hadoop用作mysql,hadoop安装步骤

安装MySQL部署1 .安装wget yum-yinstallwget2. rpm安装文件wget http://repo.mysql.com/MySQL-community-release-el7-7.noarch.rpm3.下载的MySQL-community-release-el7-7.noarch.rpm文件# 安装并下载的MySQL-community-release-el7-7.noarch.rpm文件rpm-ivhmysql-community-release-el7-7.noarch 启用1启用，检查是否关闭# gpgchenk安装MySQL配置yuminstallmysql-community-server6. mysqlsystemctl start MySQL systemctlenablemysqldsystemctldaemon-reload7. MySQL 5.7数据库初始化超级用户密码grep ' temporary password '/var/log/设置显示mysqld.logMySQLD.log然后粘贴复制的密码8 .登录后更改MySQL密码set global validate _ password _ policy=low set global validate _ password _ length=6； 警示用户' root ' @ ' localhost ' identified by ' 123456 '； 9 .开放远程连接访问mysql数据库use mysql； updateusersethost=' % ' where user=' root ' andhost=' localhost '； 10 .闪存权限刷新设置；