1.下載下傳并安裝MySQL官方的 Yum Repository
1.下載下傳mysql的yum repository
wget -i -c http://dev.mysql.com/get/mysql57-community-release-el7-10.noarch.rpm
2.采用yum指令安裝
yum -y install mysql57-community-release-el7-10.noarch.rpm
3.安裝mysql伺服器
yum -y install mysql-community-server
4.啟動mysql服務
systemctl start mysqld.service
檢視服務狀态
systemctl status mysqld.service
5.擷取mysql的密碼或者修改免密碼登入
vi /etc/my.cnf
添加:skip-grant-tables
6.重新開機mysql服務:systemctl restart mysqld.service
7.登入mysql:
mysql -uroot -p
免密碼登入時直接回車就行了
8.修改mysql登入密碼見:https://blog.csdn.net/qq_31073717/article/details/80635037
重點推薦第二種:centos下完全解除安裝mysql後,重新安裝mysql即可。