Linux compiled installation memcached

Memcached is a high-performance distributed memory object caching system for dynamic Web applications to mitigate database load.It improves the speed of dynamic, database-driven Web sites by caching data and objects in memory to reduce the number of

Basics of Linux Basics (i)

a , the composition and function of computerThe basic structure of modern computers is made by the Hungarian-American scientist von · Neumann was introduced in 1946. So far, all the computers that have entered the utility are press von Neumann

On special symbols of Linux

on the special characters of LinuxWe often follow the special symbols on the keyboard such as (?,! , ~...) dealings, in fact, in Linux has its unique meaning, can be broadly divided into three categories: Linux special symbols, wildcard characters,

How to check Linux server performance with commands

1. View System load(1) UptimeThis command provides a quick view of the machine's load.In a Linux system, these data represent the processes that wait for CPU resources and the number of blocked IO processes (process status D).The output of the

Basic knowledge of Linux Learning (vii)

1, create a 10G partition, and the format of the Ext4 file system;(1) The block size is required to 2048, the reserved space percentage is 2, the volume label is MyData, the default Mount property contains ACLs;(2) Mount to the/data/mydata directory,

Linux get help information for commands

To determine whether a command is built into Linux, you can use the Type command, and only the Linux built-in commands can be used to get help.# Type cdOutput: CD is a shell builtinNote that this command is a built-in command from the system, so you

Linux process Environment

1. What is the process?The running program is the process, the process is dynamic, the program is static, and the process has a state change during execution.The process has three different states: running, ready, blocking;Three-model analysis:650)

Linux grep command

Linux grep command2. UseThe grep command in a Linux system is a powerful text search tool that uses regular expressions to search for text and print matching lines. The grep full name is global Regular expression Print, which represents the globally

Installing memcached steps on Linux

http://chenzhou123520.iteye.com/blog/1933489http://chenzhou123520.iteye.com/blog/1925209Recently installed on the company server memcached a lot of times, every time you have to go online to check the steps, today simply write a detailed step to

Hack linux ssh passwords with Medusa

From the accidentally climax of ' blogEgg ache, write a bit, Medusa crack up still relatively fast, first we see Help[Email protected]:/pentest/exploits/framework3# MedusaMedusa v1.5 [http://www.foofus.net] (C) jomo-kun/foofus Networks Alert:host

The awk command for Linux

Brief introductionAwk is a powerful text analysis tool, with the search for grep and the editing of SED, which is especially powerful when it comes to analyzing data and generating reports. To put it simply, awk reads the file line-by-row, using

Linux/unix Inode

First, what is the inode?To understand the inode, start with the file storage. The file is stored on the hard disk, and the minimum storage unit for the hard disk is called "Sector" (Sector). Each sector is stored 512 bytes (equivalent to

Linux notes (1)-Unfamiliar commands

1. Network Settings(1) Set IP addressConfiguration file is/etc/sysconfig/network-scripts/ifcfg-eth0If there is more than one network card, it is Ifcfg-eth0, ifcfg-eth1.......ifcfg-ethnThe contents are as

Linux notes--linux Process communication

Http://www.cnblogs.com/linshui91/archive/2010/09/29/1838770.htmlI. Overview of inter-process communicationProcess communication has some of the following purposes:A, data transfer: A process needs to send its data to another process, the amount of

Linux Common commands

bz2

1. CD commandThis is a very basic, is also a common need to use the command, it is used to switch the current directory, its parameters are to switch to the path of the directory, can be an absolute path, can also be a relative path. Such

Linux-interprocess communication-semaphore

First, the conceptIn simple terms, the semaphore is a counter that describes the number of resources for a critical resource.The essence of Semaphore is a data operation lock, which does not have the function of data exchange, but realizes

Using regular expressions in Linux commands

You need to use regular expressions when using grep, awk, and SED commands.For example, I use grep to find out if there are errors in the code compilation results. Or if there is an error in my code.Here is the basic application of regular

Installing the JDK on Linux with Yum

Uninstall the JDK that comes with CentOS1. Review the current JDK version and uninstall[Email protected] opt]# rpm-qa|grepJava Java-1.6.0-openjdk-1.6.0.37-1.13.9.4. El5_11tzdata-java-2015g-1. El5//Uninstall[Email protected] opt]#

Linux under Hosts, host.conf, resolv.conf

/etc/resolv.confThe file is a configuration file for DNS domain name resolution, and its format is simple, with each line beginning with a keyword followed by configuration parameters. There are four key words in resolv.conf, namely:nameserver

Files edited under Windows under Linux with VI Open Line end will be more than a ^m symbol

In general, files edited under Windows under Linux with VI Open the end of the line will be more than a ^m symbol, such as:This is because the text line breaks used by operating systems such as windows are different from the Unix/linux operating

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