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

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2answers
23 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 ...
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0answers
27 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 ...
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0answers
39 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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0answers
41 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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1answer
38 views

How can I get the Bluetooth working on my Lenovo Yoga 3?

I have a Lenovo Yoga 3 that apparently has a new Broadcom Bluetooth device. The bluetooth is detected at boot and when I try to pair a something in gnome, I can see a list of devices but none of them ...
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0answers
19 views

HW RAID10 without TRIM support with SSD

Recently we purchased new server for Database with 1TB x 4 SSD in Hardware RAID 10, but my Hardward RAID doesn't support TRIM so you think it is going to be big deal? Is there anyway i can do ...
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1answer
74 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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1answer
26 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 ...
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1answer
347 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
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0answers
27 views

Understanding “Hardware error from APEI Generic Hardware Error Source” error message

Summary: I'm trying to understand exactly what the following error message means: [17016.923750] {4}[Hardware Error]: Hardware error from APEI Generic Hardware Error Source: 1 [17016.923758] ...
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1answer
39 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 ...
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0answers
24 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 ...
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0answers
54 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 ...
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0answers
43 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. ...
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0answers
79 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 ...
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1answer
74 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?
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1answer
47 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
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1answer
71 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 ...
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1answer
120 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 ...
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0answers
26 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 ...
0
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0answers
18 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 ...
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0answers
55 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
21 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 ...
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0answers
35 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 ...
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0answers
52 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 ...
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0answers
69 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: ...
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3answers
862 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 ...
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3answers
888 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?
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3answers
340 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 ...
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0answers
107 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 ...
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0answers
32 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 ...
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1answer
292 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 ...
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1answer
129 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 ...
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2answers
37 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, ...
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1answer
37 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 ...
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0answers
833 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 ...
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1answer
485 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 ...
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1answer
32 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 ...
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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 ...
0
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1answer
27 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 ...
3
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1answer
289 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?
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0answers
142 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 ...
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1answer
114 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 ...
0
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1answer
74 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
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1answer
1k 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
298 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 ...
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1answer
149 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 ...
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0answers
36 views

Keyboard is disabling

I stuck with a strange problem on OpenSUSE 13.1, after some random uptime my keyboard is disabling. I'm not even sure how to concretize this problem, this happening randomly and I can't see any ...
4
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3answers
219 views

How can I know the max possible trasmit power of my wireless card?

Is there any way for me to tell the maximum possible power of my wireless card from within Linux? Or do I need to find the product number of the card, and search for specifications like that online?
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5answers
4k 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 ...