mysql5.7如何安装部署、初始化和创建实例方法介绍
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很简单的流程
环境信息:
centos 7.2
mysql 5.7.21
1.下载解压缩mysql包
cd /usr/local/ wget https://cdn.mysql.com//Downloads/MySQL-5.7/mysql-5.7.21-linux-glibc2.12-x86_64.tar.gz tar xzvf mysql-5.7.21-linux-glibc2.12-x86_64.tar.gz mv mysql-5.7.21-linux-glibc2.12-x86_64 mysql
2.初始化mysql基础环境信息
vim /etc/profile PATH=/usr/local/mysql/bin:/usr/local/mysql/lib:$PATH export PATH export MYSQL_HOME="/usr/local/mysql" export ms="/usr/local/mysql"
3.初始化配置实例配置文件
mkdir -p /usr/local/mysql/data/mcdb vi /usr/local/mysql/data/my.cnf
[client] port = 3310 socket = /usr/local/mysql/data/mcdb/mysql.sock [mysql] no-auto-rehash [mysqld] user = mysql port = 3310 socket = /usr/local/mysql/data/mcdb/mysql.sock basedir = /usr/local/mysql datadir = /usr/local/mysql/data pid-file = /usr/local/mysql/data/mcdb/mysql.pid relay-log = /usr/local/mysql/data/mcdb/relay-bin relay-log-info-file = /usr/local/mysql/data/mcdb/relay-log.info server-id = 12 [mysqld_safe] log-error = /usr/local/mysql/data/mcdb/mysql.err pid-file = /usr/local/mysql/data/mcdb/mysql.pid
4.新建用户
groupadd mysql useradd mysql -g mysql chown mysql:mysql /usr/local/mysql -R
5.初始化mysql实例
mysqld --initialize --basedir=/usr/local/mysql --datadir=/usr/local/mysql/data/mcdb --user=mysql
从返回信息最后一行获得密码,举个栗子:
yUlta1lw*uwF
6.移动配置文件到实例目录,启动该实例mysql
mv /usr/local/mysql/data/my.cnf /usr/local/mysql/data/mcdb/my.cnf mysqld_safe --defaults-file=/usr/local/mysql/data/mcdb/my.cnf --user=mysql --basedir=/usr/local/mysql --datadir=/usr/local/mysql/data/mcdb &
7.登录mysql
mysql -uroot -pyUlta1lw*uwF -S /usr/local/mysql/data/mcdb/mysql.sock
8.设定密码
mysql> SET PASSWORD = PASSWORD('hello2018'); mysql> flush privileges;
9.创建用户并开放远程登录权限
grant all privileges on *.* to 'bodie'@'%' identified by 'happybirthday' with grant option;
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