1.從官網https://dev.mysql.com/downloads/repo/yum/獲取下載鏈接,並用wget下載
wget https://repo.mysql.com//mysql80-community-release-el7-2.noarch.rpm
2. 安裝Mysql及其服務
sudo rpm -ivh mysql80-community-release-el7-2.noarch.rpm
yum install -y mysql mysql-server
3.啓動服務
sudo systemctl start mysqld
4.搜尋mysql root用戶初始密碼(mysql在安裝後會創建一個root@locahost賬戶,並且把初始的密碼放到了/var/log/mysqld.log文件中)
cat /var/log/mysqld.log | grep password
5.設置root用戶密碼(mysql8.0以上密碼策略限制必須要大小寫加數字特殊符號)
mysql -uroot -p
(先輸入剛纔獲得的密碼)
ALTER USER 'root'@'localhost' IDENTIFIED BY 'Newpass@123';
6.退出mysql登陸
mysql退出的三種方法:
mysql > exit;
mysql > quit;
mysql > \q;