修改mysqld的root用户密码
来源:互联网 发布:程序员的电影 编辑:程序博客网 时间:2024/05/16 09:13
1安装mysqld服务
yum install mysqld*
2启动mysqld服务(有初始化数据库)
/etc/init.d/mysqld start
3从给出的配置文件模版中选一个覆盖到my.cnf当配置文件,需提前备份my.cnf
#cp /etc/my.cnf /etc/my.cnf.bak
# cp my-medium.cnf /etc/my.cnf
cp:是否覆盖"/etc/my.cnf"? y
进入mysqld的配置文件
vim /etc/my.cnf
4在[mysqld]添加命令,使启动时跳过密码
[mysqld]
port = 3306
socket = /var/lib/mysql/mysql.sock
skip-locking
key_buffer_size = 16M
max_allowed_packet = 1M
table_open_cache = 64
sort_buffer_size = 512K
net_buffer_length = 8K
read_buffer_size = 256K
read_rnd_buffer_size = 512K
myisam_sort_buffer_size = 8M
skip_grant_tables
5重启mysqld
# /etc/init.d/mysqld restart
停止 mysqld: [确定]
正在启动 mysqld: [确定]
6登录mysql
# mysql
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 2
Server version: 5.1.61-log Source distribution
Copyright (c) 2000, 2011, Oracle and/or its affiliates. All rights reserved.
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
mysql>
7进入mysql数据库
mysql> use mysql
Database changed
8修改密码
mysql> update user set password=password('redhat')where user='root';
Query OK, 2 rows affected (0.00 sec)
Rows matched: 3 Changed: 2 Warnings: 0
9修改mysqld的配置文件删掉之前加入的命令
#skip_grant_tables
10重启mysqld服务,并使用redhat的密码登录
# mysql -u root -p
Enter password:
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 2
Server version: 5.1.61-log Source distribution
Copyright (c) 2000, 2011, Oracle and/or its affiliates. All rights reserved.
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
mysql>
- 修改mysqld的root用户密码
- 修改mysql的root用户密码
- 修改遗失的MySQL的ROOT用户密码
- ubuntu10.10修改mysql的root用户密码
- CMD方式修改mysql的root用户密码
- ubuntu10.10修改mysql的root用户密码
- 如何修改遗失MySQL的ROOT用户密码
- CMD方式修改mysql的root用户密码
- Linux下修改MySQL的root用户密码
- MySql 修改root用户密码的方式
- Linux下mysql的root用户密码修改
- mysql root 用户密码修改
- mysql修改root用户密码
- mysql 修改root用户密码
- extmail 修改root用户密码
- 修改 Linux root 用户密码
- mysql root用户密码修改
- ubuntu修改root用户密码
- C语言中scanf函数中%[]格式控制符用法 scanf清除缓冲区
- iOS项目上线流程
- 给信号添加高斯白噪声
- 《从0到1》读书笔记第8章“秘密”第1记: 浪潮之巅
- 安卓实现弹出软键盘屏幕自适应调整
- 修改mysqld的root用户密码
- hdu 5191 Building Blocks (汗!)
- github使用教程
- OC笔记 - NSNotification、键盘通知(2015.3.7)
- vmm
- DB类
- php标准库 SPL 数据结构之-----SplDoublyLinkedList(双向链表)
- Binder
- 快速排序算法模板(STL)