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这几天在centos下装mysql，这里记录一下安装的过程，方便以后查阅
Mysql5.5.37安装需要cmake，5.6版本开始都需要cmake来编译，5.5以后的版本应该也要装这个。
安装cmake
复制代码 代码如下:
[root@local ~]# wget http://www.cmake.org/files/v2.8/cmake-2.8.12.2.tar.gz
[root@local ~]# tar xvf cmake-2.8.12.2.tar.gz
[root@local ~]# cd cmake-2.8.12.2
[root@local cmake-2.8.12.2]#./bootstrap
[root@local cmake-2.8.12.2]# make
[root@local cmake-2.8.12.2]# make install

安装mysql
复制代码 代码如下:
[root@local ~]# wget http://cdn.mysql.com/Downloads/MySQL-5.5/mysql-5.5.37.tar.gz
[root@local ~]# tar xvf mysql-5.5.37.tar.gz
[root@local ~]# cd mysql-5.5.37
[root@local mysql-5.5.37]# cmake ./

可能还会报这个错，没有就跳过
复制代码 代码如下:
CMake Error at cmake/readline.cmake:83（MESSAGE）:
Curses library not found.  Pleaseinstall appropriate package,
remove CMakeCache.txt and rerun cmake.On Debian/Ubuntu, package name islibncurses5-dev, on Redhat and derivates it is ncurses-devel.
Call Stack （most recent call first）:
 cmake/readline.cmake:127 （FIND_CURSES）
 cmake/readline.cmake:217 （MYSQL_USE_BUNDLED_LIBEDIT）
 CMakeLists.txt:355 （MYSQL_CHECK_READLINE
-- Configuring incomplete, errors occurred！
See also "/root/my/mysql-5.5.37/CMakeFiles/CMakeOutput.log".
See also"/root/my/mysql-5.5.37/CMakeFiles/CMakeError.log".

说明centos系统没有ncurses-devel
复制代码 代码如下:
[root@local ~]# wget http://invisible-island.net/datafiles/release/ncurses.tar.gz
[root@local ~]# cd ncurses-5.9
[root@local ncurses-5.9]#./configure
[root@local ncurses-5.9]# make
[root@local ncurses-5.9]# make install

再删除刚才编译生成的 CMakeCache.txt 文件，否则无法进行下一步
复制代码 代码如下:
[root@local mysql-5.5.37]# rm -f CMakeCache.txt

继续编译mysql
复制代码 代码如下:
[root@local ~]# cmake ./
[root@local ~]# make
[root@local ~]# make install

这样，mysql默认将成功安装到/usr/local/mysql
创建mysql用户组
复制代码 代码如下:
[root@local ~]# groupadd mysql
[root@local ~]# useradd –r –g mysql mysql
[root@local ~]# chown –R mysql.mysql /usr/local/mysql

启动mysql
复制代码 代码如下:
[root@local ~]# /usr/local/mysql/bin/mysqld_safe --user=mysql 

这里可能会发生错误，没有就跳过：
复制代码 代码如下:
FATAL ERROR: Could not find./bin/my_print_defaults
If you compiled from source, you need torun "make install" to
copy the software into the correct locationready for operation.
If you are using a binary release, you musteither be at the top
level of the extracted archive, or pass the --basedir option
pointing to that location.

解决方法：
复制代码 代码如下:
[root@local ~]# /usr/local/mysql/scripts/mysql_install_db --user=mysql --basedir=/usr/local/mysql --datadir=/usr/local/mysql/data

再启动mysql
复制代码 代码如下:
[root@local ~]# /usr/local/mysql/bin/mysqld_safe --user=mysql

注册mysql服务，开机自动启动
1.设置mysql配置文件到/etc目录
复制代码 代码如下:
[root@local ~]# cp /usr/local/mysql/support-files/my-medium.cnf/etc/my.cnf 

2.设置mysql开机自启
复制代码 代码如下:
[root@local ~]# cp/usr/local/mysql/support-files/mysql.server /etc/init.d/mysql
[root@local ~]# chmod +x /etc/init.d/mysql
[root@local ~]# /sbin/chkconfig --add mysql

3.启动mysql服务
复制代码 代码如下:
[root@local ~]# service mysql start 

测试mysql是否安装成功
复制代码 代码如下:
[root@local ~]# /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 1 
Server version: 5.5.37 Source distribution 
  
Copyright （c） 2000, 2014, Oracle and/or itsaffiliates. All rights reserved. 
  
Oracle is a registered trademark of OracleCorporation and/or its 
affiliates. Other names may be trademarksof their respective 
owners. 
  
Type "help;" or "h" for help. Type "c" toclear the current input statement. 
  
mysql> show databases; 
+--------------------+ 
| Database           | 
+--------------------+ 
| information_schema | 
| mysql              | 
| performance_schema | 
| test               | 
+--------------------+ 
4 rows in set （0.03 sec）