設置root權限(ubuntu)
爲root設置一個root密碼就行了: $ sudopasswd root
su root
1、安裝mysql:
sudo apt-get install mysql-server
sudo apt-get install mysql-client
sudo apt-get install php5-mysql(用於連接php和mysql)
查看mysql是否運行
ps aux | grep mysql
啓動命令
/etc/init.d/mysql start
2.刪除mysql
按順序執行以下命令
sudo apt-get autoremove --purge mysql-server-5.0
sudo apt-get remove mysql-server
sudo apt-get autoremove mysql-server
sudo apt-get remove mysql-common
清理殘留數據
dpkg -l |grep ^rc|awk '{print $2}' |sudo xargs dpkg -P
----------------------修改密碼--------------------------
1. 先停止mysql
- sudo service mysql stop
- sudo mysqld_safe --user=mysql --skip-grant-tables --skip-networking
- mysql -u root mysql
- update user set password=PASSWORD('newpassword') where user='root';
- select * from user where user='root';
-
update user set Grant_priv='Y' where user='root';
- kill -9 mysqld_safe_pid
- pkill mysql
-
service mysql start