ubuntu 手动安装mysql

申请了一台云主机，需要手动安装所有环境，今天将mysql安装过程记下。

安装mysql
a. 下载不了gcc, 需要先运行apt-get update
b. cmake报错，每次要先删除cmakeCache.txt，再重新跑cmake
c. apt-get install ncurses找不到对应包，google后发现在Ubuntu中'ncurses-devel'是以'libncurses5-dev'命名的。
大致步骤如下
# Preconfiguration setup
shell> groupadd mysql
shell> useradd -r -g mysql mysql
# Beginning of source-build specific instructions
shell> tar zxvf mysql-VERSION.tar.gz
shell> cd mysql-VERSION
shell> cmake .
shell> make
shell> make install
# End of source-build specific instructions
# Postinstallation setup
shell> cd /usr/local/mysql
shell> chown -R mysql .
shell> chgrp -R mysql .
shell> scripts/mysql_install_db --user=mysql
shell> chown -R root .
shell> chown -R mysql data
# Next command is optional
shell> cp support-files/my-medium.cnf /etc/my.cnf
shell> bin/mysqld_safe --user=mysql & [以safe模式启动mysql]
# Next command is optional
shell> cp support-files/mysql.server /etc/init.d/mysql.server

root@AY140420095828962476Z:/usr/local/mysql# scripts/mysql_install_db --user=mysql
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:

./bin/mysqladmin -u root password 'new-password' 设置密码
./bin/mysqladmin -u root -h AY140420095828962476Z password 'new-password'

Alternatively you can run:
./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 . ; ./bin/mysqld_safe & 启动mysql

You can test the MySQL daemon with mysql-test-run.pl
cd ./mysql-test ; perl mysql-test-run.pl 全面检测mysql

Please report any problems with the ./bin/mysqlbug script!

============================================

安装完成后，发现mysql只能在本机连接，解决方法

1、改表法。可能是你的帐号不允许从远程登陆，只能在localhost。这个时候只要在localhost的那台电脑，登入mysql后，更改 "mysql" 数据库里的 "user" 表里的 "host" 项，从"localhost"改称"%"

Sql代码

mysql -u root -pvmwaremysql>use mysql;
mysql>update user set host = '%' where user = 'root';
mysql>select host, user from user;

3、如果你想允许用户myuser从ip为192.168.1.6的主机连接到mysql服务器，并使用mypassword作为密码

Sql代码

GRANT ALL PRIVILEGES ON *.* TO 'myuser'@'192.168.1.3' IDENTIFIED BY
'mypassword' WITH GRANT OPTION;
FLUSH PRIVILEGES;

Sql代码

GRANT ALL PRIVILEGES ON dk.* TO 'myuser'@'192.168.1.3' IDENTIFIED BY
'mypassword' WITH GRANT OPTION;
FLUSH PRIVILEGES;

注意授权后必须FLUSH PRIVILEGES;否则无法立即生效。

另外一种方法：
在安装mysql的机器上运行：
1、d:\mysql\bin\>mysql   -h   localhost   -u   root
        //这样应该可以进入MySQL服务器
2、mysql>GRANT   ALL   PRIVILEGES   ON   *.*   TO   'root'@'%'   WITH   GRANT   OPTION
        //赋予任何主机访问数据的权限
3、mysql>FLUSH   PRIVILEGES
        //修改生效
4、mysql>EXIT
        //退出MySQL服务器
这样就可以在其它任何的主机上以root身份登录啦！

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ubuntu 手动安装mysql

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