect output on a typically used command to determine if it'...
0
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1answer
120 views

Enable virtualization with gigabyte ud3 990fx

I'm trying to get the virtualization running : I have the following settings: Mainboard: gigabyte ud3 990fx CPU: fx-9590 Kernel: 3.11.0-12-generic Linux Mint 17 In the bios both svm as well as ...
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0answers
1k views

How to setup “Creative Sound Core 3D” on Debian Jessie correctly?

I justed installed Debian Jessie and was happy to see (or hear) that my Creative Sound Core 3D (as onboard chip on my Gigabyte GA-X99-Gaming 7 WIFI mainboard) worked out of the box when trying to play ...
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0answers
107 views

Linux Mint keyboard and mouse take a long time to work after boot

I turn my computer on, select my linux harddrive, and then I end up at the Linux mint encryption password area. I have to wait about 1 minute just for my keyboard and mouse to actually light up and ...
2
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2answers
112 views

why do some network cards need to load external firmware?

I have read this question/answer, but I still do not understand why some network cards work perfectly well without any additional firmware, whereas others need to load firmware to work. As a specific ...
4
votes
1answer
349 views

Set NetworkManager to ignore rfkill

My notebook does not have a hardware button to disable wireless. But NetworkManager and rfkill see wireless as hard blocked. Wicd and iwconfig works well. Is there any way to disable hard block check ...
2
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0answers
348 views

Wireless LED indicator issue

The question itself: is there any way to make this indicator be turned ON and OFF depending on wireless status (not just blink when there is wireless activity)? After having installed Linux, I saw ...
1
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2answers
85 views

Log and plot temperature-time curve over given time intervall

How can I log and plot a graph of all available hardware temperatures (CPU, SSD, etc). CPU load over a given time (say a day or a week) in linux? The CPU is i7 haswell if this matters, I have ...
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0answers
586 views

What does mt -f /dev/st0 erase do exactly on a tape drive?

What does mt -f /dev/st0 erase do exactly with a (LTO-6) tape drive at /dev/st0? It takes hours and seems to write many times. Does it write random data on the tape several times to delete the ...
0
votes
1answer
196 views

Linking two hardware serial ports

I have two micro-controllers which are connected to my computer(ubuntu 12.04) through serial-USB cables. One of the controllers (ttyUSB0) is programmed such that it sends data serially and another (...
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5answers
157 views

Prevent encrypted partition from running on other PC

Concise question: Is it possible to somehow bind partition encryption to hardware so it is impossible(very hard) to copy system to another PC and run there? Full story: We have a small embedded PC ...
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2answers
1k views

Installing an unauthorized wifi card in a Lenovo thinkpad edge 14

I took out a my Intel dual band Wireless AC 7260 card model number 7260HMW from another laptop. I wanted to install it in my thinkpad. Upon doing so and rebooting, the computer said unauthorized wifi ...
0
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0answers
108 views

Check for hardware damage (GPU)

I need to check for damage to my graphics card. I suspect I have done damage to my gpu through overclocking. Now, whenever I do anything graphically intensive my screen will flash various colours and ...
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3answers
2k views

How to determine bitness of hardware and OS?

Output of uname -a on my RHEL 5.4 machine is: Linux <machine name> 2.6.18-164.el5 #1 SMP Tue Aug 18 15:51:48 EDT 2009 x86_64 x86_64 x86_64 GNU/Linux Does it mean that hardware is 64 bit (...
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0answers
32 views

Retrieve device manufacturer without sudo

I need to retrieve the manufacturer model of a linux device (laptop or desktop). I saw that you could use dmidecode | grep -A3 '^System Information' but it needs admin rights. There is any way to do ...
2
votes
1answer
2k views

List All Network Printers (including ones not installed)

It is easy to list the printers you've already installed with this command: lpstat -a However, this does not list network printers you have NOT installed. nmap will scan for all open ports on the ...
3
votes
3answers
2k views

MCE error: MCA: Internal parity error

I have an unstable machine running Ubuntu 14.04 LTS which passes 9 hours of memtest86. I get these: Hardware event. This is not a software error. MCE 0 CPU 1 BANK 0 TIME 1414735539 Fri Oct 31 17:05:...
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3answers
35k views

How to check the life left in SSD or the medium's wear level?

We all know that SSDs have a limited predetermined life span. How do I check in Linux what the current health status of an SSD is? Most Google search results would ask you to look up S.M.A.R.T. ...
1
vote
1answer
519 views

how to choose appropriate linux hardware - poor graphics performance

I can't believe I am asking this question here myself. Apologies if this is not the right place for this question. I've been using linux since 1996, SuSE version 4.1... And yet I am still not able ...
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3answers
1k views

Unique hardware signatures in BSD?

What unique hardware signatures can you get from, for example, a FreeBSD system? I am right now using the ethernet mac address (getifaddrs(3)) but as we all know this can easily be changed with ...
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1answer
1k views

shell command to know computer manufacturing date [closed]

as object, I would like to know when a computer was built and also last OS installation date
4
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1answer
315 views

How can I make the pairing of the 'ltunify' program permanent?

I have used the ltunify pairing tool for Logitech Unifying Receiver, written by Lekensteyn, on my Logitech M510 mouse and K350 keyboard, which works perfectly. However, when I reboot, these changes ...
1
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0answers
350 views

Bluetooth Dongle Connection refused .

I have a bluetooth dongle (something that costs around $2) from which I want to send serial data to my android phone. i have installed : sudo apt-get install bluetooth bluez-utils blueman on ...
1
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0answers
192 views

Lightest hardware accelerated desktop system

I need a list of lightweight desktop environment that uses hardware acceleration either natively or from being on top of another library like Xlib, GTK+, etc. What I'm actually looking for is a ...
1
vote
1answer
247 views

hardware accelerated window manager

i got a hand me down lenovo thinkpad and i was pleased that it was still comparatively fast as it was running windows 7 very smoothly... but since i switched to CrunchBang (i'd like to think i'm ...
1
vote
1answer
274 views

SSD dedicated to swap-only fails on Debian or Ubuntu

It did not happen to me yet, but if I dedicate a single SSD (non-RAID) to swap-ONLY and the server system is using it to full capacity - what happens next? How am I to recover, assuming I have an ...
4
votes
2answers
3k views

What determines whether an interrupt is IO-APIC-edge or IO-APIC-level?

Looking at the contents of /proc/interrupts on an x86 Linux, I see that some of the interrupts are IO-APIC-edge while others are IO-APIC-level. I wonder what determines the interrupt type, is it the ...
2
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0answers
178 views

What is the difference between HAL and udev? [duplicate]

As far as I understand, if I have 3 different network cards, then HAL will cal each of them eth0, eth1 and eth irrespective of their brands, manufacturerers etc. But it seems to me that udev precisely ...
36
votes
5answers
84k views

How can I find the hardware model in Linux?

I used a system information utility to take the model number of a system, and also of the motherboard. DMI System Manufacturer LENOVO DMI System Product 2306CTO DMI System Version ...
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0answers
293 views

How to prevent automatic external hard-drive unmount

I am running some simulations in Matlab on a Linux machine (running Debian Gnome v3.4.2). All the scripts and heavy .mat files are in an external 1TB Toshiba hard-drive connected through USB 3.0 to ...
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0answers
51 views

How to enable second SIM slot in ALIX6F2 and how to switch 3G to it from the 1st one?

I am trying to enable the SIM slot under the RF card but with no success whatsoever. I'm using Voyage 0.8 (a stripped off Debian distribution) as an operating system. A bit of searching landed me to ...