2343图2 发表于 2016-12-28 10:48:00

linux安装部署mysql

1、需要mysql-linux安装包
本次使用mysql-5.7.17-linux-glibc2.5-x86_64.tar.gz进行安装

2、将此安装包上传至linux服务器
上传路径为:/usr/local

3、解压mysql
输入命令:tar zxvf mysql-5.7.17-linux-glibc2.5-x86_64.tar.gz

4、复制mysql到/usr/local/mysql文件夹内(注意mysql-5.7.17-linux-glibc2.5-x86_64此文件夹名称不会变,复制粘帖后的会被改名为mysql)
输入命令:cp mysql-5.7.17-linux-glibc2.5-x86_64 /usr/local/mysql -r

5、添加系统mysql组和mysql用户
输入命令:groupadd mysql和useradd -r -g mysql mysql.

6、进入安装mysql软件目录:执行命令
输入命令: cd /usr/local/mysql

7、修改当前目录拥有者为mysql用户:执行命令
输入命令: chown -R mysql:mysql ./


8、安装数据库之前创建文件夹,这个很重要
输入命令: mkdir /usr/local/mysql/data


9、安装数据库:执行命令
输入命令: ./bin/mysql_install_db --user=mysql --basedir=/usr/local/mysql/ --datadir=/usr/local/mysql/data/


10、复制配置文件到 /etc/my.cnf
输入命令: cp -a ./support-files/my-default.cnf /etc/my.cnf (选择y)


11、mysql的服务脚本放到系统服务中,然后修改my.cnf文件
输入命令: cp -a ./support-files/mysql.server /etc/init.d/mysqld

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//修改my.cnf文件    (vim /etc/my.cnf)
    # These are commonly set, remove the # and set as required.
    basedir = /usr/local/mysql
    datadir = /usr/local/mysql/data
    port = 3306
    # server_id = .....
    socket = /tmp/mysql.sock
    character-set-server = utf8
    # Remove leading # to set options mainly useful for reporting servers.
    # The server defaults are faster for transactions and fast SELECTs.
    # Adjust sizes as needed, experiment to find the optimal values.
    # join_buffer_size = 128M
    # sort_buffer_size = 2M
    # read_rnd_buffer_size = 2M





12、启动mysql
输入命令: service mysqld start


13、查看mysql初始密码(记住并复制下来,等会登陆mysql需要)
输入命令: cat /root/.mysql_secret


14、进入mysql:bin/mysql -uroot -p(把刚刚复制的密码粘贴上来)


15、登录后重置root密码

    mysql> SET PASSWORDFOR 'root'@localhost = PASSWORD('123456');

        Query OK, 0 rows affected, 1 warning (0.00 sec)

16、修改linux防火墙端口,开发3306给外部访问,编辑iptables
输入命令: vi /etc/sysconfig/iptables
添加一句:-A INPUT -p tcp -m tcp --dport 3306 -j ACCEPT

17、修改mysql配置,允许外部访问:
登录mysql数据库:mysql -uroot -p123456

    mysql>use mysql;
        mysql>update user set host = '%' where user = 'root';


17、重启防火墙,重启mysql数据库
输入命令:         service iptables restart        重启防火墙
输入命令:         service mysqld restart                重新mysql




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