In this tutorial we will show you how to change the root password in MySQL. we will show you also how to recover your MySQL password :
1-Mysqladmin command to change root password :
To setup root password for first time, use mysqladmin command at shell prompt as follows:
$ mysqladmin -u root password NEWPASSWORD
However, if you want to change (or update) a root password, then you need to use following command $ mysqladmin -u root -p oldpassword newpass
Enter password:2-Mysqladmin command to to recover root password :
You can recover MySQL database server password with following five easy steps.
Step # 1: Stop the MySQL server process.
Step # 2: Start the MySQL (mysqld) server/daemon process with the –skip-grant-tables option so that it will not prompt for password
Step # 3: Connect to mysql server as the root user
Step # 4: Setup new root password
Step # 5: Exit and restart MySQL server
Here are commands you need to type for each step (login as the root user):
Step # 1 : Stop mysql service
# /etc/init.d/mysqld stop
Stopping MySQL: [ OK ]Step # 2: Start to MySQL server w/o password:
# mysqld_safe –skip-grant-tables &
IMPRTANT : Can happen that your terminal block, in this case just open a new terminal without closing the first one and continue the next step
Output:
[1] 5988
Starting mysqld daemon with databases from /var/lib/mysql
mysqld_safe[6025]: started
Step # 3: Connect to mysql server using mysql client:
# mysql -u root
Output:
Welcome to the MySQL monitor. Commands end with ; or g.
Your MySQL connection id is 3
Server version: 5.0.45 Source distribution
Type ‘help;’ or ‘h’ for help. Type ‘c’ to clear the buffer.
mysql>
Step # 4: Setup new MySQL root user password
mysql> use mysql;
mysql> update user set password=PASSWORD(“NEW-ROOT-PASSWORD”) where User=’root’;
mysql> flush privileges;
mysql> quit
Step # 5: Stop MySQL Server:
# /etc/init.d/mysql stop
Output:Stopping MySQL database server: mysqld
STOPPING server from pid file /var/run/mysqld/mysqld.pid
mysqld_safe[6186]: ended
[1]+ Done mysqld_safe –skip-grant-tables
Step # 6: Start MySQL server and test it
# /etc/init.d/mysql start
# mysql -u root -p
And is resolved, now keep your new password in a safe place .
No comments:
Post a Comment