今天试了下在Linux下安装mysql，我只选了server和client两个组件, 没有装其他的组件. 安装包的下载可以参见 http://www.mysql.com/downloads/ server端的安装： [root@oel2 install_mysql]# rpm -ivh MySQL-server-advanced-5.6.14-1.rhel5.i386.rpm Preparing...                ########################################### [100%]    1:MySQL-server-advanced  ########################################### [100%] 2013-12-08 21:49:03 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details). 2013-12-08 21:49:03 17530 [Note] InnoDB: The InnoDB memory heap is disabled 2013-12-08 21:49:03 17530 [Note] InnoDB: Mutexes and rw_locks use InnoDB's own implementation 2013-12-08 21:49:03 17530 [Note] InnoDB: Compressed tables use zlib 1.2.3 2013-12-08 21:49:03 17530 [Note] InnoDB: Using Linux native AIO 2013-12-08 21:49:03 17530 [Note] InnoDB: Not using CPU crc32 instructions 2013-12-08 21:49:03 17530 [Note] InnoDB: Initializing buffer pool, size = 128.0M 2013-12-08 21:49:03 17530 [Note] InnoDB: Completed initialization of buffer pool 2013-12-08 21:49:03 17530 [Note] InnoDB: The first specified data file ./ibdata1 did not exist: a new database to be created! 2013-12-08 21:49:03 17530 [Note] InnoDB: Setting file ./ibdata1 size to 12 MB 2013-12-08 21:49:03 17530 [Note] InnoDB: Database physically writes the file full: wait... 2013-12-08 21:49:04 17530 [Note] InnoDB: Setting log file ./ib_logfile101 size to 48 MB 2013-12-08 21:49:06 17530 [Note] InnoDB: Setting log file ./ib_logfile1 size to 48 MB 2013-12-08 21:49:09 17530 [Note] InnoDB: Renaming log file ./ib_logfile101 to ./ib_logfile0 2013-12-08 21:49:09 17530 [Warning] InnoDB: New log files created, LSN=45781 2013-12-08 21:49:09 17530 [Note] InnoDB: Doublewrite buffer not found: creating new 2013-12-08 21:49:09 17530 [Note] InnoDB: Doublewrite buffer created 2013-12-08 21:49:09 17530 [Note] InnoDB: 128 rollback segment(s) are active. 2013-12-08 21:49:10 17530 [Warning] InnoDB: Creating foreign key constraint system tables. 2013-12-08 21:49:10 17530 [Note] InnoDB: Foreign key constraint system tables created 2013-12-08 21:49:10 17530 [Note] InnoDB: Creating tablespace and datafile system tables. 2013-12-08 21:49:10 17530 [Note] InnoDB: Tablespace and datafile system tables created. 2013-12-08 21:49:10 17530 [Note] InnoDB: Waiting for purge to start 2013-12-08 21:49:10 17530 [Note] InnoDB: 5.6.14 started; log sequence number 0 2013-12-08 21:49:10 17530 [Note] RSA private key file not found: /var/lib/mysql//private_key.pem. Some authentication plugins will not work. 2013-12-08 21:49:10 17530 [Note] RSA public key file not found: /var/lib/mysql//public_key.pem. Some authentication plugins will not work. A random root password has been set. You will find it in '/root/.mysql_secret'. 2013-12-08 21:49:12 17530 [Note] Binlog end 2013-12-08 21:49:12 17530 [Note] InnoDB: FTS optimize thread exiting. 2013-12-08 21:49:12 17530 [Note] InnoDB: Starting shutdown... 2013-12-08 21:49:13 17530 [Note] InnoDB: Shutdown completed; log sequence number 1625977 2013-12-08 21:49:13 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details). 2013-12-08 21:49:13 17568 [Note] InnoDB: The InnoDB memory heap is disabled 2013-12-08 21:49:13 17568 [Note] InnoDB: Mutexes and rw_locks use InnoDB's own implementation 2013-12-08 21:49:13 17568 [Note] InnoDB: Compressed tables use zlib 1.2.3 2013-12-08 21:49:13 17568 [Note] InnoDB: Using Linux native AIO 2013-12-08 21:49:13 17568 [Note] InnoDB: Not using CPU crc32 instructions 2013-12-08 21:49:13 17568 [Note] InnoDB: Initializing buffer pool, size = 128.0M 2013-12-08 21:49:13 17568 [Note] InnoDB: Completed initialization of buffer pool 2013-12-08 21:49:13 17568 [Note] InnoDB: Highest supported file format is Barracuda. 2013-12-08 21:49:13 17568 [Note] InnoDB: 128 rollback segment(s) are active. 2013-12-08 21:49:13 17568 [Note] InnoDB: Waiting for purge to start 2013-12-08 21:49:13 17568 [Note] InnoDB: 5.6.14 started; log sequence number 1625977 2013-12-08 21:49:13 17568 [Note] RSA private key file not found: /var/lib/mysql//private_key.pem. Some authentication plugins will not work. 2013-12-08 21:49:13 17568 [Note] RSA public key file not found: /var/lib/mysql//public_key.pem. Some authentication plugins will not work. 2013-12-08 21:49:13 17568 [Note] Binlog end 2013-12-08 21:49:13 17568 [Note] InnoDB: FTS optimize thread exiting. 2013-12-08 21:49:13 17568 [Note] InnoDB: Starting shutdown... 2013-12-08 21:49:15 17568 [Note] InnoDB: Shutdown completed; log sequence number 1625987 A RANDOM PASSWORD HAS BEEN SET FOR THE MySQL root USER ! You will find that password in '/root/.mysql_secret'. You must change that password on your first connect, no other statement but 'SET PASSWORD' will be accepted. See the manual for the semantics of the 'password expired' flag. Also, the account for the anonymous user has been removed. In addition, you can run:   /usr/bin/mysql_secure_installation which will also give you the option of removing the test database. This is strongly recommended for production servers. See the manual for more instructions. Please report any problems with the /usr/bin/mysqlbug script! The latest information about MySQL is available on the web at   http://www.mysql.com Support MySQL by buying support/licenses at http://shop.mysql.com New default config file was created as /usr/my.cnf and will be used by default by the server when you start it. You may edit this file to change server settings client端的安装： [root@oel2 install_mysql]# rpm -ivh MySQL-client-advanced-5.6.14-1.rhel5.i386.rpm Preparing...                ########################################### [100%]    1:MySQL-client-advanced  ########################################### [100%] [mysql@oel2 bin]$ yum list installed mysql\* Loaded plugins: security Installed Packages MySQL-client-advanced.i386                     5.6.14-1.rhel5                      installed MySQL-server-advanced.i386                     5.6.14-1.rhel5                      installed [mysql@oel2 bin]$  启动服务 [root@oel2 ~]# service mysql start Starting MySQL..                                           [  OK  ] 检查mysql端口3306是否正常 [root@oel2 ~]# netstat -nat|grep 3306 tcp        0      0 :::3306                     :::*                        LISTEN       [ 连接的时候总是报错。错误大概有如下几种。 [root@oel2 ~]# mysql -u root ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: NO) [root@oel2 ~]# mysql -u root ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: NO) [root@oel2 ~]# mysqladmin -u root -p password '123456' Enter password:  mysqladmin: connect to server at 'localhost' failed error: 'Access denied for user 'root'@'localhost' (using password: YES)' [root@oel2 ~]# /etc/init.d/mysql stop  Shutting down MySQL..                                      [  OK  ] [root@oel2 ~]# mysqld_safe --user=mysql --skip-grant-tables --skip-networking & [1] 26352 131208 22:58:35 mysqld_safe Logging to '/var/lib/mysql/oel2.err'. 131208 22:58:35 mysqld_safe Starting mysqld daemon with databases from /var/lib/mysql [root@oel2 ~]# mysql -u root mysql Reading table information for completion of table and column names You can turn off this feature to get a quicker startup with -A Welcome to the MySQL monitor.  Commands end with ; or \g. Your MySQL connection id is 1 Server version: 5.6.14-enterprise-commercial-advanced MySQL Enterprise Server - Advanced Edition (Commercial) Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved. Oracle is a registered trademark of Oracle Corporation and/or its affiliates. Other names may be trademarks of their respective owners. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. mysql> update user set password=password('mysql') where user='root'; Query OK, 4 rows affected (0.08 sec) Rows matched: 4  Changed: 4  Warnings: 0 mysql> flush privileges; Query OK, 0 rows affected (0.05 sec) mysql> quit Bye [root@oel2 ~]# /etc/init.d/mysql restart Shutting down MySQL..131208 22:59:59 mysqld_safe mysqld from pid file /var/lib/mysql/oel2.pid ended                                                            [  OK  ] Starting MySQL..                                           [  OK  ] [1]+  Done                    mysqld_safe --user=mysql --skip-grant-tables --skip-networking [root@oel2 ~]# mysql -uroot -p Enter password:  Welcome to the MySQL monitor.  Commands end with ; or \g. Your MySQL connection id is 1 Server version: 5.6.14-enterprise-commercial-advanced Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved. Oracle is a registered trademark of Oracle Corporation and/or its affiliates. Other names may be trademarks of their respective owners. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. mysql>  mysql> show databases; ERROR 1820 (HY000): You must SET PASSWORD before executing this statement mysql> SET PASSWORD = PASSWORD('mysql'); Query OK, 0 rows affected (0.00 sec) mysql> create database test; ERROR 1007 (HY000): Can't create database 'test'; database exists mysql> show databases; +--------------------+ | Database           | +--------------------+ | information_schema | | mysql              | | performance_schema | | test               | +--------------------+ 4 rows in set (0.01 sec)

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