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

learn more… | top users | synonyms

1
vote
1answer
128 views

searching for hardware via lspci

I just bought Lenovo ThinkPad X201 t. I have installed Debian Jessie (testing). I was able to make working all of its hardware, but with one exception. And that is mobile broadband modem. I have ...
2
votes
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 ...
1
vote
1answer
617 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
3
votes
1answer
117 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
vote
0answers
180 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
vote
0answers
111 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 ...
11
votes
3answers
10k views

How to check which GPU is active

I have 2 GPU's in my netbook. How do I know which one I'm actually using at any given moment?
0
votes
0answers
247 views

DirectFB does not write to /dev/fb0, embedded device

I am developing a Linux based port for a custom board based off the Atmel at91sam9261-ek demo board. Processor core is arm926ej-s LCD (board customization) is VGA, 640x480, 24 bit packed true color. ...
0
votes
0answers
129 views

install just goes to a blank or black screen

ViciBox is built with OpenSuSE v.13.1 64-bit, while the current version looks to be 13.2, not 13.1. This is the only reason I can find to explain why this distro fails to install onto this particular ...
0
votes
1answer
477 views

Should I install the AMD/Intel microcode packages when running Debian?

Should I install the AMD/Intel microcode packages when running Debian? What exactly do they do, and when should/shouldn't I install them? Why are they in non-free?
1
vote
1answer
115 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
379 views

Random system Freezes on two different machines in the same room

I am at my wits end and looking for suggestions. I have been encountering a problem with 2 desktop workstations in my home office. This problem began on an old dell machine, and when I finally gave up ...
1
vote
1answer
165 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
2k 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
votes
0answers
54 views

What is the difference between HAL and udev?

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 ...
6
votes
0answers
3k views

“Northbridge Error (node 0): ECC Error in the Probe Filter directory”

I've received an e-mail from a user worried that the following errors on one of his servers is indicative of a serious problem. The trouble is, the errors below are all that I have to go on. I ...
0
votes
0answers
23 views

Right clicks not detected after burst of right-clicks

I am having a problem with right-clicks going undetected when I do a "burst" of right clicks (e.g. 2 or more per second for a short duration). This is really annoying when playing DotA2 which requires ...
20
votes
5answers
41k 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 ...
1
vote
0answers
134 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 ...
10
votes
5answers
7k views

generate consistent machine unique ID

Can we generate a unique id for each PC, something like uuuidgen, but it will never change unless there are hardware changes? I was thinking about merging CPUID and MACADDR and hash them to generate ...
1
vote
0answers
34 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 ...
1
vote
0answers
43 views

is this a keyboard hardware limitation?

I have remapped Caps_Lock to Ctrl_L on an ancient mechanical keyboard. It is still impossible to use the caps lock key to produce key combinations like C-e. xev shows the following sequences are ...
1
vote
0answers
101 views

How to diagnose CPU performance problems?

Recently I bought a new netbook based on AMD A4-1200 CPU and installed Linux Mint 17 with XFCE. RAM is 4GB So, testing some of my programs, I found very strange behavior. On random intervals, the ...
0
votes
0answers
98 views

Debian Squeeze: TCP/ICMP stops working suddenly (R8169 Driver)

we suddenly see our NETWORKING stops (TCP/UDP/ICMP) in our client system. tcp: We tried reaching our server every 5 seconds.But , there was no connection establishment TCPDUMP REF: ...
5
votes
1answer
134 views

How can I get this proprietary low-vision camera working in Linux?

I am a visually impaired Computer Science student, and use a special USB camera to zoom in on the board/projector during lectures. The camera only officially supports Windows, and I've been using it ...
13
votes
3answers
940 views

Do different distros (but same kernel ver) have same hardware support

As far as I know the device drivers are located in the Linux kernel. For example let's say a GNU/Linux distro A has the same kernel version as a GNU/Linux distro B. Does that mean that they have the ...
1
vote
3answers
3k views

Is there any way to know the size of L1, L2, L3 cache and RAM in ubuntu?

Is there any way to know the size of L1, L2, L3 caches and RAM in Ubuntu?
0
votes
0answers
136 views

Oculus Rift on Linux

Sorry if this isn't the right place for this question. I do realize this is a somewhat experimental piece of hardware. Still, it would be nice to see how much progress can be made here. I'm running ...
0
votes
0answers
40 views

How to find out if F20 (Linux) is reaping the maximum benefit from my hardware

I have a new laptop HP Pavilion x360 and I wiped out the windows 8 and replaced it with Fedora 20. My question is if there is a way for me to find out if my display driver can be improved or if any ...
10
votes
2answers
3k views

Get monitor make and model and other info in human readable form

I have extracted the shorthand version of the current monitor attached to the computer. Here is an example: vendor "VSC", prod id "18500" In Ubuntu's Monitor Preferences, it is identified as ...
2
votes
1answer
551 views

What does it mean when my wireless lan is “hard blocked”?

I am attempting to setup wifi on my beaglebone. root@beaglebone:~# rfkill list all 0: phy0: Wireless LAN Soft blocked: no Hard blocked: yes unblock does nothing: root@beaglebone:~# rfkill ...
-1
votes
1answer
257 views

How to stop CPU fan in Linux?

I use an old computer. CPU fan creates big noise. Sometimes CPU fan suddenly stops and does not work for a long time, and CPU does not get heated in these long periods, because I use very light-weight ...
3
votes
2answers
53 views

email alerts when serious system errors occur

I was greping syslog on a server for errors and noticed these lines that had nothing to do with what I was looking for but was alerting enough: kernel: [8456851.218586] ata2.00: irq_stat 0x08000000, ...
4
votes
1answer
2k views

How to monitor RAM ECC errors on Ivy Bridge Xeon E3 processor in Linux?

How can I monitor if there are any errors in RAM that get corrected by ECC? The processor is an Intel Xeon (Ivy Bridge) processor, the operating system is Scientific Linux 6.3. On a previous system I ...
1
vote
1answer
40 views

Does the NICs have any kind of log?

Recently I had an issue with my server, my nagios couldn't ping it and lost connection with the NRPE daemon, in my host provider interface I could see the server was ACTIVE but either I couldn't ping ...
0
votes
0answers
1k views

How to use INSIGNIA USB bluetooth adapter on Debain (Kali Linux)?

I've just purchased a USB Bluetooth adapter for my computer the brand is Insignia and I was wondering if it's possible to use it on Debian (Kali Linux)? Ok I got it to recoginze the usb device by ...
6
votes
3answers
3k views

Are the major, minor number unique

Are the major, minor number Unique? Do we have any citations and reference to it? NAME MAJ:MIN RM SIZE RO MOUNTPOINT sda 8:0 0 465.8G 0 ├─sda1 8:1 0 298.2M 0 ├─sda2 8:2 0 ...
2
votes
1answer
1k views

How to test an ethernet card?

I have a USB->Ethernet card that may or may not be somehow broken. The problem is I don't really know how to test it. I have a normal Ethernet port as well, so I can hook a (already tested) cable from ...
-1
votes
1answer
35 views

Hardware problems, can I reinstall OS?

I have managed to break physically break my internal screen on my laptop, I have a sony vio E17 which is connected to a external screen. Yes I have unplugged the internal screen. My main and root ...
0
votes
0answers
19 views

How to create a fingerprint of the hardware from a dedicated root server? [duplicate]

Recently our ubuntu root server has been replaced after some failures. Unfortunatelly we cannot confirm if it really has been replaced or just some parts. What is the best and most thorough way to ...
3
votes
1answer
350 views

Obtaining information about system hardware

If I want to accurately save information about the hardware I am using as a reference, what is the best way to do it? Are the contents of /proc/meminfo sufficient?
0
votes
1answer
43 views

Is there anyway to get the hardware information on a hardware RAID 1 while inside of the OS?

Is there any way to see the information on a hardware raid while still being in the OS? Things to note: I am remotely connected to this machine (so I cannot physically see the information of both ...
0
votes
0answers
170 views

Journal commit I/O error for Seagate Expansion external USB hard drive

I am using Debian 7.6 (amd64) and for some reason when I am trying to read or write to my Seagate Expansion 1TB external USB drive, I am getting input/output errors ... Here is what the output of ...
6
votes
2answers
6k views

Lenovo T440s Fingerprint reader in Fedora 20

I just got my new Lenovo T440s and installed Fedora 20 with Gnome 3 on it. Everything runs smoothly, except for the fingerprint reader. Its got a Validity VFS5011 (138a:0017) device which is not yet ...
0
votes
1answer
98 views

What are PCI devices?

In Linux, the lspci command lists all the devices in my laptop (including AGP, USB, SATA, SCSI, bridges, ethernet, etc.). The man lspci command gives me this information: lspci - list all PCI ...
4
votes
1answer
3k views

APEI Generic Hardware Error

Over the past week my server (running Debian Jessie) has rebooted twice. In the syslog I see this before each reboot, and at no other points: Aug 15 13:32:58 hoshimiya kernel: [296512.005355] ...
4
votes
1answer
482 views

Mouse pointer moves on its own

When I leave the mouse (Logitech Performance Mouse MX) alone, it moves (somewhat continuously) ever so slightly on its own! This causes several issues: when watching a video full screen, the seek ...
1
vote
2answers
5k views

How to detect a possible hardware error?

I'm running Debian Wheezy on a HP Pavilion dv7 laptop and it freezes every now and then, requiring a reboot. One time it didn't even load the operating system, but it wasn't I who was using it so I ...
3
votes
1answer
679 views

Getting capabilities of my CD/DVD drive when wodim --devices doesn't work

I used to be able to run either commands successfully on my Fedora 14 Thinkpad T410 laptop: $ wodim --scanbus $ wodim --devices However since upgrading to Fedora 19 this no longer seems to work and ...
1
vote
1answer
223 views

Does BIOS device whitelist affect Linux?

Starting with 2002, Lenovo (actually, it was IBM back then) started whitelisting the wireless adapters and other devices allowed to be used in their ThinkPad laptops. Some other manufacturers are ...