CentOS 5.5下安装MySQL 5.5全过程分享

答案：
打开终端 

切换到根目录 

[shell@localhost ~]# su -安装Mysql5.5之前先卸载CentOS自带的Mysql5.0。 

[root@localhost ~]# yum remove mysql 

安装cmake 

下载cmake源码包cmake-2.8.5.tar.gz 

[root@localhost ~]# wget http://www.cmake.org/files/v2.8/cmake-2.8.5.tar.gz编译安装[root@localhost]# tar xzvf cmake-2.8.5.tar.gz [root@localhost]# cd cmake-2.8.5 [root@localhost cmake-2.8.5]# ./bootstrap Error when bootstrapping CMake: Cannot find appropriate C compiler on this system. Please specify one using environment variable CC. See cmake_bootstrap.log for compilers attempted. 报错：缺少C的编译器。 

解决方法：安装gcc编译器 

可以从Linux系统的安装盘中安装，也可以简单地用yum安装 

[root@localhost ~]# yum install gcc 

继续cmake的安装 

[root@localhost cmake-2.8.5]# ./bootstrap Error when bootstrapping CMake: Cannot find appropriate C++ compiler on this system. Please specify one using environment variable CXX. See cmake_bootstrap.log for compilers attempted. 再次报错：缺少C++编译器。 

安装gcc-c++编译器 

同样可以从Linux系统的安装盘中安装，或者简单地用yum安装 

[root@localhost ~]# yum install gcc-c++ 

重复上面的操作 

[root@localhost cmake-2.8.5]# ./bootstrap 

没有报错后，编译安装 

[root@localhost cmake-2.8.5]# make [root@localhost cmake-2.8.5]# make install[root@localhost cmake-2.8.5]# cmake -version 

开始正式安装Mysql 

添加mysql用户和用户组 

[root@localhost ~]# groupadd mysql [root@localhost ~]# useradd -g mysql mysql 

下载mysql的源码包mysql-5.5.27.tar.gz 

[root@localhost ~]# wget http://dev.mysql.com/Downloads/MySQL-5.5/mysql-5.5.27.tar.gz解压 

[root@localhost ~]# cd /usr/local/[root@localhost local]# tar xzvf mysql-5.5.27.tar.gz[root@localhost local]# cd mysql-5.5.27 

cmake运行 

[root@localhost mysql-5.5.27]# cmake . 

报错： 

-- Could NOT find Curses (missing: CURSES_LIBRARY CURSES_INCLUDE_PATH) CMake Error at cmake/readline.cmake:82 (MESSAGE): Curses library not found. Please install appropriate package, remove CMakeCache.txt and rerun cmake.On Debian/Ubuntu, package name is libncurses5-dev, on Redhat and derivates it is ncurses-devel. Call Stack (most recent call first): cmake/readline.cmake:126 (FIND_CURSES) cmake/readline.cmake:216 (MYSQL_USE_BUNDLED_LIBEDIT) CMakeLists.txt:250 (MYSQL_CHECK_READLINE) -- Configuring incomplete, errors occurred! 

解决办法： 

[root@localhost mysql-5.5.27]# rm CMakeCache.txt [root@localhost mysql-5.5.27]# yum -y install ncurses-devel* 

重新cmake运行 

[root@localhost mysql-5.5.27]# cmake .还是有个警告 

Warning: Bison executable not found in PATH有一个警告，也解决了它，缺少Bison就安装一下 

[root@localhost mysql-5.5.27]# yum install bison 

再次运行，没有报错 

[root@localhost mysql-5.5.27]# cmake .在编译安装前，可以设置安装的配置选项 

[root@localhost mysql-5.5.27]# ./configure --help根据帮助信息选择自己需要设置的选项，当然也可以跳过这步，按默认设置 


#开始编译安装，时间有点稍长... 

[root@localhost mysql-5.5.27]# make && make install完成编译安装 

进入安装目录，将程序二进制的所有权改为root，数据目录的所有权改为mysql用户，更新授权表 

[root@localhost mysql-5.5.27]# cd /usr/local/mysql[root@localhost mysql]# chown -R root . [root@localhost mysql]# chown -R mysql . [root@localhost mysql]# chgrp -R mysql . [root@localhost mysql]# scripts/mysql_install_db --user=mysql 初始化数据库[root@localhost mysql]# /usr/local/mysql/scripts/mysql_install_db --user=mysql --basedir=/usr/local/mysql --datadir=/usr/local/mysql/data 安全启动mysql 

[root@localhost mysql]# ./bin/mysqld_safe --user=mysql关闭mysql 

[root@localhost mysql]# ./bin/mysqladmin -u root shutdown -p默认密码为空方便调用，为mysql设置一个软链接[root@localhost ~]# ln -s /usr/local/mysql/bin/mysql /usr/bin/mysql 

其他设置处理： 

设置选项文件，将配置文件拷贝到/etc下 

[root@localhost mysql]# cp support-files/my-medium.cnf /etc/mysql.cnf 设置开机自启动[root@localhost mysql]# cp support-files/mysql.server /etc/init.d/mysql [root@localhost mysql]# chmod +x /etc/init.d/mysql [root@localhost mysql]# chkconfig –add mysqld[root@localhost mysql]# chkconfg mysqld on 

现在可以通过服务来启动和关闭Mysql服务器 

[root@localhost ~]# service mysql start [root@localhost ~]# service mysql shutdown 

连接服务器 

[root@localhost ~]# mysql -u root -pyourpasswordWelcome to the MySQL monitor. Commands end with ; or \g.Your MySQL connection id is 3 to server version: 5.5.27 Source distributinoType 'help;' or '\h' for help. Type '\c' to clear the buffer.mysql> ...mysql> 提示符告诉你mysql准备为你输入命令。 

至此MySQL已经正常安装并可以使用 

mysql> QUIT

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