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  • CentOS下RPM方式安装MySQL5.6(转载)

    之前的项目全都在windows系统环境下部署的,这次尝试在Linux系统环境下部署,于是这次我们组织在7台主机上安装了JDK、Maven、Jboss其中一台安装了Mysql,并将局域网配置好,终于大功告成了。下面将安装步骤与大家分享!

        系统版本:centos6.3-i386 32位操作系统

        硬件配置:内核 Intel(R) Pentium(R) 4 CPU 3.00GHz 内存998.5M 

        安装环境:使用shell 命令

    此次安装在桌面环境下,使用shell命令进行安装,下载安装包为:

    MySQL-5.6.25-1.linux_glibc2.5.i386.rpm-bundle.tar;

    a. 检查MySQL及相关RPM包,是否安装,如果有安装,则移除(rpm –e 名称)

    [root@localhost ~]# rpm -qa | grep -i mysql
    mysql-libs-5.1.66-2.el6_3.x86_64
    [root@localhost ~]# yum -y remove mysql-libs*

    b. 选择Linux对应的RPM包,如下:

    [root@localhost rpm]# ll
    total 74364
    -rw-r--r--. 1 root root 18442536 Dec 11 20:19 MySQL-client-5.6.15-1.el6.x86_64.rpm
    -rw-r--r--. 1 root root  3340660 Dec 11 20:06 MySQL-devel-5.6.15-1.el6.x86_64.rpm
    -rw-r--r--. 1 root root 54360600 Dec 11 20:03 MySQL-server-5.6.15-1.el6.x86_64.rpm

    c. 安装MySQL

    [root@localhost rpm]# rpm -ivh MySQL-server-5.6.15-1.el6.x86_64.rpm
    [root@localhost rpm]# rpm -ivh MySQL-devel-5.6.15-1.el6.x86_64.rpm
    [root@localhost rpm]# rpm -ivh MySQL-client-5.6.15-1.el6.x86_64.rpm
    #修改配置文件位置
    [root@localhost rpm]# cp /usr/share/mysql/my-default.cnf /etc/my.cnf

    d. 初始化MySQL及设置密码

    [root@localhost rpm]# /usr/bin/mysql_install_db
    [root@localhost rpm]# service mysql start
    [root@localhost rpm]# cat /root/.mysql_secret  #查看root账号密码
    # The random password set for the root user at Wed Dec 11 23:32:50 2013 (local time): qKTaFZnl
    [root@localhost ~]# mysql -uroot –pqKTaFZnl
    mysql> SET PASSWORD = PASSWORD('123456');    #设置密码为123456
    mysql> exit
    [root@localhost ~]# mysql -uroot -p123456

    e. 远程登陆用户设置

        mysql> use mysql;
    mysql> select host,user,password from user;
    +-----------------------+------+-------------------------------------------+
    | host                  | user | password                                  |
    +-----------------------+------+-------------------------------------------+
    | localhost             | root | *6BB4837EB74329105EE4568DDA7DC67ED2CA2AD9 |
    | localhost.localdomain | root | *1237E2CE819C427B0D8174456DD83C47480D37E8 |
    | 127.0.0.1             | root | *1237E2CE819C427B0D8174456DD83C47480D37E8 |
    | ::1                   | root | *1237E2CE819C427B0D8174456DD83C47480D37E8 |
    
    +-----------------------+------+-------------------------------------------+
     
    mysql> update user set password=password('123456') where user='root';
    mysql> update user set host='%' where user='root' and host='localhost';
    mysql> flush privileges;
    mysql> exit

    f. 设置开机自启动

    [root@localhost ~]# chkconfig mysql on
    [root@localhost ~]# chkconfig --list | grep mysql
    mysql           0:off   1:off   2:on    3:on    4:on    5:on    6:off

    g. MySQL的默认安装位置

    /var/lib/mysql/               #数据库目录
    /usr/share/mysql              #配置文件目录
    /usr/bin                     #相关命令目录
    /etc/init.d/mysql              #启动脚本

    h. 修改字符集和数据存储路径

    配置/etc/my.cnf文件,修改数据存放路径、mysql.sock路径以及默认编码utf-8.

    [client]  
    password        = 123456  
    port            = 3306  
    default-character-set=utf8  
    [mysqld]  
    port            = 3306  
    character_set_server=utf8  
    character_set_client=utf8  
    collation-server=utf8_general_ci  
    #(注意linux下mysql安装完后是默认:表名区分大小写,列名不区分大小写; 0:区分大小写,1:不区分大小写)  
    lower_case_table_names=1  
    #(设置最大连接数,默认为 151,MySQL服务器允许的最大连接数16384; )  
    max_connections=1000  
    [mysql]  
    default-character-set = utf8 

    可查看字符集

    show variables like '%collation%';  
    show variables like '%char%'; 

    I.如果想远程连接登录mysql则需要:授权,并关闭防火墙。

       1.授权;在服务端进入mysql,输入以下命令

    [GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY '这里是你的密码' WITH GRANT

    OR

    [GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY '' WITH GRANT OPTION;]

      区别在于访问时是否需要写密码。 

       这句的作用是将所有的用户名,都设置能远程访问该mysql中所有的表,如果不想都放开,可以根据这个规则,来设置.grant 权限1,权限2,…权限n on 数据库名.表名 to用户名@用户地址 identified by‘口令’.

       2.关闭防火墙

    service iptables stop 关闭命令   
    chkconfig iptables off 永久关闭防火墙

    两个命令同时运行,运行完成后查看防火墙关闭状态

    service iptables status 

    到此,mysql就安装完成并配置成功了

    转载自:http://www.centoscn.com/mysql/2015/0624/5729.html

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  • 原文地址:https://www.cnblogs.com/guochunguang/p/6681606.html
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