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the definitive guide to the xen hypervisor

the definitive guide to the xen hypervisor

... network device here is the same irrespective of the real networking card Xen provides a simplified interface to these devices, which is easy to implement for people porting systems to Xen There are three ... provide two protection levels In these cases, the hypervisor lives in the privileged mode and both the kernel and userspace applications are moved out to the same unprivileged level Fortunately, ... if they want to use them; if a device advertises its presence in one part of the XenStore tree, other guests must know to look there if they want to find a device of this type As such, there are...

Ngày tải lên: 06/07/2014, 15:31

307 327 0
the definitive guide to the xen hypervisor

the definitive guide to the xen hypervisor

... network device here is the same irrespective of the real networking card Xen provides a simplified interface to these devices, which is easy to implement for people porting systems to Xen There are three ... provide two protection levels In these cases, the hypervisor lives in the privileged mode and both the kernel and userspace applications are moved out to the same unprivileged level Fortunately, ... if they want to use them; if a device advertises its presence in one part of the XenStore tree, other guests must know to look there if they want to find a device of this type As such, there are...

Ngày tải lên: 06/07/2014, 15:34

307 394 0
Tài liệu Đề tài " Logarithmic singularity of the Szeg¨o kernel and a global invariant of strictly pseudoconvex domains " docx

Tài liệu Đề tài " Logarithmic singularity of the Szeg¨o kernel and a global invariant of strictly pseudoconvex domains " docx

... of the Bergman kernel and its analogy to the Szeg¨ kernel Then we derive some microdifferential equations o satisfied by these kernels 3.1 A relation between the local Bergman and Szeg¨ kernels ... that the theorem states the reproducing property of the kernel on microdifferential operators In particular, we see that the uniqueness statement of the theorem follows from that of the generating ... of the main theorems Now we are ready to prove the main theorems We first note that the theorems can be reduced to the ones in the real analytic category by approximations The key fact is that the...

Ngày tải lên: 16/02/2014, 05:20

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Báo cáo hóa học: " Research Article On the Performance of Kernel Methods for Skin Color Segmentation" pot

Báo cáo hóa học: " Research Article On the Performance of Kernel Methods for Skin Color Segmentation" pot

... introduced to balance the margin and the losses in their respective problems, whereas σ represents in both cases the width of the Gaussian kernel Therefore, these parameters are expected to be dependent ... higher face detection performance than a 3-layer Multilayer Perceptron (MLP) when an adequate kernel function and free parameters are used to train the SVM The best tradeoff between the rate of ... detector in one space, there exists another optimum skin detector that performs exactly the same in the transformed space Therefore, results of skin detection reported in literature for different...

Ngày tải lên: 21/06/2014, 20:20

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Nghiên cứu biến dạng đàn hồi của hợp kim thay thế AB xen kẽ nguyên tử C

Nghiên cứu biến dạng đàn hồi của hợp kim thay thế AB xen kẽ nguyên tử C

... ri N r r r r = TN + Te + Vee ( r ) + VNN R + VeN r , R , ( ) ( ) (1.1) r Ở đây, TN, Te toán tử động hạt nhân electron, Vee ( r ) , r r r VNN R ,VeN r , R toán tử tương tác electron, hạt ( ) ( ) ... r r r r tương ứng P1 ,P2 , ,Pn Ne electron có tọa độ r1 , r2 , , rNe , có spin tương ứng s1, s2,…,sNe Hamiltoniên hệ có dạng: r r Ne PI2 Pi e2 Z I Z J e2 Z I e2 H =∑ +∑ + ∑ r r + ∑ r r −∑ r r ... (1.5) cho hàm φ X , R χ R , ta có r Te + Vee ( rr ) + VeN rr , R    φ Xr , Rr = E − TN r r φ X,R r Vế phải (1.6) hàm R nên ta viết r r r r Te + Vee ( rr ) + VeN rr , R  φ X , R = ε R φ   (...

Ngày tải lên: 12/04/2016, 07:57

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Compiling the linux kernel

Compiling the linux kernel

... www.athena.edu.vn Bài Lab 6: Compiling the linux kernel 1/ Kernel module: - Xem version kernel lệnh: - Dùng lệnh lsmod để liệt kê module kernel: - Dùng lệnh modinfo để xem thông tin module: - ... để remove module vừa 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, ... cho dịch vụ telnet sau: - Restart service Xinetd - Thử telnet vào máy 192.168.36.230 => Không telnet ta cấu hình chặn (no_access) file (/etc/xinetd.d/krb5telnet) - Kiểm tra log file Biên soạn:...

Ngày tải lên: 29/09/2013, 20:20

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Tài liệu Understanding the Linux Kernel doc

Tài liệu Understanding the Linux Kernel doc

... about the CPU state The memory management registers used to keep track of the RAM accessed by the process When the kernel decides to resume executing a process, it uses the proper process descriptor ... the version; the third number identifies the release As shown in Figure 1-1, if the second number is even, it denotes a stable kernel; otherwise, it denotes a development kernel At the time of ... lseek( ) system call When a file is opened, the kernel sets the file pointer to the position of the first byte in the file (offset 0) The lseek( ) system call requires the following parameters:...

Ngày tải lên: 21/12/2013, 11:15

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Tài liệu Linux Device Drivers-Chapter 16 :Physical Layout of the Kernel Source ppt

Tài liệu Linux Device Drivers-Chapter 16 :Physical Layout of the Kernel Source ppt

... is the init thread When all initializations described earlier are complete, the thread drops the kernel lock and prepares to execute the user-space init process The file being executed resides ... initializes several other device drivers if they have been selected for compilation There are other device-independent and platform-independent source files in drivers/char If you are interested in ... sits near device-specific code is defined in core/dev.c The ethernet and bridgedirectories are used to implement specific low-level functionalities, specifically, the Ethernet-related helper functions...

Ngày tải lên: 21/01/2014, 07:20

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Tài liệu Sự xen plasmid F vào trong nhiễm sắc thể vật chủ ppt

Tài liệu Sự xen plasmid F vào trong nhiễm sắc thể vật chủ ppt

... thị số phút (hay "centisome") đồ di truyền E coli Hình Các đoạn xen Hfr phân lập E coli Ngược lại, Salmonella typhimurium khuyết nhiều yếu tố IS vốn có mặt E coli Rõ ràng, đoạn xen Hfr gây tái tổ ... nhiều đoạn xen IS nhiều nhiễm sắc thể vi khuẩn Chẳng hạn, E coli K-12 kiểu dại có đoạn xen IS1, đoạn xen IS2 đoạn xen IS3 Vì đoạn xen IS yếu tố di truyền vận động, nòi có số lượng đoạn xen IS khác ... vi khuẩn, trình tự gene chuyển sang tế bào F- nòi Hfr khác khác Vì bắt đầu chuyển gene từ Hfr sang F- nhân tố F bị tách ra, nên phần chuyển trước, phần lại đuôi nhiễm sắc thể E coli chuyển sau...

Ngày tải lên: 26/01/2014, 07:20

6 436 1
tìm hiểu thể thơ thất ngôn xen lục ngôn trong quốc âm thi tập

tìm hiểu thể thơ thất ngôn xen lục ngôn trong quốc âm thi tập

... giải” [Nguyễn Hữu Sơn 2003 847] Như theo nhận xét làm thơ theo thể luật Đường phải chấp nhận hình thức cố định với quy định nghiêm ngặt mà thể thơ đề Còn làm thơ theo thể thơ dân tộc ta nhẹ nhàng ... dụng chức Ngự sử đài chánh chưởng Tây Đô (kinh đô Thanh Hóa) Ông theo nhà Hồ không theo nhà Trần thân ông có tâm nguyện muốn đem tài giúp đời, giúp nước Mặt khác, thể nhìn tiến ông Thử thách ... khái niệm thể thơ thất ngôn xen lục ngôn sau: Thể thơ thất ngôn xen lục ngôn thể thơ dùng xen lẫn câu thơ lục ngôn với câu thất ngôn thơ Chương II THỂ THƠ THẤT NGÔN XEN LỤC NGÔN TRONG QUỐC ÂM THI...

Ngày tải lên: 19/02/2014, 14:30

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Báo cáo khoa học: "THE DESIGN OF THE KERNEL ARCHITECTURE FOR THE EUROTRA* SOFTWARE" pptx

Báo cáo khoa học: "THE DESIGN OF THE KERNEL ARCHITECTURE FOR THE EUROTRA* SOFTWARE" pptx

... into the database of a standard Prolog implementation (Pereira & Byrd 1982) The augmented interpreter then constitutes the MMU referred to above The data definition for the current experiment presents ... simple but semantically rather empty intermediate language rather than the native code of a real computer We want to be able easily to change the behaviour of the associated virtual machine, preferably ... latter is under development Notice that an FFP (or Lisp) system is necessary to implement the appllcative schema described in section Ill, since these systems have the power to describe their...

Ngày tải lên: 08/03/2014, 18:20

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Linux system programming talking directly to the kernel and c library

Linux system programming talking directly to the kernel and c library

... containing the filename and searches for the given name From the filename, the kernel obtains the inode number From the inode number, the inode is found The inode contains metadata associated with the ... owning user, the owning group, and ev‐ erybody else to read, write, and execute the file; there are three bits for each of the three classes, making nine bits in total The owners and the permissions ... Introduction and Essential Concepts directory, the kernel looks up the directory todo From there, the kernel gets the inode for plunder Together, the combination of a relative pathname and the current...

Ngày tải lên: 19/03/2014, 13:39

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Rootkits -  subverting the windows kernel

Rootkits - subverting the windows kernel

... the checked and the free build environments You use the checked-build environment when you're developing a device driver, and you use the free-build environment for release code The checked build ... software bugs are found by independent researchers and never reported to the software vendor They are deadly because nobody knows about them accept the attacker This means there is little to no defense ... programmer It's detailed, well researched and the technical information is excellent The level of technical detail, research, and time invested in developing relevant examples is impressive In one...

Ngày tải lên: 19/03/2014, 13:42

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Báo cáo khoa học: " New Ranking Algorithms for Parsing and Tagging: Kernels over Discrete Structures, and the Voted Perceptron" docx

Báo cáo khoa học: " New Ranking Algorithms for Parsing and Tagging: Kernels over Discrete Structures, and the Voted Perceptron" docx

... the runs on test examples were combined through the voting procedure described in section 3.4 Figure shows the results for the voted perceptron with the tree kernel The parameters and were set ... where each is a sentence and each is the correct tree for that sentence We assume some way of enumerating a set of candidates for a particular sentence We use to denote the th candidate for the ... at and are different, then Else if the state labels at and are the same, and the words at and are the same, then There are a couple of useful modications to this kernel One is to introduce a...

Ngày tải lên: 23/03/2014, 20:20

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o'reilly - understanding the linux kernel

o'reilly - understanding the linux kernel

... interactive experiences for the user—as well as doing all the jobs the user bought the computer for—but the essential shape and capabilities of the system are determined by the kernel The kernel, ... Terminate the process Write the execution context and the contents of the address space in a file (core dump) and terminate the process Ignore the signal Suspend the process Resume the process's ... in User or Kernel Mode and is specified by the RPL field of the Segment Selector stored in the cs register Whenever the Current Privilege Level is changed, some segmentation registers must be correspondingly...

Ngày tải lên: 25/03/2014, 10:52

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The Book of Xen: A Practical Guide for the System Administrator doc

The Book of Xen: A Practical Guide for the System Administrator doc

... having were connected to the Internet, and each of them required various services These services, in turn, were designed in such a way that they could be readily provided by even the cheapest and ... Xen was to have these changes occur in the hardwaredependent bits of the guest operating system, without changing the interface between the kernel and user-level software This design goal reduces ... Unaccelerated QEMU is an order of magnitude slower than native execution, and accelerated QEMU or VMware ESX server can only accelerate the emulated machine if it’s the same architecture as the underlying...

Ngày tải lên: 30/03/2014, 20:20

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the kernel trick for distances

the kernel trick for distances

... hand side of (5) to ensure that the left hand side becomes positive de nite? The answer is given by a known result To state it, we rst need to de ne the appropriate class of kernels 0 0 0 De ... linear PCA As we decrease , we obtain increasingly nonlinear feature extractors Note that as the kernel parameter gets smaller, we are also getting more localized feature extractors (in the sense ... to the image (x0 ) of one point x0 under the feature map 0 0 0 0 0 Proposition (Vector space representation of symmetric kernels) Let k be a real-valued symmetric kernel on X Then there exists...

Ngày tải lên: 24/04/2014, 14:08

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Báo cáo hóa học: " Research Article A Hilbert-Type Integral Inequality in the Whole Plane with the Homogeneous Kernel of Degree −2 Dongmei Xin and Bicheng Yang" pdf

Báo cáo hóa học: " Research Article A Hilbert-Type Integral Inequality in the Whole Plane with the Homogeneous Kernel of Degree −2 Dongmei Xin and Bicheng Yang" pdf

... 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 ... possible, then by the reverse of 3.3 , we may get a 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, ... obtain the reverses of 3.5 Hence we have the reverse of 3.2 , which is equivalent to the reverse of 3.1 10 Journal of Inequalities and Applications If the constant factor k λ in the reverse of...

Ngày tải lên: 21/06/2014, 05:20

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Báo cáo khoa học nông nghiệp " Investigation of rice kernel cracking and its control in the field and during post-harvest processes in the Mekong Delta of Vietnam " docx

Báo cáo khoa học nông nghiệp " Investigation of rice kernel cracking and its control in the field and during post-harvest processes in the Mekong Delta of Vietnam " docx

... rice cracking Some preliminary experiments were undertaken to determine an effective technique to measure the glass transition temperature of rice and to investigate the effect of tempering on the ... cooperative model to implement the project is expected to be a success The reception and enthusiasm of the cooperatives have been very encouraging Next Critical Steps The project will be implemented ... increase in the mechanical strength of the rice due to tempering at high temperature (Figure 10) The time required for such changes will be longer at lower temperature Further research is underway...

Ngày tải lên: 21/06/2014, 06:20

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