Linux

Cache consistencyI've always thought that a lot of things in Linux are used to ensure cache consistency, not really. The majority of cache consistency is implemented by hardware, and only when the command with the lock prefix executes is it a bit

VI Editor: Set NU Displays line number: $ to last line of file Compression and decompressionTAR-CVFZ XXX.tar.gz./trackTAR-XVFZ XXX.tar.gz TAR-CVF Xxx.tar./trackTAR-XVF Xxx.tar FTP Service1 Configuring the FTP serviceVi/etc/xinetd.d/gssftp#

Not much to say, directly online on the server's sysctl.conf file, of course, this is the credit of the predecessor Daniel:#---kernel optimization started--------# Auto-Restart after 1 seconds when kernel panicKernel.panic = 1# Allow more PIDs (to

SSH telnet command Simple instanceThe SSH command is used to telnet to the Linux host.Common format: SSH [-l login_name] [-P port] [[Email Protected]]hostnameMore details can be viewed with ssh-h.ExampleDo not specify User:SSH 192.168.0.11Specify

Create users under Linuxcreate user under Linux (a)Linux System is a multi-user multi-tasking time-sharing system, any user who wants to use system resources must first request an account from the system administrator and then enter the system as

Logical Volume Management: A piece of disk or disks on a host are combined in a logical sense into a disk to be managed. LVM is a logical layer added to the disk and file system.Basic terminology:Physical storage media: refers to physical storage

We want to encapsulate the socket, first we need to understand what the socket needs:1) First, after the creation of a socket, it is necessary to bind the IP of a network card, and the connection to the number, so we first encapsulate inetaddr.In

1.yum InstallationThe CentOS is already installed by default and does not require additional installation.1. View the system's default installed Yum#rpm-qa|grep YumYum is already installed in the system, then we will configure the Yum local source.2.

Manage several different servers, go live, publish, Test,Every time I enter the IP it feels so silly.In the ~/.ssh/directory if there is a config file, modify it just fine, if not, create a.# Vim ~/.ssh/configThen enter the configuration in the

When we use the Ls-l command, the first character in the first column represents the file type. Such as:What does all this mean, d and-and so forth? [d]-------Directory [-]--------file [l]---------link file or shortcut [b]-----

$ A The file name of the bash script means that the first parameter, $*, represents the parameter list. [email protected] means "$"/"$ $" ... Each variable is independent, surrounded by double quotation marks $ #表示参数列表个数 $? Indicates the result of

Pc/at microcomputer Cascade type 8259 control system The 8259 is introduced as part of the Intel's MCS family in 1976. The 8259A was included in the original PC introduced in 1981 and maintained by the PC/XT when introduced in 1983. A second 8259A

In learning Linux, it is found that Linux systems are more restrictive than Windows for file Rights Management.Create a new group under Linux: Groupadd Group nameLinux New Build User: Useradd user nameCreate user and Group: USERADD-G Group name User

The previous time looked at the next apue about multithreading part, said that the Linux multi-threaded is through the clone system call realizes, the verification to this point is not so, the exact version is more than 2.6 is this.#include

How to clear the list of recently opened files in Ubuntu 14.04 This concise tutorial describes how to clean up historical Ubuntu 14.04 files for beginners. To delete history records from dash search, follow the following procedure. Go to System

Simple Solution for linux server process monitoring and Automatic Restart Reprinted please indicate the source: curtain roll west wind column (http://blog.csdn.net/ljxfblog) Starting from this week, the newbie game was in the file deletion and

Installation of archlinux (refer to the official documentation, desktop installation is not completed yet) First, start the installation system (I use a vmwarevm) 1. Set the keyboard layout # Loadkeys "us" # Set it to the U.S. keyboard layout.

Mendeley reference document management tools and mendeley referencesDirectory  Introduction For graduate students or researchers, they need to read a large number of documents. A lot of time is often wasted in such trivial matters: searching,

Inode, soft link, hard link, and linuxinode link in linux1 soft link Linux soft links are considered shortcuts in windows. Create soft link command Ln-s source file or directory target file or directoryLn source file or directory target file or

CentOS7.0 network settings and domain name binding CentOS 7.0 is a very new version. Many friends do not know how to install and configure CentOS 7.0, because CentOS has greatly improved with previous versions. Note: up to now, the latest version of