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linux下如何安装新版的mysql

Jun 07, 2016 pm 03:08 PM
linuxmysqlhowInstallnew versionEnter

欢迎进入Linux社区论坛,与200万技术人员互动交流 >>进入 Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. mysql mysql mysql mysql select version(); +-----------+ | version() | +-----------+ | 5.5.29 | +-----

欢迎进入Linux社区论坛,与200万技术人员互动交流 >>进入

 

  Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

  mysql>

  mysql>

  mysql>

  mysql> select version();

  +-----------+

  | version() |

  +-----------+

  | 5.5.29    |

  +-----------+

  1 row in set (0.00 sec)

  注:如果没有安装mysql client,就不会有mysql,mysqladmin等命令。

  或者用如下命令登录mysql:

  #mysql -u root -p

  Enter password: (输入密码)

  其中-u后跟的是用户名,-p要求输入密码,回车后在输入密码处输入密码。

  注意:这个mysql文件在/usr/bin目录下,与后面讲的启动文件/etc/init.d/mysql不是一个文件。

  在安装mysql5.6的时候,安装包随机给root用户生成了一个密码,该密码在'/root/mysql_secret'文件里。

  当使用mysql -u root -p [password]登录后,需要使用如下命令更改密码:

  mysql> SET PASSWORD=PASSWORD('123456');

  如果不执行set password,就执行其他命令,就会碰到如下错误:

  ERROR 1820 (HY000): You must SET PASSWORD before executing this statement

  7.生成my.cnf文件

  默认情况下mysql是不会生成my.cnf文件的,但可以进入到/usr/share/mysql/目录找一个cnf文件生成my.cnf文件,如下:

  cp /usr/share/mysql/my-huge.cnf /etc/my.cnf

  然后编辑my.cnf,按照需要修改或添加相应参数。

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linux下如何安装新版的mysql

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