查看安装以及卸载

#查看rpm-qa|grepmysql#卸载yum-yremovemysql-libs-5.1.66-2.el6_3.x86_64

1.centos7需要先卸载mariadb
查看命令rpm -qa | grep mariadb

安装包资源地址

mysql下载地址：https://dev.mysql.com/downloads/mysql/

#下载资源名称mysql-5.7.22-1.el7.x86_64.rpm-bundle.tar

解压资源

tar-xvfmysql-5.7.22-1.el7.x86_64.rpm-bundle.tar

获取rpm包

mysql-community-common-5.7.19-1.el6.x86_64.rpmmysql-community-client-5.7.19-1.el6.x86_64.rpmmysql-community-server-5.7.19-1.el6.x86_64.rpmmysql-community-libs-5.7.19-1.el6.x86_64.rpm

安装

#安装顺序#common-->libs-->clients-->server#安装命令rpm-ivhmysql-community-common-5.7.19-1.el6.x86_64.rpmmysql-community-libs-5.7.19-1.el6.x86_64.rpmmysql-community-client-5.7.19-1.el6.x86_64.rpmmysql-community-server-5.7.19-1.el6.x86_64.rpm

可能需要依赖包libaio

安装命令yum -y install libaio

初始化

mysqld--initialize--user=mysql

启动

servicemysqldstart

登录

#查看初始密码cat/var/logs/mysql.log#或者grep'password'/var/logs/mysql.log-n-B5#登陆mysql-uroot-p'123456'#修改初始密码setPASSWORD=PASSWORD('密码');

授权远程链接

###授权192.168.0.1可以远程链接*[所有数据库].*[所有表]账号：root密码123456grantallprivilegeson*.*to'root'@'192.168.0.1'identifiedby'123456';###授权所有ipgrantallprivilegeson*.*to'root'@'%'identifiedby'123456';###以上*.*表示[数据库].[表]###使授权立刻生效flushprivileges;