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                本文為大家介紹了*CentOS* 7 64位 安裝 *MySQL5.7* 的詳細步驟 ## 1、配置YUM源 在[MySQL]官網中下載YUM源rpm安裝包:http://dev.mysql.com/downloads/repo/yum/ \# 下載mysql源安裝包 ``` shell> wget http://dev.mysql.com/get/mysql57-community-release-el7-8.noarch.rpm ``` #安裝mysql源 ```shell shell> yum localinstall mysql57-community-release-el7-8.noarch.rpm ``` 檢查mysql源是否安裝成功 ```shell shell> yum repolist enabled | grep "mysql.*-community.*" ``` ## 2、安裝MySQL ```shell shell> yum install mysql-community-server ``` ## 3、配置默認編碼為utf8 并且設置不區分大小寫 修改/etc/my.cnf配置文件,在[mysqld]下添加編碼配置,如下所示: ```mysql [mysqld] character_set_server=utf8 init_connect='SET NAMES utf8' lower_case_table_names=1 ``` ## 4、啟動MySQL服務 ```shell shell> systemctl start mysqld ``` ## 5、開機啟動 ```shell shell> systemctl enable mysqld shell> systemctl daemon-reload ``` ## 6、修改root默認密碼 mysql安裝完成之后,在/var/log/mysqld.log文件中給root生成了一個默認密碼。通過下面的方式找到root默認密碼,然后登錄mysql進行修改: ```shell shell> grep 'temporary password' /var/log/mysqld.log ``` 查看到密碼后用root登錄修改密碼 ```shell shell> mysql -uroot -p ``` ```mysql mysql> ALTER USER 'root'@'localhost' IDENTIFIED BY 'MyNewPass4!'; ``` 或者 ```mysql mysql> set password for 'root'@'localhost'=password('MyNewPass4!'); ``` **注意**:mysql5.7默認安裝了密碼安全檢查插件(validate_password),默認密碼檢查策略要求密碼必須包含:大小寫字母、數字和特殊符號,并且長度不能少于8位。否則會提示ERROR 1819 (HY000): Your password does not satisfy the current policy requirements錯誤 ## 7、創建數據庫并添加遠程登錄用戶 默認只允許root帳戶在本地登錄,如果要在其它機器上連接mysql,必須修改root允許遠程連接,或者添加一個允許遠程連接的帳戶,為了安全起見,我添加一個新的帳戶: ```mysql mysql> create database yamidb CHARACTER SET utf8 COLLATE utf8_general_ci; mysql> GRANT ALL PRIVILEGES ON yamidb.* TO 'yami'@'%' IDENTIFIED BY 'Yami@2019'; ```
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