So, you want to write a kernel module. You know C, you've written a few normal programs to run as processes, and now you want to get to where the real action is, to where a single wild pointer can wipe out your file system and a core dump means a reboot.
kernel Modules are pieces of code that can be loaded and unloaded into the kernel upon demand. They extend the functionality of the kernel
Another improved version of the Nvidia proprietary video driver for the Linux, FreeBSD and Solaris open source operating systems was made available by the Nvidia Corporation on January 8th, 2009. The major feature brought by the Nvidia 180.22 display driver is the initial support for Linux kernel 2.6.28 and for the following GPUs: Quadro FX 2700M, GeForce 9400M G, GeForce 9400M, GeForce 9800 GT, G
One method of tuning involves adjusting the settings in your BIOS. Because the BIOS is not Linux and every BIOS seems different, always read your motherboard manual for better possible settings and make certain that all the drives are detected correctly by the BIOS. Change only one setting at a time.Linux does provide a limited means to interact with BIOS settings during the boot process (mostly o
È stato annunciato in questa settimana il rilascio della versione 2.6.27.8 del Kernel Linux, ultima versione stabile del Kernel Linux.
È possibile scaricare la nuova versione da questo indirizzo: linux-2.6.27.8.tar.bz2 (48 MB).
Il Changelog si trova a questa pagina.
DevTeam’s very own planetbeing announced yesterday that the Linux 2.6 kernel was successfully ported for Apple’s iPhone and iPod touch platforms. Introducing, iPhone Linux!! It’s the beginning of a real alternative operating system. Currently, it’s only a first rough draft and there are many drivers missing. But it’s a start… They do not have wi
It was a matter of time for linux dev-hackers to have their favorite OS into the iPhone, this times has come and we are excited. Let’s hope Apple doesn’t break it in the next update, instead a formal support will be welcomed…
Take a look a what is available now:
- Framebuffer driver
- Serial driver
- Serial [...]
Yesterday, November 27th, the Ubuntu developers discovered yet another security issue (actually, more than one) in the Linux kernel packages. These vulnerabilities affect the following Ubuntu distributions: 6.06 LTS, 7.10, 8.04 LTS and 8.10 (also applies to Kubuntu, Edubuntu and Xubuntu). The truth is that there are exactly nine (yes, 9) security issues (see below for details), therefore, it is st
After, 30th October 2008 Ubuntu 8.10 release a regression was discovered in Linux kernel version 2.6.27 packages.Details about Linux kernel regressionVersion 2.6.27 of the Linux kernel changed the order of options in TCP headers. While this change was RFC-compliant, it was found that some old routers and consumer DSL modems would not route traffic for these systems when TCP timestamps were enabled
È stata rilasciata in questa settimana la versione 2.6.27.5 del Kernel Linux, ultima versione stabile del Kernel Linux.
È possibile scaricare la nuova versione da questo indirizzo: linux-2.6.27.5.tar.bz2 (48 MB).
Il Changelog si trova a questa pagina.
L'aggiornamento del sistema operativo ubuntu dalla versione 8,04 Hardy Heron LTS (Airone Audace) alla versione 8,10 Intrepid Ibex è un processo molto semplice e piuttosto veloce. Questo non significa che però non ci sia la possibilità di incorrere in qualche errore o bug del sistema, soprattutto nei primi giorni di pubblicazione della nuova versione. Nel mio caso il passaggio al kernel linu
È stata rilasciata in questa settimana la versione 2.6.27.4 del Kernel Linux, ultima versione stabile del Kernel Linux.
È possibile scaricare la nuova versione da questo indirizzo: linux-2.6.27.4.tar.bz2 (48 MB).
Il Changelog si trova a questa pagina.
/usr/sbin/kctune is the administrative command for HP-UX kernel tunable parameters. It gives information about tunable parameters and their values, and makes changes to tunable values.To list all tunable paramters : # kctuneTunable Value Expression &n
È stata rilasciata in questa settimana la versione 2.6.27.3 del Kernel Linux, ultima versione stabile del Kernel Linux.
È possibile scaricare la nuova versione da questo indirizzo: linux-2.6.27.3.tar.bz2 (48 MB).
Il Changelog si trova a questa pagina.
Esta semana houve várias actualizações ao Linux Kernel, recomenda-se sempre a utilização da ultima versão estável de cada ramo do kernel:
Linux 2.6.25.19: [Estado: Estável]
Correcções de bugs
Mais informações
Linux 2.6.26.7: [Estado: Estável]
Correcções de bugs
Mais informações
Linux 2.6.27.3: [Estado: Estável]
Correcções de bugs
Mais informações
Linux 2.6.28-rc1: [Est
Product DescriptionIn order to thoroughly understand what makes Linux tick and why it works so well on a wide variety of systems, you need to delve deep into the heart of the kernel. The kernel handles all interactions between the CPU and the external world, and determines which programs will share processor time, in what order. It manages limited memory so well that hundreds of processes can shar
Esta noticia al igual que la anterior Fedora 9 avaluado en US $10.800 Millones, cuantifica de cierta manera el trabajo de los hackers detrás de Linux mediante SLOCCount, y dice que el Kernel Linux ya supera los 10 Millones de líneas de código, esto tomando en cuenta los espacios en blanco, los comentarios y archivos de texto. Ahora bien si utilizamos SLOCCount para contar las líneas de código
El kernel de Linux ha superado las 10 millones de líneas de código, que por cierto, incluyen líneas en blanco, comentarios y demás, pero en si son 6,399.191, y desarrolladas en C y Assembler. Desde la versión 2.6.20 hasta la 2.6.27 el número de líneas ha aumentado en más de un 16%. Impresionantes datos. Y [...]
Theodore Ts’o, desenvolvedor responsável pelo desenvolvimento e documentação do sistema de arquivos Ext4, sucessor do sistema Ext3, padrão da maioria das distribuições, renomeou a implementação do sistema no kernel de “ext4dev” para “ext4”.Como mostra a figura, a ferramenta gráfica Gitk mostra que a árvore de Linus Torvalds não usa mais a nomenclatura ext4dev, mas ext4.A a
È stata rilasciata il 18 Ottobre la versione 2.6.27.2 del Kernel Linux, ultima versione stabile del Kernel Linux.
È possibile scaricare la nuova versione da questo indirizzo: linux-2.6.27.2.tar.bz2 (48 MB).
Il Changelog si trova a questa pagina.
Dark_AleX has released his 1.50 kernel add-on for older PSP “fat” units (PSP-1000’s) that are running 5.00 M33. This update allows PSP fat users to run older 1.50 kernel homebrew.For this update you’ll need to download firmware 1.50 which can be found here(1.50 Kernel add-on for 5.00 M33 (PSP fat only) : Here
Já foi lançado a primeira actualização para o ramo do Linux Kernel 2.6.27.x. Esta actualização só inclui uma correcção de bug que consiste em desactivar o CONFIG_DYNAMIC_FTRACE que podia chegar a uma corrupção de memória no e1000.
Pode ler o comunicado oficial e mais algumas informações no LWN.net.
Artigos Relacionados
Linux Kernel 2.6.27
Linux faz 17 anos
Linux Kernel 2.6.26.3 [..
Já foi lançado a versão final da tão esperada versão 2.6.27 do Linux Kernel. Esta nova versão inclui um novo sistema de ficheiros (UBIFS) optimizado para armazenamentos baseados em flash, melhoramentos de performance, melhorado o suporte a câmaras de vídeo, suporte à serie Intel wireless 5000 e placas de rede RTL8187B, um novo driver ath9k [...]
È stata rilasciata oggi la versione 2.6.27 del Kernel Linux, ultima versione stabile del Kernel Linux.
È possibile scaricare la nuova versione da questo indirizzo: linux-2.6.27.tar.bz2 (48 MB).
Il Changelog si trova a questa pagina, i cambiamenti introdotti con questa versione sono indicati anche a questa pagina.
Já foram lançados hoje duas novas versões do Linux kernel. O Linux Kernel 2.6.25.18 e o Linux Kernel 2.6.26.6. Ambas contém várias correcções de bugs distribuídos pelo kernel. A versão final do Linux Kernel 2.6.27 está praticamente pronto a sair e talvez será lançado na próxima semana.
Como sempre, é recomendado que actualize o mais rápido [...]
"This list is not for the faint of heart. It is designed for people who have some experience with the kernel and are interested in participating in the development of the kernel."
On UWSG.IU.edu:
- Description
- Archive
O time de desenvolvimento do XNU não perdeu tempo em se atualizar o kernel para quem não utiliza o vanilla 10.5.5.Tão rápido quanto a Apple lançou a versão 10.5.5, o XNU-Dev portou-o. A versão 9.5 do kernel já foi portada e está em testes nesse momento. O próximo beta para o Voodoo será baseado no 9.5 (atualmente a versão beta 1 é baseada no 9.4).
DownloadAtualmente os testes com vers
Slashdot: Linux chromatic writes Kernel hackers Arjan van de Ven and Auke Kok showed off Linux booting in five seconds at last month s Linux Plumbers Conference. Arjan and other hackers have already improved the Linux user experience by reducing power consumption and latency. O Reilly News interviewed him about his work on improving the Linux experience with PowerTOP, LatencyTOP, and Five Second B
Title: The State of Kernel Mode-Setting @ Phoronix
Direct Link:
Summary: “Earlier this year Fedora 9 was the first distribution providing kernel-based mode-setting (or KMS for short). At the time there was only a kernel mode-setting driver for Intel hardware and it ended up being disabled by default. We had provided a preview of kernel-based mode-setting [...]
Hugh Pickens writes "Professor Avishai Wool has unveiled a program to watch for malware on servers with a modification to the Linux kernel. 'We modified the kernel in the system's operating system so that it monitors and tracks the behavior of the programs installed on it,' says Wool. Essentially,...
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Linus has released 2.6.27-rc8. "This
one should be the last one: we're certainly not running out of regressions,
but at the same time, at some point I just have to pick some point, and on
the whole the regressions don't look _too_ scary." It is worth
noting that the e1000e corruption problem...
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Following the release on Tuesday of details about debates and decisions at this year's Kernel Summit, LWN.net has now reported on the second and final day of the conference. Linus Torvalds, Andrew Morton, and some 80 other important and nearly all male kernel developers discussed their approaches to the further development of Linux and exchanged experiences. Like the LWN.net articles covering the
L’8 settembre è stata rilasciata la versione 2.6.26.5 del Kernel Linux, ultima versione stabile del Kernel Linux.
È possibile scaricare la nuova versione da questo indirizzo: Linux Kernel 2.6.26.5 (47.2 MB).
Il Changelog si trova a questa pagina.
With Debian Lenny you can update to the 2.6.26 kernel, but in VirtualBox support for this version is not ready. A kernel panic will not allow the system to boot into a stable state, therefore for the time being users must retain use of 2.6.24. One major drawback is that there are no headers for [...]
Já foram lançados hoje três novas versões do Linux kernel. O Linux Kernel 2.6.25.17, o Linux Kernel 2.6.26.4 e o Linux Kernel 2.6.26.5. Os dois primeiros contém várias correcções de bugs e a ultima versão como podem ver é do mesmo ramo que o da penúltima, mas devido a um problema de build na sua [...]
Solución al problema "PCI:cannot allocate resource region 1 of device 0000:00:14.0" en chisep SB600 en asus M2A-VM que imposibilita instalar el kernelTodo sucedia cuando tenia debian con kernel 2.6.24, que posteriormente actualice a 2.6.25, después de casi un mes salio la nueva version del kernel con integracion de harware: que debido a icompatiblidades con la en ACPI con este kernel es necesari
È stata rilasciata due giorni fa (il 20 Agosto) la versione 2.6.26.3 del Kernel Linux, ultima versione stabile del Kernel Linux.
È possibile effettuare il download della nuova versione da questo indirizzo: Linux Kernel 2.6.26.3 (47.2 MB).
Il Changelog si trova a questa pagina.
Já foram lançados duas novas versões do Linux kernel. O Linux Kernel 2.6.26.3 e o Linux Kernel 2.6.25.16 contém ambos variadas correcções de bugs.
Como sempre, é recomendado que actualize o mais rápido possível para as ultimas versões de cada ramo do kernel de modo a que fique livre de alguns bugs e mais seguro dos [...]
When GRUB hands over the process to the SUSE Linux kernel, it leaves the scene. The kernel now takes charge, putting up the message Uncompressing Linux...; it is present and available to you until you shut down the system. While the kernel boots, SUSE Linux puts up a nice blue wallpaper to hide all the boring text that scrolls by as the kernel initializes first your peripheral hardware, then the h
If you’ve had the same Ubuntu installation for a while and have just been upgrading to newer releases, you may have noticed that a lot of older kernel versions are piling up in your grub menu and on your system.How to remove older kernels from Ubuntu :This can be done by using the Synaptic Package Manager, however I will show you how it is done on the command line.First, find out what kernel you
Linux Kernel can be compiled in a machine for a different architecture. This is useful in fixing compilation issues for different architectures without actually using them.
Using ARCH option, the target architecture can be specified. It is also possible to specify the cross-compile toolchain through CROSS_COMPILE and specific compiler using CC options.
Example:
To compile the kernel for a 64-bit
Já foram lançados duas novas versões do Linux kernel. O Linux Kernel 2.6.25.15 e o Linux Kernel 2.6.26.2 contém ambos variadas correcções de bugs.
Como sempre, é recomendado que actualize o mais rápido possível para as ultimas versões de cada ramo do kernel de modo a que fique seguro com os ataques de hoje em dia. [...]
It is possible to build Linux Kernel using Kernel source in a read-only location like CD/DVD media, remote server which can only be read, etc.
To achieve this, pass as a parameter the location where the built Kernel image is to be placed.
make O=/home/mylogin/kernels/linux-2.6.26/
Make sure that you pass all other required parameters to Make while building Kernel.
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Just see below action taken,im lazy to type more words today.
[root@Cel202 bin]# uptime
12:37:35 up 25 min, 1 user, load average: 0.03, 0.06, 0.05
[root@Cel202 ~]# lssg
sg0 0,0,0,0 HP Ultrium 2-SCSI K470
sg1 0,0,1,0 HP Ultrium 2-SCSI K470
sg2 0,0,2,0 HP Ultrium 4-SCSI H44S
sg3 0,0,3,0 HP Ultrium 4-SCSI H44S
sg4 1,0,0,0 HP Ultrium 2-SCSI K710
Recently Greg Kroah Hartman showed some very interesting Linux kernel development stats. I decided to do some too and the result are 5 cool things you probably didnât know about the kernel code ;-) These arenât anything Iâve seen so far about the kernel.
Recently Greg Kroah Hartman showed some very interesting Linux kernel development stats. I decided to do some too and the result are 5 cool things you probably didnât know about the kernel code ;-) These arenât anything Iâve seen so far about the kernel.
Uma versão estável do Linux Kernel 2.6.25.12 já foi lançado hoje ao público. Esta nova versão contém cerca de 40 correcções para variados tipos de problemas. Qualquer utilizador que utilize o ramo 2.6.25 do kernel é recomendado que actualize para esta nova versão o mais rápido possível.
Para obter mais detalhes sobre esta actualização aponte o [...]
Syser Kernel Debugger is designed for Windows NT Family based on X86 platform. It is a core-level debugger with full-graphical interfaces and supports assembly debugging and source code debugging. Syser Kernel Debugger is able to debug Windows applications and Windows drivers. Syser Kernel Debugger perfectly combines the functions of IDA Pro, Softice and Ollydbg, which makes operations easier and
You should be root when running any of the below mentioned commands.
First go to the below link and find the latest kernel version. Currently its - linux-2.6.26
Download it using wget
# wget -2.6.26.tar.gz
And copy it under /usr/src
# cp linux-2.6.26.tar.gz /usr/src
Go to this directory
# cd /usr/src
And extract the kernel from the compressed
Pues resulta que ya tenemos la nueva versión estable del kernel de linux. Ya vamos por la versión 2.6.26.
Como siempre, la nueva versión corrige fallos de seguridad y nuevas mejoras.
Aquí teneis el changelog y la descarga del código.
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Hallo,pfff so langsam schwillt mir der Kamm. Ich habe mich mal wieder an die Installation von VMware Server gesetzt weil ich die Programme in der VM so langsam wirklich brauche. Vor ein paar Monaten habe ich das Spiel aufgegeben als nach einem Update auf eine neuere VMware Version die vmmon Geschichten nicht funktionierten und auch die any-any Patches nichts halfen. Jetzt ist es der selbe Spaß wi
È stata rilasciata nei giorni scorsi la versione 2.6.26 del Kernel Linux, ultima versione stabile del Kernel Linux.
È possibile scaricare la nuova versione da questo indirizzo: Linux Kernel 2.6.26 (47.2 MB), o da questo indirizzo: Linux Kernel 2.6.26 (59.7 MB).
Il Changelog si trova a questa pagina. I cambiamenti in questa versione sono elencati in questa [...]
Depois de nove release candidates e de cerca de 87 dias do ultimo grande lançamento do kernel (2.6.25), a versão final do Linux Kernel 2.6.26 já foi lançada.
O Linux Kernel 2.6.26 traz-nos novidades como:
Melhoramento do suporte a webcams.
Inícios ao suporte ao futuro standard wireless 802.11.
Memory tester integrado.
Suporte para o OLPC.
Suporte a x86 PAT (Page Attribute [...]
Add panic=10 to the kernel command line to reboot with 10 seconds of a kernel error. Be careful with this when setting up new kernels.
It’s possible to change it later with sysctl, or by writing to /proc:
# echo 10 > /proc/sys/kernel/panic
To make it permanent, edit /etc/sysctl.conf and add the below line:
kernel.panic = 10
`sysctl -p` to load the conf file and make permanent.
Microsoft has released a security advisory to announce that an update is available for the Kernel Patch Protection feature that is included with x64-based Windows operating systems. Kernel Patch Protection protects code and critical structures in the Windows kernel from modification by unknown code or data. This update adds checks to this protection for increased [...]
Update for Windows Kernel fails to play all that with Windows Vista Service Pack 1 cause of the operating system to restart randomly. Microsoft informed that KB932596, update designed to improve protection in Kernel Patch 64 - bit versions of Windows client and server operating systems, in fact is responsible for scenarios in which x64 versions of Vista SP1, Windows Server 2008 and Windows Server
È stata rilasciata nei giorni scorsi la versione 2.6.25.9 del Kernel Linux, ultima versione stabile del Kernel Linux.
È possibile scaricare la nuova versione da questo indirizzo: Linux Kernel 2.6.25.9 (46.4 MB).
Il Changelog si trova a questa pagina.
The previous post explained how computers boot up right up to the point where the boot loader, after stuffing the kernel image into memory, is about to jump into the kernel entry point. This last post about booting takes a look at the guts of the kernel to see how an operating system starts life. Since I have an empirical bent I’ll link heavily to the sources for Linux kernel 2.6.25.6 at the
moin, wie kann ich das bootmenue aendern, denn jedes mal wenn ein neuer kernel installiert wird, kommen zwei neue eintraege hinzu, ohne dass die alte18 Vote(s)
Unas interesantes estadísticas del Kernel Linux, extraídas de la presentación de Greg Kroah Hartman, el desarrollador a cargo del driver de USB.
¿Que hay detrás del Kernel de Linux? ¿Quiénes lo mantienen?
Los datos realmente impresionantes, quisiera saber si Microsoft se acerca un poco.
9.2 Millones de líneas de código, se incrementa 10% cada año.
El Kernel en sí [...]
Linux is a clone of the operating system Unix, written from scratch by Linus Torvalds with assistance from a loosely-knit team of hackers across the Net. It aims towards POSIX and Single UNIX Specification compliance. It has all the features you would expect in a modern fully-fledged Unix, including true multitasking, virtual memory, shared libraries, [...]
Die Sicherheitsexperten von Secunia melden eine Sicherheitslücke in alle aktuellen Linux Kernel 2.6.x vor Version 2.6.26-rc6:
Durch einen Begrenzungsfehler in der Funktion „pppol2tp_recvmsg()“ können über gezielte Manipulation von "PPP over L2TP" Datenpaketen Angreifer unter Umständen bestimmte Bereiche des Linux Kernel Speichers korrumpieren und ein System zum Absturz bringen.
Die Siche
Question: How can I get my Linux server rebooted/restarted automatically if it caught a kernel panic?
Answer: As you might know, kernel panic is an action taken by an operating system upon detecting an internal fatal error from which it cannot safely recover; the term is largely specific to Unix and Unix-like systems (it’s a wiki’s [...]
Linux is a clone of the operating system Unix, written from scratch by Linus Torvalds with assistance from a loosely-knit team of hackers across the Net. It aims towards POSIX and Single UNIX Specification compliance. It has all the features you would expect in a modern fully-fledged Unix, including true multitasking, virtual memory, shared libraries, [...]
E’ stata scoperta ieri una falla che affligge il Kernel 2.6.24-17 di Ubuntu 8.04 e le rispettive versioni specializzate.
Tramite questa falla è possibile causare un crash del sistema. Questo problema però è già stato risolto dagli sviluppatori, con il rilascio del Kernel 2.6.24-18, quindi state tranquilli!
Sometimes, it requires us to build only a module within the Kernel. In that case, we wish to build only that module instead of the whole Kernel sources. The Linux Kernel build system allows us to build a specific directory. Pass the directory path to make. To build the network drivers, run
make drivers/net
But to have module objects to be built, run
make M=drivers/net
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Microsoft officially broke the silence on Windows 7 today on its official Windows Vista Team Blog by publishing information on the changes in the kernel, compatibility and why they had stayed silent all this time. Chris Flores stated that the silence on Windows 7 was very much intentional and will be the new approach to publishing information on products in development as they believe this will i
Contrary to some speculation, Microsoft is not creating a new kernel for Windows 7. Rather, we are refining the kernel architecture and componentization model introduced in Windows Vista. . .
Linux Kernel is the essential part of Linux, responsible for resource allocation, low-level hardware interfaces, security, simple communications, and basic file system management.
Download: Linux Kernel 2.6.26 RC 4 (59.43 MB)
While building the Linux Kernel in a multiprocessor environment, running "make" will enable single compiler to use single processor. Linux Kernel build system provides a way (through an option to the Makefile) which enable faster building by making use of multiple processors in a multiprocessor system.
Use the "-j" option along with a number specifying the number of parallel compilations. Choose
Dua hal yang banyak diinginkan para komunitas Linux adalah driver dan kemudahan akses driver. Sekarang, hal pertama akan segera terkabul, dan hal kedua sedang dicari solusinya. Untuk hal pertama, Dell membantu para komunitas Linux dengan membuat sebuah project Linux yang bernama Dynamic Kernel Module Support (DKMS). Project DKMS di buat untuk menciptakan sebuah framework di mana kernel dependent m
We have some urgent opening for Technical Professionals at our Hyderabad division. Job Profile: This position is responsible for all facets of Research and Development for a specific product and/or...
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"The driver is implemented as a loadable module. In the init_module() routine five kernel threads are created. This kernel threads sleep one second, wake up, print a message and fall asleep again"
SCS.ch
Slashdot Linux Corrado writes "There is a big discussion going on over removing a bit of non preemptable code from the Linux kernel. 'As some of the latency junkies on lkml already know commit 8e3e076 in v2.6.26 rc2 removed the preemptable BKL feature and made the Big Kernel Lock a spinlock and thus turned it into non preemptable code again. "This commit returned the BKL code to the 2.6.7 state of
If you want to know what is kernel oops:
An oops is a deviation from correct behavior of the Linux kernel which produces a certain error log. The better-known kernel panic condition results from many oops, but others may allow continued operation with compromised reliability.
When the kernel detects a problem, it prints an oops message and kills any offending process. The message is used by
As it was planned Fedora 9 (codename "Sulphur") is released today. As for me it wasn't such expected as Ubuntu Hardy Heron but it is still very important event in Open Source world. So, here is the list of new features in this version of RedHat sponsored Linux distribution:
[...]
Linux Kernel is the essential part of Linux, responsible for resource allocation, low-level hardware interfaces, security, simple communications, and basic file system management.
Download: Linux Kernel 2.6.25.3 (43.0 MB)
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