Linux中mysql安装及其卸载
Linux下卸载MySQL
1、查找以前是否装有MySQL
命令:rpm -qa|grep -i MySQL
可以看到MySQL的两个包:
MySQL-4.1.12-3.RHEL4.1
MySQLclient10-3.23.58-4.RHEL4.1
2、删除MySQL
删除命令:rpm -e --nodeps 包名
( rpm -ev MySQL-4.1.12-3.RHEL4.1 )
3、删除老版本MySQL的开发头文件和库
命令:rm -fr /usr/lib/MySQL
rm -fr /usr/include/MySQL
注意:卸载后/var/lib/MySQL中的数据及/etc/my.cnf不会删除,如果确定没用后就手工删除
rm -f /etc/my.cnf
rm -fr /var/lib/MySQL
安装MySQL
安装前准备:两个rpm包
MySQL-client-5.1.20-0.glibc23.i386.rpm
MySQL-server-5.1.20-0.glibc23.i386.rpm
1、安装服务端:
命令:rpm -ivh MySQL-server-5.1.20-0.glibc23.i386.rpm
安装成功会出现....
warning: MySQL-server-5.1.20-0.glibc23.i386.rpm: V3 DSA signature: NOKEY, key ID 5072e1f5
Preparing... ########################################### [100%]
1:MySQL-server ########################################### [100%]
080220 13:58:27 [Note] Plugin 'InnoDB' disabled by command line option
080220 13:58:28 [Note] Plugin 'InnoDB' disabled by command line option
PLEASE REMEMBER TO SET A PASSWORD FOR THE MySQL root USER !
To do so, start the server, then issue the following commands:
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