安 装 命 令：mysqld install 初始化命令：mysqld –initialize
参考这个链接
http://blog.csdn.net/wlc57627451/article/details/79086756
这次安装的sql用户名root
密码 123456
安装步骤操作
Microsoft Windows [版本 10.0.16299.125]
(c) 2017 Microsoft Corporation。保留所有权利。
C:WINDOWSsystem32>e:
E:>cd E:mysql-5.7.21-winx64in
E:mysql-5.7.21-winx64in>mysqld install
Service successfully installed.
E:mysql-5.7.21-winx64in>mysqld --initialize-insecure --user=mysql
E:mysql-5.7.21-winx64in>mysqld -initialize
E:mysql-5.7.21-winx64in>mysqld --initialize --user=mysql --console
2018-03-09T15:47:22.684200Z 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details).
2018-03-09T15:47:22.686421Z 0 [ERROR] --initialize specified but the data directory has files in it. Aborting.
2018-03-09T15:47:22.687035Z 0 [ERROR] Aborting
E:mysql-5.7.21-winx64in>mysqld --initialize --user=mysql --console
2018-03-09T15:49:52.752102Z 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details).
2018-03-09T15:49:52.928303Z 0 [Warning] InnoDB: New log files created, LSN=45790
2018-03-09T15:49:52.966768Z 0 [Warning] InnoDB: Creating foreign key constraint system tables.
2018-03-09T15:49:53.047224Z 0 [Warning] No existing UUID has been found, so we assume that this is the first time that this server has been started. Generating a new UUID: 81e83fad-23b1-11e8-9b3b-005056c00001.
2018-03-09T15:49:53.052145Z 0 [Warning] Gtid table is not ready to be used. Table 'mysql.gtid_executed' cannot be opened.
2018-03-09T15:49:53.069496Z 1 [Note] A temporary password is generated for root@localhost: gPu,eWP1?>83
E:mysql-5.7.21-winx64in>mysqld install
The service already exists!
The current server installed: E:mysql-5.7.21-winx64inmysqld MySQL
E:mysql-5.7.21-winx64in>net start mysql
MySQL 服务正在启动 .
MySQL 服务已经启动成功。
E:mysql-5.7.21-winx64in>mysql -uroot -p
Enter password: ************
Welcome to the MySQL monitor. Commands end with ; or g.
Your MySQL connection id is 2
Server version: 5.7.21
Copyright (c) 2000, 2018, 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> ALTER USER 'root'@'localhost' IDENTIFIED BY '123456';
Query OK, 0 rows affected (0.00 sec)
mysql> exit
Bye
E:mysql-5.7.21-winx64in>mysql -uroot -p
Enter password: ******
Welcome to the MySQL monitor. Commands end with ; or g.
Your MySQL connection id is 3
Server version: 5.7.21 MySQL Community Server (GPL)
Copyright (c) 2000, 2018, 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>
在centos中安装mysql5.7.17
参考连接
https://www.cnblogs.com/mujingyu/p/7689116.html
下载包
wget http://dev.mysql.com/get/Downloads/MySQL-5.7/mysql-5.7.17-linux-glibc2.5-x86_64.tar.gz
解压文件夹移动到指定目录中
tar -zvxf mysql-5.7.17-linux-glibc2.5-x86_64.tar.gz -C /usr/local/mysql/
mkdir /usr/local/mysql
mv mysql-5.7.17-linux-glibc2.5-x86_64/* /usr/local/mysql/
/usr/local/mysql
增加用户
groupadd mysql;
useradd -r -g mysql mysql;
配置文件路径
[mysql]
# 设置mysql客户端默认字符集
default-character-set=utf8
[mysqld]
# 设置mysql的安装目录
basedir=/usr/local/mysql
# 设置mysql数据库的数据的存放目录
datadir=/usr/local/mysql/data
default-storage-engine=INNODB
character_set_server=utf8
创建数据存储目录
mkdir /usr/local/mysql/data
chown -R mysql:mysql ./
初始化mysql
/usr/local/mysql/bin/mysqld --initialize --user=mysql --basedir=/usr/local/mysql/ --datadir=/usr/local/mysql/data/
2019-11-01T08:48:45.990408Z 1 [Note] A temporary password is generated for root@localhost: KmJ+YVmoH9K<
KmJ+YVmoH9K<
cp /usr/local/mysql/support-files/mysql.server /etc/rc.d/init.d/mysqld
chmod +x /etc/rc.d/init.d/mysqld
chkconfig --add mysqld;
chkconfig --list mysqld;
chkconfig --list | grep -i mysql
启动服务
service mysqld start
加入环境变量
export $PATH:/usr/local/mysql/bin
source /etc/profile
SET PASSWORD = PASSWORD('mysql');
grant all privileges on *.* to root@"%" identified by "mysql" with grant option;
flush privileges;