Centos7 yum安装mysql5.7
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Centos 7中将mysql数据库软件从默认的程序列表中移除,用mariadb代替。
也就是说不能再跟之前6一样,直接使用yum进行安装,需要使用官网提供的软件源进行安装,此次安装版本为5.7
1. 安装官网提供的yum源
# wget https://dev.mysql.com/get/mysql57-community-release-el7-11.noarch.rpm # rpm -ivh mysql57-community-release-el7-11.noarch.rpm
2. 安装MySQL
# yum -y install mysql-server
3. 修改Mysql配置文件
[[email protected] ~]# vim /etc/my.cnf [mysqld] character-set-server=utf8
4. 启动MySQL
q 启动MySQL
[[email protected] ~]# systemctl start mysqld
q 设置MySQL为开机启动
[[email protected] ~]# systemctl enable mysqld
5. 修改密码&进入MySQL数据库
Mysql5.7版本及之后不再使用空密码,在安装时会生成临时密码并保存在日志文件中
[[email protected] ~]# grep 'password' /var/log/mysqld.log 2017-10-16T02:12:56.016829Z 1 [Note] A temporary password is generated for [email protected]: #zua)gQ?e5Gi
这里将用户的密码修改为:Mysql_password123
[[email protected] yum.repos.d]# mysql -u root -p Enter password: Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 5 Server version: 5.7.19
Copyright (c) 2000, 2017, 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 'Mysql_password123'; Query OK, 0 rows affected (0.00 sec) mysql>
6. 配置MySQL
q 创建数据库(数据库名称:cache_cloud;编码:UTF-8)
mysql> create database cache_cloud default charset utf8; Query OK, 1 row affected (0.00 sec) mysql> show databases; +--------------------+ | Database | +--------------------+ | information_schema | | cache_cloud | | mysql | | performance_schema | | sys | +--------------------+ 5 rows in set (0.01 sec) mysql>
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