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

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1answer
119 views

Touchpad utility

I'm new in the Linux area. I just installed Elementary OS, which is related to Ubuntu, and I want to know if there is a utility for my mouse pad. In Windows I had Synaptics that allowed me to scroll ...
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2answers
199 views

Hard disk power management with image toggling in display

We have a system in which we almost toggle some display data in the screen 24 hours x 7 days a week. Since our application runs every day, we see some hard disk failures in the field. Unfortunately, ...
0
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1answer
345 views

USB 3.0 host controller suddenly stopped working

sudo lshw *-usb:0 UNCLAIMED description: USB controller product: 7 Series/C210 Series Chipset Family USB xHCI Host Controller vendor: Intel Corporation ...
1
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1answer
60 views

Bad blocks only with extension cord?

My external hard drive was acting strangely, so I ran badblocks, and it seemed that nearly every block was bad from the first minute I ran it. If I did badblocks -v > file, the file was over 100MB ...
1
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1answer
408 views

Old laptop won't boot from live CDs

I've got an old Pentium III based Dell Laptop, the originally shipped with Windows 2K and has had Windows XP installed on it. I though I could get something useful out of it if I run Puppy, Lubuntu, ...
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2answers
90 views

Virtualize Windows on Fedora and let Windows see real hardware

My question may be weird. I want to know if there is some virtual machine that lets me install Windows 7 under Linux and lets Windows use, as a virtual device, the same device that is really installed ...
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0answers
51 views

Headset not working in OpenSUSE

When I plugin my headset into my computer, running OpenSUSE, I do not get any audio. The regular speakers work fine. The reason this is happening, I think, is because it still tries to output through ...
1
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1answer
186 views

`cat /dev/ttyACM` loses data when piped through netcat

I'm reading data from /dev/ttyACM0 using cat /dev/ttyACM0 on a Raspberry Pi. The data comes from a device, which sends lines in the form 15.00 1316013 15 where the first number is a value, the ...
3
votes
1answer
202 views

Using Bash to write to a device in /sys?

I have one of these: Basically, it's a USB device with three LEDs (red, green, and blue). The Linux kernel has supported this device through the usbled module for quite some time now. However, I ...
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2answers
126 views

Varing speed when reading sequentially from a HDD

I have just got a new HDD and I wanted to test the sequential read speed (the whole disk). I used: pv /dev/sda > /dev/null The disk is 500GB WD VelociRaptor (WD5000HHTZ). At the beginning the ...
1
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1answer
142 views

Disable hardware ad-hoc

I am running Parted Magic doing some data recovery, that I am finding myself concurrently using for some other minor tasks also. Problem being, typing is a nightmare, as the trackpad is enabled (No ...
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4answers
4k views

Stress testing SD cards using linux

I got into a little debate with someone yesterday regarding the logic and/or veracity of my answer here, vis., that logging and maintaining fs meta-data on a decent (GB+) sized SD card could never be ...
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votes
3answers
450 views

The only way to turn off/on wifi is to put laptop into sleep mode

After start GNOME prints Hardware disabled. I've tried to use keyboard shortcut and it doesn't work. Only way to disable/enable hardware wifi is to put laptop into sleep mode and restore.
3
votes
2answers
237 views

How to harden linux against DMA attacks?

How can I configure my linux system to be secure against DMA-attacks? Is there a way to make them impossible? DMA Attacks excerpt From wikipedia In modern operating systems, non-system (i.e. ...
4
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0answers
2k 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 ...
1
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2answers
199 views

KDE becomes slow

I experience problems with KDE 4.11.1 on Arch Linux. It suddenly becomes laggy and unresponsive and just as suddenly returns to the normal state after some time. Normal CPU load (KSysGuard): ...
4
votes
1answer
173 views

Cleanest way to use a smartphone as a conventional linux workstation

I have a GT-S5830 Samsung smartphone with Android 2.xxx, that I am not using as a phone. It would be nice if the device could be used as a wifi repeater. Unfortunately, this is impossible or not ...
4
votes
1answer
2k views

Does segfaults mean bad memory

This is a brand new server with a new install and fresh compile of Apache/PHP with nothing crazy. Just a WordPress site hosted and I get the following. Could this just mean bad RAM? If so how can I ...
3
votes
1answer
797 views

Debian Sid, AMD RS880 [Radeon HD 4250], black screen on boot

My computer booted under Debian Wheezy (3.2 kernel) with no graphics problems whatsoever. After updating to sid (3.10 kernel), the screen goes black (that is, the display flashes a bit and then goes ...
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2answers
3k views

Linux fan control?

For some unknown reason, my laptop fan stays on consistently. Even when I'm using less than 2% CPU and the air coming out of the vent is seemingly cooler than the air in the room, the fan always stays ...
1
vote
1answer
1k views

My laptop shuts down every time I unplug it

I am using a Lenovo G580 with Linux Mint 14 updated. My laptop shuts off every time I unplug it as if there is no battery even when I am using the BIOS. But, It detects the battery as "84% charging" ...
2
votes
1answer
500 views

Is there any tool to view live statistics about a Radeon GPU?

I've checked out GPU usage monitoring (CUDA), but are there similar tools for AMD/ATI cards? Or kind of universal tools? I want to check out if my applications use the 256 MB of RAM of the video card ...
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0answers
114 views

No microphone input - VIZIO CT15-A5 and 12.04 LTS (64)

I have the VIZIO CT15-A5 and 12.04 LTS (64) is running smoothly .. Only one issue.. I cannot record sound or use Skype due to lack of mic input. I have tried turning up the sound using the alsa ...
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0answers
210 views

Wifi-Hardware seems not to be enabled

in my MSI Wind-Box DC 110 I have this Wifi Chip: RTL8188CE (says the sticker on the chassis and the vendor told me that they are sure the device is implemented) and I cannot connect to any Wifi - ...
2
votes
1answer
1k views

Find driver (which is not automatically installed) for a specific hardware

Is there some general way to find out the name of the driver which I have to install on my linux system given only the hardware name? Maybe some centralized webpage or application which gatters all ...
3
votes
1answer
822 views

Mint fan control

I've installed Mint 15 on my Alienware m14x and can't figure out one thing. For some reason CPU overheats and fan does not respond to that. It always stays calm and quiet. How exactly I can change ...
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0answers
96 views

Diagnoising a hardware issue on linux

I have a laptop that completly turns its self off after an unpredictable amount of time. It also doesn't allow for its self to turn it back on after a period of time. To me this sounds like an issue ...
2
votes
1answer
8k views

How To Diagnose Faulty (onboard) Network Adapter

I'm looking for advice on diagnosing ethernet connectivity issues under Linux. I suspect it's a hardware issue, though I am not entirely sure. It's an nVidia chipset and ethernet adapter. The device ...
1
vote
1answer
246 views

Why there are so many problems with the overheating and fan speed when installing Linux? [closed]

I don't understand it. Almost every 10th or 20th question is about fan or overheating or that the fan is too loud and the speed too big etc. And these questions are not only about laptops but often ...
5
votes
1answer
311 views

How are drivers for peripheral hardware installed in Linux?

I have acquired a new wireless keyboard, and I've tested it out on both a Windows and a Linux box. It worked on both, but with an initial difference - Windows took a minute or two, to look up the ...
1
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1answer
81 views

Need list of HDD devices excluding my os HDD

I want list out whole HDD device excluding my os running device attached to my system. I did lot's of googling and fired many more commands in command line of linux. but can't gating proper output. ...
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0answers
355 views

backlight doesn't work with Linux Mint 14 on my Gateway NV78 laptop

Here is my problem it is Bug 765438--the backlight will not work on my Gateway NV 78 laptop. Won't work with Linux Mint 14, ubuntu from ubuntu 11.04 onward won't work with ps-bcd. Of course it ...
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0answers
358 views

USB ports not working

Ok, got a Puppy Linux Wary 5.3. running on an old laptop with USB ports. Now, here's the strange part ... none of them work. When I stick in a USB-stick there's no reaction. Still, lsusb lists ...
3
votes
1answer
598 views

Writing triggers for mcelog

Just starting to look into mcelog for the first time (I've enabled it and seen syslog output before, but this is the first time I'm trying to do something non-default). I'm looking for information on ...
15
votes
5answers
29k 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 ...
7
votes
5answers
726 views

Can I see what HDD I have installed? [duplicate]

I use lspci for pci devices and lsusb to list the usb hardware devices, is there something similar to list my SATA HDD model ?
2
votes
1answer
9k 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 ...
1
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4answers
656 views

Solaris: Script for finding the physical device path of all installed fiber cards

I have a number of systems (with quite varying type, generation and architecture unfortunately). I need to create a list of fiber cards on these varying systems. I am able to use prtconf -v, and ...
1
vote
2answers
4k 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 ...
1
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1answer
130 views

Laptop camera. How to get detailed information about it?

My Samsung laptop has a built-in camera. The camera works fine. I want to get detailed information on it, at the very least model and communication bus. The output of lsusb, lspci, lshw, ls /dev do ...
4
votes
3answers
588 views

When is it safe to disconnect my external HDD?

In Windows, there's an option to "safely remove hardware". Ignoring the fact that it almost always fails, and that most of the time I simply have to plug the device out, I get the initiative behind ...
3
votes
3answers
4k views

Human readable system memory reading crom CLI?

On OS X, I get a nice human readable system memory reading like so: printf -v system_memory \ "$(system_profiler SPHardwareDataType \ | awk -F ': ' '/^ +Memory: /{print $2}')" ...
2
votes
1answer
642 views

Best way to encrypt my system on an ssd

I consider to buy an ssd for my laptop (something like Samsung 830 or 840) to make the system more responsive. I want my system (at least my home partition) to be encrypted. However I know about ...
2
votes
4answers
998 views

Hardware and software inventorying

Objective Collect hardware and software information from lab computers, respecting students' privacy. Type of information to collect Examples: System memory Bash verion JVM version Operating ...
0
votes
0answers
45 views

How to find out whether a certain processor is 64bit or 32bit? [duplicate]

Now, the answer that jumps into everyone's minds at this point is, of course, uname -a. But I believe that, in this case, it is not the correct answer. Why? Well, I have installed a 64bit version of ...
0
votes
2answers
142 views

Obtaining the staus of all input/output ports connnected to system

What's the command to list the all I/O ports connected to system? Also, how do I get the status of all individual ports? For example: printer How do I determine whether a printer is ready to print ...
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 ...
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votes
2answers
2k 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 ...
3
votes
3answers
137 views

How to use a “hardware key” to control Linux networking

Sometimes I have trouble controlling myself while in front of the computer and I tend to procrastinate a lot doing Internet surfing. Fortunately I do not need Internet for most of my work. So I would ...
5
votes
1answer
187 views

Why Nmap fragmented scan on Linux is only working from virtual environment?

OLD QUESTION AND TITLE (Look further down for the updated question): Why Nmap fragmented scan is only working on Backtrack? I spent quite a few hours today trying to capture and study some ...