MySQL入门安装方式
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安装mysql
1)rpm安装mysql5.7
mysql-community-devel-5.7.12-1.el6.x86_64.rpm
mysql-community-libs-5.7.12-1.el6.x86_64.rpm
mysql-community-test-5.7.12-1.el6.x86_64.rpm
mysql-community-client-5.7.12-1.el6.x86_64.rpm
mysql-community-common-5.7.12-1.el6.x86_64.rpm
mysql-community-server-5.7.12-1.el6.x86_64.rpm
如果有冲突的安装,先卸载,如:
rpm -e mysql-libs-5.1.66-2.el6_3.x86_64 --nodeps
2)启动mysql
service mysqld start
3)修改mysql 的root用户密码
如果在/etc/my.cnf修改了socket文件位置,则也应该同时修改[mysql]的socket文件位置;
#mysqld_safe --user=mysql --skip-grant-tables --skip-networking &
#mysql -u root mysql
//mysql5.6
// mysql> UPDATE user SET Password=PASSWORD('newpassword') where USER='root';
//mysql5.7
mysql> UPDATE user SET authentication_string=PASSWORD('aaa123') where USER='root';
//使用desc user查看表字段描述
mysql> FLUSH PRIVILEGES;
mysql> quit
重新执行:
Mysql>SET PASSWORD = PASSWORD('123456');
或者
Mysql>alter user root@localhost identified by ‘aaAA1234!@#$’;
*rpm安装,basedir为/usr
4)root用户登录mysql
[root@vm1 ~]# mysql -uroot -p
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 5
Server version: 5.7.12 MySQL Community Server (GPL)
Copyright (c) 2000, 2016, 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>
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