linux 下安装mysql

安装mysql步骤:

1.[下载mysql](wget https://cdn.mysql.com//Downloads/MySQL-8.0/mysql-8.0.15-1.el7.x86_64.rpm-bundle.tar)

2. tar -xvf mysql-8.0.15-1.el7.x86_64.rpm-bundle.tar
3. rpm -ivh mysql-community-common-8.0.15-1.el7.x86_64.rpm
4. 安装libaio.so 依赖wget http://mirror.centos.org/centos/6/os/x86_64/Packages/libaio-0.3.107-10.el6.x86_64.rpm
5. 查询冲突依赖 rpm -qa | grep mariadb
6. 强制移除冲突依赖 rpm -e --nodeps mariadb-libs
7. rpm -ivh mysql-community-libs-8.0.15-1.el7.x86_64.rpm
8. rpm -ivh mysql-community-client-8.0.15-1.el7.x86_64.rpm
9. rpm -ivh mysql-community-server-8.0.15-1.el7.x86_64.rpm
10. 启动mysql service mysqld start
11. 查看mysql 是否启动 ps -ef|grep mysql
12. 查看mysql默认密码 cat /var/log/mysqld.log
13. 进入mysql 命令行 mysql -u+账号+-p+密码 账号默认root 密码使用默认密码
14. 执行 下面代码

ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY '1234567aA<';//修改密码
use mysql;
update user set host = '%' where user = 'root';//允许任意主机远程连接
FLUSH PRIVILEGES;//刷新权限列表
quit //退出mysql命令行

15.设置自启动 systemctl enable mysqld.service