Linux

1. What is idle?Simply put, idle is a process with a PID number of 0. Its predecessor was the first process created by the system and the only one that was not produced by fork (). In SMP systems, each processor unit has a separate running queue,

Have you encountered a situation where:Open the app in Workspace 1 Google Chrome;This time feel it open speed is relatively slow, the shortcut key switch to work area 2;The result of this time, Google Chrome directly in the workspace 2 open, how

CP command--file copyCopy commands for directories and filesCP command syntax and parameters:CP [OPTION] ... SOURCE ... DIRECTORY -A All Equivalent to DPR -D When you copy a symbolic link source

Based on Ubuntu 14.04 LTS Server.Recently like KDE, but Ubuntu's default desktop is based on unity, uninstall is very troublesome, simply loaded directly from the server version, what software they need to add what software, the whole world has

This article is the author of the work of learning in understanding or sentiment, welcome everyone to ask questions, discuss together!!I. Questions raisedThe general motherboard has two NIC interface, Linux system is generally named after boot

"Copyright Notice: respect for the original, reproduced please retain the source: blog.csdn.net/shallnet or .../gentleliu, the article is for learning communication only, do not use for commercial purposes"In a larger project, there will generally

/ETC/PASSWD:The user's information is saved under/ETC/PASSWD (early in the day, the user's password is also placed in the file.) Later, for security reasons, place the password in/etc/shadow):/etc/group:The user group information is saved

1. Use Histtimeformat to display timestampsWhen you execute the history command from the command line, it usually shows only the ordinal of the executed command and the command itself. If you want to see the timestamp of the command history, you can

Hexdump-ascii, decimal, hexadecimal, octal dumpView the preferred tool for the 16 mechanism.-c displays the corresponding ASCII code in bytes per unit-c per unit in bytes with 16 mechanism and ASCII code displayedCases:[Email protected] code]$

First, the basic preparatory work: 1.     u disk or mobile drive 1 the size of the storage space depends on the store linux size of the system; 2.     ready to burn software ultraiso or other burning

The first step is to edit the/etc/apt/sources.list first, adding the following sources:Debian platform:Deb Http://llvm.org/apt/wheezy/llvm-toolchain-wheezy MainDEB-SRC Http://llvm.org/apt/wheezy/llvm-toolchain-wheezy MainDeb

Lsof IntroductionLsof (list open files) is a tool that lists open files for the current system. In a Linux environment, everything is in the form of files, with files that not only access regular data, but also access to network connectivity and

I am a Linux operations engineer, a bit of experience in this area, and now I say to master what kind of tools itwhen it comes to tools, it can be said to be a skill, and in the line we are generally called tools, which are tools that must be

System administrators often require SSH or telent telnet to a Linux server and often run tasks that take a long time to complete, such as system backups, FTP transfers, and so on. Usually we open a remote terminal window for each of these tasks

Linux Network protocol stack implementation is accurate but not yet delicate, needless to say netfilter, just said TC is enough, but there are several shortcomings, this article to do an incomplete record, it is an essay, do not take seriously.0.

Ubuntu users install Adobe editor Brackets 1.0. Brackets is a text editing software developed by Adobe. It is a free, open-source and cross-platform HTML, CSS, and JavaScript front-end WEB integrated development environment (IDE tool ). This

Install graphical interfaces for CentOS 6.4 and use VNC for remote connection Install graphical interfaces for CentOS 6.4 and use VNC for remote connection 1. Install the VNC service# Yum install-y tigervnc-server# Passwd // set the root user vnc

Linux interview question: How does Linux start? During the written examination, I took a test on the Linux system startup process. I did not answer the question at the time. Now I have sorted it out (which is not complicated ). After you press the

Linux File Management Content outline:# Basic concepts of file system and Shell# File and directory operation commands# VI usage# Manage software packagesI. Basic concepts of file system and Shell1. File System DescriptionA file system is a system

SUSE Cloud 2.0 installation and deployment DirectoryInstall and deploy SUSE Cloud 2.0... 1Directory... 21. Architecture diagram... 32. Hardware requirements:... 43. software requirements... 54. Network... 54.1 network architecture:... 54.2 Nic