MySQL8的一键安装部署

mysql80-yum-install/README.md

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+# 安装 Mysql
+
+### 脚本描述
+
+```
+使用 yum 安装 MySQL8.0 并启动
+```
+
+### 脚本内容
+
+[mysql80-yum-install.sh](mysql57-yum-install.sh)  
+
+```shell
+#!/bin/bash
+
+# '\033[字背景颜色;字体颜色m字符串\033[0m'
+GREENCOLOR='\033[1;32m'
+NC='\033[0m'
+
+DOWNLOAD_DIR="/usr/src"
+# MySQL 安装源的位置
+SOURCE_DIR="http://repo.mysql.com/mysql80-community-release-el7-5.noarch.rpm"
+
+echo "===================================================="
+printf "${GREENCOLOR} MySQL's install begin ${NC} \n"
+echo "===================================================="
+
+# 安装 MySQL
+# 如果安装过 MySQL, 先卸载
+yum -y remove mysql
+# 进入目录
+cd $DOWNLOAD_DIR
+# 下载 MySQL 包
+wget $SOURCE_DIR
+# 安装 MySQL 的 yum 源
+rpm -ivh mysql80-community-release-el7-5.noarch.rpm
+# 安装 MySQL
+yum -y install mysql-community-server
+# 启动 MySQL
+service mysqld start
+
+echo "===================================================="
+printf "${GREENCOLOR} MySQL's install finish ${NC} \n"
+cat /var/log/mysqld.log | grep 'temporary password'
+echo "===================================================="
+```
+
+### 执行
+
+```shell
+bash mysql80-yum-install.sh
+```
+
+### 如何修改 root 密码？
+
+1、首先查看初始化的密码。  
+
+```sh
+cat /var/log/mysqld.log | grep 'temporary password'
+```
+
+2、用初始密码登录 MySQL，然后修改 root 的密码。  
+
+```sql
+ALTER user 'root'@'localhost' IDENTIFIED BY 'duiying*D123';
+```
+
+3、刷新权限。  
+
+```sql
+FLUSH PRIVILEGES;
+```
+
+4、允许其他主机连接 MySQL。  
+
+```sql
+use mysql;
+update user set host = '%' where user = 'root';
+FLUSH PRIVILEGES;
+```
+
+### 如何设置 MySQL 开机自启动？
+
+```sh
+# 编辑文件
+vim /etc/rc.log
+# 在尾部新增下面这行
+service mysqld start
+```

mysql80-yum-install/mysql80-yum-install.sh

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+#!/bin/bash
+
+# '\033[字背景颜色;字体颜色m字符串\033[0m'
+GREENCOLOR='\033[1;32m'
+NC='\033[0m'
+
+DOWNLOAD_DIR="/usr/src"
+SOURCE_DIR="http://repo.mysql.com/mysql80-community-release-el7-5.noarch.rpm"
+
+echo "===================================================="
+printf "${GREENCOLOR} MySQL's install begin ${NC} \n"
+echo "===================================================="
+
+# 安装 MySQL
+# 如果安装过 MySQL, 先卸载
+yum -y remove mysql
+# 进入目录
+cd $DOWNLOAD_DIR
+# 下载 MySQL 包
+wget $SOURCE_DIR
+# 安装 MySQL 的 yum 源
+rpm -ivh mysql80-community-release-el7-5.noarch.rpm
+# 安装 MySQL
+yum -y install mysql-community-server
+# 启动 MySQL
+service mysqld start
+
+echo "===================================================="
+printf "${GREENCOLOR} MySQL's install finish ${NC} \n"
+cat /var/log/mysqld.log | grep 'temporary password'
+echo "===================================================="