Linux

when I recently accidentally touch a file, I added a short slash in front of the filename-causing the file name to resemble-test.log. In this case, according to the normal execution rm-f '-test.log ' Delete the file, will be an error. Similar to the

ARP: the ARP cache in the management system Arpwatch: Listening for ARP records Arping: Sending ARP requests to an adjacent host Finger: Find and display user information Ifconfig: Setting up the network interface Iwconfig:

SED command:Common scenarios:1. Add content at the specified location2. Delete the line where the specified character is located;3. Replace the specified string with a new string;4. Display only content that contains the specified

Basically Linux start-up process, different versions may have some subtle differences, followed by the introduction, but in general is such a process.650) this.width=650; "src=" Http://s4.51cto.com/wyfs02/M02/7E/1B/wKiom1b3cXTwXKG8AAAjvgUt3_8617.png

This article is just to demonstrate the necessary elements of the Linux system boot process, not a fully functional Linux system.My environment is VMware virtual machine, centos-6.7-x86_64 operating system.First to add a disk for the virtual machine,

File system (System directory)Go to the Linux root (i.e. "/", the entry for the Linux filesystem, and the directory at the top level), run the "ls–l" command and you can see that the Linux system contains the following directories.1. /binContains

Ubuntu14.04 (This version of the pro-test use)1. Modify the boot entry and default startup entrysudo gedit/boot/grub/grub.cfg (best to back up one before modifying)2. Changes to the login screen image/usr/share/backgrounds/3. Modify the boot menu

The purpose of this experiment : to trace the process of system call by a simple menu applet, analyze and summarize the mechanism of system call and the process of three-layer entry. Experimental principle : system call processing process and

one self-added system call with GDB tool Trace analysisThe process of an application typically runs under User space, and when it calls a system call, the process enters the kernel space, executes the code inside the kernel, and thus has the

command to enter VIVI FileName: Opens or creates a new file and places the cursor at the beginning of the firstVI +n FileName: Opens the file and places the cursor at the beginning of nthVI + FileName: Opens the file and places the cursor at the

Rehl Linux network management involves the main content650) this.width=650; "src=" Http://s1.51cto.com/wyfs02/M00/7D/FA/wKiom1bz7n_jPqAlAAFYmfqYIiQ247.png "title=" Network manage.png "width=" "height=" 504 "border=" 0 "hspace=" 0 "vspace=" 0 "style="

Chapter I. Linux Introduction to the kernel1.1Unix HistoryUNIX Features: 1, very concise2. Everything is treated as a document3, the UNIX kernel and related system Tools software are written in C language4, process creation very quicklySo UNIX is

Add time and Time-asm commands to MenuosThe intermediate process has been omitted, and all we have done is to update the menuThe specific commands are as followsRM menu-rf Forced removalgit clone http://github.com/mengning/menu.git cloning related

Three ways to upgrade the CentOS kernelIn the process of working on the CentOS platform, it is unavoidable to upgrade or downgrade the kernel to verify functionality, debug performance, or update the entire system. If you recompile a kernel from

20135130 WangkuandongOne, add time and time-asm command to MenuosCommand: 1, forced Delete: RM MENU-RF2. Clone: Git clone (followed by the location where the data needs to be cloned)3, automatic compilation, automatic generation of root file system,

Fifth Chapter system CallsA system call is an interface that a user process interacts with the kernel. In order to protect the system stable and reliable, avoid the application wanton carried away.5 . 1 communication with the kernelThe system call

NOTES: >The list of links in Linux is often a circular doubly linked list. The complete code is stored in the same file include/linux/list.h.1include/linux/list.h2 3 structList_head {4 structList_head *next,*prev;5 };6 7 #defineList_head_init

Today took a day, to NetEase Cloud class listening to the first 12 of the foundation of the basic Linux, Su Yong Teacher said really good, the following records and summarizes the 12 section of the approximate interior, on the one hand, on the other

Since entering the pit of node. js, it is unavoidable to deploy some applications on the Linux server. So I'm going to start learning the basics of Linux and sort it out for you when you need it.1. Query the contents of the directory: LSls　Options

Install Tomcat in Linux and Tomcat in Linux Install jdk (Java 2 Software Development Kit) before installing and using Tomcat. To install jdk, refer to my previous blog. Install Tomcat 1. Download apache-tomcat-7.0.59.tar.gz 2) # tar-zxvf