The main component of most operating systems, the kernel manages most of a computer's communication between hardware and software. Typically, the kernel is the lowest level of abstraction a programmer can have to a resource.

learn more… | top users | synonyms

5
votes
5answers
1k views

Linux equivalent to Mac OS X's fs_usage

Is there a Linux equivalent to the Mac OS X command fs_usage? According to the man page it does the following: "report system calls and page faults related to filesystem activity in real-time". I ...
3
votes
2answers
529 views

How to keep Linux running after hard drive removal?

I am working on an embedded Linux device with a USB hard drive. There is a swap file on this drive. The hard drive may be powered down at any moment before being powered back on few seconds later. ...
0
votes
2answers
988 views

Can't boot in to arch linux - '/sbin/init: Bad Exec Format' followed by kernel panic

I dual boot Windows 7 & Arch Linux. Arch was stable for a while, but then it stopped booting into Arch, saying '/sbin/init: bad exec format'. This is followed by a kernel panic. I'm not really ...
0
votes
1answer
51 views

The functions of a kernel

Because of the popularity of Android, many people wonder about what a kernel is. When people install custom optimized kernels, as improvement or change in performance is not directly noticeable, they ...
0
votes
2answers
457 views

VMWare doesn't work on Fedora 15 after a kernel update via yum

The VMWare software installed on my Fedora 15 machine suddenly doesn't work, which, I think, may be bacause of a kernel update via yum. So I tried to boot from 2 previous kernel versions in the ...
0
votes
1answer
236 views

Installing an older kernel on current distro

I'm currently running Mint 11 with kernel 2.6.38. However, I have hardware that requires an older kernel (2.6.18 or earlier). Is it possible to compile and install an older kernel for use in my ...
1
vote
0answers
30 views

Restricting memory area for linux kernel [duplicate]

Possible Duplicate: Restricting memory area for linux kernel I am running ltib linux on P1022RDK (P1022 Core) platform. I have 512 MB = 0x20000000 memory. I want my linux kernel to use ...
0
votes
1answer
346 views

Is possible to lower power consumption at new Kernel 3.2?

I'm currently using Kernel 3.2, but i'm don't like it's high power consumption. Is there any way to lower it. I'm currently using Arch. But i'm not afraid of gentoo where almost everything gets ...
1
vote
1answer
163 views

Where is config kernel file in ubuntu10.10?

I am trying to follow these instructions http://linuxwireless.org/en/users/Drivers/ath9k_htc and it is telling me to edit my kernel config. I don't know where it is.
2
votes
2answers
202 views

Unlocking My CPU's 64-bit Goodness

I'm expanding my RAID array (Linux software RAID) and have run into what appears to be a hard limit of 16TB on the XFS file system. Poking around on Google seems to indicate that this is a result of ...
0
votes
0answers
45 views

Host computer freezes on kernel loading message. How do I find out why?

My computer freezes on the kernel loading message pretty much everytime the computer has been left off for too long (not sure how long, because its not 100% reproductible.) reseting will mostly go ...
1
vote
1answer
685 views

What's this CS my kernel keeps rejecting?

I'm pretty sure this is being caused by my graphics card (ati r12xx or something) and its crappy Linux driver. I am not asking how to fix this problem. I am simply asking what does this "CS" mean? ...
6
votes
1answer
3k views

How do I analyze excessive Windows kernel mode CPU usage?

My Windows XP machine recently started to semi freeze on me every odd reboot after a few minutes of usage (different programs / no additional prg start at all). Update: I have now managed to get a ...
1
vote
1answer
105 views

Building a linux kernel for hardware I can't physically see

I've got a root server with 1and1 and I'm upgrading to a newer kernel... building it myself. I figured that, as long as I'm going to be compiling it myself, to save compile time and runtime memory ...
2
votes
2answers
851 views

Ubuntu Linux - Can i downgrade my kernel?

I recently upgraded to Ubuntu 11.10 however I noticed a large rise in power consumption when idle and alot more when doing light work. After reading online I found out this is a kernel thing so I was ...
4
votes
4answers
339 views

Home wireless router as a PC

Is it possible to install a small program on a cheap home router that runs a Linux kernel and run it? I mean can I use a router that runs a Linux OS as a small computer to run arbitrary code on it? ...
1
vote
1answer
342 views

SMS via console on Synology NAS

Does anybody know is it possible to send SMS via console on Synology NAS (kernel 2.6.32.12, synology_ppc853x_410). I tried to use gnokii with my old S40 nokia phone. But it seems there is no ...
2
votes
3answers
3k views

Which Kernel version does Ubuntu Install on 11.10?

On a clean install which kernel comes with 11.10? And if possible which other distros have the same or similar one so I can test a hardware failure I keep having on a clean install. Update: I didn't ...
1
vote
1answer
1k views

Number of kernel threads = cores?

I wonder whether or not a systems max kernel threads are determined by how many cores your CPU has. Or is it decided in another way?
3
votes
1answer
2k views

Possible to boot Linux kernel without initrd?

Is it possible to boot a Linux kernel (say 2.6.35) without initrd these days? I seem to remember that this is possible before (early 2.6.x and 2.4). I mean, in theory, if a kernel has all hardware ...
0
votes
1answer
15k views

How to mount an NTFS external hard drive for read/write access in Ubuntu

I'm a Ubuntu (Jaunty Jackalope on a Sheevaplug) user trying to mount an external hard drive formatted NTFS for read/write access. I was hoping to accomplish this through the use of ntfs-3g, but ...
1
vote
1answer
788 views

Where should I put the source files?

I am starting to develop a custom kernel modules, so I have the two related organizational questions: Where should I put all my source files? I keep the sources in home directory now ...
0
votes
1answer
157 views

Possibly infected kernel (odd system process) [duplicate]

Possible Duplicate: What to do if my computer is infected by a virus or a malware? Has anyone seen/or knows anything identical to this: 1515..:19699.exe with a semicolon in the center? ...
0
votes
1answer
694 views

set up routing over two network interfaces

I'm often on my corporate network but also need to be on another network simultaneously. At the moment I have to manually switch back and forth between the two. I'm using ubuntu 10.04. I've come ...
-1
votes
1answer
748 views

Clarification on diagram about OS and user processes

I was looking at different relationships that can exist between an operating system and a user process. I came across the figure below. It shows an architecture where the OS functions execute with ...
2
votes
1answer
432 views

Loading a new kernel in a chrooted environment

Is it posible to load a new kernel while in a chrooted environment. Say I have one linux distro and want to chroot into another and load its kernel
34
votes
2answers
2k views

What is there in an Operating System other than the kernel

As I understand it, the kernel does all the interaction with the hardware, and manages the memory, the I/O devices, etc. So the kernel is doing everything, yet it is just a part of the operating ...
0
votes
1answer
525 views

Cannot add key to kernel keyring

I have an encrypted folder that I want to decrypt (using ecryptfs). I went over all the standard procedures mentioned here. Everything seems to go well (getting passphrase, then adding it a keyring ...
1
vote
1answer
389 views

git fails to clone linux kernel

I tried to clone the linux kernel but it fails with the following output: ... remote: Counting objects: 2134058, done. remote: Compressing objects: 100% (334223/334223), done. Receiving objects: 100% ...
0
votes
1answer
704 views

How to connect HDMI camera to Linux?

In fedora or centos linux is it possible to connect HDMI camera to HDMI capture device ( http://www.blackmagic-design.com/products/intensity/ ). And get the video for playback from Linux? Or still ...
4
votes
1answer
954 views

How do I digitally sign a 64-bit kernel mode driver?

I have a kernel mode driver and I have to install it on 64 bit win 7. It needs to be digitally signed. I digitally signed it using the dseo13b.exe. But when I load the driver I get error in the system ...
0
votes
0answers
116 views

How to make ^T work for the status char under Linux?

I’ve grown really accustomed to the BSD status char, ^T, since I first started using it back at university during the 80s. It didn’t originate with BSD, but came from even older operating systems. It ...
1
vote
1answer
482 views

I/O error while cp from CD to HDD

I'm trying to create a local repo from my RHEL6 disk. Some of the .rpms I'm able to copy, others give me this error: cp: reading 'filename': Input/Output error It's the original RedHat disk, and ...
3
votes
1answer
808 views

How can I display a static image while Debian Linux is booting up?

I need to show a static image with the logo of our department while Debian boots. Is there any easy way or tool to do this? (Any parameter of the kernel maybe?) It doesn't have to be anything fancy ...
0
votes
3answers
3k views

How to solve this driver installation? Bus 001 Device 007: ID 05e1:0b01 Syntek Semiconductor Co., Ltd

I have a camera but i do not have a driver for Linux. So i am trying to install the driver for 05e1:0b01. But its still getting failed. Device plug/unplug shows correctly in /var/log/messages Aug ...
1
vote
1answer
7k views

How do I apply a patch to my Linux kernel?

I am trying to compile the iscsi-target software SCST. It wants me to apply a patch to my Linux kernel in order to allow for certain performance gains. The problem is I still new to Linux development. ...
0
votes
1answer
106 views

How to extract architecture part from kernel naming

I kept bumping into it all the time, only now when I need it I can't find it anywhere! What architecture is the kernel of my machine? 2.6.18-194.el5
2
votes
2answers
1k views

How does 'strace' work?

Recently, I was using mv to move a large amount of files from my hard drive to a flash drive. I forgot to add a verbose flag so I had no idea "where" the move was at and how many transfers remained. ...
10
votes
2answers
5k views

how to know if noatime or relatime is default mount option in kernel?

I was trying to know if relatime or noatime was set on a filesystem, but i didn't found the information, neither in /etc/fstab, neither in kernel boot options. First of all, it seems clear that i ...
1
vote
0answers
63 views

Does Meego use a customized linux kernel or is it vanilla? [closed]

Well, the title is pretty self explanatory I guess. So what is it?
1
vote
3answers
283 views

Ubuntu - removing unused kernels

Overtime with Ubuntu updates the GRUB menu lists a lot of previous Linux kernels and eats a lot of hard-disk space. How can the unused kernels be removed easily?
1
vote
2answers
2k views

nouveau without KMS

I have nomodeset when I boot my kernel, as I want to switch between nouveau and nvidia proprietary drivers within a session. However, nouveau won't load, complaining that kms isn't enabled (xorg.log ...
0
votes
2answers
127 views

OSX: Little Confused on Architecture on Macbook Pro

I'm having issues with interpretting how OSX devices interface with 32/64 bit kernels and architectures. I don't even know how to work this. So maybe someone can help me out. I need to run in a ...
0
votes
1answer
152 views

What to do when you can't find how your device was registered?

Before Linux Kernel 3.0 (2.6.39) I can run the following command: # ifconfig wlan0 up Now I can't. I got an error saying that this device was not found. I've tried to unplug my usb dongle, plug and ...
4
votes
2answers
2k views

How to make bootable USB with Linux Kernel alone?

I would like to boot the Linux kernel alone and run busybox, not including a GUI. How can I do that? How can I make a custom bzImage, initrd.img and how can I change the file structures in that ...
0
votes
1answer
397 views

Squid or Kernel buffer overflow

I am getting this error in squid (which goes away after about 20 seconds but annoys the users to no end) (105) No buffer space available Then if I go to the command line and try and ping I get this ...
0
votes
3answers
1k views

Realtek USB WiFi key module 8712u.ko return “Can't read module (…) : exec format error”

I bought a USB WiFi key, the Hercules HWGUm-54. Apparently, the appropriate driver is the RTL8192SU from Realtek. I downloaded it from their website and extracted it. I then went to the driver ...
9
votes
5answers
3k views

Linux distro with just busybox and bash?

I just want a linux distro that boots fast, has a bash terminal (no gui) and busybox. Is there any such distro or is it hard to compile a kernel and just make one myself?
1
vote
0answers
182 views

Syslogd kernel:code:

While running some experimental Java code which interacts with a MySQL server, I received these messages and then the server crashed: Message from syslogd@localhost at Jun 20 20:04:12 ... ...
0
votes
1answer
233 views

Debian Kernel Versions: 2.6.18-486 vs. 2.6-486

I'm installing Debian etch. The installer asks me which kernels I want, and the reasonable options for my old box seem to be 2.6-486 2.6.18-486 (There are -686 versions, too, but those seem to be ...