Linux

use the If statement to determine parameters in Linux shell programming–b when file exists and is a block file returns true-D when file exists and is a character file returns True-e when pathname exists and is a directory returns true-F when a file

You have never used windows, never touch Unix, only know to drag a file to drag, only know that the hard disk is c:d: E: But never study the area table, may use VC programming, very accustomed to its integration environment ....One day, for whatever

Today encountered a problem, can ping the IP address, Ping does not pass the domain name, has been thought to be a DNS resolution server problem, find a half-day, the problem is not here.Looking at the routing table, the problem is not the routing

LS is just a simple list of filenames, ll more detailed list of file type, file owner permissions, file owner group permissions, file size, file last modified time, etc ...We can use a simple diagram to illustrate, such as 1:Figure 11, the first

1.awk IntroductionAwk is a programming language that is used to process text and data under Linux/unix. Data can come from standard input, one or more files, or the output of other commands. It supports advanced functions such as user-defined

First case: The disk partition problem caused by abnormal shutdown does not enter the system properlyThe following questions are generally how to cause and how to solve it?Finding module dependencies;Modprobe:modprobe:can ' t locate module

In the case where the primary DNS server is functioning properly, configure the slave DNS server on a different server with the same: operation is as follows:We create here DNS from the server is the experiment, no registration, the actual work

Goal: Configure a Hadoop 1.2.1 test environment 650) this.width=650; "class=" Wlemoticon wlemoticon-smile "style=" Border-top-style: None;border-bottom-style:none;border-right-style:none;border-left-style:none, "alt=" Smile "src=" http:// Img1.51cto.

Phpexcel when the site migrated to the Linux platform, the error Class ' ziparchive ' not foundreason: Because PHP does not have a ZIP module installedWorkaround: Install the Zip moduleresolution Process:Get to Zip packagewget

share the steps to compile and install memcached services under Linux, and take a look at them. System: Ubuntu 13.10First step: Install Libevent-dev$aptitude Search Libevent-dev$aptitude Install Libevent-devStep two: Download memcached and install

In fact, you are using the Linux system more or less unconsciously every day. In the Web server world, Linux is the dominant operating system, including the background of the pages you are currently browsing, all running on Linux. Even your Android

First, the system installation principle:Linux System Installation Process:POST----> Bootloader (ramdisk)-----> Anaconda System InstallerIn fact, installing the operating system is to import the compiled binary format of the operating system into

Bole Online Guide : There are netizens in the question and answer site Quora asked: "What are the time-saving tips, is every Linux user should know?" "Joshua Levy usually works on the Linux platform, and he has accumulated a lot of practical command-

Configuration Linux NIS SlaveNote that starting the NIS domain name, the NIS domain name is the same as the ad domain name, except that there is no later. com, my AD domain name is tasnrh.com, so my NIS domain name is TASNRH. It is worth emphasizing

Simple packet capture Analysis in linux and packet capture in linux Sometimes we may encounter some problems that require packet capture analysis. When there is no professional packet capture tool at hand, we can use tcpdump instead (this tool is

About how to install apache and linuxapache after uninstalling apache in linux Facts show that good memory is not as bad as a pen, not to mention that there is no good memory, so we need to make some necessary records, because as time passes, many

Install Google Chrome in CentOS Although Centos has its own Firefox browser, it is still easy to use, but it still prefers Google. 1. Manual installation of Google browser is really labor-consuming, there is an automatic installation script online,

Set Putty for automatic remote login on CentOS Server 1. Generate the public key and key Verdana @ hostname :~ $ Ssh-keygen-t rsa Generating public/private rsa key pair. Enter file in which to save the key (/home/verdana/. ssh/id_rsa ): Enter

How to Set Linux swap partitions? Method tutorial, linuxswapHow to set the Linux swap partition many friends asked about the swap partition in linux, collected a good article and shared it. What is Swap?Swap, that is, in the Swap zone, how many

Classic Linux kernel interview questions 1) What kernel locks does Linux have? 2) What is the meaning of the user mode and Kernel Mode in Linux? 3) How to Apply for a large kernel memory? 4) What are the main methods for inter-process communication?