Trace analysis of the boot process of the Linux kernelYu Jiacen Original works reproduced please specify the source "Linux kernel Analysis" MOOC course http://mooc.study.163.com/course/USTC-1000029000In the previous lesson, we learned about the
Basic principles of Linux:A small program consisting of a single purpose, combined with a small program to complete complex tasks;all documents;Try to avoid capturing the user interface;The configuration file is saved in plain text format;
Whining, today 10:30 back from the lab and the girlfriend quarreled very big, are about to break up the feeling, but learning can not be interrupted, because only no matter what all adhere to the good habits, I know that if I and my girlfriend in
from the last section, we know. Tomcat and he has extended it. Java Virtual Machines JDK , let's learn more about it today, and learn to build this Java service. 650) this.width=650; "src=" Http://img.baidu.com/hi/ldw/w_0024.gif "alt=" w_0024.gif "/>
Summary section:Linux Kernel source code:Arch supports different CPU source code; main concern x86Init kernel-initiated code; focus on MAIN.C, the entire Linux kernel boot code start_kernel functionKernel Core CodeInstalling the kernel Source: How
The main study today is the strengthening of the 5th day.such as multi-process server, peer-to-peer application of the chat program. Parent process Child processes send messages to each other. Wait a minute.Stream protocol-Sticky packGenerally, the
I. Introduction to Linux kernel source codeStable version kernel: Linux-3.18.6Directory structure of the Linux kernel source code:Arch Catalog: In the Linux kernel source code occupies a large proportion, because the Linux kernel supports a lot of
The Linux file comparison directive has two, Comm and diff, where Comm requires a sorted file. Diff does not have this requirement, the output of the diff is mainly used to indicate how a file can be modified to get the file two.
Comm
The
1. Enter/ETC/INIT.D2, the new file tomcat, the contents are as follows:#!/bin/sh# chkconfig:345 99 10# Description:auto-starts Tomcat#/etc/init.d/tomcat# Tomcat Auto-start# Source function library.#. /etc/init.d/functions# source Networking
---restore content starts---Introduction of Linux Kernel source codeThe code in the Arch/x86 directory is our most important concern.fs/File Systeminit/Kernel boot-related codeThe Start_kernel function is equivalent to the C language's main
First, Introduction Tcpdump is a very powerful and useful network listening software, but there is nothing to do with SSL-encrypted packets; Ssldump is a software that listens for SSL-encrypted packets. Second, installation 1) Install via Yum Yum
Construct a simple Linux system menuos.First, Introduction1. Two swords: Interrupt-context switch (save field and resume scene) process-context switching2.linux-3.18.6The code in the Arch/x86 directory is our main concern;Kernel boot-related code is
Makefile for Linux development tools (below) and makefile for development toolsIi. Makefile (lower) 01. make common embedded function calls $ (function arguments) $ (wildcard PATTERN) files in the current directory that match the PATTERN, such as:
Install mysql online on Ubuntu and mysql online on ubuntu
Install mysql online on Ubuntu
1. Make sure that ubuntu can access the Internet normally
2. Change the software source (see the previous article for details)
3. Run the following
Use of userdel in user and group management on the command line interface
Userdel-delete a user account and related filesIn Linux, The userdel command is used to delete users and related files in the system.SyntaxUserdel [Option] usernameParameters-
Does Linux O & M personnel need to master a programming language?
Recently, some colleagues or Linux beginners often asked me: do O & M personnel need to learn a language? What language should they learn?
I have two answers to this question:
First
Use NOOB to install Raspberry Pi on SD cards larger than 32 GB or 64 GB
Use NOOB to install Raspberry Pi-Using NOOB on SD cards larger than 32 GB or 64 GB for Raspberry Pi on an SD card larger than 32 GB or 64 GB, as more and more software packages
Linux and Windows shared file configuration
Linux and Windows Shared File Configuration:
1. Enter the superuser: $ su root
2. Start the tftp server: # netstat-a | grep tftp. The message displayed indicates that the tftp server has been
Linux (5) gcc and linuxgcc
GCC = gnu c Compiler. The following describes how to use it.
1 pre-processing)
$ Gcc-E-o hello. I hello. c
-E: stops after preprocessing.
2 compile (compiling)
$ Gcc-S-o hello. s hello. I
-S: stops compilation.
Linux route, linuxroute
I. Introduction
The route command in Linux is used to display and operate the IP route table (show/manipulate the IP routing table ). To achieve communication between two different subnets, you need a router that connects
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