data socket

#!/bin/shecho "Current DIR is" $PWDWhile [1]DoServerpid= ' Ps-ef|grep process name |grep-v Grep|awk ' {print $} 'If ["$serverpid"]Thenecho "Process name is Running,pid" $serverpid#kill-9 $serverpidElseecho "Process name is down, now starting ..."dt=

Socket programming is often inseparable from multi-threading, when it comes to multi-threading, in general, is a more complex thing, especially when business logic becomes complex, sometimes or often, will make people dizzy brain swelling. But C #,

Note: This document has two MySQL instances, multiple instance methods and so on Linux operating system: centOS6.3 64bit (Installation of the system default development package)Database one:MySQL version: mysql-5.0.56port:3306System

Overview MySQL Cluster is a highly practical, scalable, high-performance, and highly redundant version of MySQL for distributed computing environments, and its design is designed to meet the toughest application requirements in many industries, and

Virtual Host What is a virtual host, and why use a virtual host?The virtual host is the use of special hardware and software technology, a computer host into a "virtual" host, each virtual host has a separate domain name and IP address (or shared IP

I. MySQL cluster introductionMySQL clustering technology provides redundancy for MySQL data in distributed system, and enhances security, so that single MySQL server failure does not have a huge negative effect on the system, and the stability of

1. Create a MySQL userGroupadd Mysqluseradd-r-G mysql-s/bin/false MySQL2. Install MySQL dependency package download 5.7.17 PackageYum install-y libaiocd/usr/local/src/wget http://mirrors.sohu.com/mysql/MySQL-5.7/mysql-5.7.17-linux-glibc2.5-x86

MySQL5.7.17 compilation and installation and binary installation detailedPosted in 2017/3/5 23:25:35 1539 People readingCategory: MySQL LinuxThere are many ways to install MySQL, the most common is the compilation and installation and binary

-----------1 Uninstalling the system comes with MSYQL packageRpm-qa|grep MySQLRPM-E--nodeps mysql-server-5.1.71-1.el6.x86_64--forced uninstall MySQL InstallerRpm-e mysql-server-5.1.71-1.el6.x86_64--dependency, unable to unload----------2 install

1. Master-Slave IntroductionData in the enterprise is a very important part of the database to store data many multi-use samples, but there is a hidden danger• Database Data loss• A database cannot guarantee quality of service when the number of

Definition of master-slave introduction MySQL master is also called replication, AB replication. Simply speaking is a and b two machines from the back, write the data on a, another B will follow the writing data, real-time data

Note: This document has two MySQL instances, multiple instance methods and so on Linux operating system: centOS6.3 64bit (Installation of the system default development package) Example one: MySQL version: mysql-5.0.56

First, installation requirements Installation Environment: Centos-6.5-32bit Software Name: mysql-cluster-gpl-7.2.25-linux2.6-i686.tar.gz Download Address: http://mysql.mirror.kangaroot.net/Downloads/ Package: mysql-cluster-gpl-7.2.25-linux2.6-i68

Cluster environmentManagement node 10.0.0.19 data node 10.0.0.12 10.0.0.17sql node 10.0.0.18 10.0.0.22Add MySQL UserGroupadd mysqluseradd mysql-g MySQL Installing

I. Introduction to RAC 1, high availability    refers to a comprehensive solution that integrates hardware and software technologies. It guarantees that the application (service) can run uninterrupted without losing data, that is, the

The concept of Gtid Global Transaction ID:global transaction identifiers Gtid is a transaction one by one correspondence, and the globally unique ID Gtid is performed only once on a server to avoid duplication of data or

Today installed is the binary MySQL package 5.7.21 package, in the configuration file when a lot of pits, left or done, to share with youBinary msyql5.7.21 version master-slave copy installationNew/picclife DirectoryMkdir/picclifeNew/picclife/data

Node. js advanced core module. net introduction and instance description module Overview The net module is also the core module of nodejs. As mentioned in the overview of the http module, http. Server inherits net. Server. In addition,

Analysis of HTML5 WebSocket and server push events, html5websocket WebSockets Web Sockets is a new-generation bidirectional communication technology used for Web applications. It runs on a single socket and is exposed to HTML5 compatible browsers

Directory:AbnormalAddress familySocket typeModule methodSocket object and instance methodThe socket module provides a low-level network connection interface in Python for operation of socket operations.AbnormalA total of 4 exceptions are defined for