在VMware虚拟机集群中,完成Hive的安装部署
# 更新密钥 rpm --import https://repo.mysql.com/RPM-GPG-KEY-mysql-2022 # 安装Mysql yum库 rpm -Uvh http://repo.mysql.com//mysql57-community-release-el7-7.noarch.rpm # yum安装Mysql yum -y install mysql-community-server # 启动Mysql设置开机启动 systemctl start mysqld systemctl enable mysqld # 检查Mysql服务状态 systemctl status mysqld # 第一次启动mysql,会在日志文件中生成root用户的一个随机密码,使用下面命令查看该密码 grep 'temporary password' /var/log/mysqld.log # 修改root用户密码 mysql -u root -p -h localhost Enter password: mysql> ALTER USER 'root'@'localhost' IDENTIFIED BY 'Root!@#$'; # 如果你想设置简单密码,需要降低Mysql的密码安全级别 set global validate_password_policy=LOW; # 密码安全级别低 set global validate_password_length=4; # 密码长度最低4位即可 # 然后就可以用简单密码了(课程中使用简单密码,为了方便,生产中不要这样) ALTER USER 'root'@'localhost' IDENTIFIED BY 'root'; /usr/bin/mysqladmin -u root password 'root' grant all privileges on *.* to root@"%" identified by 'root' with grant option; flush privileges;