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.

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Make grub keep its default boot under kernel updates

I dual-boot my machine and I want it to default to boot into windows so that whenever I restart the machine remotely from my home it will be able to get back into Windows (instead of Ubuntu). The ...
9
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0answers
398 views

How does rebooting a computer work? [duplicate]

Possible Duplicate: How does a computer restart itself? How does a computer's reboot command actually work? How is the computer told that it shouldn't stay down after powering off, and ...
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5answers
14k views

How to add a new kernel to grub2

How can we add a kernel to grub2? i knew the stuff we could do with the former versions, but it seems to have changed. What files should we edit?
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2answers
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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 ...
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3answers
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Kernel NTFS driver vs NTFS-3G

A more comprehensive phrased question since I lost access to the other one. I would ask that the other one be deleted, not this one, as it should not have been migrated in the first place. There are ...
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1answer
291 views

Getting console message: ipc_kmsg_copyout_header: can't grow user ipc space. Any Mac OS X kernel gurus in here?

Ever since upgrading from Mac OS X 10.6.5 to 10.6.7, my computer has started locking up frequently (usually at least once every couple of days). I will get the spinning pinwheel and the system will ...
3
votes
4answers
448 views

Does 'urandom' share the same entropy of 'random'?

Does the entropy pool /dev/random used the same to /dev/urandom? I want to mknod /dev/random 1 9 to replace the slow random, I think the current entropy is randomly enough, if urandom is based on ...
2
votes
1answer
1k views

why does my Mac keep crashing?

(I will have to do this fast, since I think my mac will crash again.) My Mac keeps crashing. It started happening since I installed Adobe Acrobat Pro (since then I have removed it), but it might be ...
2
votes
3answers
1k views

Running linux kernel 0.01 in a virtual machine

I'm just trying to know if is there is a way to run the first version of linux in a virtual machine. Since I am very new to this, my aim is to learn something basic on how the first version of linux ...
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2answers
2k views

How to force Mac to into dirty shutdown state on every power off?

As Far as I can tell no one has actually solved this debacle. How do you get a mac mini to power on every time the UPS it is connected to restores power? It is easy enough to have the UPS communicate ...
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2answers
1k views

After installation of new drivers, Ubuntu won't boot into graphics mode

Here's what I did: At first I had nvidia drivers from 195 series installed from Ubuntu repositories and everything worked fine. I used system for some time, settled into it and have some data I don't ...
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4answers
5k views

Killing wininit.exe shuts down Windows

When I kill wininit.exe, Windows 7 suddenly shuts down. Can someone explain this using Windows mechanics? I feel like this might because the process provides something important, or this might be a ...
8
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6answers
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Why does my Mac OS X 10.6 kernel run in 32-bit mode?

I have a MacBook Pro (5,1) with 4GB of memory running 10A432 - but it's running the 32-bit kernel. Any ideas why it wouldn't be running in 64-bit mode, and how I can get it to do so?
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2answers
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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 ...
6
votes
2answers
27k views

How to disable IPv6 on Debian Wheezy?

I know there's a wiki entry http://wiki.debian.org/DebianIPv6#How_to_turn_off_IPv6 that shows how to disable IPv6 in Debian Squeeze, but that's a 2.6.* kernel. What about 3.2.* kernels running ...
9
votes
4answers
11k views

How do I know if my linux kernel is running in 32bit or 64bit?

When I do a cat in /proc/cpuinfo it shows a line with clflushsize : 64 Does this mean my kernel is running in 64 bits?
4
votes
2answers
3k views

Where's windows kernel file?

What computer file contains windows kernel? is it seen in task manager process list? if not, why?
4
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3answers
523 views

Pipe kernel messages to another process as they occur

I have an OLED screen on my laptop that I have configured to show status information. The current driver I have installed in Linux for it is able to display messages by sending them to a script as an ...
3
votes
2answers
5k views

Macbook Pro Kernel IO errors - Freezes, Extremely slow Boot

Having kernel IO errors in the console, extremely slow boots, and reproducible freezes. Tech Specs: Macbook Pro Early 2008 4 GB ram 500 GB Seagate Momentus XT HDD/SSD hybrid drive (installed late ...
7
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1answer
2k views

What is and how to increase the maximum number of usb devices?

I'm wondering what is the maximum number of USB devices the Linux kernel can manage? Does this depend on the root-Hub or something else, too? Is there a way to increase this maximum number? I need ...
2
votes
1answer
2k views

Debian wheezy frequent random crash

I have a fresh install of the debian testing distro with gnome-shell 3.4 and it crashes daily. By crash I mean, the sound keeps repeating itself, keyboard and mouse is unresponsive, and my only ...
2
votes
3answers
13k views

Windows Kernel Name\Version?

Mac OS X has the Darwin 10.6.0 Kernel, and Ubuntu has the Linux 2.6 Kernel, so in Windows what is it called?
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3answers
313 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?
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3answers
268 views

Wine and Kernel Access

My knowledge on the topic is rather limited, but does one have Kernel access/the general ability to change programs at run time whilst running Wine? For Clarification: Can the user of the computer ...
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vote
1answer
2k views

Fixing X11's startup Errors by Xorg.conf or modprobe

I am using Ubuntu Live CD to get an access to the broken Ubuntu after running a few Linux Kernel Magic commands without knowing completely what I did. I mounted the system to Live CD. I need to ...
0
votes
1answer
137 views

in which kernel version CONFIG_IP_NF_MATCH_OWNER appears?

In which kernel version CONFIG_IP_NF_MATCH_OWNER key appears? I dont see it while make mennuconfig on 3.2.28 that I am trying to compile for my ubuntu 12.04 (3.2.0 - default kernel version).
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2answers
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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
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1answer
55 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
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1answer
788 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 ...
0
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4answers
247 views

Install linux 2.6.33 kernel [duplicate]

Possible Duplicate: Linux kernel 2.6 installation on blank computer I'm new to Linux. I have just downloaded the linux kernel 2.6.33 form http://www.kernel.org I want to use that on my ...
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votes
1answer
553 views

how to install 'version.h' in ubuntu ?

Just now , I try to install the Jungo WinDriver in the Ubuntu 13.10 . But I am puzzled by the its manual of how to Install version.h : Install version.h: The file version.h is created when you ...