添加 '数据库/mysql/mysql5.7安装.md'

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iProbe 2023-05-06 12:00:17 +08:00
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## 1、查询系统中安装的mysql/mariadb版本
```shell
rpm -qa | grep mysql
rpm -qa | grep mariadb
```
### 2、卸载
```shell
rpm -e --nodeps mariadb-libs
```
### 3、安装mysql
```
# 以common -> libs -> client -> server顺序安装mysql
yum -y localinstall mysql-community-common-5.7.41-1.el7.x86_64.rpm
yum -y localinstall mysql-community-libs-5.7.41-1.el7.x86_64.rpm mysql-community-libs-compat-5.7.41-1.el7.x86_64.rpm
yum -y localinstall mysql-community-client-5.7.41-1.el7.x86_64.rpm
yum -y localinstall mysql-community-server-5.7.41-1.el7.x86_64.rpm
```
### (选项)4、修改端口/数据目录
```shell
[mysqld]
port=3307
datadir=/data/mysql
```
### 5、启动mysql
```shell
systemctl start mysqld
```
### 6、查看初始密码
```shell
grep 'temporary password' /var/log/mysqld.log
```
### 7、修改密码
```sql
mysql -u root -p
set password = password("xxxxxxxx");
flush privileges;
```