General :: How Installers Detect Hardwares
Dec 22, 2010
We know that each OS has it's own installer which takes care of installation process. The first step in any installation process is detecting the system platform architecture and hardwares such as CPU, RAM, VGA, Mouse, Keyboard, Hard Disk,... so it can act based on system configuration and do a clean install, now my question is: "How an installer can do this for the first time?".
I another word: "How lspci/hwinfo/prtconf/kudzu/... can gather those amount of information about hardwares?" (Yes! all of these commands will read some files for gathering those informations! but I need to know who and how created those files)
1- Note that, if we have a binary which compiled for a X86 architecture then it won't work on a Sparc system!
2- OpenSolaris can do that!
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Mar 10, 2011
Any idea how one can accomplish this? Oh, and is there a GUI tool that can help with the process?
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May 18, 2010
i want to know the list of hardwares compatible with upuntu linux. or related website address.
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Jan 18, 2011
I would like to know if provisions for cryptographic algorithms, especially things like digital signature of packages/applications etc are a native feature of any linux package installer/package manager.
Another question is: Do all linux based systems natively support cryptography? if yes, what engines do they use? Do they all use openssl or do they use high level java based engines like Harmony(Apache) or Bouncy castle?
I have an ubuntu 10.10 and I know openssl support is already provided. However I want to know if any system level program actually uses it or not.
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Jan 7, 2010
Such as here [url] this is the debian installer with a kernel 2.6.26 for squeeze.
Where are the archive on debian.org for those boot.img.gz images, with all different distro / kernels?
[url]
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Aug 17, 2011
how could i automate the audit of computer's hardwares present in network?
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Jun 27, 2011
I would like to get driver source code and list of supported hardware for CentOS.If one can get (some of) these from CentOS-5.6-x86_64-bin-DVD-1of2.iso, where or how could I get?
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Oct 27, 2009
I have a Biostar TA785GE which as I understand it, has a Realtek 8111DL on-board.
Booting with F11 32-bit DVD, and the F12 Live CD crashes before any user input, with indecipherable text on-screen (text mode, not X11).
Symptoms were the same with the Fedora 11 32-bit installation DVD, the Fedora 12 Live 32-bit CD and the CentOS 64-bit install DVD.
Booting with "linux text" mode (w/CentOS DVD) shows a kernel panic in ":r8169:rtl8169_init_one+0x369/0x9d4" from "pci_device_probe+0x100/0x180". I'll have to shutdown again to try the Fedora CD/DVDs, but if there's a different panic I'll post that tomorrow.
Disabling the on-board NIC allowed the boot to proceed, and get as far as detecting the hard drive partitions (where I stopped it since Ubuntu is installed).
Ubuntu 9.04 Workstation(Desktop?) install DVD worked fine, and I've installed it and am using it to enter this.
From Ubuntu 9.04 on this hardware: "uname -r" shows
Code:
Code:
Code:
Code:
So, my question: if I disable the NIC and install (alongside Ubuntu), will I be able to get the 8111DL working with a Fedora kernel?
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May 29, 2011
I've installed Squeeze 2.6.32-5-amd64 on my laptop (Alienware M17X R3, Intel i7 Sandybridge, ATI Technologies Inc Broadway [ATI Mobility Radeon HD 6800 Series])The screen is 17", with maximum resolution of 1920 x 1080. After a default install of the operating system, the maximum resolution I can select is 1280 x 1024.My research so far has suggested that I need to edit the /etc/X11/xorg.conf file and provide xorg with the necessary resolution.
Again, by default, the xorg.conf file is not created. This leads me to believe that xorg is scanning my hardware at startup and providing me with whatever it thinks is appropriate. I tried following these instructions to generate an xorg.conf file. This process created an xorg.conf file under /root/.
When I copy this xorg.conf file to /etc/X11, I get a blank (i.e. black) screen. Deleting this file restores the default resolution 1280 x 1024.This system is dual booting with Windows 7. Under windows I am able to get a 1920 x 1080 resolution, so I know my hardware is up to it.At this stage I have yet to install the drivers for the Radeon graphics card.What are my options regarding configuring xorg to give me a higher screen resolution?
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May 2, 2010
I have a new F12 install, and my syslog is filling up with messages about USB. I have 2 USB devices plugged in directly to the mobo (bluetooth keyboard receiver, touchscreen), and it keeps redetecting them and then disabling the port for some reason.
A small sample of what keeps on repeating:
Quote:
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Jan 12, 2010
Code...
To find the appropriate firmware without knowing the make or brand of your wireless chip, you can use the command:
#fw-detect
But apparently debian package do not offer this useful tool, well, certainly for sidux exclusively.
Is there a package of fw-detect eventually?
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Feb 13, 2010
Red Hat installation cd doesn't detects hard disk in my laptop. Earlier I was using Ubuntu 9.10 and it worked well.
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May 13, 2010
i have a problem, to get a picture on my tv over VGA (and also over S-Video to SCART). I've tried it first over xorg, but without success. After that i tried xrand, but xrander detect only my laptop display, here the output
bufka [~] $ xrandr -q
Screen 0: minimum 1680 x 1050, current 1680 x 1050, maximum 1680 x 1050
default connected 1680x1050+0+0 0mm x 0mm
1680x1050 50.0* 51.0 52.0
My video card is Nvidia Geforce 8600M GT, TV is LG M227WPD and OS Ubuntu Lucid...
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Sep 10, 2010
I have a Toshiba Dynabook 2010 laptop and I want to install DSL linux on it.The problem is when I boot with DSL Linux there is no hard drive named /dev/hda1 and fdisk -l command does not return.How can I overcome this problem?And I could only boot into DSL if I use the nofstab as a kernel parameter.when I boot with fstab then kernel panic will occur.
I again checked, now there is a /dev/hda but my hda should contain two ext3 partitions.But the problem is the kernel doesn't recognize them.I got debian in my Had disk too.The problem is debian can recognize these two partitions.
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Mar 7, 2011
Do you know a way to know what's up at boot time?? Before that the sistem is ready to "be used" there are some "errors" I would like to solve. Besaides, the "/var/log/boot" file is empty.
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Jul 7, 2010
im having trouble in installing dual os in my laptop. i'm currently running in windows 7, how come I can't detect my internal harddrive. when i tried to install Linux the external harddrive was recognize.
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May 13, 2011
I got a new Canon LiDE 110 scanner. It's a very cheap device but the important thing is that it is listed as "completely supported" in the SANE site. I had to compile the latest SANE from sources, but I have no problems with compiling from sources, and now everything runs from the version in /usr/local/... The problem is that "scanimage -L" doesn't detect the scanner. I also don't see any scanners under /dev/... I think it might help if I pass the scanner device with the -d option to scanimage but I don't know how to find out what the device file of it is.
This is what I see with lsusb:
Bus 005 Device 004: ID 1c4f:0003 SiGma Micro
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 007: ID 04a9:1909 Canon, Inc.
Bus 001 Device 003: ID 046d:080f Logitech, Inc.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
The scanner is on Bus 001 Device 007.
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Feb 22, 2011
How would i detect the ip address from where the reboot command been given to linux host.
My linux host details are as below.
Code:
# lsb_release -a
LSB Version: :core-3.1-ia32:core-3.1-noarch:graphics-3.1-ia32:graphics-3.1-noarch
Distributor ID: EnterpriseEnterpriseServer
Description: Enterprise Linux Enterprise Linux Server release 5.2 (Carthage)
Release: 5.2
Codename: Carthage
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Jul 13, 2010
i'm using Fedora 13 with wireless card: Intel 622 ANHMW i'm testing the roaming quility under F13, if i set 3 ap's with same SSID "51g" and different channel "1" "6" "11" I can roaming from ap's when the strength of ap is less than 50%(maybe) but if the strength of ap1 is greater than 70%(maybe) ,
i can't roaming to another ap2 although the laptop just put beside ap2
1. can i set some files that indicate what strength F13 will detect another ap ?
2. when the ap's strength less than a value, it take about 30's or more to detect & transfer from weak ap to strength ap, does that situation normal? or how to speed up the ap's roaming?
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Jan 22, 2011
I have a 3in1 Epsonsx415, the printing part works perfectly but Ubuntu 10.10 will not detect the scanner.
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Jan 31, 2011
I'm installing Debian 5.0.8 on a Dell Latitude E6410 using the network install x86 CD.
Unfortunately, it won't detect my Ethernet adapter. Specifically, I get the error: No Ethernet card was detected. If you know the name of the driver needed by your Ethernet card, you can select it from the list.
lspci shows: 00:19.0 Ethernet controller: Intel Corporation Device 10ea (rev 05)
That should correspond to the e1000e driver. But, if I select it from the list, the install CD still fails to detect it.
Ubuntu 10.10 and Windows 7 are able to use this device with no problem.
Does anybody know what I can do to make Debian use/recognize my ethernet adapter?
Edit: Additional Info:
I think this is an Intel 82577LM Gigabit Ethernet chipset. If I switch from the graphical installer to the console and run lsmod, I see e1000e with a use count of 0.
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Apr 28, 2011
I am using ubuntu 10.04 on a desktop PC. I have connected my 17" Dell LCD monitor with webcam (using the monitor's USB cable).
Ubuntu does not detect the webcam at all (I tried Skype and Cheese, both say no device found). (The monitor webcam works fine in Windows).
How do I make the webcam work?
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Jun 23, 2011
I want to be able to time how long I spend in front of a terminal. I'm thinking the best way will be to have some sort of timer that starts and stops when the terminal gains/loses focus. And it will have to work with multiple terminals...
I'm using GNOME.
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Mar 3, 2009
I have custom software that writes to a sensitive large file when the user does something. I would like to make backup copies of The file that gets written to, but if I make a gzip of the file at the same time someone is changing something, it will corrupt the backup because some of the data will be missing, as its backed up during being written to.
a) Is there a way to detect if a file is currently being accessed/written to?
That way if its currently being accessed, I can just make the script wait until its done and then finally back it up.
b) Instead of backing up the large file while it has potential to get written to, would it be better to make a copy of the file first, then gzip the copy? This idea comes from the fact that gzipping the original takes 5-10 seconds, whereas making a copy only takes 1-2 seconds. The less time, the less chance of corruption.
c) Is there anyway to freeze a program or a file to stop it from being written to for an amount of time?
With a, b, and c together. The best solution I have to my problem would be a script that first detects rather the file is being accessed. If not, it would then freeze the file/program and then make a quick copy of it. Once the copy is created, it will unfreeze the original file/program and then go about gzipping the copy.
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Jan 30, 2011
I would like to detect that with openbox (i avoid xscreensaver) and do manually xset dpms off for the screen.
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Feb 21, 2011
What i am trying is to check the file duplication in a folder and remove a file if it is a duplicate of another file ie the contents are duplicate; but names may be same.
Basically i am using md5sum to calculate the md5sum values of each file and redirecting to a file. And i am thinking of comparing the md5sum values.But i am finding it hard to decide how to complete the code after redirecting the output of calculation of md5sum to a file.
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Sep 15, 2010
I added new hard drive on a machine running linux redhat linux 5 and I need to define and format this drive to be usable.
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Feb 17, 2010
my asus lappy always freezes and not responding when loading fedora 12,is it caused by hardware problem or bugs?can i detect hardware problem through installing any software in fedora?
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Mar 25, 2010
I am attaching a LTO-3 tape drivce into my RHEL5 linux machine. Every time i used to restart my machine to detect the tape drive is there any way to rescan the buses to detect the newly attached scsi devices. In solaris "devfsadm" and "iostat" is there. I need the same kind of thing in linux.
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Jun 8, 2010
I have just install Redhat Enterprise Linux5, 2.6 kernel,Foxconn motherboard,model 45GMX-V but Linux did not detect the Onboard LAN card.Although when i use winxp it detects the card as RTL8139/810x.
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