centos 7 安装 mysql5.7，自定义目录

平台: centos 7

 

shell命令:

shell> yum search libaio
shell> yum install libaio
shell> mkdir /home/admin/temp
shell> mkdir /prod/db
shell> cd /home/admin/temp
shell> wget https://cdn.mysql.com//Downloads/MySQL-5.7/mysql-5.7.27-linux-glibc2.12-x86_64.tar.gz
shell> tar -axvf mysql-5.7.27-linux-glibc2.12-x86_64.tar.gz -C /prod/db
shell> mv /prod/db/mysql-5.7.27-linux-glibc2.12-x86_64 mysql
shell> cd /prod/db/mysql
shell> ls 
shell> groupadd mysql
shell> useradd -r -g mysql -s /bin/false mysql
shell> ln -s /prod/db/mysql mysql
shell> mysql/bin/mysqld --user=mysql --basedir=/prod/db/mysql --datadir=/prod/db/mysql/data/  --initialize

 mysql命令

GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY 'yourpassword' WITH GRANT OPTION;
FLUSH PRIVILEGES;
exit

 

my.cnf配置文件:

[client]
port = 3306
socket = /prod/db/mysql/mysql.sock

[mysqld]
port = 3306
basedir=/prod/db/mysql
datadir=/prod/db/mysql/data
socket=/prod/db/mysql/mysql.sock
pid-file=/prod/db/mysql/mysql.pid
explicit_defaults_for_timestamp
log_error=/prod/db/mysql/log/mysql-error.log
slow_query_log_file =/prod/db/mysql/log/mysql-slow.log

 

 

mysql5.7x安装路径：https://dev.mysql.com/downloads/mysql/5.7.html#downloads

本次使用的安装包url: https://cdn.mysql.com//Downloads/MySQL-5.7/mysql-5.7.27-linux-glibc2.12-x86_64.tar.gz

 

 

mysql5.7x依赖库: libaio

查询是否已安装依赖库: yum search libaio

 

安装依赖库: yum install libaio

 

创建临时目录: mkdir /home/admin/temp

 

新建软件安装目录:  mkdir /prod/db

 

进入templ目录: cd /home/admin/temp

 

下载安装包: wget https://cdn.mysql.com//Downloads/MySQL-5.7/mysql-5.7.27-linux-glibc2.12-x86_64.tar.gz

 

解压安装包,到软件安装目录（-C 是指定解压的目标目录）: tar -axvf mysql-5.7.27-linux-glibc2.12-x86_64.tar.gz -C /prod/db

重命名mysql: mv /prod/db/mysql-5.7.27-linux-glibc2.12-x86_64 mysql

 

进入mysql目录: cd /prod/db/mysql

查询mysql目录文件: ls 

创建mysql用户组：groupadd mysql

创建mysql用户(-s /bin/false 是禁止用户登录centos系统):useradd -r -g mysql -s /bin/false mysql

创建软连接: ln -s /prod/db/mysql mysql

初始化mysql环境:mysql/bin/mysqld --user=mysql --basedir=/prod/db/mysql --datadir=/prod/db/mysql/data/  --initialize

得到mysql的临时登录密码:

使用临时密码登录：mysql -u root -p"刚刚得到临时的密码" 

修改密码(password() 里面填写你要设定的密码):set password=password('yourpassword');

设置远程登录:GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY 'yourpassword' WITH GRANT OPTION;

重载授权表：FLUSH PRIVILEGES;

退出mysql数据库：exit

官网安装文档（参考）:https://dev.mysql.com/doc/refman/5.7/en/binary-installation.html