使用MySQL的yum源安裝MySQL5.7.9

關閉SELinux

sed -i '/SELINUX/s/enforcing/disabled/' /etc/selinux/config
setenforce 0
yum erase mariadb-*

下載MySQL5.7.9 yum倉庫

#RHEL/CentOS 7
wget http://dev.mysql.com/get/mysql57-community-release-el7-7.noarch.rpm


#RHEL/CentOS 6
wget http://dev.mysql.com/get/mysql57-community-release-el6-7.noarch.rpm


#RHEL/CentOS 5
wget http://dev.mysql.com/get/mysql57-community-release-el5-7.noarch.rpm


#Fedora 23
wget http://dev.mysql.com/get/mysql57-community-release-fc23-7.noarch.rpm


#Fedora 22
wget http://dev.mysql.com/get/mysql57-community-release-fc22-7.noarch.rpm


#Fedora 21
wget http://dev.mysql.com/get/mysql57-community-release-fc21-7.noarch.rpm

安裝MySQL yum倉庫

rpm -ivh mysql57-community-release-*.rpm

#驗證倉庫

yum repolist enabled | grep "mysql.*-community.*"

#安裝mysql

yum install mysql-community-server

#啓動mysql

service mysqld start

#查看啓動狀態

service mysqld status

#獲取臨時密碼
cat /var/log/mysqld.log|grep "A temporary password"

#修改密碼

mysqladmin -uroot -p'temp pwd' password 'newpwd'