[root@Master home]# useradd mysql[root@Master data]# echo 'mysql'|passwd --stdin mysql

[root@Master bin]# vim mysqld_safeuser='mysql' 修改為 user='hadoop' //自己的用戶 后邊步驟基本相同*[root@Slave1 data]# service mysql startStarting MySQL...... ERROR! The server quit without updating PID file (/home/hadoop/ruanJian/mysql/data/Slave1.Hadoop.pid).[root@Master data]#vim Slave1.Hadoop.err //查看日志文件160830 15:56:44 mysqld_safe Starting mysqld daemon with databases from /home/hadoop/ruanJian/mysql/data2016-08-30 15:56:49 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details).2016-08-30 15:56:49 1990 [ERROR] Fatal error: Can't change to run as user 'mysql' ; Please check that the user exists!2016-08-30 15:56:49 1990 [ERROR] Aborting2016-08-30 15:56:49 1990 [Note] Binlog end2016-08-30 15:56:49 1990 [Note] /home/hadoop/ruanJian/mysql/bin/mysqld: Shutdown complete160830 15:56:49 mysqld_safe mysqld from pid file /home/hadoop/ruanJian/mysql/data/Slave1.Hadoop.pid ended

[root@Master data]# tar -zxvf mysql-5.6.12-linux-glibc2.5-x86_64.tar.gz[root@Master data]# mv mysql-5.6.12-linux-glibc2.5-x86_64 mysql //重命名

[root@Master data]# chown -R mysql:mysql mysql

[root@Master data]# su mysql[mysql@Master data]$ cd mysql/scripts/[mysql@Master scripts]$

[mysql@Master scripts]$ ./mysql_install_db --user=mysql --basedir=/home/mysql/data/mysql --datadir=/home/mysql/data/mysql/data

Installing MySQL system tables...2016-08-30 19:55:41 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details).2016-08-30 19:55:42 1354 [Warning] Buffered warning: Changed limits: max_open_files: 1024 (requested 5000)2016-08-30 19:55:42 1354 [Warning] Buffered warning: Changed limits: table_cache: 431 (requested 2000)2016-08-30 19:55:42 1354 [Note] InnoDB: The InnoDB memory heap is disabled2016-08-30 19:55:42 1354 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins2016-08-30 19:55:42 1354 [Note] InnoDB: Compressed tables use zlib 1.2.32016-08-30 19:55:42 1354 [Note] InnoDB: Using Linux native AIO2016-08-30 19:55:42 1354 [Note] InnoDB: Not using CPU crc32 instructions2016-08-30 19:55:42 1354 [Note] InnoDB: Initializing buffer pool, size = 128.0M2016-08-30 19:55:42 1354 [Note] InnoDB: Completed initialization of buffer pool2016-08-30 19:55:42 1354 [Note] InnoDB: The first specified data file ./ibdata1 did not exist: a new database to be created!2016-08-30 19:55:42 1354 [Note] InnoDB: Setting file ./ibdata1 size to 12 MB2016-08-30 19:55:42 1354 [Note] InnoDB: Database physically writes the file full: wait...2016-08-30 19:55:42 1354 [Note] InnoDB: Setting log file ./ib_logfile101 size to 48 MB2016-08-30 19:55:43 1354 [Note] InnoDB: Setting log file ./ib_logfile1 size to 48 MB2016-08-30 19:55:44 1354 [Note] InnoDB: Renaming log file ./ib_logfile101 to ./ib_logfile02016-08-30 19:55:44 1354 [Warning] InnoDB: New log files created, LSN=457812016-08-30 19:55:44 1354 [Note] InnoDB: Doublewrite buffer not found: creating new2016-08-30 19:55:44 1354 [Note] InnoDB: Doublewrite buffer created2016-08-30 19:55:44 1354 [Note] InnoDB: 128 rollback segment(s) are active.2016-08-30 19:55:44 1354 [Warning] InnoDB: Creating foreign key constraint system tables.2016-08-30 19:55:44 1354 [Note] InnoDB: Foreign key constraint system tables created2016-08-30 19:55:44 1354 [Note] InnoDB: Creating tablespace and datafile system tables.2016-08-30 19:55:44 1354 [Note] InnoDB: Tablespace and datafile system tables created.2016-08-30 19:55:44 1354 [Note] InnoDB: Waiting for purge to start2016-08-30 19:55:44 1354 [Note] InnoDB: 5.6.12 started; log sequence number 02016-08-30 19:55:44 1354 [Note] Binlog end2016-08-30 19:55:44 1354 [Note] InnoDB: FTS optimize thread exiting.2016-08-30 19:55:44 1354 [Note] InnoDB: Starting shutdown...2016-08-30 19:55:46 1354 [Note] InnoDB: Shutdown completed; log sequence number 1625977OKFilling help tables...2016-08-30 19:55:46 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details).2016-08-30 19:55:46 1377 [Warning] Buffered warning: Changed limits: max_open_files: 1024 (requested 5000)2016-08-30 19:55:46 1377 [Warning] Buffered warning: Changed limits: table_cache: 431 (requested 2000)2016-08-30 19:55:46 1377 [Note] InnoDB: The InnoDB memory heap is disabled2016-08-30 19:55:46 1377 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins2016-08-30 19:55:46 1377 [Note] InnoDB: Compressed tables use zlib 1.2.32016-08-30 19:55:46 1377 [Note] InnoDB: Using Linux native AIO2016-08-30 19:55:46 1377 [Note] InnoDB: Not using CPU crc32 instructions2016-08-30 19:55:46 1377 [Note] InnoDB: Initializing buffer pool, size = 128.0M2016-08-30 19:55:46 1377 [Note] InnoDB: Completed initialization of buffer pool2016-08-30 19:55:46 1377 [Note] InnoDB: Highest supported file format is Barracuda.2016-08-30 19:55:46 1377 [Note] InnoDB: 128 rollback segment(s) are active.2016-08-30 19:55:46 1377 [Note] InnoDB: Waiting for purge to start2016-08-30 19:55:46 1377 [Note] InnoDB: 5.6.12 started; log sequence number 16259772016-08-30 19:55:46 1377 [Note] Binlog end2016-08-30 19:55:46 1377 [Note] InnoDB: FTS optimize thread exiting.2016-08-30 19:55:46 1377 [Note] InnoDB: Starting shutdown...2016-08-30 19:55:48 1377 [Note] InnoDB: Shutdown completed; log sequence number 1625987OKTo 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:/home/mysql/data/mysql/bin/mysqladmin -u root password 'new-password'/home/mysql/data/mysql/bin/mysqladmin -u root -h Master.Hadoop password 'new-password'Alternatively you can run:/home/mysql/data/mysql/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 . ; /home/mysql/data/mysql/bin/mysqld_safe &You can test the MySQL daemon with mysql-test-run.plcd mysql-test ; perl mysql-test-run.plPlease report any problems with the ./bin/mysqlbug script!The latest information about MySQL is available on the web athttp://www.mysql.comSupport MySQL by buying support/licenses at http://shop.mysql.comNew default config file was created as /home/mysql/data/mysql/my.cnf andwill be used by default by the server when you start it.You may edit this file to change server settingsWARNING: Default config file /etc/my.cnf exists on the systemThis file will be read by default by the MySQL serverIf you do not want to use this, either remove it, or use the--defaults-file argument to mysqld_safe when starting the server

[mysql@Master scripts]$ cd ../support-files/[root@Master support-files]# cp my-default.cnf /etc/my.cnf[root@Master support-files]# cp mysql.server /etc/init.d/mysql[root@Master support-files]# vim /etc/init.d/mysql //修改mysql文件

basedir=/home/mysql/data/mysqldatadir=/home/mysql/data/mysql/data

[root@Master support-files]# vim /etc/profile#set mysql environmentexport MYSQL_HOME=/home/mysql/data/mysqlexport PATH=$MYSQL_HOME/bin:$PATH

[root@Master bin]# chkconfig --add mysql //添加mysql[root@Master bin]# chkconfig mysql on //設置開機啟動

[root@Master support-files]# service mysql startenv: /etc/init.d/mysql: 權限不夠 //如果出現這個提示 執行以下命令重新啟動[root@Master support-files]# chmod a+wrx /etc/init.d/mysql[root@Master support-files]# service mysql startStarting MySQL.. SUCCESS! //啟動成功

[root@Master ~]# cd /home/mysql/data/mysql/bin/ //進去mysql的bin目錄[root@Master bin]# ./mysqladmin -u root password 'password' //'password' 為自己設置的密碼引號非必須[root@Master bin]# ./mysqladmin -u root password mysql[root@Master bin]# mysql -u root -pEnter password: Welcome to the MySQL monitor. Commands end with ; or /g.Your MySQL connection id is 4Server version: 5.6.12 MySQL Community Server (GPL)Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.Oracle is a registered trademark of Oracle Corporation and/or itsaffiliates. Other names may be trademarks of their respectiveowners.Type 'help;' or '/h' for help. Type '/c' to clear the current input statement.mysql>