Linux

Pan JunyangOriginal works reproduced please indicate the source"Linux kernel Analysis" MOOC course http://mooc.study.163.com/course/USTC-1000029000I. PreparationBuild the Environment 12345678910111213141516171819202122232425 cd

First, glances use1. IntroductionGlances is an open source command line system Monitoring tool for Linux and BSD, which is developed using the Python language to monitor CPU, load, memory, disk I/O, network traffic, file system, system temperature

"Linux kernel Design and implementation" chapter first to second study notesName: Wang Wei No.: 20135116Chapter One introduction to the Linux kernelFirst, about UNIX--A modern operating system that supports preemptive multitasking, multi-threading,

build a simple Linux system Menuos--start_kernel to the INIT process Liu Xipeng 20135304"Linux kernel Analysis" MOOC course http://mooc.study.163.com/course/USTC-1000029000Introduction to Linux kernel codeKernel source code three important

Experimental process:Open the shell terminal and execute the following command:CD linuxkernel/Qemu-kernel LINUX-3.18.6/ARCH/X86/BOOT/BZIMAGE-INITRD rootfs.imgAfter execution, the Qemu window will pop up, output the Linux kernel boot information and

When using JMeter on Linux recently for pressure measurement, the following problems were encountered:Using Jmeter-server to start JMeter server error, the endpoint in the prompt is not the IP of the server:The IP of the server is 192.168.60.223 of

Wei Hao--the third week of Linux kernel Analysis job: Linux system Boot processFirst, the experimental partExperimental guidance Open the shell with a virtual machine in the lab building 1 cd linuxkernel/2 qemu-kernel linux-3.18.

Linux static libraries, shared librariesCategory: LINUXFirst, what is a library in essence, a library is a binary form of executable code that can be loaded into memory by the operating system. Because of the different nature of Windows and Linux,

Permission descriptions for Linux filesThe permission bits of a Linux file or directory are controlled by 9 permission bits, each of which is a set of three bits, which are the read, write, execute, read, write, execute, read, write, execute, and

1 VI Editor 2 File operations 2.1 Deleting files 2.2 Viewing files 2.3 Creating a Folder 2.4 Viewing file permissions 2.5 Copying files 2.6 Mobile 2.7 Finding files 3 Viewing CPU

Reprint: http://blog.sina.com.cn/s/blog_4829b9400101piil.html1. Prepare the installation package: Libevent-2.0.21-stable.tar.gz and memcached-1.4.25.tar.gz2. Specific installation steps1. Since memcached relies on libevent, it is necessary to

Chapter 1 Knowledge points carding(a) How does the computer work? (summary)--Three magic weapon① stored program Computer working model, the most basic logical structure of computer system;② function Call stack, high-level language to run the

User groupsGroupadd: Adding user groupsBasic format: groupadd-g GID group_nameExample: Add a user group with a GID of 501,group_name as DBA,Enter "GROUPADD-G 501 DBA"Groupdel: Deleting a user groupBasic format: Groupdel group_nameExample:1), delete

System callsThe function implementation body in kernel space, provided to the application to use, is a system call.Work flow1. Switch from user space to kernel space via soft interrupt (Swi). Entry-common. The entry (VECTOR_SWI) in S is used to

20135336 Wang Weixian"Linux kernel Analysis" MOOC course http://mooc.study.163.com/course/USTC-1000029000First, the experimental processCD linuxkernel/linux-3.9. 4 -kernel Arch/x86/boot/bzimageThen CD Mykernel you can see the contents of the Qemu

system Environment : centos-6.2-x86_64.Lua is an embedded scripting language with a wide range of application scenarios.Quoted from official website:Lua is used in many products and projects around the world, including several well-known

Today do a question, to judge whether a string is a substring of another string, so check the implementation of STRSTR.The code is as follows:1 Char*STRSTR (Const Char*S1,Const Char*S2)2 {3 Const Char*p=S1;4 Constsize_t len=strlen (S2);5

Use iptables to count traffic # Add inbound/outbound iptables rules 1. $ iptables-I INPUT-d 192.168.1.100 2. $ iptables-I OUTPUT-s 192.168.1.100 # View traffic 1. $ iptables-nvx-L # Clearing rules 1. $ iptables-F 1. $ iptables-I FORWARD-s 192.168.1.1

Install Emacs 14.04 on Ubuntu 24.5 1. Preparations 2. Install basic component tools 3. Download the dependency library required for emacs Compilation 4. Download emacs24.5 for compilation and Installation 5. Download and install my emacs

Linux shell implements batch shutdown of host ports in the LAN, and linuxshell Assume that there are multiple hosts in the LAN, and only the ssh service (port 22) can be activated. If other services are opened, all are disabled. Run a shell script