General questions about hardware under Linux/Unix. Use a more specific tag if applicable.
28
votes
9answers
50k views
How do I find out what hard disks are in the system?
I need to know what hard disks are available, including ones that aren't mounted and possibly aren't formatted. I can't find them in dmesg or /var/log/messages (too much to scroll through). I'm hoping ...
2
votes
2answers
414 views
Getting input from a USB device listed with lsusb
I have a CF-1KB barcode reader connected to an RS232 to PS/2 adaptor and a PS/2 to USB adaptor. I'm not sure how the device works so I'm trying to figure it out by looking at what information I'm ...
0
votes
0answers
26 views
raspberry pi vs beaglebone for personal pc [closed]
I'd like to have a second machine, a linux one, just for programming and development, something I can play and learn on. I'm thinking of something like a Raspberry Pi or a Beaglebone hooked up to a ...
4
votes
1answer
96 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 ...
1
vote
4answers
54 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 ...
4
votes
1answer
2k views
Setting CPU frequency guidelines
I'm changing my CPU frequency because of noisy fan.
I used sudo cpufreq-selector -g powersave for this purpose, but I replaced my Linux system Xubuntu with Lubuntu because it utilizes better ...
1
vote
0answers
38 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 ...
2
votes
1answer
388 views
azap from LinuxTV dvb-apps strange signal behavior with Hauppauge WinTV-HVR 950Q
What I want to do
I have a Hauppauge WinTV-HVR 950Q USB-TV-Stick. I want to use this stick to successively tune to and read in a certain live TV stream.
What I do
I trigger a scan and save the scan ...
0
votes
2answers
212 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
vote
1answer
342 views
Can I use a parallel port as a CUPS input device?
I have an old piece of a hardware that does diagnostics on medical equipment. It prints out results over a parallel port. Is there any way to have CUPS accept jobs from a parallel port and redirect ...
1
vote
1answer
38 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 ...
7
votes
5answers
266 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 ?
1
vote
4answers
92 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 ...
0
votes
1answer
82 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 ...
7
votes
2answers
2k views
How to Determine the Amount of RAM Slots In Use?
I forgot how many RAM modules are installed on my laptop. I do not want to unscrew it but want to look it up on the console. How do I gather this information?
7
votes
2answers
481 views
Any relatively new binary distro causes kernel panics
I'm having trouble using any relatively new binary distro on this machine. The last binary distro to work without issue was Ubuntu 8.04. I'm currently using Gentoo with the latest 3.2.1 kernel and ...
6
votes
1answer
343 views
Linux kernel 2.6 on ARM
I have compiled and installed the 2.6 kernel on an ARM board. I am using the ARM mini2440 board.
I would like to know if there is already a way to access the General Purpose I/O port pins?
Or will ...
1
vote
1answer
161 views
Installing Linux on an Android netbook
Is it possible to boot Puppy Linux using an USB stick on a netbook running Android, specifically this one: http://amzn.to/VSEJTf?
Is the right kind of BIOS in place that it can boot from USB?
6
votes
3answers
732 views
Linux-compatible 56k modem
I have a client who wants to set up a fax server in their office. I'd like to use HylaFAX under Ubuntu, but I'm a little shy to spend money on hardware for Linux, particularly a modem given the whole ...
2
votes
1answer
165 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 ...
0
votes
0answers
33 views
Fixing ssd card filesystem
While transferring media, my sansa was disconnected due to cable issue, and now I cannot remove the broken folders from the ssd card in windows. Format did not work, so I've decided to solve it quite ...
1
vote
1answer
29 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
2answers
137 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 ...
2
votes
3answers
186 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
4answers
161 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
43 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 ...
4
votes
1answer
297 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 ...
0
votes
2answers
43 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 ...
6
votes
1answer
148 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 ...
1
vote
1answer
1k views
Hotplug area too small error
I have VM running under RHEL6, which is running under HyperV. It has a lot of important soft installed, but does not have suffocating workload (~10% CPU is used). It's been really unstable recently ...
3
votes
3answers
91 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 ...
3
votes
2answers
565 views
Wireless mouse freezes frequently for a second on laptop, when on battery
I have Samsung NP360E5A-A07PL laptop with ELAN Smart-Pad (ETPS/2 Elantech Touchpad, according to gpointing-device-settings), and a Logitech M195 wireless mouse (with an USB receiver). On Linux ...
1
vote
0answers
73 views
Is there any ARM platform for which high resolution timers are available in mainline (unpatched) kernels?
I currently have some projects using a TS-7400 board, which has a Cirrus Logic EP9302 ARM9 processor. Some of my applications require a 1ms periodic timer, so after lots of struggling I found these ...
4
votes
3answers
177 views
How to list all hardware supported by kernel
I want to see all hardware supported by the kernel in use. For example, if I have the 3.8.x.x version of the Linux kernel, how will I know what hardware is supported there. Tools like lspci, lshw, ...
6
votes
6answers
2k views
How to flash firmware under Linux in practice?
Well, I am feeling too old for jumping through several burning hoops to upgrade several firmwares via the usual vendor-specific way: Download some DOS tools, waste some time creating a (Free-)DOS boot ...
-4
votes
1answer
72 views
Sequence of errors leads to init failure and subsequent kernel panic
We have one Redhat test server installed on Vmware ESXI. And when I boot the server it gave this error.
How to solve this issue because due to this error it doesn't boot.
5
votes
5answers
513 views
Small inexpensive *nix box?
I'd like to learn more about Unix & Linux and would like to set up a little home test server/ headless box. (I'm thinking of compiling from scratch, to learn how that works; either Gentoo Stage II ...
0
votes
0answers
120 views
Ubuntu 10.0.04 Microsoft mouse “extended functions” not recognized
Related to a question still answered:
http://askubuntu.com/questions/240176/mapping-microsoft-mobile-mouse-4000-back-thumb-button
I have a Microsoft-Explorer-Mini-Mouse (which happens to be a good ...
12
votes
3answers
3k views
How can I reserve a block of memory from the Linux kernel?
I have a device that needs a block of memory that is reserved solely for it, without the OS intervening. Is there any way to tell BIOS or the OS that a block of memory is reserved, and it must not ...
2
votes
0answers
170 views
Kernel does not detect Hardware / Software or Hardware fault
I've got more of a basic question for you:
My linux kernel (I tried several here from stock 2.6, 3.2 and 3.5 as well as a custom 3.7.3 one) does not detect my synaptics touchpad - or I'am too dumb ...
4
votes
2answers
902 views
Remove a corrupted file in a Linux system
How to remove a file that is corrupted?
In Linux (Fedora based), when I type: ls -l I get
drwxr-xr-x. 2 dmiller3 dmiller3 4096 Jul 26 13:57 SomeFile
?????????? ? ? ? 4096 ...
4
votes
2answers
649 views
*nix working on eBox 3300
I'm not sure if hardware questions are alright here, I didn't see many. I am trying to install any Linux operating system on an eBox 3300. I am having trouble, and the only thing I have been able to ...
6
votes
5answers
2k views
How to know if /dev/sdX is a connected USB or HDD?
How can I know if /dev/sdX is a local HDD or usb key ? best doing this without root privileges.
OK , udevadm helped a lot:
For local HDD:
udevadm info --query=all --name=sdb | grep ID_BUS
E: ...
2
votes
1answer
398 views
Unclaimed device in lshw
I have added in my computer a PCI Express controler card with 2 USB3 ports and 2 sata3 ports. (http://www.ldlc.be/fiche/PB00121886.html).
The USB ports are working correctly but the HDD plugged in ...
6
votes
2answers
310 views
Overclocking tools in Linux
I am trying to overclock my machine. All the changes are made on the BIOS level, but then one needs to check all the temperatures, voltages, etc and test the stability of the overclock. Most tutorials ...
2
votes
2answers
1k views
Mint 12: Can't Get Synaptics Touchpad Disabled
I have tried everything I can find online (including here) and nothing will stick. The touchpad comes back to life after a few seconds. The Windows driver had a disable-entirely option. I do not ...
1
vote
0answers
57 views
Fprintd - How to customize
I'm making a system based on web technologies, which means that my interaction with hardware is very limited (keyboard/mouse).
I would like to modify/write some code/driver that makes my fingerprint ...
1
vote
0answers
252 views
Fedora 14 graphics issue
I have an HP 3031-et series laptop. My hardware is:
Intel i5 460M 3 GB DDR3 RAM
Graphic Cards: ATI Radeon 5650 HD and Intel HD Graphics
I installed Fedora 14 on my hardware, and after installation ...
3
votes
1answer
181 views
What kind of bad things can happen if I disable APIC (not to be confused with ACPI)?
I'm dealing with some really old point-of-sale machines that run a point-of-sale flavour of SuSE 9. It turns out that its kernel is affected by an old bug that makes USB 2.0 functionality unstable ...
10
votes
3answers
1k views
Detecting headphone connection/disconnection in Linux
I am trying to detect a signal when a headphone is connected or disconnected from the system.
What is the best way to do this?
If there is a special board with drivers, that will be my preferred ...
