kernel devel

Core (Kernel):/boot/vmlinuz-version version with release package, local versionKernel module (Kernel object):/lib/modules/version/Kernel design:Single CoreModular design-small core, function moduleMicro-coreLoading module:InsmodModprobeKernel Download: www.kernel.org2 (Master). 6 (Times). 17 (fixed)-->2.6.17.1 fix bug2.6.18.RC1 (alternate) new featuresUser space

First, the experimental environmentVirtual machines: VMware Workstation 12.0;Operating system: ubuntu16.04 (32-bit);Current kernel version: 4.4.0-21-genericSecond, the Knowledge reserveNow, let's take a look at what a kernel module is:A module is a standalone program that can be compiled separately, but not run independently. It is linked to the kernel at run tim

Ubuntu kernel compilation tutorial-compile the Linux4.5.0 Kernel Tutorial environment: Ubnuntu 64-bit (14.04 recommended) + Xshell The Linux ECs is very useful for compiling the kernel. This article describes the most basic kernel compilation methods. For convenience, all operations are performed under the root user. I

Upgrade Ubuntu 10.04 with 2.6.32 kernel to 3.0 kernel graphic tutorial, 10.042.6.32 1. Complete the following practical work and screenshot the practice steps: 1) download and install the Virtual Machine VMWare Workstation; 2) install Linux2.x on the virtual machine; 3) Compile the Linux 2. upgrade x Kernel to Linux 3.x. 1) install VMware Workstation 11.1.0.

Fedora 20/21, delete old system kernel, fedora Kernel The kernel update speed of the Fedora system is very fast, which often leads to many versions during startup. If you do not clean up for a long time, the/boot may be fully occupied. The recent new Fedora 21 is even more likely to frequently upgrade the kernel. There

3.1. kernel architecture, 3.1 kernel architecture SELinux provides mandatory access control for all kernel resources. In his current format, SELinux is merged into the kernel through the LSM Framework. 3.1.1. LSM Framework The idea behind the LSM Framework is to allow the security module to be inserted into the

1, the function that prohibits kernel preemption is preempt_disable (), the method that allows kernel preemption is preempt_enable ()2, why call Preempt_disable () to close the preemption case before the real lockhttp://blog.csdn.net/kasalyn/article/details/11473885[CPP]View Plaincopy static inline void Raw_spin_lock (raw_spinlock_t *lock) { Preempt_disable (); Do_raw_spin_lock (lock);

gcc-c ++ xz[Root @ centos ~] # Yum install bc[Root @ centos ~] # Yum install ncurses-devel[Root @ centos ~] # Yum install hmaccalc zlib-devel binutils-devel elfutils-libelf-devel[Root @ centos ~] # Yum install qt-devel # if the X environment is installed (not installed curr

Original: 10 days the first day of learning the Linux kernel---kernel exploration tool classWinter vacation idle down, can enjoy doing their favorite things, concentrate on the lab in the dry up, because when the sophomore contact Linux, just about the kernel is really not understand, so 10 days still hope to be able to add the Linux

Article title: Linux 2.4 kernel-kernel improvement description. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. 1. Module Subsystem, Unified Device Model, and PnP support Module Subsystem have undergone major changes.2. improv

The USB boot made by moblin mic2 has two methods: liveos, direct boot, and traditional installation of Linux OS on the device. I want to install moblin2 on mid (menlow) and need to rebuild the kernel. You can use moblin-chroot to compile the kernel development environment or KVM. Get the source code for the kernel from the moblin repo site, such as the wget htt

As mentioned in the previous article, the latest Android source code downloaded from the source code tree does not contain kernel code, that is, the android source code project does not contain Linux kernel code by default, instead, use the pre-compiled kernel, that is, the prebuilt/Android-arm/kernel-qemu file. So how

Upgrade Ubuntu10.04 with 2.6.32 kernel to 3.0 kernel graphic tutorial 1. Complete the following practical work and screenshot the practice steps: 1) download and install the Virtual Machine VMWare Workstation; 2) install Linux2.x on the virtual machine; 3) Compile the Linux 2. upgrade x Kernel to Linux 3.x. 1) install VMware Workstation 11.1.0. 2) install Ubunt

, select projects, and so on. If you choose to create your own kernel, you have to shoulder this responsibility on your own when there is a security update, a new release, or any need for maintenance. 1. Pre-compilation Preparation To successfully create a kernel, you need to install the following components: Yum Groupinstall "Development tools" This will make sure that you have all the tools yo

《LinuxFull kernel AnnotationAnd 《LinuxKernel source code Scenario Analysis"(Previous and next)Simple Analysis and ComparisonAuthor: Zhao Yu Based on the general situation of the two books, the book "Situational Analysis" is written by Mao decao and others from Zhejiang University. It is entirely written by some computer professionals, therefore, the author has a high degree of computer expertise. This book makes people feel scared because of its lengt

PS. He Bong Original works reproduced please specify the source "Linux kernel Analysis" MOOC course http://mooc.study.163.com/course/USTC-10000290001.mykernelExperimental Guidance (how the operating system works)Use the lab building virtual machine to open the shell and enter the following code 1 CD linuxkernel/linux-3.9.4 2 Qemu-kernel Arch/x86/boot/bzimage You can see the initial

Kernel module ProgrammingFirst, the preparatory workVirtual machines: VMware Workstation 12Operating system: UbuntuCurrent kernel version: Linux-headers-4.4.0-22-genericIi. Knowledge of kernel modulesA module is a standalone program that can be compiled separately, but not run independently. It is linked to the kernel

Turn from: http://www.cnblogs.com/wang_yb/archive/2012/08/15/2640972.html This article briefly introduces the basic concepts of kernel-related. Main content: Single kernel and microkernel kernel version number 1. Single Kernel and microkernel Principle Advantage Disadvantage Single

sigttou, or control by the ptrace System Call of other processes, temporarily handing over the CPU to the control process.? Task_swapping: process in which the process page is swapped out of memory.(2) unsigned long flags;Process flag:? Pf_alignwarn prints the alignwarn warning.? Pf_ptraced is monitored by the ptrace system call.? Pf_tracesys is tracking.? The pf_forknoexec process has just been created but has not been executed yet.? Pf_superpriv Super User Privilege.? Pf_dumpcore dumped core.

U-boot kernel, file system download mode, u-boot Kernel1 Preparation 1.1 TFTP server The host computer uses the Ubuntu system. The installation method of the TFTP server is as follows: $ Sudo apt-get install tftpd-hpa Open the tftp configuration file in the path:/etc/default/tftpd-hpa, as shown below: TFTP_USERNAME = "tftp"TFTP_DIRECTORY = ""TFTP_ADDRESS = "0.0.0.0: 69"TFTP_OPTIONS = "-l-c-s" Here, TFTP_DIRECTORY indicat