The linux-kernel tag has no wiki summary.
0
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1answer
31 views
linux chmod causing crash
I needed to give write permission to file representing GPIO pins,out of curiosity i taught changing permissions of all files/folders,by mistake instead of doing chmod 755 * in the root
I did chmod ...
1
vote
1answer
72 views
“64-bit mode not compiled in” error while compiling Linux kernel
I am building 2.6.18 from CentOS source code.
I'm at the last step to the build process in their instructions but seem to be getting an error that I can't understand.
Instructions I'm following:
...
1
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0answers
38 views
Use initrd as root filesystem for network boot
I'm creating a stand-alone set of netboot images based on a LinuxFromScratch installation (7.0, kernel 3.1.0). I want to deploy that image to many diskless clients, but NFS is in my situation not an ...
1
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1answer
72 views
ZFS distribution in Linux kernel? [closed]
If anyone has a better title for this question feel free to edit
I am wondering about something related to the conflict between CDDL (Sun's license) and the GPL. Mainly pertaining to the reason ZFS ...
0
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0answers
57 views
Huawei 3G USB dongle ( USB error )
I'm trying to connect a Huawei E220 to a linux system (ubuntu on a BEAGLEBOARD ) and get some USB errors,
An error like:
[ 113.291610] usb 1-1: new full speed USB device number 2 using musb-hdrc
[ ...
0
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1answer
74 views
What does this macro mean in linux kernel code?
see i found one config file in which this are macro defined
#
# Input Device Drivers
#
CONFIG_INPUT_KEYBOARD=y
# CONFIG_KEYBOARD_ADP5588 is not set
CONFIG_KEYBOARD_ATKBD=y
# CONFIG_KEYBOARD_QT2160 ...
1
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2answers
306 views
Linux kernel hangs at 'Switching to clocksource tsc" on Pentium 4
Hardware: Dell Dimension 4500S : i845G, Pentium 4, stock + 2GB RAM and latest (circa 2002) BIOS update.
I've been building a Linux system from source, so far it's LFS 7.0 by the book. The first ...
0
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1answer
72 views
VirtualBox Under CentOS vboxdrv not loaded
I am a newcomer with linux. I have a little problem with linux.
Whenever I try to open [start] virtual box, I get this error and do not know how to fix
VERR_VM_DRIVER_NOT_INSTALLED (rc=-1908)
The ...
-2
votes
1answer
62 views
Open a linux port without using iptables in Centos? [closed]
just a quick question, is it possible to open a port on linux Centos without using iptables? If so, how do I do that from the command line?
1
vote
1answer
89 views
Kernel log littered with re-mount attempts because of going to/from battery mode. How do i turn it off?
My boot times became a bit too much so i decided to take a look ad kernel log to see what might be causing the problem..
There i noticed repeating:
12/17/11 02:25:28 PM EXT4-fs (sda6) ...
0
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1answer
51 views
Installed linux-image-686-pae and now my second monitor won't work
I just installed linux-image-686-pae on my Debian system and the PAE kernel effectively increased the memory limit.
However for some reason my dual monitors both show the same image, instead of an ...
2
votes
1answer
47 views
can /usr/src be a sym link?
I want to store all source code of programs I have installed in /usr/src. However, due to size of the drive I made a sym link /usr/src that points to ~/src. That was nice. Unfortunately, that caused ...
1
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1answer
385 views
__modver_version_show undefined error when building linux kernel 3.0.4 version
I tried to build the linux kernel 3.0.4 on ubuntu 11.10 in virtualbox. Here are my steps:
Download the source code
tar xjvf linux-source-3.0.0.tar.bz2
cd linux-source-3.0.0
make menuconfig, changed ...
0
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1answer
322 views
Where to get the network NIC's firmware rtl_nic/rtl8105e-1.fw?
Im installing Debian testing version wheezy on my Asus X53Sc with Intel Centrino Wireless-N 100.
Im having a problem with my wifi connection.
When I try to connect to internet with the wireless ...
1
vote
1answer
78 views
Missing kernel on debian-testing-amd64-DVD-1
I want to install the Debian testing linux version.
But at a certain point of the installation, an error occurs:
Impossible to install kernel. a compatible kernel version is missing.
… or ...
1
vote
1answer
47 views
Oracle Virtualbox on statically compiled kernel
I can't seem to find any documentation on the subject. I'm working on putting together a linux install for a fairly "dirty" environment. Best practice there would be a statically compiled kernel ...
1
vote
1answer
60 views
Sudden machine reboots observed with ipmiutil watchdog timer
Originally raised on serverfault as this question.
I've got a production openSUSE 11.1 2.6.34.4 Intel server with a standard ipmiutil-2.4.1 installed.
The watchdog is basically a 90 second hardware ...
0
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1answer
163 views
L3 cache disabled in Ubuntu 11.04
I have installed Ubuntu 11.04 64bit .. After checking my CPU cache it shows that 3MB cache is disabled. see below :
$ sudo lshw
description: Notebook
product: SATELLITE C660 (PSC1SE-00G009AR)
...
0
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0answers
23 views
“failed to create main reactor” error in linux while starting Siteminder Policy Server
i have installed one application(siteminder policy server R12 Sp3) on linux rhel4 AS machine.
it got installed successfully but when i am starting my application,
its failing to start, its showing ...
0
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3answers
101 views
Can I install Linux on a USB flash drive?
I want to install Red Hat Linux on my flash drive. Is there a way that I can do this?
I tried a lot found through searching, but couldn't get a satisfactory answer. In fact, if I try the same for ...
0
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0answers
156 views
Debian Squeeze, linux-image-2.6.32-5-486: Boot process halts with [<c1003997>] ? kernel_thread_helper+0x7/0x10
I just upgraded an old box from Debian Etch to Lenny, and then from Lenny to Squeeze. Upon getting the system up to Squeeze, I installed the latest 2.6 kernel, linux-image-2.6.32-5-486. When I ...
0
votes
1answer
249 views
How to add ahci module to linux-image-2.6.38-11-virtual kernel?
I just installed Ubuntu 11.04 with the linux-image-2.6.38-11-virtual kernel as a virtual machine in VirtualBox (4.1.2). When I booted the machine after installation, I got this error message:
FATAL: ...
2
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4answers
235 views
Unmounting Detachable devices (eSATA,USB storage) in Linux
A detachable device like eSATA, USB drive can be abruptly removed (by simply pulling the plug).
If there are open file handles on a partition, then this partitions won't unmount, i.e. the Linux ...
0
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1answer
29 views
user not able to access the file which has privilege via group
I am facing the below problem in linux kernel 2.6.18-7.1
I created user "BBC" using adduser -D after this /etc/passwd contains "BBC:x:1010:1010:Linux User,,,:/home/BBC:/bin/sh"
I created group ...
0
votes
1answer
315 views
How can I disable console messages at boot time?
I am using Arch Linux and want to disable console messages which are displayed when the kernel boots. I have tried the quiet and loglevel=2 options in /boot/grub/menu.1st as given below:
kernel ...
3
votes
1answer
57 views
Should I compile the linux kernel in the git repository itself?
This is about common practices. I have a git repository containing the linux kernel. Now I want to build this linux kernel. Should I copy the sources outside the git repository and then build the ...
1
vote
1answer
560 views
How do I set up grub2 with Xen?
I am booting a new Xen kernel and it all goes fine up until some point during the boot process when the machine reboots without warning. Unfortunately, I don't see errors flash up just before that ...
1
vote
1answer
46 views
Building the Linux kernel: compute intensive or disk I/O intensive?
I am trying to explain some results that I got from a recent benchmarking experiment. For that I need to know whether compiling the Linux kernel is a compute intensive task or a disk I/O intensive ...
0
votes
1answer
69 views
Linux kernel compilation taking over 4 GB of temporary disk space
I am trying to compile linux kernel 2.6 and am shocked to see it is taking over 4 Gigs of disk space. It is also taking around 80 minutes to compile. Is it normal ? Or am I doing something wrong ?
...
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3answers
99 views
how does route -n work in linux?
i can understand the strace output of "route -n", but does the command read any of the files in /proc to get the routing table and since routes and ipaddresses are stored in file, why does strace not ...
0
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1answer
205 views
Kernel panic when trying to setup rootfs over NFS on ARM board
Hi I have a ARM board on which i am trying to configure NFS so that the rootfs will be mounted over a network. Please help me on resolving this.
My server configuration:
OS: Scientific Linux 6.0
My ...
0
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2answers
102 views
how to totally clear the filesytem's cache on linux?
In a performance test, I want to bypass the influence of cache of linux system (including page cache/inode cache and so on).
I have tried O_DIRECT flag, but it's turned out that direct I/O is still ...
0
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1answer
177 views
Setting /proc/sys/vm/overcommit_memory to 1 and then exhausting addresses
As I understand it, setting /proc/sys/vm/overcommit_memory to 1 is supposed to make sure malloc always succeeds, and set the OOM killer loose if there's an actual memory problem.
I'm wondering what ...
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0answers
35 views
Unified file system across Windows and Linux for type-2 hypervisor
Is there anyway to map a Windows disk partition( c:/, d:/) to Linux (running as guest on top of Windows host Type-2 hypervisor)?
There are few solution like a shared folder in VirtualBox, however, ...
0
votes
1answer
150 views
Ubuntu is running in low-graphics mode
This error appears during Ubuntu 10.04 start up and I can run in low graphics mode. I tried to install the NVIDIA driver and then it works but when I reboot Ubuntu this error appears:
(EE) NVIDIA(0): ...
0
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1answer
354 views
What's new in Linux 3.0? [closed]
Linus Torvalds just announced that he's releasing version 3.0-rc7. So what's new in Linux 3.0 when it comes to:
Architecture
Stability
Security
Hardware support
etc
1
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1answer
87 views
Out of space while bulding kernel
I am trying to build linux kernel. I am getting out of space after a while. I unpacked it in /usr/src directory. It seems I have plenty of space. Can you please let me know what can be done about it. ...
2
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5answers
523 views
What does “sudo -s” actually do?
I am using ubuntu 10.04.
I notice that after I run "sudo -s" in terminal, the prompt changed from
"XXX@XXX"
to
"root@XXX",
seems it changed to root privilege.
But when I check the ...
0
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2answers
334 views
How to run linux 0.01? [closed]
Possible Duplicate:
Running linux kernel 0.01 in a virtual machine
How can I run Linux 0.01 on my laptop?
If it's possible to run it, could you tell me how? Here you can download the ...
0
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3answers
121 views
PATH is not permanently stored in file
I'm a newbie to Ubuntu. I want to add some variables to my PATH - I am using the following steps:
Open a terminal window.
Type the following commands:
export GOROOT=/home/linux/go/hg
export ...
0
votes
0answers
83 views
New udev rule is ignored
I want to create a udev rule which calls an arbitrary script when plugging in my hard disk.
To add a new rule, I created a file "11-hd.rules" in /etc/udev/rules.d, with the following content:
...
3
votes
3answers
994 views
How do I uncompress vmlinuz to vmlinux?
I have already tried uncompress, gzip, and all other solutions that come up as google results and these have not worked for me.
To get just the image search for the GZ signature - 1f 8b 08 00.
...
1
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0answers
315 views
Setting up a Remote Diskless System
I am trying to setup a PXE Boot server with RHEL 6 and am following these directions.
Has anyone done this successfully?? I am having various issues. I used the rsync command to copy over the ...
2
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2answers
195 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 ...
1
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1answer
94 views
Linux - Whitelist hardware devices
For security purposes, is it possible to have the operating system enforce a whitelist of hardware devices?
This means that plugged in devices that are not in the whitelist will be ignored at an as ...
3
votes
2answers
166 views
Is it possible to boot a consumer i7 system with a Xeon processor and ECC memory?
I have read a couple of blog posts on the Internet that appear to imply one can boot at least some i7 motherboards with unbuffered ECC memory and a Xeon 43xx processor installed.
I can boot my MSI ...
0
votes
1answer
212 views
Linux I2C Communication from Kernel Space
How do you interface with the Linux I2C driver from kernel space? For example, if I had LEDs connected to a GPIO expander on the I2C bus, how would I blink them twice before going down for reset from ...
2
votes
0answers
126 views
Linux kernel 2.6 - layer 7 support?
From what I found on the Internet, Layer7 classifier support is not merged into the current kernel (as of 2.6.39-rc6) and can be achieved with a patch. Is it known when (if ever) the support will be ...
0
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1answer
73 views
Exec Shield patch
The Exec Shield patch was removed from the Debian repositories a few months ago. Where can I download the patch ?
I found this link but files are from 2006: Ingo Molnar link
0
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3answers
98 views
can't use console in Linux
I have some problem with Linux, I switch graphic interface to the console using Ctrl + Alt + Shift + F1, but I can't type anything, every second I receive:
my question is, why can't I type ...
