Linux中MySQL5.5解压版普通用户安装

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#查看本机mysql 安装路径

[hadoop@SY-0134 toolkit]$ rpm -qa|grep -i mysql[hadoop@SY-0134 toolkit]$ whereis mysqlmysql: /usr/lib/mysql /usr/share/mysql

环境Centos, 经过检验，上述目录实际没有mysql的安装，只是有一些lib包和帮助语言包。

#解压mysql-5.5.39-linux2.6-i686.tar.gz 到/lab/mysql5.5目录

#配置mysql5.5 conf文件

cp support-files/my-medium.cnf /data/my.cnf

#修改my.cnf文件，配置Mysql数据存储目录

在mysqld下面添加：datadir=/lab/mysql5.5/data

#配置目录用户访问权限:

[hadoop@SY-0134 mysql5.5]$ scripts/mysql_install_db -user=hadoopInstalling MySQL system tables...OKFilling help tables...OKTo start mysqld at boot time you have to copysupport-files/mysql.server to the right place for your systemPLEASE REMEMBER TO SET A PASSWORD FOR THE MySQL root USER !To do so, start the server, then issue the following commands:./bin/mysqladmin -u root password 'new-password'./bin/mysqladmin -u root -h SY-0134 password 'new-password'Alternatively you can run:./bin/mysql_secure_installationwhich will also give you the option of removing the testdatabases and anonymous user created by default. This isstrongly recommended for production servers.See the manual for more instructions.You can start the MySQL daemon with:cd . ; ./bin/mysqld_safe &You can test the MySQL daemon with mysql-test-run.plcd ./mysql-test ; perl mysql-test-run.plPlease report any problems at http://bugs.mysql.com/

#设置mysqld服务随服务器启动

#切换到root用户

cp support-files/mysql.server /etc/rc.d/init.d/mysqldchmod 700 /etc/init.d/mysqldchkconfig --add mysqldchkconfig -–level 2345 mysqld on

[root@SY-0134 mysql5.5]# chkconfig --list mysqld

mysqld 0:off 1:off 2:on 3:on 4:on 5:on 6:off

#修改/etc/rc.d/init.d/mysqld文件设置，制定Mysql安装目录和数据存储目录

basedir=/lab/mysql5.5

datadir=/lab/mysql5.5/data

#启动mysqld服务

service mysqld start

#查看3306端口是否打开。要注意在防火墙中开放该端口

netstat -atln