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linux ubuntu12.04 卸载和安装mysql_MySQL

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Release: 2016-06-01 13:07:21
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Ubuntumysql卸载

转自:http://blog.csdn.net/mzlqh/article/details/7621307

卸载mysql

第一步

1 sudo apt-get autoremove --purge mysql-server-5.0
2 sudo apt-get remove mysql-server
3 sudo apt-get autoremove mysql-server
4 sudo apt-get remove mysql-common (非常重要)

第二步:清理残留数据

1 dpkg -l |grep ^rc|awk '{print $2}' |sudo xargs dpkg -P

第三步:安装 mysql

1 sudo apt-get install mysql-server
2 sudo apt-get install mysql-client
3 sudo apt-get install php5-mysql(安装php5-mysql 是将php和mysql连接起来 )

一旦安装完成,MySQL 服务器应该自动启动。您可以在终端提示符后运行以下命令来检查 MySQL 服务器是否正在运行:

1 sudo netstat -tap | grep mysql

当您运行该命令时,您可以看到类似下面的行:

tcp 0 0 localhost.localdomain:mysql *:* LISTEN -

如果服务器不能正常运行,您可以通过下列命令启动它:

1 sudo /etc/init.d/mysql restart

第四步:配置管理员密码

进入mysql

1 $mysql -uroot -p 管理员密码

配置 MySQL 的管理员密码:

1 sudo mysqladmin -u root password newpassword
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