linux下如何安装新版的mysql
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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