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

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2
votes
1answer
112 views

Worrisome HD related messages after power outage

Had a power outage two weeks ago on my BSD server that my UPS decided then was a good time to fail. Just fired it up this evening only to have the following errors show during what I would assume is ...
2
votes
1answer
205 views

GRUB won't boot, live CDs either

First, my computer crashed slowly, as if all the files were being deleted, then when I tried to reboot, GRUB just didn't show up. I also tried to boot on a live CD but it doesn't work either (yes, ...
4
votes
1answer
158 views

TWAIN API support on FreeBSD

Does FreeBSD support in any way the TWAIN API? If not, what is the API that could be used to read data from imaging devices (webcams) - preferably in a portable way.
9
votes
4answers
763 views

How do I disable or change the caps lock key on my keyboard?

We have ergonomic keyboards at work which I'm not entirely used to. I seem to keep hitting the capslock key while I'm in vim and it's starting to annoy. How can I disable this key, and or change to to ...
3
votes
1answer
1k views

Linux compatible motherboard

Where can I find a list with Linux compatible motherboards. I want all features of the motherboard to work reasonably well with latest valilla Linux kernel (ie, clearly document that I need external ...
1
vote
1answer
133 views

Set runlevel at boot via hardware (analog) input, switch, etc.?

I've got pretty solid Linux experience, but little in the embedded/small system area, and this one has me baffled. I've agreed to help a friend work on a project using a tiny little x86-compatible ...
2
votes
1answer
308 views

Pluggin a bunch of USB hard drives into a Linux system?

I've got a Linux system with two USB 2.0 ports and one USB 3.0 port, and I would like to know how many USB hard drives I could plug into it. On the performance side, what would the I/O access be like ...
1
vote
1answer
386 views

Debian Squeeze not booting anymore

My machine is not booting anymore. It is a debian squeeze server on amd64 with 4 hard disks and 2 software raids (md4 and md5). You can watch this video of the screen after switching it on. (The video ...
1
vote
1answer
141 views

First steps: installing a compatible Bluetooth card to my laptop? [closed]

I'm looking to install a Bluetooth card to my laptop, as it currently doesn't have Bluetooth support and I'd like to get away from having to use an external USB dongle. I own a Gateway NV51 series ...
4
votes
1answer
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 ...
1
vote
1answer
224 views

Easy way to use hardware mixing?

My sound card supports hardware mixing. What's the easiest way to use this feature (rather than on an app-by-app basis, hopefully)?
0
votes
1answer
511 views

Compatible Wireless Router? [closed]

I'm looking for a wireless router for personal use. I have a small apartment and need the router primarily for my android phone connection. I might need it for streaming video as well. I'm running ...
1
vote
0answers
238 views

Fedora 14 touchpad issue

I have an HP 3031-et series laptop. My hardware is: Intel i5 460M 3 GB DDR3 RAM Graphic Cards: ATI READON 5650 HD and Intel HD Graphic I installed Fedora 14 on my hardware, and after installation ...
1
vote
1answer
377 views

Linux: Interface/control 3.5 mm Headphone or Microphone port? [closed]

This might sound crazy, but bear with me ;) I am making a DIY camera trigger, and I would like to see if I can trigger it remotely by plugging it into my Microphone or Headphone ports. It's a basic ...
2
votes
1answer
812 views

CentOS 5.6 x86 64 Not seeing all my memory

So I installed CentOS 5.6 on a box at my house and it is not recognizing all my memory. I have 2gb in the machine but when you run a 'free -m' or a 'top' or a 'cat /proc/meminfo' it only shows that ...
6
votes
1answer
2k views

Support for usb 3.0?

I could not seem to find the question here but I was wondering what experience if any users have had with USB 3.0? My asus p5x58d has usb 3 on it but I have yet to try it out and also do not know ...
2
votes
2answers
935 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 ...
13
votes
3answers
3k views

How to detect memory type under Linux?

Which Linux utility can tell me if I have registered or unbuffered ECC memory in my server? Lshw and dmidecode do not work for me; dmidecode provides no information about registered vs. unbuffered: ...
5
votes
3answers
841 views

Why does one linux distro run hotter than another on laptop?

I had been using Arch Linux 64 bit on a Gateway P6860FX for about two years, and recently switched to Ubuntu (also 64 bit). When I type on the keyboard, my left hand feels a lot more warmth than ...
1
vote
0answers
106 views

How do I determine the make & model of my storage devices? [duplicate]

Possible Duplicate: How do I find out what hard disks are in the system? I'm running a CentOS 5.5 system. This system has 4 disks and a 3ware RAID controller. How can I determine the make ...
17
votes
4answers
1k views

Why does Linux scale so well to different hardware platforms?

Why does Linux run well on so many different types of machines - desktops, laptops, servers, embedded devices, mobile phones, etc? Is it mainly because the system is open, so any part of it can be ...
3
votes
1answer
71 views

Can driver installation procedures be made into a single package?

Here is an example of the instructions for installing a Brother printer: http://welcome.solutions.brother.com/bsc/public_s/id/linux/en/instruction_prn3.html and this just a part of the procedure... ...
1
vote
7answers
1k views

What distro for an old HP (Celeron/384MB)

An old HP desktop just came my way for service. Was running XP, but the install is trashed. User would like to switch to Linux, but the box it's only a 950mhz Celeron with 384MB RAM. It does have a ...
3
votes
3answers
494 views

How to retrieve monitors configuration from the command line?

I am making a script that needs to access the computer's monitor(s) configuration. How can I do that? Is there a command or a file I could read where I can access this information? At the moment, I ...
1
vote
1answer
1k views

simultaneously share /dev/videoX with multiple applications?

the goal is to use the same webcam for video chat apps and for home security at the same time. Currently, the webcam is working just fine with either VLC (or mjpg-streamer) and with Kopete - just not ...
2
votes
3answers
146 views

Linux advice for datalogging machine

I've been asked whats the cheapest/easiest/most reliable way to use Linux as a webserver/mysql DB machine. Is it going to be buying a really old PC and putting Linux on it or what i'd rather do is get ...
9
votes
1answer
2k views

Hard disk labels

How do I add a label to a partition on a disk, and how do I then mount it by label (manually and via fstab)? note: this is an external hard drive
8
votes
4answers
3k views

Serve files over USB

I would like to be able to serve a section of my box's file system over USB to another computer. For example, if the files are on box A and I am reading from box B, then B would mount A, see those ...
5
votes
2answers
708 views

External tablet input devices for Linux (Inkscape/Gimp)?

What are good external tablet input devices for Linux? It should be used for more convenient use of Inkscape and Gimp. Some characteristics that are useful, I guess: connected via USB included pen ...
5
votes
2answers
591 views

Linux Distro specifically for benchmarking?

At my current position, we use some outdated proprietary software in order to benchmark new computers that the company is testing and evaluating for purchase. We would like to move on to something ...
4
votes
1answer
497 views

Capturing OS/hardware communication / reverse engineering drivers

This may be too broad of a question, but I'm not really sure what exactly I'm looking for. My main question is how the open source community reverse engineers windows drivers (for say, video cards) to ...
8
votes
3answers
3k views

How do I make my disk unmap pending unreadable sectors

I have a disk with some pending unreadable sectors, according to smartd. What would be the easiest way to make the disk remap them and stop smartd from complaining? Today, I get two of these every ...
3
votes
1answer
1k views

DVD drive constanly spins up/down when idle

DVD drive constantly spins up/down when idle on notebook. I cannot track what is causing it. The process of spinning up/down is quite noisy and disturbing. lsof cannot find anything that have device ...
2
votes
2answers
817 views

Installing a second hard drive

My system currently runs an XBMC live install. I am installing a second hard drive in my system, but I am somewhat of a linux newb and only know the basics. Since it is XBMC I believe I need to do ...
4
votes
1answer
3k views

How to verify hardware acceleration settings on Nvidia GeForce 9800

How can I verify whether hardware acceleration is available and whether it is enabled for my video card. If it makes a difference I am using Ubuntu 10.04.