checking and modifying the linux kernel

... NINH MẠNG ATHENA Bis Đinh Tiên Hoàng, P Đa Cao, Q.1, TP.HCM Tel: (84-8) 38244041 – 0989012418 www.athena.edu.vn Bài Lab 6: Compiling the linux kernel 1/ Kernel module: - Xem version kernel lệnh: ... insert - Chú ý: phải remove theo thứ tự ngược lại - Liệt kê module lại để kiểm tra 2/ Compiling kernel: - Download source kernel từ trang kernel. org - Để biên dịch kernel, cần cài C compiler Xem ... initrd đưa vào /boot/  Với việc biên dịch kernel, với kernel có lỗi khác (Vì source kernel không đúng) Tùy theo tình phán đoán, có sửa chữa file C source kernel Biên soạn: Nguyễn Trí Thức – Lưu...

Ngày tải lên: 29/09/2013, 20:20

... ideas and features In this respect, Linux is comparable with the other Unix-like operating systems Reading this book and studying the Linux kernel, therefore, may help you understand the other ... while the CPU is running a kernel control path with the interrupts enabled The first kernel control path is left unfinished and the CPU starts processing another kernel control path to handle the ... private stack, data, and code areas When running in Kernel Mode, the process addresses the kernel data and code area and uses another stack Since the kernel is reentrant, several kernel control paths—each...

Ngày tải lên: 21/12/2013, 11:15

... ideas and features In this respect, Linux is comparable with the other Unix-like operating systems What you read in this book and see in the Linux kernel, therefore, may help you understand the other ... If the kernel is able to answer quickly, the device controller will be able to perform other tasks while the CPU handles the interrupt 24 Understanding the Linux Kernel Now let's look at kernel ... a development kernel At the time of this writing, the current stable version of the Linux kernel is 2.2.14, and the current development version is 2.3.51 The 2.2 kernel, which is the basis for...

Ngày tải lên: 25/03/2014, 10:52

...  The variable $? contains the return code of the previous executed command or application Success ≠0 Failure  The exit n command will cause the script to quit and assign the value of n to the ... Aug /usr/bin/passwd The Saigon CTT  Redirecting Input and Output  Sometimes the output of a command is a list (ex: ls) and we wish to execute another command on each of the entries, use xargs ... The Saigon CTT  Objectives  Identify differrent Linux shell environments  Understand the redirection of input  Understand and utilize command substitution  Write and configure...

Ngày tải lên: 24/06/2013, 01:25

... as root and type the command: xf86config Figure 5.1 shows the beginning of the xf86config dialog As you can see, xf86config is a text-mode program; it does not support use of the mouse and it ... uncompress the file and ae or another text editor to view it  Viewing the monitor's manufacturer's web support page  Posting a question to the newsgroup comp.os .linux. setup  Contacting the monitor ... a RAMDAC Otherwise, type the number associated with the RAMDAC used by your card and press Enter Determining the correct number may pose a bit of a puzzle The descriptions given in the screen...

Ngày tải lên: 07/11/2013, 10:15

... between the userspace and the kernel, and which are talked about in several other chapters 12 Chapter Netlink Sockets Chapter discusses the roles of the Linux kernel networking subsystem and the ... with the implementation of the Linux Kernel Networking stack and the theory behind it You will find in the following pages an in-depth and detailed analysis of the networking subsystem and its ... returns the family id as well as other information, such as the operations the family supports Then the userspace can send commands to the kernel specifying the family id that it got in the reply...

Ngày tải lên: 05/04/2014, 14:20

... have the answer you need: the Debian FAQ and the Linux FAQ • The Linux Documentation Project is the center of the most complete and up−to−date Linux related documentation available; see if there ... of Linux and related software, as assembled and repackaged by these companies or organizations (see section Linux Resources on the Web) The core of the distributions are the same−−they're all the ... in the console you can press and hold ALT and then type the second key just as you would with a CTRL key sequence • So to type M−c with the ALT key, press and hold ALT, press the C key, and then...

Ngày tải lên: 28/04/2014, 17:09

... contradiction that the constant factor in the reverse of 3.1 is not the best possible Thus the theorem is proved By the same way of Theorem 3.3, we still have the following theorem Theorem 3.4 By the assumptions ... we have the reverse of 2.10 and 3.3 It is ¨ easy to obtain the reverse of 3.2 In view of the reverses of 3.2 and 3.3 , we obtain the reverse of 3.1 On the other hand, suppose that the reverse ... where the constant factor π is the best possible Zeng and Xie 11 also give a new inequality in the whole plane By applying the method of 10, 11 and using the way of real and complex analysis, the...

Ngày tải lên: 21/06/2014, 05:20

... TΩ,h and φ,Ω by Ω The investigation of the L p -boundedness problem of the operator TΩ began with ´ Calderon and Zygmund in their well-known papers [7, 8] The operator Tφ,Ω,h , whose singular kernel ... intervenes here in the proof of Theorem 1.3 is the maximal operator φ,Ω defined in (1.6) (γ) The study of the maximal operator φ,Ω began by Chen and Lin in [10] and subsequently by many other authors ... improved the result in Theorem 1.4 as described in the following theorem 4 Boundedness of maximal and singular operators (γ) Theorem 1.5 [1] Let n ≥ and let Ω be given as in (1.6) Then (γ) (a)...

Ngày tải lên: 22/06/2014, 22:20

... by the C expression representing that operand A colon separates the assembler template from the first output operand, and another separates the last output operand from the first input operand ... executing These are collectively known as exceptions, and the handlers for them are the subject matter of Chapter 11 The other main source of interrupts is hardware devices attached to the computer Handlers ... delivering these signals to the process The signal handler itself is user-level code, and so to actually run it the kernel must temporarily drop into user mode and then return to kernel mode...

Ngày tải lên: 06/07/2014, 15:32

... by the C expression representing that operand A colon separates the assembler template from the first output operand, and another separates the last output operand from the first input operand ... executing These are collectively known as exceptions, and the handlers for them are the subject matter of Chapter 11 The other main source of interrupts is hardware devices attached to the computer Handlers ... delivering these signals to the process The signal handler itself is user-level code, and so to actually run it the kernel must temporarily drop into user mode and then return to kernel mode...

Ngày tải lên: 06/07/2014, 15:35

... into the memory, and it then loads the second and third sectors into the memory consequently Comment Note: All BIOSs are stored in the ROM on the mainboard, and they are quite different The main ... (BOOTSEG), the new address of Bootsect (INITSEG), the address of the kernel (SYSSEG), the end address of the kernel (SYSEND), and the number of the root file system device (ROOT_DEV) These are ... the segment descriptor in the protected mode It is important to the OS and for process scheduling Now, the kernel does not really run, and there is no process either Thus, the first item of the...

Ngày tải lên: 19/11/2015, 15:03

... Server and click Properties Click the Access tab Click the Authentication button and make sure Anonymous Access and Integrated Windows Authentication is enabled Click the Relay button and make ... sandra@company1.com and sandra@company2.com But in SAM, they will both have the same user name, sandra, so one of them must be renamed to something else (if we don’t want them to read each other’s emails) ... clicking the server name in the left pane and then click New domain in the right pane Remember to set the properties before you add the domain Click on your domain (ilopia.com in my case) in the left...

Ngày tải lên: 27/08/2012, 09:34

... 2DMESH by: a) specifying the four corners of the mesh b) entering the M and N sizes The 3DMESH values M and N can be between and 256 A 3DMESH is a single object The command can be activated: a) ... values of 12, 24 and 36 and add a ruled surface between the other lines and arcs Note: a) The system variable SURFTAB1 controls the display of the ruled surface effect, i.e the number of ‘strips’ ... referred to the MVLAY2 and MVLAY3 tabs In general most of the future exercises will be completed with the MVLAY1 tab active, i.e the traditional four viewport configuration The other layout and model...

Ngày tải lên: 27/08/2012, 14:31

... Menu-based kernel configuration n Kernel patching n Generating kernel documentation CS591 (Spring 2001) Summary n n n n Linux is a modular, UNIX-like monolithic kernel Kernel is the heart of the OS ... 2001) linux/ kernel n n n n n The core kernel code sched.c – the main kernel file”: n scheduler, wait queues, timers, alarms, task queues Process control: n fork.c, exec.c, signal.c, exit.c etc… Kernel ... information and writes a boot sector and block map files used during boot start _kernel is Linux “main” and sets up process context before spawning process (idle) and process (init) The init()...

Ngày tải lên: 12/09/2012, 14:40

... [ext3] Biên dịch lại Kernel Tại phải compile lại kernel Cập nhật phiên kernel Thêm tính năng, module Bỏ bớt tính không cần thiết Kernel cũ Tạo Custom Kernel Tạo processor-specific kernel tận dụng ... tận dụng hết tính CPU Các bước compile kernel Cấu hình kernel make config: Cấu hình kernel module dòng console make menuconfig: Cấu hình Kernel Modules theo giao diện Menu make xconfig: sử dụng ... cho kernel Các bước make dep make make bzImage make modules make install make modules_install make xconfig Cấu hình LILO Sau complie lại kernel, ta cấu hình LILO để hệ thống boot lại dùng kernel...

Ngày tải lên: 05/11/2012, 14:37

... b and p is that one has the voice sound and the other has not Most of the other consonants also stand in pairs We may say that the sonant consonant and its corresponding surd are the hard and ... LETTERS AND SOUNDS We must begin our study of the English language with the elementary sounds and the letters which represent them Name the first letter of the alphabet -a The mouth is open and the ... a hard sound as in the, than, bathe, scythe, etc., and a soft sound as in thin, kith, bath, Smith, etc Contrast breathe and breath, lath and lathe; and bath and baths, lath and laths, etc S has...

Ngày tải lên: 07/11/2012, 15:59

... falls somewhere on the spectrum between repetitive and unique Projects are unique, and the more unique they are the more difficult they are to manage At the extreme end of the scale, research ... a success The difficulty, however, exists in their relationship to one another The term equilibrium sums up the challenge: The quality of the product we create depends on the time and money we ... understand the overall goals of the firm and ensure that all projects support these goals Resource planning: Projects are prioritized and chosen with the knowledge that the firm has limited people and...

Ngày tải lên: 07/02/2013, 09:32

... Most of them seemed too closed, to be friendly and warmhearted, and welcome us They told us everything they did in Vietnam and they thought about Vietnam in their travels Therefore, they helped ... time Therefore, they spend more time and money for travelling, and for relaxing in some Southern Eastern Asian countries: Thailand, Singapore, Laos, Cambodia, and Vietnam And the reason why the ... about Vietnam tourism, what they hope and what they see? Then, teachers and students may know clearly about the fact of tourism in Vietnam It will help students have the right acknowledge about...

Ngày tải lên: 25/04/2013, 15:42

... to the kernel The Saigon CTT  Kernel Version Numbering  Kernel version numbers are made by three basic components: - The major number - The minor number - The micro number (patch number) There ... command *  Boot with new kernel and observe The Saigon CTT  LILO and Boot Options  LILO command options See #man lilo  Boot options See #man lilo.conf and go to KERNEL OPTIONS” category The ... obtain and apply the latest patch for the kernel to be sure you have the most up-to-date patched support  To find out what kernel you are running : # uname -r The Saigon CTT  Recent Kernel...

Ngày tải lên: 24/06/2013, 01:25