Centos 6.5 在线安装 mysql-8.0

Mysql卸载从下往上顺序
[root@localhost /]# rpm -e --nodeps qt-mysql-4.6.2-26.el6_4.x86_64

[root@localhost /]# rpm -e --nodeps mysql-server-5.1.71-1.el6.x86_64
[root@localhost /]# rpm -e --nodeps mysql-libs-5.1.71-1.el6.x86_64

[root@localhost /]# rpm -e --nodeps mysql-devel-5.1.71-1.el6.x86_64
[root@localhost /]# rpm -e --nodeps mysql-5.1.71-1.el6.x86_64

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

添加在线Mysql源

cd /etc/yum.repos.d/

vi mysql.repo

# Enable to use MySQL 8.0

[mysql80-community]

name=MySQL 8.0 Community Server

baseurl=http://repo.mysql.com/yum/mysql-8.0-community/el/6/$basearch/

enabled=1

gpgcheck=1

gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-mysql

验证正确的subrepositories已启用和禁用通过运行以下命令来检查它的输出（DNF启用系统，取代百胜在DNF的命令）

yum repolist enabled | grep mysql

YUM安装mysql

yum install -y mysql-community-common mysql-community-libs mysql-community-client mysql-community-server mysql-community-devel

启动Mysql服务  

service mysqld start

查看MySQL服务器的状态

service mysqld status

设置开机启动   

chkconfig mysqld on

生成随机密码

grep 'temporary password' /var/log/mysqld.log

重新登陆

mysql -uroot -p  

b/xE8hdZoEwJ

配置Mysql 密码以及权限

ALTER USER 'root'@'localhost' IDENTIFIED BY 'Report@123';

允许root用户在任何地方进行远程登录，并具有所有库任何操作权限

GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY 'Report@123' WITH GRANT OPTION;

FLUSH PRIVILEGES;