每日日报2021 10/30

Mysql的安装：

检查当前系统是否安装过 MySQL

[atguigu@hadoop102 ~]$ rpm -qa|grep mariadb

mariadb-libs-5.5.56-2.el7.x86_64

//如果存在通过如下命令卸载

[atguigu @hadoop102 ~]$ sudo rpm -e --nodeps mariadb-libs

2）将 MySQL 安装包拷贝到/opt/software 目录下

[atguigu @hadoop102 software]# ll

总用量 528384

-rw-r--r--. 1 root root 609556480 3 月 21 15:41 mysql-5.7.28-

1.el7.x86_64.rpm-bundle.tar

3）解压 MySQL 安装包

[atguigu @hadoop102 software]# tar -xf mysql-5.7.28-1.el7.x86_64.rpm

bundle.tar

[atguigu @hadoop102 software]$

sudo rpm -ivh mysql-community-common-5.7.28-1.el7.x86_64.rpm

sudo rpm -ivh mysql-community-libs-5.7.28-1.el7.x86_64.rpm

sudo rpm -ivh mysql-community-libs-compat-5.7.28-1.el7.x86_64.rpm

sudo rpm -ivh mysql-community-client-5.7.28-1.el7.x86_64.rpm

sudo rpm -ivh mysql-community-server-5.7.28-1.el7.x86_64.rpm