red5下mysql安装配置

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1.查看本机已安装的mysql程序

rpm -qa |grep mysql 

2.卸载已安装的mysql

rpm -e mysql-3.23.49-3 -nodeps 

3.开始安装mysql
    

     shell> groupadd mysql
     shell> useradd -g mysql mysql
     shell> gunzip < mysql-VERSION.tar.gz | tar -xvf -
     shell> cd mysql-VERSION

     shell> ./configure --prefix=/usr/local/mysql --enable-thread-safe-client --enable-local-infile --with-charset=gbk --with-extra-charsets="gbk gb2312 big5 utf8" --with-low-memory

     shell> make
     shell> make install

     shell> cp support-files/my-medium.cnf /etc/my.cnf
     shell> cd /usr/local/mysql

     shell> chown -R mysql .
     shell> chgrp -R mysql .
     shell> bin/mysql_install_db --user=mysql
     shell> chown -R root .
     shell> chown -R mysql var

4.启动服务

 ./bin/mysqld_safe --user=mysql & 

5.增加mysql环境变量，退出保存

vi /etc/profile 
/usr/local/mysql/bin:

进入 usr/local/mysql 目录

输入命令 ./bin/mysql -u root -p 登录mysql

停止服务 /usr/bin/mysqladmin -u root -p shutdown

查看mysql是否启动命令

ps -aux | grep mysqld 

查看mysql是否在监听端口命令

netstat -tl | grep mysql 

修改密码

1.mysqladmin -u root password 'root'

2.mysql>UPDATE user SET password=PASSWORD(‘new_password’) WHERE user=’root’;
  mysql>FLUSH PRIVILEGES; 


3.mysql>set password for lqw=password("admin");

用户授权

GRANT ALL ON *.* TO root@'%' IDENTIFIED BY 'root'  授权远

程登陆用户 
   
GRANT ALL ON *.*(databasename.tablename) TO 'username'@'localhost' IDENTIFIED BY 'userpassword'; (授权)

开机启动：
3，开机启动
在/etc/rc.local里加入

/usr/local/mysql/bin/mysqld_safe --user=mysql &