学习CentOS Linux的时候经常会忘记各种密码，本文主要说明在使用CentOS的过程中，忘记MySQL数据库密码的解决办法。 第一步：通过如下代码，停止MySQL服务器的运行 01 02 [root@CentOs5 ~]# service mysqld stop Stopping MySQL: [ OK ] 第二步：使用 “–ski
学习CentOS Linux的时候经常会忘记各种密码，本文主要说明在使用CentOS的过程中，忘记MySQL数据库密码的解决办法。
第一步：通过如下代码，停止MySQL服务器的运行
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01
02
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[root@CentOs5
~]# service mysqld stop
Stopping
MySQL: [ OK ]
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第二步：使用 “–skip-grant-tables”参数重新启动mysql
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01
02
03
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[root@CentOs5
~]# mysqld_safe --skip-grant-tables
&
[1]
23810
[root@CentOs5
~]# Starting mysqld daemon with
databases from
/var/lib/mysql
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第三步：用帐号登录MySQL
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01
02
03
04
05
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[root@CentOs5
~]# mysql -u root
Welcome
to
the MySQL monitor. Commands end
with
; or
\g.
Your
MySQL connection
id is
1
Server
version: 5.0.77 Source distribution
Type
'help;'
or
'\h'
for
help. Type '\c'
to
clear the buffer.
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第四步：改变用户数据库表
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01
02
03
04
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mysql>
use mysql
Reading
table
information for
completion of
table
and
column
names
You
can turn off
this feature to
get a quicker startup with
-A
Database
changed
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第五步：修改密码，记得密码要用password()函数进行加密，一定不要忘记！不然，
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01
02
03
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mysql>
update
user
set
password=password('admin123')
where
user='root';
Query
OK, 1 row affected (0.04 sec)
Rows
matched: 1 Changed: 1 Warnings: 0
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第六步：刷新权限表
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01
02
03
04
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mysql>
flush previleges;
ERROR
1064 (42000): You have an error in
your SQL syntax; check
the manual that corresponds to
your MySQL server version for
the right
syntax to
use near 'previleges'
at
line 1
mysql>
flush privileges;
Query
OK, 0 rows
affected (0.00 sec)
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第七步：退出mysql
第八步：对mysql进行重启
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01
02
03
04
05
06
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[root@CentOs5
~]# service mysqld restart;
STOPPING
server from
pid file /var/run/mysqld/mysqld.pid
100421
13:44:03 mysqld ended
Stopping
MySQL: [ OK ]
Starting
MySQL: [ OK ]
[1]+
Done mysqld_safe --skip-grant-tables
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第九步：用更改过的密码重新登录即可。
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01
02
03
04
05
06
07
08
09
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[root@CentOs5
~]# mysql -u root -p
Enter
password:
admin123
Welcome
to
the MySQL monitor. Commands end
with
; or
\g.
Your
MySQL connection
id is
2
Server
version: 5.0.77 Source distribution
Type
'help;'
or
'\h'
for
help. Type '\c'
to
clear the buffer.
mysql>
quit
Bye
[root@CentOs5
~]#
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