ubuntu mysql安装
MySQL修改root密码的多种方法
设置密码
./bin/mysql -u root
mysql> set password =password('123456');
方法1: 用SET PASSWORD命令
mysql -u root
mysql> SET PASSWORD FOR 'root'@'localhost' = PASSWORD('newpass');
方法2:用mysqladmin
mysqladmin -u root password "newpass"
如果root已经设置过密码,采用如下方法
mysqladmin -u root password oldpass "newpass"
方法3: 用UPDATE直接编辑user表
mysql -u root
mysql> use mysql;
mysql> UPDATE user SET Password = PASSWORD('newpass') WHERE user = 'root';
mysql> FLUSH PRIVILEGES;
在丢失root密码的时候,可以这样
mysqld_safe --skip-grant-tables&
mysql -u root mysql
mysql> UPDATE user SET password=PASSWORD("new password") WHERE user='root';
mysql> FLUSH PRIVILEGES;
检查端口
show global variables like 'port';
配置mysql允许远程连接的方法
vim /etc/my.cnf
注释这一行:bind-address=127.0.0.1 ==> #bind-address=127.0.0.1
保存退出。
mysql -uroot -p123456
为需要远程登录的用户赋予权限:
复制代码 代码如下:
mysql> GRANT ALL PRIVILEGES ON *.* TO root@"%" IDENTIFIED BY "123456";
mysql> flush privileges;
远程登录命令:
mysql -h 223.4.92.130 -uroot -p(-h后跟的是要登录主机的ip地址)
http://www.jb51.net/article/33813.htm
mysql在linux下的安装
通过命令下载:wget http://dev.mysql.com/get/Downloads/MySQL-5.6/mysql-5.6.33-linux-glibc2.5-x86_64.tar.gz
2、解压
#解压
tar -zxvf mysql-5.6.33-linux-glibc2.5-x86_64.tar.gz
#复制解压后的mysql目录
cp -r mysql-5.6.33-linux-glibc2.5-x86_64 /usr/local/mysql
3、添加用户组和用户
#添加用户组
groupadd mysql
#添加用户mysql 到用户组mysql
useradd -g mysql mysql
4、安装
cd /usr/local/mysql/ mkdir ./data/mysql
chown -R mysql:mysql ./
./scripts/mysql_install_db --user=mysql --datadir=/usr/local/mysql/data/mysql
cp support-files/mysql.server /etc/init.d/mysqld
chmod 755 /etc/init.d/mysqld
cp support-files/my-default.cnf /etc/my.cnf
#修改启动脚本
vi /etc/init.d/mysqld
#修改项:
basedir=/usr/local/mysql/
datadir=/usr/local/mysql/data/mysql
#启动服务
service mysqld start
#测试连接
./mysql/bin/mysql -uroot
#加入环境变量,编辑 /etc/profile,这样可以在任何地方用mysql命令了
export PATH=$PATH:/usr/local/mysql//bin<br>source /etc/profile
#启动mysql
service mysqld start
#关闭mysql
service mysqld stop
#查看运行状态
service mysqld status
mysql -u root -p test -h 127.0.0.1
mysqlbinlog --no-defaults mysql-bin.000009 --start-position="2973" --stop-position="3828" | /usr/bin/mysql -uroot -p123456 test -h 127.0.0.1
http://www.cnblogs.com/bookwed/p/5896619.html
ubuntu mysql安装
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转载自huangyongxing310.iteye.com/blog/2366953
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