download tài liệu linux
Tài liệu Linux Virtual Server Administration for red hat enterprise linux 5.1 doc
Ngày tải lên :
10/12/2013, 06:15
... Enterprise Linux 5, refer to the following resources:
ã Red Hat Enterprise Linux Installation Guide — Provides information regarding installation of
Red Hat Enterprise Linux 5.
ã Red Hat Enterprise Linux ... should also be
installed and running.
Web Server Port
21
Linux Virtual Server Administration: Linux Virtual Server
(LVS) for Red Hat Enterprise Linux 5.1
Copyright â You need to override this in your ... configuration and administration of Red Hat Enterprise Linux 5.
For more information about Red Hat Cluster Suite for Red Hat Enterprise Linux 5, refer to the
following resources:
ã Red Hat Cluster...
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Tài liệu Linux hay GNU/Linux và cấu trúc nhân Linux pptx
Ngày tải lên :
13/12/2013, 00:15
... GNU /Linux và cấu trúc nhân Linux
I.Tóm tắt lịch sử Linux
Linux hay GNU /Linux?
Khi thì người ta gọi “hệ điều hành Linux , lúc lại gọi là “hệ điều hành GNU /Linux . Lí
do là vì Linux thực ra là phần ... thống con chính của nhân Linux.
Hình 3: Các hệ thống con chính của nhân Linux
III.1Nhân là gì?
Như hình 3, nhân Linux thực ra là bộ quản lý các tài nguyên. Các tài nguyên gồm: các
tiến ... dữ liệu trong một thời
gian ngắn (hoặc đọc trước sao cho dữ liệu luôn có khi cần). Dưới bộ đệm cache là các
driver thiết bị là giao diện của các thiết bị vật lý cụ thể.
Linux hay GNU/Linux...
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Tài liệu linux-basic doc
Ngày tải lên :
13/12/2013, 22:15
... khác.
Qun tr H thng Linux - C bn
1
TÀI LIU ÀO TO
QUN TR H THNG LINUX
Tài liu này đc biên son theo tài liu ging dy ca Vin Linux
(LPI)
HÀ ... /etc/fstab cng đc dùng đ tr giúp cho các kt gán tài nguyên thi
gian thc. Ví d:
Chng trình mount s đc /etc/fstab và quyt đnh tài nguyên (hoc đim kt
ni) nào s đc s dng ... thng Linux - C bn
24
DMA (Direct Memory Access channels)
Là các kênh truyn d liu cho phép thit b thao tác trc tip lên b nh h
thng mà không phi thông qua CPU.
Lit kê các tài...
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Tài liệu Linux IO Port Programming pptx
Ngày tải lên :
22/12/2013, 10:15
... about the parallel port IRQ if you don't use it.)
Linux I/O port programming mini−HOWTO
4.2 Measuring time 7
Table of Contents
Linux I/O port programming mini−HOWTO 1
Author: Riku Saikkonen ... port 9
7. Hints 9
8. Troubleshooting 9
9. Example code 10
10. Credits 11
Linux I/O port programming mini−HOWTO
i
Linux I/O port programming mini−HOWTO
Author: Riku Saikkonen <Riku.Saikkonen@hut.fi>
v3.0, ... design software for Linux, there is a free X11 application called
Pcb that should do a nice job, at least if you aren't doing anything very complex. It is included in many Linux
distributions,...
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Tài liệu Linux Shell Basic pptx
Ngày tải lên :
22/12/2013, 13:17
... Bất kỳ shell nào cũng đọc lệnh từ người dùng (bàn phím hoặc chuột) và bảo cho Linux Os những gì mà
người dùng muốn. Nếu chúng ta cho một lệnh từ bàn phím thì nó được gọi là...
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Tài liệu Linux Device Drivers-Chapter 1 :An Introduction to Device Drivers ppt
Ngày tải lên :
24/12/2013, 01:17
... to Device Drivers
As the popularity of the Linux system continues to grow, the interest in
writing Linux device drivers steadily increases. Most of Linux is
independent of the hardware it runs ... places in your system,
including the directory /usr/src /linux, as a file called COPYING.
Third-party and custom modules are not part of the Linux kernel, and thus
you're not forced to license ... you are looking for testers for a new
driver.
The central gathering point for Linux kernel developers is the linux- kernel
mailing list. All major kernel developers, from Linus Torvalds on...
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Tài liệu Linux Device Drivers-Chapter 2 : Building and Running Modules pptx
Ngày tải lên :
24/12/2013, 01:17
... include /linux and include/asm inside the kernel
sources (usually found in /usr/src /linux) . Older distributions (based on libc
version 5 or earlier) used to carry symbolic links from /usr/include/linuxand ... replace all of
your tools (gcc, ld, etc.) with another set of tools (for example, m68k -linux-
gcc, m68k -linux- ld). The prefix to be used is defined as
$(CROSS_COMPILE), either in the make command ... load a newer revision of your module.
Resource Allocation in Linux 2.4
The current resource allocation mechanism was introduced in Linux 2.3.11
and provides a flexible way of controlling system...
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Tài liệu Linux Device Drivers-Chapter 3: Char Drivers docx
Ngày tải lên :
24/12/2013, 01:17
... file_operations structure to
access the driver's functions. The structure, defined in < ;linux/ fs.h>, is
an array of function pointers. Each file is associated with its own set of
functions ... an object to act on itself. This is the first sign of
object-oriented programming we see in the Linux kernel, and we'll see more
in later chapters.
Conventionally, a file_operations structure ... function, as the list
later in this section shows.
The file Structure
struct file, defined in < ;linux/ fs.h>, is the second most important
data structure used in device drivers. Note that a...
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Tài liệu Linux Device Drivers-Chapter 4 : Debugging Techniques pptx
Ngày tải lên :
24/12/2013, 01:17
...
}
exit(0);
}
setconsole uses the special ioctl command TIOCLINUX, which implements
Linux- specific functions. To use TIOCLINUX, you pass it an argument that
is a pointer to a byte array. ...
arg\n",argv[0]); exit(1);
}
if (ioctl(STDIN_FILENO, TIOCLINUX, bytes)<0) {
/* use stdin */
fprintf(stderr,"%s: ioctl(stdin,
TIOCLINUX): %s\n",
argv[0], strerror(errno));
exit(1); ... returns a list of the currently loaded modules.
/proc is heavily used in the Linux system. Many utilities on a modern Linux
distribution, such as ps, top, and uptime, get their information from...
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Tài liệu Linux Device Drivers-Chapter 5 : Enhanced Char Driver Operations pptx
Ngày tải lên :
24/12/2013, 01:17
... the O_NONBLOCK flag in
filp->f_flags. The flag is defined in < ;linux/ fcntl.h>, which is
automatically included by < ;linux/ fs.h>.
The flag gets its name from "open-nonblock,'' ... processor issues an
exception. Exceptions in kernel code are turned to oops messages by every
Linux kernel up through 2.0.x; version 2.1 and later handle the problem
more gracefully. In any ... structures involved in wait queues
and how they are used by processes.
Figure 5-1. Wait queues in Linux 2.4
A quick look through the kernel shows that a great many procedures do their
sleeping...
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Tài liệu Linux Device Drivers-Chapter 6 : Flow of Time pptx
Ngày tải lên :
24/12/2013, 01:17
... according to the value of HZ,
which is an architecture-dependent value defined in < ;linux/ param.h>.
Current Linux versions define HZ to be 100 for most platforms, but some
platforms use 1024, ... Operations":
A queue element is described by the following structure, copied directly
from < ;linux/ tqueue.h>:
struct tq_struct {
struct tq_struct *next; /* linked list
of active bh's ...
driver can use only three of them, described in the following list. The queues
are declared in < ;linux/ tqueue.h>, which you should include in your
source.
The scheduler queue
The scheduler...
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Tài liệu Linux Device Drivers-Chapter 7 : Getting Hold of Memory doc
Ngày tải lên :
24/12/2013, 01:17
... lookaside cache functions were introduced in Linux 2.1.23, and were
simply not available in the 2.0 kernel. Code that must be portable back to
Linux 2.0 should stick with kmalloc and kfree. ... justifies using a lookaside cache, but there can be exceptions;
the USB and ISDN drivers in Linux 2.4 use caches.
Linux memory caches have a type of kmem_cache_t and are created with
a call to kmem_cache_create: ... smaller and easier to deal with.
kmalloc and kfree have remained essentially constant between Linux 2.0 and
2.4. Access to high memory, and thus the __GFP_HIGHMEM flag, was
added starting...
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Tài liệu Linux Device Drivers-Chapter 8 :Hardware Management docx
Ngày tải lên :
24/12/2013, 01:17
... /dev/short0
to another processor) in a particular order. Linux provides four macros to
cover all possible ordering needs.
#include < ;linux/ kernel.h>
void barrier(void)
This function tells ...
Although playing with scull and similar toys is a good introduction to the
software interface of a Linux device driver, implementing a real device
requires hardware. The driver is the abstraction ... picture by showing you how a driver can access I/O
ports and I/O memory while being portable across Linux platforms.
This chapter continues in the tradition of staying as independent of specific...
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Tài liệu Linux Device Drivers-Chapter 9 :Interrupt Handling Although doc
Ngày tải lên :
24/12/2013, 01:17
...
hardware device isn't enough; a software handler must be configured in the
system. If the Linux kernel hasn't been told to expect your interrupt, it will
simply acknowledge and ignore ... share interrupt lines with other drivers, as we will see. The following
functions, declared in < ;linux/ sched.h>, implement the interface:
int request_irq(unsigned int irq,
void (*handler)(int, ... interruptis simply a signal that the
hardware can send when it wants the processor's attention. Linux handles
interrupts in much the same way that it handles signals in user space. For the
most...
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