CentOS系统重置MySQL数据库密码
时间:2021-07-01 10:21:17
帮助过:23人阅读
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
01
02
|
[root@CentOs5
~]# service mysqld stop
Stopping
MySQL: [ OK ]
|
第二步:使用 “–skip-grant-tables”参数重新启动mysql
01
02
03
|
[root@CentOs5
~]# mysqld_safe --skip-grant-tables
&
[1]
23810
[root@CentOs5
~]# Starting mysqld daemon with
databases from
/var/lib/mysql
|
第三步:用帐号登录MySQL
01
02
03
04
05
|
[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.
|
第四步:改变用户数据库表
01
02
03
04
|
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
|
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,
01
02
03
|
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
|
第六步:刷新权限表
01
02
03
04
|
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)
|
第七步:退出mysql
第八步:对mysql进行重启
01
02
03
04
05
06
|
[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
|
第九步:用更改过的密码重新登录即可。
01
02
03
04
05
06
07
08
09
|
[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
~]#
|