CentOS 7.0下使用yum安裝MySQL

1.下載mysql的repo源mysql

$ wget http://repo.mysql.com/mysql-community-release-el7-5.noarch.rpmsql

2.安裝mysql-community-release-el7-5.noarch.rpm包socket

$ sudo rpm -ivh mysql-community-release-el7-5.noarch.rpmrest

安裝這個包後,會得到兩個mysql的yum repo源:/etc/yum.repos.d/mysql-community.repo,/etc/yum.repos.d/mysql-community-source.repo。server

3.安裝mysqlget

$ sudo yum install mysql-serverit

根據提示安裝就能夠了,不過安裝完成後沒有密碼,須要重置密碼登錄

4.重置mysql密碼date

$ mysql -u rootservice

登陸時有可能報這樣的錯:ERROR 2002 (HY000): Can‘t connect to local MySQL server through socket ‘/var/lib/mysql/mysql.sock‘ (2),緣由是/var/lib/mysql的訪問權限問題。下面的命令把/var/lib/mysql的擁有者改成當前用戶:

$ sudo chown -R root:root /var/lib/mysql

重啓mysql服務

$ service mysqld restart

接下來登陸重置密碼:

$ mysql -u root  //直接回車進入mysql控制檯mysql > use mysql;mysql > update user set password=password('123456') where user='root';mysql > exit;

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