搞定linux上MySQL编程（一）：linux上源码安装MySQL

时间：2022-05-09 00:18:44
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 1. 首先下载源码包： 
ftp://ftp.jaist.ac.jp/pub/mysql/Downloads/MySQL-5.1/mysql-5.1.72.tar.gz
 2. 使用如下命令检查系统中是否已安装mysql： 
rpm -qa |  grep mysql
 3.没有安装则解压安装包然后进入该目录： 
cd mysql
 分别依次执行如下操作： 
./configure --prefix=/usr/local/mysql --with-charset=gbk
make
make install

4.添加MySQL配置文件

如果你想要设置一个选项文件，使用support-files目录中的一个作为模板。在这个目录中有4个模板文件，是根据不同机器的内存定制的。

#cp support-files/my-medium.cnf /etc/my.cnf

5.设置开机自动启动

#cp support-files/mysql.server /etc/rc.d/init.d/mysqld
#chmod 755 /etc/init.d/mysqld
#chkconfig –-add mysqld
#chkconfig –-level 345 mysqld on

 6.创建mysql权限表： 
cd /usr/local/mysql
scripts/mysql_install_db --user=mysql
 7.最后将安装目录的拥有者和所属组分别变更为root和mysql， 命令为： 
chown -R root
chgrp -R mysql
 8.测试成功否？
第一次运行会弹出如下信息，说明安装成功：
 
#/etc/rc.d/init.d/mysqld start

Initializing MySQL database:  Installing MySQL system tables... 
OK 
Filling help tables... 
OK 
 
To start mysqld at boot time you have to copy 
support-files/mysql.server to the right place for your system 
 
PLEASE REMEMBER TO SET A PASSWORD FOR THE MySQL root USER ! 
To do so, start the server, then issue the following commands: 
 
/usr/bin/mysqladmin -u root password 'new-password' 
/usr/bin/mysqladmin -u root -h localhost.localdomain password 'new-password' 
 
Alternatively you can run: 
/usr/bin/mysql_secure_installation 
 
which will also give you the option of removing the test 
databases and anonymous user created by default.  This is 
strongly recommended for production servers. 
 
See the manual for more instructions. 
 
You can start the MySQL daemon with: 
cd /usr ; /usr/bin/mysqld_safe & 
 
You can test the MySQL daemon with mysql-test-run.pl 
cd /usr/mysql-test ; perl mysql-test-run.pl 
 
Please report any problems with the /usr/bin/mysqlbug script! 
 
                                                           [  OK  ] 
Starting mysqld:                                           [  OK  ]
9.查看3306端口是否启动： 
# netstat -altnp
Active Internet connections (servers and established)
Proto Recv-Q Send-Q Local Address               Foreign Address             State       PID/Program name  
tcp        0      0 0.0.0.0:<strong>3306 </strong>               0.0.0.0:*                   LISTEN      6946/mysqld        
tcp        0      0 0.0.0.0:111                 0.0.0.0:*                   LISTEN      1892/rpcbind        
tcp        0      0 192.168.122.1:53            0.0.0.0:*                   LISTEN      2726/dnsmasq
10.为了安全，需要修改密码，默认为空：
 
mysqladmin -u root password shallnet
 至此，可以在命令行上面使用新的密码登录mysql了。
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