centos7安装mysql5.5
时间: 2023-09-10 20:13:14 浏览: 59
1. 添加mysql官方yum源
```bash
wget http://dev.mysql.com/get/mysql57-community-release-el7-11.noarch.rpm
sudo rpm -ivh mysql57-community-release-el7-11.noarch.rpm
```
2. 安装MySQL
```bash
sudo yum install mysql-community-server
```
3. 启动MySQL
```bash
sudo systemctl start mysqld
```
4. 查看MySQL是否启动成功
```bash
sudo systemctl status mysqld
```
5. 设置MySQL开机自启动
```bash
sudo systemctl enable mysqld
```
6. 修改root密码
```bash
sudo grep 'temporary password' /var/log/mysqld.log
sudo mysql_secure_installation
```
7. 登录MySQL
```bash
mysql -uroot -p
```
8. 修改字符集
```sql
ALTER DATABASE `mysql` CHARACTER SET 'utf8' COLLATE 'utf8_general_ci';
ALTER TABLE `user` CONVERT TO CHARACTER SET 'utf8' COLLATE 'utf8_general_ci';
```
9. 创建新用户
```sql
CREATE USER 'username'@'localhost' IDENTIFIED BY 'password';
GRANT ALL PRIVILEGES ON *.* TO 'username'@'localhost' WITH GRANT OPTION;
FLUSH PRIVILEGES;
```
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