Linux和华为欧拉系统下安装mysql-5.7.30详细步骤

大家好，又见面了，我是你们的朋友全栈君。  

Hello everyone, see you again, I'm your friend Quan Zhanjun.

Detailed steps to install mysql-5.7.30 under Linux [easy to understan

前言

下面记录了我在Linux环境下安装Mysql的完整过程，实操记录，

只为让更多人少踩坑，本次安装版本为：mysql-5.7.30，64位操作系统 官网下载地址：mysql-5.7.30-el7-x86_64.tar.gz 百度网盘地址：百度网盘地址 提取码：lyqh
The following records the complete process of installing Mysql in the Linux environment, practical records, just to let more people step on the pit, this installation version is: mysql-5.7.30, 64-bit operating system Official website download address: mysql-5.7.30-el7-x86_64.tar.gz Baidu network disk address: Baidu network disk address Extraction code: lyqh

1、安装前准备

1、检测系统是否自带mysql

[root@localhost /]# rpm -qa | grep mysql

2、如果是，则使用下面命令进行删除：

[root@localhost /]# rpm -e --nodeps ‘上一步查找的名称’

3、删除成功后，查询所有Mysql对应的文件夹 (After the deletion is successful, query all folders corresponding to MySQL)

[root@localhost ~]# whereis mysql
mysql: /usr/bin/mysql /usr/local/mysql
[root@localhost ~]# find / -name mysql
/run/lock/subsys/mysql
/etc/rc.d/init.d/mysql
/usr/bin/mysql
/usr/local/mysql
/usr/local/mysql/bin/mysql
/usr/local/mysql/include/mysql
/usr/local/mysql/data/mysql