Linux

I have found a lot of information about this on the internet, but none of them can be used, After studying it, you can achieve it. As long as you do the following steps, you can take centos home.Windows XP platform; Required Software grub4dos-0.4.3.

Command:Alias Function Description:SET commandAlias. Syntax:Alias [alias] = [command name] Note:You can use alias to customize the alias of the command. If you only enter alias, all current alias settings can be listed. Alias is valid only for

This article applies to Ubuntu 10.10 (installed successfully under fedora 15) I have been building the development environment in Ubuntu for the past two days. It is still a small challenge for me to get used to the silly operations of Windows 7 ~

the netstat command is a useful tool for monitoring TCP/IP networks. It displays the route table, the actual network connection, and the status information of each network interface device, here I only use some of these features. Common netstat

Preparations: 1. Java JDK 2. GCC 3.g ++ Note: The GCC and G ++ versions must be the same: [Juan @ Juan ~] $ Gcc -- Version Gcc (GCC) " Color: # ff0000; " > 4.6 . 3 20120306 (Red Hat 4.6 . 3 - 2 ) Copyright (c) 2011 Free Software

Ethtool is a command used to query and SET network interface card parameters.Summary:Ethtool ethx // query basic ethx network port settingsEthtool-H // display the ethtool Command help (HELP)Ethtool-I ethx // query ethx network port

ArticleDirectory 1. List all TCP ports (including listeners and ports not listened) 2. List all TCP ports in the listener status 3. display the statistics of all ports 4. display the PID of the Process occupying a specific TCP port

1. Generate the private key and public key of RSA and DSA: On vmoel5u4: [Oracle @ vmoel5u4 ~] $ Ssh-keygen-T RSA Generating public/private RSA key pair.Enter file in which to save the key (/home/Oracle/. Ssh/id_rsa ):Enter passphrase (empty for

1 Introduction Thread technology was proposed as early as 1960s, but the real application of multithreading to the operating system was in the middle of 1980s, and Solaris was a leader in this field. Traditional UNIX also supports the concept of

(2) Separation and integration of threads At any point in time, threads can be combined (Joinable), Or separated (Detached). A combined thread can be reclaimed and killed by other threads.;Before being recycled by other threads, its memory

In software design, time processing is often used to calculate the execution time of statements and functions. In this case, time must be accurate to milliseconds or even a subtle time.   Int gettimeofday (struct timeval *TV, Struct timezone *TZ)

The Linux Automatic startup service is very simple. The simplest is to put the startup command in the/etc/rc. d/rc. Local file. In this way, the service can be automatically started every time it is started. For example, for Apache, after compiling

LinuxMediumViewA SoftwareInstallation path(Address) is sometimes very important. For example, if a file's Quick Start item is deleted, you need to create a Quick Start item, or you want to delete or add an installation file, the command of the

[Getsockopt/setsockopt System Call]Function Description:Obtain orSetThe selected item associated with a socket. Option may exist in multiple layersProtocolThey will always appear at the top socket layer. When you operate on socket options, the layer

Linux zip command detailsFunction Description: compress a file.Syntax: zip [-acddffghjjkllmoqrstuvvwxyz $] [-B ] [-ll] [-n ] [-T ] [-] [compressed file] [file...] [-I ] [-x ]Note: Zip is a widely used compression program. After files are compressed,

1. When the grub screen appears, use the up/down key to select the item that you usually start Linux, and then press the e key.2. Use the up and down keys again to select the one you usually start Linux (similar to kernel/boot/vmlinuz-2.4.18-14 Ro

There are two different types of Linux executable programs on Linux. The first type is static linked executable programs. Static executable programs include all the functions required for execution-in other words, they are "complete ". For this

VI/etc/init. d/red5   #!/bin/bash# For RedHat and cousins:# chkconfig: 2345 85 85# description: Red5 flash streaming server# processname: red5# Created By: Sohail Riaz

1. fcntl Header file # include # Include Defines the int fcntl (int fd, int cmd) function ); Int fcntl (int fd, int cmd, long Arg ); Int fcntl (int fd, int cmd, struct flock * Lock ); Fcntl () is used to manipulate some features of file

NOTE: For the following content, refer to [1 ~ 6] the content is organized. I. Basic Concepts 1. The thread is the smallest unit of independent operation in the computer. A process is the unit of resource allocation. 2. Why is multithreading used? (1