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

0
votes
1answer
55 views

Linux-headers and images in Ubuntu after installing vmware-tools

Can I run a dist-upgrade for linux-headers and images in Ubuntu after installing vmware-tools? I ask this because I think vmware-tools also install something like a header and image which could be ...
1
vote
0answers
338 views

Where to get the kernel source directory Kali Linux

This is a branch off of this question: Installing new driver on Linux, missing the 'Build' directory Since the PC has no internet I can not use apt-get to rebuild the kernel and get the ...
1
vote
1answer
249 views

Is it possible to run 64bit kernel on 32bit Linux Mint with NVIDIA drivers?

I have found several forum posts and SE questions (example) where this seems possible, but my attempt has failed. I've tried the following: sudo dpkg --add-architecture amd64 sudo apt-get update sudo ...
0
votes
0answers
276 views

OSX 10.9.5 running very slow

I have Macbook Air having Memory 4 Gb and Intel i5 Processor, it is running very slow as no application is opening and if it opens it freezes and its very hard to work over it , I check the Activity ...
3
votes
3answers
552 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 ...
0
votes
1answer
322 views

Kali Linux will not boot from USB, terminal asks for kernel image

I have been trying to boot Kali Linux from a USB. I have turned the USB bootable with the newest 64 bit Kali ISO and Universal USB Creator or whatever it was called, and it seems to have worked just ...
13
votes
3answers
10k 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 don'...
0
votes
0answers
128 views

ethtool or mii-tool support for kernel 2.6.24

I have a embedded system that has kernel version 2.6.24. I want to use ethtool or mii-tool in this system. I cross compiled ethtool package for powerpc mpc8250 cpu. when i use ethtool, I get ...
8
votes
2answers
4k views

How can I enable kernel crash dumps in Debian?

I want to enable kernel crash dumps for my Debian 5.0.7 machine. The kernel version is 2.2.26 amd64. How can I configure this?
0
votes
0answers
55 views

Copy On Write will stop working with Docker?

I have been using Docker with great pleasure, but there is a question that concerns me and for what I have found not explanations on the Web. In a "normal" GNU-Linux server, executing different ...
0
votes
1answer
34 views

I need to calculate time of booting RPI using Watchdog? Can any one help me please

The boot sequence of the Raspberry Pi is basically this: Stage 1 boot is in the on-chip ROM. Loads Stage 2 in the L2 cache Stage 2 is bootcode.bin. Enables SDRAM and loads Stage 3 Stage 3 is loader....
2
votes
1answer
833 views

Monitor /sys partition for changes

inotify doesnt work on /sys and /proc file systems. So how can I monitor a /sys partition file without polling?
5
votes
1answer
2k views

Stuck on GRUB command prompt after regular kernel update

I am running Debian Wheezy. Update Manager suggest to install kernel update. After update, I reboot system but instead of listing all the kernels (bootloader), it gave me a GRUB command prompt: grub&...
11
votes
4answers
9k 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 ...
0
votes
0answers
154 views

USB drive not getting recognized as scsi device in custom linux kernel

I am facing a slow write speed problem with a USB drive in my custom linux kernel. I suspected to be a hardware problem but with the same hardware and Opensuse 12.1 OS, write speed of my USB drive is ...
1
vote
0answers
27 views

Why does my computer freeze randomly and also power button not respond? [duplicate]

My computer has this serious problem, I turn on the computer and after a random time lapse, it freeze and also the powerbutton not respond, the only thing that works is the reset button (the one that ...
1
vote
1answer
373 views

Fedora 21 Sound stopped working when installing the 4.0.4 kernel

Today I did a yum update as part of my attempts to get my qemu-kvm vm up and running. It appears to have had a side effect I didn't anticipate. Other than qemu itself, the only other thing that ...
-1
votes
1answer
1k views

What extras do I need to maximise battery life on a Linux laptop? (And how to stay current) [closed]

Now, I know that this question has probably been asked 1000 times - but as far as I can tell, the answer seems to change a lot over time. While researching, I came across powertop, pm-utils, tlp, ...
1
vote
0answers
139 views

Embed initramfs into existing kernel

Is it possible to embed an initramfs image into existing kernel without recompiling the whole thing? I don't have resources to do that.
0
votes
0answers
1k views

Rollback Kernel Ubuntu 14.04.2

I have looked at many answers on here but no matter what it doesn't seem to work. Fresh install of Ubuntu 14.04.2, trying to install an older kernel. I only have SSH access no GUI etc. What i have ...
4
votes
1answer
917 views

Who's crashing my kernel?

Symptoms Suddenly, a message saying "A problem in the kernel package has been detected" started appearing after I login upon boot. A new message is shown every second, incessantly (translation below)....
5
votes
1answer
5k views

Why is the System process using 40-60% of CPU power all the time?

TL;DR: ACPI.sys is constantly using lots of CPU power. Virus and malware scans all come back clean Drivers are up to date (GPU, Chipset, USB devices) Possibly important info: This install of ...
0
votes
1answer
968 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 ...
2
votes
0answers
181 views

crypto kernel module not avialable on linux 3.18.11 on Raspberry Pi 2

I'm trying to use dm-crypt on my Raspberry Pi 2 with Raspbian (debian) to open a trueCrypt volume, but i get Required kernel crypto interface not available. Ensure you have algif_skcipher kernel ...
1
vote
1answer
15k 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. ...
2
votes
2answers
3k 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 ...
0
votes
0answers
1k views

OS X Yosemite coreaudiod, identityservicesd and com.apple.geod not responding

Has anyone on here found a comprehensive solution to the problem where coreaudiod is constantly not responding? I also have identityservicesd and com.apple.geod not responding, all the time: every ...
1
vote
0answers
142 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 ...
33
votes
2answers
5k views

Is it possible to compile a Darwin Distro from source, like you can a build a Linux Distro?

I have read through and undertaken Linux From Scratch (and BLFS) and I was wondering, can I follow this guide to create a Darwin Distro by substituting the xnu kernel? Would the process be vastly ...
3
votes
1answer
6k views

The system time has changed kernel-general, off by one day

Random events showing in event log. The system time changes to tomorrow, and then corrects about 10-15 seconds later. Causing all sorts of temproary havoc w/ VPN, Outlook, etc. Any thoughts?
8
votes
0answers
8k views

Perf samples too long, lowering kernel.perf_event_max_sample rate to

My machine freezes from time to time and I can get it working back by pressing the space key. I have this problem since two weeks now, but it was just once per day max. Now it's starting to be many ...
0
votes
1answer
78 views

Kernel Thread that won't exit, Load Average +1

So I have a new server that is up and running with Centos 6, and the load average is stuck hovering around 1, even when the machine is nearly idle. I reviewed the process table and found this running:...
0
votes
0answers
69 views

Broken boot-splash arch linux

Does anyone know why systems sometimes make broken images on boot? I had same problem when I've upgraded my kernel on Ubuntu. Now this problem appears on my Arch laptop as well (fresh install and ...
2
votes
1answer
888 views

How to increase the Kernel memory

I have two Windows Server 2008 R2 machines with the same spec (24G RAM). However, the Kernel memory is quite different: machine 1 has 206M of paged kernel memory and 168M nonpaged. Machine 2 has 998M ...
0
votes
0answers
24 views

How can I debug OSX memory card events

I am trying to get kernel messages for memory card insertion - removal, but i don't get logs. I issue the command "tail -f /var/log/kernel.log" So i need to know how to increase kernel log level to ...
1
vote
1answer
1k views

SELinux issues when adding rules

On my laptop I use Fedora 17 distro for the first time and I'm having some issues adding rules to semodule An example: # grep httpd /var/log/audit/audit.log | audit2allow -M mypol # semodule -i ...
1
vote
1answer
771 views

Broadcom 4360 wireless setup w/ Ubuntu 14.10

I am attempting to set up my wireless adapter, but I can't seem to get the drivers installed properly. OS: Ubuntu 14.10 Motherboard: ASUS X99-Deluxe (wireless adapter is embedded) Adapter: Broadcom ...
18
votes
3answers
14k views

Allow non-root process to bind to port 80 and 443?

Is it possible to tune a kernel parameter to allow a userland program to bind to port 80 and 443? The reason I ask is I think its foolish to allow a privileged process to open a socket and listen. ...
1
vote
1answer
3k views

Not enough host controller resources for new device state

I have a debian mint based system where I plug in 16 usb devices. The Kernal is: 3.11.0-12-generic After about 10 or so devices I start to experience problems with connecting new ones. There error ...
0
votes
2answers
74 views

What does it mean when a kernel terminates a process with status 131?

I am trying to debug an issue where a redis-server process died, and in the syslog I see: Mar 9 23:56:44 ip-10-236-158-228 kernel: [25188369.962457] init: redis1-server main process (2822) ...
0
votes
1answer
43 views

Is there anyway to get driver commands from a windows driver .sys

Is there anyway to Sniff out driver commands for a (.sys)system file driver?
0
votes
0answers
70 views

Where to copy kernel source after kernel is compiled from sources?

On my linux box (Mint 17.1) I compiled the kernel from sources so that I could enable certain things that are not there by default. The kernel compiled fine and the system boots/works just fine. ...
2
votes
1answer
540 views

Win32 and the global namespace

I'm studying Windows NT architecture. I would like to know what is the relation between the "Win32" namespace and the "\Global??" namespace in the nt namespace? As far as i understand the win32 ...
2
votes
3answers
2k views

how is the the linux console displayed to the user and how does the user go about changing the consoles display settings?

I've been searching for the last two days on trying to understand how the console displays itself to the user and how to change the console settings. I've had some luck along the way but nothing that ...
-1
votes
1answer
81 views

Windows XP Kernal Hack?

I have Windows XP 32-bit and have 8 gigabytes of ram, but aparently windows can only "see" 4 gigs of it. I know that there are 'kernal hacks' for OS's such as Vista, 7 and 8, but none for XP. Could ...
6
votes
4answers
2k views

In linux, what would happen to a running program when it's executable file has been modified or deleted?

Let's say /usr/local/bin/ruby is running in the background, and then we overwrite ruby with a different version, or even delete ruby. What will happen to those running ruby processes?
1
vote
1answer
1k views

Wi-Fi not showing up after kernel upgrade from 3.10 to 3.16 in Ubuntu 14.04

I upgraded the kernel in Ubuntu 14.04 from 3.10 to 3.16. My system is a Lenovo G510 59398431. After that the option “enable wifi” in the drop-down of wireless icon on the desktop is not there. Even in ...
1
vote
0answers
2k views

How to understand and debug USB issues with Linux

I’m having an odd problem with a cheap "reverse USB hub" —not sure what the technical name might be— named a Tek Republic TUS-200 USB Sharing Switch. it has one USB port for devices, and ...
2
votes
1answer
175 views

Where is /sys/subsystem as described in Linux kernel doc?

Quote from https://www.kernel.org/doc/Documentation/sysfs-rules.txt: [...] It is planned to merge all three classification directories into one place at /sys/subsystem, following the layout of the ...
0
votes
0answers
283 views

linux kernel starting issue (file system corrupted) on nand flash memory

please look at here for the trace. To make it short : I need a way to erase flash memory (Root file system) on my arm device to be able to install a linux kernel + file system again. So, let me ...