下载mysql5.7.23
cd /home
wget http://ftp.ntu.edu.tw/pub/MySQL/Downloads/MySQL-5.7/mysql-5.7.23-1.el6.x86_64.rpm-bundle.tar
先关掉mysql
service mysql stop
检查当前安装的mysql
rpm -qa |grep -i mysql
卸载掉已安装的mysql
yum remove MySQL-client MySQL-server MySQL-devel MySQL-shared MySQL-shared-compat
安装mysql5.7.23
tar -xvf mysql-5.7.23-1.el6.x86_64.rpm-bundle.tar
rpm -ivh mysql-community-common-5.7.23-1.el6.x86_64.rpm
rpm -ivh mysql-community-libs-5.7.23-1.el6.x86_64.rpm
rpm -ivh mysql-community-client-5.7.23-1.el6.x86_64.rpm
rpm -ivh mysql-community-server-5.7.23-1.el6.x86_64.rpm
安装好的密码也是在 cat /root/.mysql_secret 里
注意:卸载升级的时候,用的还是老密码
查看新版本
mysql -V
启动mysql,并升级(假设密码是123456)
service mysqld start
mysql_upgrade -uroot -p123456
service mysqld restart