在新版本的CentOS7中,默認的數據庫已更新爲了Mariadb,而非 MySQL,因此執行 yum install mysql 命令只是更新Mariadb數據庫,並不會安裝 MySQL mysql
wget http://repo.mysql.com/mysql-community-release-el7-5.noarch.rpm3d
4. 安裝mysql-community-release-el7-5.noarch.rpm包rest
rpm -ivh mysql-community-release-el7-5.noarch.rpm
systemctl start mysqld.service #啓動 mysql
systemctl restart mysqld.service #重啓 mysql
systemctl stop mysqld.service #中止 mysql
systemctl enable mysqld.service #設置 mysql 開機啓動
mysql> update user set password=PASSWORD("這裏輸入root用戶密碼") where User='root';
mysql> flush privileges; #從新加載權限
mysql> GRANT ALL PRIVILEGES ON *.* TO root@"%" IDENTIFIED BY "123456";