kernel catcher

Deep understanding of the PHP kernel (1) and deep understanding of the php kernel. In-depth understanding of the PHP kernel (1), in-depth understanding of the php kernel as a simple and powerful language, PHP can provide a lot of language features applicable to the Web. Starting from practice, I deeply understand the p

Heavy-duty focus, in fact, is to implement a cottage version of Windows Peloader, overloading is actually a module to re-load a copy of the other memory, run it.The so-called kernel overload, is the kernel file that is: Ntkrnlpa.exe to load a copy to the memory, and run it, such a benefit can avoid all hooks, such as SSDT, Inlinehook, etc., the principle is the hook continueHook the main original

The Android kernel has the same functions as the standard Linux kernel, which mainly implements the functions of memory management, process scheduling, interprocess communication and so on. However, there are differences in file system, interprocess communication, memory management and so on.1, file system . Most mobile devices are not hard drives but flash as storage media, so the Android

The kernel version after the installation of Fedora 8 is 2.6.23.1-42. fc8-i686, want to build a kernel tree, in fact, there are several reasons, I heard that many of the release version of the kernel has been specially configured, so some aspects are not suitable for writing Linux modules, etc, it is also good to have more hands-on operations. The selected

The Linux Kernel provides the copy_from_user ()/copy_to_user () function to copy the kernel state and user State data. However, these two functions cause blocking and cannot be used in hard or soft interruptions. These two special copy functions are generally used in functions similar to system calls. In the following code, the kernel module registers a set of f

Nginx 0.1 million concurrent Kernel Parameter Optimization, nginx10 thousand kernel parametersKernel Parameter Optimization:Net. ipv4.tcp _ max_tw_buckets = 6000The number of timewait instances. The default value is 180000.Net. ipv4.ip _ local_port_range = 1024 65000Port range that can be opened by the system.Net. ipv4.tcp _ tw_recycle = 1Enable timewait quick recovery.Net. ipv4.tcp _ tw_reuse = 1Enable reu

Test kernel version: Linux kernel 2.6.35 ---- Linux kernel 3.2.1 Original works, reprint please mark http://blog.csdn.net/yming0221/article/details/7572382 For more information, see column http://blog.csdn.net/column/details/linux-kernel-net.html Author: Yan Ming Knowledge Base: this firewall is developed based on a g

---restore content starts---20135125 Chen ZhiweiOriginal works reproduced please indicate the source"Linux kernel Analysis" MOOC course http://mooc.study.163.com/course/USTC-1000029000 "Experimental requirements:Mykernel Experimental Guidance (how the operating system works)Run and analyze a streamlined operating system kernel to understand how the operating system worksOpen the shell with a virtual machine

when the Linux kernel is programmed, kernel code execution can only directly access the data in memory, and the file system on the hard disk must be indirectly read and written by the kernel. General kernel operation file read and write in three ways: 1. Through the/proc/file as a bridge to complete the hard disk file

Inotify-File System notification mechanism in the kernel, inotify-Kernel Reprinted: http://www.ibm.com/developerworks/cn/linux/l-inotifynew/index.htmlI. Introduction As we all know, Linux desktop systems are much less satisfactory than MAC or Windows. To improve this situation, the open-source community proposes that the kernel should provide some mechanisms for

Single-core and micro-kernel-general Linux technology-Linux programming and kernel information. The following is a detailed description. Single Kernel: the kernel is implemented as a large process and runs in a separate address space at the same time. All kernel services run

Source: http://www.top-e.org/jiaoshi/html? 196. html "It's really cool to tell me that the real entry address of the C program compiled using the glibc library in Linux is _ start (). Isn't that enough ?" The rotten eggs flat. Well, I just want to use a special way to describe the problem. I pay more attention to the ways of thinking embodied in the process of exploration and the fun of it. Return to our topic. Why is the Linux Kernel not executed fr

1. Review the kernel commands that need to be updated:Apt-cache Search LinuxThe command will show all the kernels that can be obtained2. Install the kernel, assuming you want to install a kernel of 2.6.39-0, use the following commandsudo apt-get install linux-headers-2.6.39-0-generic linux-image-2.6.39-0-genericAfter installation, reboot can, after reboot, both s

1.SoC Linux Bottom drive composition and status To allow Linux to run on a brand new arm SOC, there are a number of underlying support, such as timer beats, interrupt controllers, SMP booting, CPU HotPlug, and the underlying GPIO, clock, Pinctrl, and DMA hardware packages. Timer beats, interrupt controllers, SMP boot, and CPU hotplug are relatively not as cluttered as the early Gpio, clock, Pinctrl, and DMA implementations, and basically have a fixed routine. Timer beats for Linux based on time

(This chapter is based on: linux-4.4.0-37) There are many ways to communicate between the kernel and user space, NetLink is one of them, and the others are/proc, IOCTL, sockopt, shared memory, and so on. NetLink is characterized by asynchronous Full-duplex. NetLink uses 32-bit port addressing, called PID (not related to the process number), where the kernel's PID address is 0. The main characteristics of NetLink are as follows: 1 supports Full-duple

Abstract: Use the kernel source code and scripts officially provided by Slackware to create a kernel suitable for your own machine, learn to compile the kernel and improve our learning and work efficiency; Preface: The current machine configuration is getting higher and higher. a small notebook may also have 2 GB of memory. In addition, server applications o

Step 1: Download the kernel source code wgethttp: // response Step 1: Download the kernel source code Wget http://www.kernel.org/pub/linux/kernel/v2.6/linux-2.6.38.2.tar.bz2 Step 2: Download the legendary BFS patch, 2.6.37-sched-bfs-363.patch Wget http://ck.kolivas.org/patches/bfs/2.6.38/2.6.38-sched-bfs-363.patch Step 3: Install the compilation tool Sudo apt-get

How to add the graphics card module (private driver) of the old kernel for the new kernel-Linux general technology-Linux programming and kernel information. The following is a detailed description. Ask about the make localmodconfig command used by the newly compiled kernel. Because the system used for compilation is th

I. Linux configuration and compilation Linux has the following advantages: 1. Clear temporary files, intermediate files, and configuration files (1) make clean: delete most of the generated files, but keep the configuration file (2) Make mrproper: delete all generated files and configuration files (3) make distclean: Delete the patch and backup files of the editor based on make mrproper. 2. Determine the hardware and software configurations of the target system, such as the CPU type,

Bootloader and kernel with the start-up process--------------------------------------------The ARM9 board has a Norflash chip that stores the basic Bootlader code, which is the 0 address where the CPU executes the code. The 4kRam space inside the CPU acts as the stack and data segment storage at this time. Because it is Samsung's own chip, so the hardware above can be implemented to Nandflash before the 4K code automatically copied to the Iram (the im