源码编译Mysql

环境：CentOS 6.5

[root@localhost software]# yum -y install gcc gcc-c++
[root@localhost software]# tar -zxvf cmake-2.8.5.tar.gz
[root@localhost software]# cd cmake-2.8.5
[root@localhost cmake-2.8.5]# ./configure --prefix=/usr/local/cmake
···
CMake has bootstrapped.  Now run gmake.
[root@localhost cmake-2.8.5]# gmake
[root@localhost cmake-2.8.5]# make install
[root@localhost software]# yum -y install bison ncurses-devel
[root@localhost software]# useradd mysql -s /sbin/nologin
[root@localhost software]# tar -zxvf mysql-5.5.25.tar.gz
[root@localhost software]# cd mysql-5.5.25
[root@localhost mysql-5.5.25]# mkdir -p /usr/local/mysql/data
[root@localhost mysql-5.5.25]# mkdir -p /usr/local/mysql/etc
[root@localhost mysql-5.5.25]# mkdir -p /usr/local/mysql/log
[root@localhost mysql-5.5.25]# /usr/local/cmake/bin/cmake -DCMAKE_INSTALL_PREFIX=/usr/local/mysql -DMYSQL_UNIX_ADDR=/usr/local/mysql/mysql.sock -DDEFAULT_CHARSET=utf8 -DDEFAULT_COLLATION=utf8_general_ci -DWITH_EXTRA_CHARSETS:STRING=utf8,gbk -DWITH_MYISAM_STORAGE_ENGINE=1 -DWITH_INNOBASE_STORAGE_ENGINE=1 -DWITH_READLINE=1 -DENABLED_LOCAL_INFILE=1 -DMYSQL_DATADIR=/usr/local/mysql/data
[root@localhost mysql-5.5.25]# make &&make install
[root@localhost mysql-5.5.25]# make clean &&rm -rf CMakeCache.txt /etc/my.cnf
[root@localhost mysql-5.5.25]# chown mysql:mysql /usr/local/mysql/ -R
[root@localhost mysql-5.5.25]# cd /usr/local/mysql/
[root@localhost mysql]# cp support-files/my-medium.cnf /usr/local/mysql/etc/my.cnf
[root@localhost mysql-5.5.25]# cp support-files/mysql.server /etc/init.d/mysqld
[root@localhost mysql-5.5.25]# /usr/local/mysql/scripts/mysql_install_db --defaults-file=/usr/local/mysql/etc/my.cnf --basedir=/usr/local/mysql --datadir=/usr/local/mysql/data/ --user=mysql        //初始化mysql数据库
[root@localhost ~]# chmod +x /etc/init.d/mysqld
[root@localhost ~]# head -n 47 /etc/init.d/mysqld |tail -n 2
basedir="/usr/local/mysql"
datadir="/usr/local/mysql/data"
[root@localhost ~]# /etc/init.d/mysqld start
Starting MySQL... SUCCESS!
[root@localhost ~]#

[root@localhost ~]# chkconfig mysqld on
[root@localhost ~]# netstat -tunlp|grep mysqld
tcp        0      0 0.0.0.0:3306                0.0.0.0:*                   LISTEN      1451/mysqld
[root@localhost ~]#
[root@localhost ~]# /usr/local/mysql/bin/mysqladmin -u root password redhat              //刚装完数据库用这个命令给root用户设置密码

[root@localhost ~]# /usr/local/mysql/bin/mysql -u root -p

Enter password:

Welcome to the MySQL monitor.  Commands end with ; or \g.

Your MySQL connection id is 3

Server version: 5.5.25-log Source distribution

Copyright (c) 2000, 2011, 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>

修改root用户密码：

在外部修改root用户密码：

[root@localhost ~]# 
/usr/local/mysql/bin/mysqladmin -u root -p password "redhat"

Enter password: [输入原来的密码]

[root@localhost ~]#

在MYSQL数据库里面修改root用户密码：

[root@localhost ~]# /usr/local/mysql/bin/mysql -u root -p

Enter password:[输入原来的密码]

Welcome to the MySQL monitor.  Commands end with ; or \g.

Your MySQL connection id is 9

Server version: 5.5.25-log Source distribution

Copyright (c) 2000, 2011, 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> use mysql;
Database changed
mysql> update user set password=password(‘redhat123‘) where user=‘root‘;
Query OK, 4 rows affected (0.01 sec)
Rows matched: 4  Changed: 4  Warnings: 0
mysql> quit
Bye
[root@localhost ~]# ln -s /usr/local/mysql/bin/* /bin/

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