在Linux系统中做MySQL数据库主从服务器 1.网络配置服务器A:[root@CentOS mysql-5.0.40]# ifconfig eth0 eth0 Link encap:E
在Linux系统中做MySQL数据库主从服务器
1.网络配置
服务器A:
[root@CentOS mysql-5.0.40]# ifconfig eth0
eth0 Link encap:Ethernet HWaddr 08:00:27:56:AA:AA
inet addr:2.2.2.135 Bcast:2.255.255.255 Mask:255.0.0.0
inet6 addr: fe80::a00:27ff:fe56:aaaa/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:104974 errors:0 dropped:0 overruns:0 frame:0
TX packets:54283 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:66204315 (63.1 MiB) TX bytes:4929056 (4.7 MiB)
[root@centos mysql-5.0.40]# hostname
centos
[root@centos mysql-5.0.40]# vim /etc/hosts
2.2.2.145 centos1
2.2.2.135 centos
服务器B:
[root@centos1 ~]# ifconfig eth0
eth0 Link encap:Ethernet HWaddr 08:00:27:56:AA:AA
inet addr:2.2.2.145 Bcast:2.2.2.255 Mask:255.255.255.0
inet6 addr: fe80::a00:27ff:fe56:aaaa/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:96078 errors:0 dropped:0 overruns:0 frame:0
TX packets:52141 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:60024368 (57.2 MiB) TX bytes:34512758 (32.9 MiB)
[root@centos1 ~]# hostname
centos1
[root@centos1 ~]# vim /etc/hosts
2.2.2.135 centos
2.2.2.145 centos1
[root@centos1 ~]# ping -c 2 2.2.2.135
PING 2.2.2.135 (2.2.2.135) 56(84) bytes of data.
64 bytes from 2.2.2.135: icmp_seq=1 ttl=64 time=0.763 ms
64 bytes from 2.2.2.135: icmp_seq=2 ttl=64 time=0.758 ms
--- 2.2.2.135 ping statistics ---
2 packets transmitted, 2 received, 0% packet loss, time 1003ms
rtt min/avg/max/mdev = 0.758/0.760/0.763/0.027 ms
[root@centos1 ~]#
2.安装mysql软件
服务器A:
[root@centos mysql-5.0.40]# yum install mysql mysql-server -y --安装mysql
[root@centos mysql-5.0.40]# /etc/init.d/mysqld restart --启动mysql
Stopping mysqld: [ OK ]
Starting mysqld: [ OK ]
[root@centos mysql-5.0.40]# netstat -an |grep 3306
tcp 0 0 0.0.0.0:3306 0.0.0.0:* LISTEN
[root@centos mysql-5.0.40]# mysql -u root -p
Enter password:
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 2
Server version: 5.1.66 Source distribution
Copyright (c) 2000, 2012, Oracle and/or its affiliates. All rights reserved.
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
mysql> create database tong; --创建要共享的数据库
Query OK, 1 row affected (0.01 sec)
mysql> grant all privileges on *.* to abc@'*' identified by 'system'; --给数据库授权
Query OK, 0 rows affected (0.01 sec)
mysql>
[root@centos mysql-5.0.40]# vim /etc/my.cnf --在mysqld下添加以下
server_id=1
binlog-do-db=tong
binlog-ignore-db=mysql
bin-log=mysql-log
[root@centos mysql-5.0.40]# /etc/init.d/mysqld restart --启动成功
Stopping mysqld: [ OK ]
Starting mysqld: [ OK ]
[root@centos mysql-5.0.40]#
服务器B:
[root@centos1 ~]# yum install mysql mysql-server
[root@centos1 ~]# /etc/init.d/mysqld restart
Stopping mysqld: [ OK ]
Starting mysqld: [ OK ]
[root@centos1 ~]# netstat -an |grep 3306
tcp 0 0 127.0.0.1:3306 0.0.0.0:* LISTEN
[root@centos1 ~]# mysql -u root -p
Enter password:
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 4
Server version: 5.1.66 Source distribution
Copyright (c) 2000, 2012, Oracle and/or its affiliates. All rights reserved.
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
mysql> create database tong;
Query OK, 1 row affected (0.00 sec)
mysql> quit
[root@centos1 ~]# vim /etc/my.cnf
server_id=2
master_host=2.2.2.135
master_user=abc
master_password=system
master-port=3306
replicate_do_db=tong
master_connect_retry=10
log-bin=mysql1-log
[root@centos1 ~]# /etc/init.d/mysqld restart
Stopping mysqld: [ OK ]
Starting mysqld: [ OK ]
[root@centos1 ~]#
推荐阅读:
Ubuntu下Nginx做负载实现高性能WEB服务器5---MySQL主主同步
生产环境MySQL主主同步主键冲突处理
MySQL主从失败 错误Got fatal error 1236
MySQL主从复制,,单台服务器上实施

MySQL is suitable for beginners to learn database skills. 1. Install MySQL server and client tools. 2. Understand basic SQL queries, such as SELECT. 3. Master data operations: create tables, insert, update, and delete data. 4. Learn advanced skills: subquery and window functions. 5. Debugging and optimization: Check syntax, use indexes, avoid SELECT*, and use LIMIT.

MySQL efficiently manages structured data through table structure and SQL query, and implements inter-table relationships through foreign keys. 1. Define the data format and type when creating a table. 2. Use foreign keys to establish relationships between tables. 3. Improve performance through indexing and query optimization. 4. Regularly backup and monitor databases to ensure data security and performance optimization.

MySQL is an open source relational database management system that is widely used in Web development. Its key features include: 1. Supports multiple storage engines, such as InnoDB and MyISAM, suitable for different scenarios; 2. Provides master-slave replication functions to facilitate load balancing and data backup; 3. Improve query efficiency through query optimization and index use.

SQL is used to interact with MySQL database to realize data addition, deletion, modification, inspection and database design. 1) SQL performs data operations through SELECT, INSERT, UPDATE, DELETE statements; 2) Use CREATE, ALTER, DROP statements for database design and management; 3) Complex queries and data analysis are implemented through SQL to improve business decision-making efficiency.

The basic operations of MySQL include creating databases, tables, and using SQL to perform CRUD operations on data. 1. Create a database: CREATEDATABASEmy_first_db; 2. Create a table: CREATETABLEbooks(idINTAUTO_INCREMENTPRIMARYKEY, titleVARCHAR(100)NOTNULL, authorVARCHAR(100)NOTNULL, published_yearINT); 3. Insert data: INSERTINTObooks(title, author, published_year)VA

The main role of MySQL in web applications is to store and manage data. 1.MySQL efficiently processes user information, product catalogs, transaction records and other data. 2. Through SQL query, developers can extract information from the database to generate dynamic content. 3.MySQL works based on the client-server model to ensure acceptable query speed.

The steps to build a MySQL database include: 1. Create a database and table, 2. Insert data, and 3. Conduct queries. First, use the CREATEDATABASE and CREATETABLE statements to create the database and table, then use the INSERTINTO statement to insert the data, and finally use the SELECT statement to query the data.

MySQL is suitable for beginners because it is easy to use and powerful. 1.MySQL is a relational database, and uses SQL for CRUD operations. 2. It is simple to install and requires the root user password to be configured. 3. Use INSERT, UPDATE, DELETE, and SELECT to perform data operations. 4. ORDERBY, WHERE and JOIN can be used for complex queries. 5. Debugging requires checking the syntax and use EXPLAIN to analyze the query. 6. Optimization suggestions include using indexes, choosing the right data type and good programming habits.


Hot AI Tools

Undresser.AI Undress
AI-powered app for creating realistic nude photos

AI Clothes Remover
Online AI tool for removing clothes from photos.

Undress AI Tool
Undress images for free

Clothoff.io
AI clothes remover

AI Hentai Generator
Generate AI Hentai for free.

Hot Article

Hot Tools

MinGW - Minimalist GNU for Windows
This project is in the process of being migrated to osdn.net/projects/mingw, you can continue to follow us there. MinGW: A native Windows port of the GNU Compiler Collection (GCC), freely distributable import libraries and header files for building native Windows applications; includes extensions to the MSVC runtime to support C99 functionality. All MinGW software can run on 64-bit Windows platforms.

Dreamweaver CS6
Visual web development tools

WebStorm Mac version
Useful JavaScript development tools

ZendStudio 13.5.1 Mac
Powerful PHP integrated development environment

Notepad++7.3.1
Easy-to-use and free code editor