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

learn more… | top users | synonyms

1
vote
1answer
93 views

Brightness issues (etc.) with Nvidia Card in OpenBox

After a fresh install of Crunchbang Linux 11 on an Intel 486 powered machine I struggle with setting the display brightness which blasts at 100% … this is really, physically painful. My efforts ...
0
votes
0answers
49 views

How to customize Dell PowerEdge 2970 LED info screen via CentOS?

As shown in the photo below, the Dell PowerEdge 2970 as an information screen on it. I have CentOS installed. Is there a way via the OS to change this data? If so, how? Thanks in advance!
1
vote
0answers
471 views

Pulseaudio and Pavucontrol very unstable

I've recently installed ArchLinux on my desktop, together witht the GNOME3 Desktop. I installed pulseaudio and pavucontrol, which both seem to be very unstable. First I couldn't get my headset to ...
0
votes
1answer
90 views

liveCDs detecting wrong video card

I just replaced my video / graphics card with a new model, the AMD firepro m6100. None of my ubuntu 13.10 based liveCDs are able to run correctly (manually running startx from tty1 fails, so that's ...
1
vote
0answers
60 views

Suspend Linux (Mint) with external hard drive plugged in

I simply try to suspend the session while my external hard drive is plugged in (doesn't matter whether I have mounted or dismounted it, and this error does not apply to other filesystems, like flash ...
5
votes
2answers
3k 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 ...
1
vote
1answer
28 views

Any reason an HP C7499A DVD ROM shouldn't work on an old Sun Ultra Enterprise II?

I'm trying to switch from a CD-ROM to a DVD-ROM on an old Sparc Ultra Enterprise II. I got this C7499A but I can't seem to access anything on it. I thought that since it's SCSI it should work even ...
2
votes
3answers
197 views

Starting Linux from power off at predetermined time (and executing command)?

To put it simply, I'm trying to use my computer as an alarm clock. It's slightly old and noisy, so I'd like it to start from power off at a scheduled time and then execute a command, such as playing ...
0
votes
0answers
82 views

PC -> to -> Server. How to disable video card test inside BIOS?

I'm trying to setup my old PC as a server. Motherboard EliteGroup P4S5A/DX. Upto 2Gb of DDR 1 Ram. Video card: vga1 at pci1 dev 0 function 0 "NVIDIA GeForce4 MX 440" rev 0xa3 About a 2-days I'm ...
0
votes
1answer
42 views

Debian Squeeze not detecting any hardware after Gnome 3.8 upgrade

So, somehow I accidentally upgraded to Gnome 3.8 (Don't ask me how, I have no idea). And after a reboot, none of my peripheral devices or interfaces are working. The built in mouse and keyboard do ...
3
votes
1answer
52 views

Is there a tool that I can use to create a diagram of my system's architecture?

I'm looking for a tool that can create both graphical files as well as text based ASCII representations of my system's CPU & motherboard architectures.
2
votes
1answer
254 views

Interpret the output of lstopo

I have a output from lstopo --output-format txt -v --no-io > lstopo.txt for a 8-core node in a cluster, which is https://dl.dropboxusercontent.com/u/13029929/lstopo.txt The file is a text drawing ...
4
votes
1answer
73 views

What is not accessible from userspace?

I read somewhere (3.1.3) that there's a high ring (supervisor mode) and a low ring (user mode) and that some "things" can be run only from the highest ring. What do they mean by "things"? I'd guess ...
2
votes
2answers
1k views

Is there a way to dump a CPU's CPUID information?

I'm familiar with lshw, /proc/cpuinfo, etc. But is there a method for getting at a CPU's CPUID opcode?
3
votes
1answer
242 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
74 views

MAC Address changes after dirty shutdown

I'm having a strange issue which I originally thought was tied to the fact that I created an Ubuntu system from an image of another. However, after reinstalling Ubuntu from scratch I am getting the ...
1
vote
0answers
200 views

Using Radeon on muxless system with multiple X servers

I'm using HP ProBook 4740s laptop with muxless hybrid graphics: root@mekras: lspci | grep VGA 00:02.0 VGA compatible controller: Intel Corporation 3rd Gen Core processor Graphics Controller (rev 09) ...
3
votes
2answers
6k 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
104 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 ...
0
votes
2answers
140 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
votes
1answer
252 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
vote
1answer
45 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
vote
1answer
247 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, ...
1
vote
2answers
74 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 ...
1
vote
0answers
47 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
vote
1answer
140 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
118 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 ...
0
votes
2answers
85 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
vote
1answer
134 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 ...
10
votes
4answers
2k 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 ...
2
votes
3answers
292 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
173 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. ...
3
votes
0answers
1k 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
vote
2answers
145 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
148 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
1k 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 ...
1
vote
1answer
607 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 ...
0
votes
2answers
2k 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 ...
0
votes
1answer
928 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
341 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 ...
1
vote
0answers
101 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 ...
0
votes
0answers
172 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
641 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
398 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 ...
1
vote
0answers
76 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
4k 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 ...
0
votes
1answer
206 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 ...
4
votes
1answer
197 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
vote
1answer
73 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. ...
1
vote
0answers
268 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 ...