CentOS6 安装MySQL

[root@www ~]# yum -y install mysql-server[root@www ~]# /etc/rc.d/init.d/mysqld start Initializing MySQL database:  Installing 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:/usr/bin/mysqladmin -u root password 'new-password'/usr/bin/mysqladmin -u root -h www.server.world password 'new-password'Alternatively you can run:/usr/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 /usr ; /usr/bin/mysqld_safe &You can test the MySQL daemon with mysql-test-run.plcd /usr/mysql-test ; perl mysql-test-run.plPlease report any problems with the /usr/bin/mysqlbug script!Starting mysqld:     [  OK  ][root@www ~]# chkconfig mysqld on [root@www ~]# mysql -u root # connect to MySQLWelcome to the MySQL monitor.  Commands end with ; or \g.Your MySQL connection id is 2Server version: 5.1.52 Source distributionCopyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved.This software comes with ABSOLUTELY NO WARRANTY. This is free software,and you are welcome to modify and redistribute it under the GPL v2 licenseType 'help;' or '\h' for help. Type '\c' to clear the current input statement.# show user infomysql> select user,host,password from mysql.user; # set root passwordmysql> set password for root@localhost=password('password'); Query OK, 0 rows affected (0.00 sec)# set root passwordmysql> set password for root@'127.0.0.1'=password('password'); Query OK, 0 rows affected (0.00 sec)# set root passwordmysql> set password for root@'www.server.world'=password('password'); Query OK, 0 rows affected (0.00 sec)# delete anonymous usermysql> delete from mysql.user where user=''; Query OK, 2 rows affected (0.00 sec)mysql> select user,host,password from mysql.user;mysql> exit # quitBye[root@www ~]# mysql -u root -p # connect with rootEnter password:# MySQL root passwordWelcome to the MySQL monitor.  Commands end with ; or \g.Your MySQL connection id is 4Server version: 5.1.52 Source distributionCopyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved.This software comes with ABSOLUTELY NO WARRANTY. This is free software,and you are welcome to modify and redistribute it under the GPL v2 licenseType 'help;' or '\h' for help. Type '\c' to clear the current input statement.mysql> exitBye