How to Reset MySQL Root Password in Ubuntu

How to Reset the MySQL Root Password on Ubuntu

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In this article we will reset the MySQL root password in Ubuntu by starting MySQL with the --skip-grant-tables option.

Introduction

We’ve all been there. You’ve forgotten the MySQL root password or it has mysteriously changed 🤔.  Thankfully there is a way around this using the --skip-grant-tables option.

Before you begin, if you are having problems logging into phpMyAdmin and getting an error Access denied for user ‘root’@’localhost’ , but you’re certain your root password is correct, please refer to this article first: Can’t log into phpMyAdmin: mysqli_real_connect(): (HY000/1698): Access denied for user ‘root’@’localhost’

1. Confirm MySQL version

Firstly, you must confirm which version of MySQL on Ubuntu you are running as commands will be different.

mysql -V

If on MySQL version 8, you will see something like:

mysql Ver 8.0.20-0ubuntu0.20.04.1 for Linux on x86_64 ((Ubuntu))

If you are on MySQL version 5, you will see something similar to:

mysql  Ver 14.14 Distrib 5.7.30, for Linux (x86_64) using  EditLine wrapper

2. Restart MySQL with skip-grant-table

In order to skip the grant tables and reset the root password, we must first stop the MySQL service. Enter your Linux password if prompted.

sudo /etc/init.d/mysql stop

Ensure the directory /var/run/mysqld exists and correct owner set.

sudo mkdir /var/run/mysqld
sudo chown mysql /var/run/mysqld

Now start MySQL with the --skip-grant-tables option. The & is required here.

sudo mysqld_safe --skip-grant-tables&

You should see something similar:

[1] 1283
[email protected]:~$ 2019-02-12T11:15:59.872516Z mysqld_safe Logging to syslog.
2019-02-12T11:15:59.879527Z mysqld_safe Logging to '/var/log/mysql/error.log'.
2019-02-12T11:15:59.922502Z mysqld_safe Starting mysqld daemon with databases from /var/lib/mysql

Now press ENTER to return to the Linux BASH prompt.

3. Change MySQL Root Password

You can now log in to the MySQL root account without a password.

sudo mysql --user=root mysql

Once logged in, you will see the mysql> prompt.

MySQL 8 – Reset Root Password

For MySQL 8 on Ubuntu, run following commands.

UPDATE mysql.user SET authentication_string=null WHERE User='root';
flush privileges;

Replace your_password_here with your own. (Generate a strong password here)

ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY 'your_password_here';

Flush privileges again.

flush privileges;

Exit MySQL.

exit

Now skip to Step 4 below.

MySQL 5.7 – Reset Root Password

For MySQL 5.7 on Ubuntu, run this command to change the root password. Replace your_password_here with your own. (Generate a strong password here)

update user set authentication_string=PASSWORD('your_password_here') where user='root';

Change the auth plugin to mysql_native_password.

update user set plugin="mysql_native_password" where User='root';

Flush privileges.

flush privileges;

Exit MySQL.

exit

Now skip to Step 4 below.

MySQL 5.6 – Reset Root Password

For MySQL 5.6 on Ubuntu, run this command to change the root password. Replace your_password_here with your own. (Generate a strong password here)

update user set Password=PASSWORD('your_password_here') where user='root';

Change the auth plugin to mysql_native_password.

update user set plugin="mysql_native_password" where User='root';

Flush privileges.

flush privileges;

Exit MySQL.

exit

Now skip to Step 4 below.

4. Test New Root Password

Make sure all MySQL processes are stopped before starting the service again.

sudo killall -u mysql

If you see a message similar to below, press ENTER to continue.

2020-05-30T07:23:38.547616Z mysqld_safe mysqld from pid file /var/lib/mysql/ubuntu.pid ended

Start MySQL again.

sudo /etc/init.d/mysql start

Log in to MySQL again and you should now be prompted for a password.

sudo mysql -p -u root

Enter your MySQL root password. If correct, you should see something like:

Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 8
Server version: 8.0.20-0ubuntu0.20.04.1 (Ubuntu)

Copyright (c) 2000, 2020, 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>

You’re all done!

1 Star2 Stars3 Stars4 Stars5 Stars 4.92 (66 votes)

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64 replies

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Felipe
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Felipe
Felipe
9 days ago

Aweosome! You’re the big guy.

Drtamtam
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Drtamtam
Drtamtam
9 days ago

This is the only dowcument that explains the process correctly. Thanks

washington
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washington
washington
22 days ago

You saved my day!

Jack
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Jack
Jack
23 days ago

You won’t believe it but I spent 3 hours on Google to find your solution! Thank you so much for allowing me to finally go to sleep now!

Mr Tizzle
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Mr Tizzle
Mr Tizzle
23 days ago

I spent have the day on this and yours was the only post I came across that actually worked. Thank you.

long
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long
long
24 days ago

Thank you very much.

Kurt Krueckeberg
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Kurt Krueckeberg
Kurt Krueckeberg
28 days ago

Thank you for this article. It was the only article I found that really worked, and allowed me to set a root password for mysql, after I lost the original password.

misterUyi
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misterUyi
misterUyi
1 month ago

Sweet!!!

Selín
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Selín
Selín
1 month ago

Excellent!!! Thanks!!!!

ly
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ly
ly
1 month ago

Thanks, it’s working.

masita
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masita
masita
1 month ago

perfect!!!!!

aravind
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aravind
aravind
1 month ago

Nicely explained. Save me trouble..

Imran Ali
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Imran Ali
Imran Ali
1 month ago

Worked for me too! bundles of thanks

Ray
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Ray
Ray
1 month ago

Worked like a charm. Tried several other sites but came up short. Thanks for this!

assdz
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assdz
assdz
1 month ago

yo thanks, I couldn’t find mysql 8 commands

Woniok
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Woniok
Woniok
1 month ago
You made my life happier with this article. Thanks.
Tony
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Tony
Tony
1 month ago

many thanks – the documentation does not cover V8 – spent a few days struggling with this – appreciate the clear and correct instructions – Cheers.

Steven Moo
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Steven Moo
Steven Moo
2 months ago

Thank you. Great.

benmazouz
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benmazouz
benmazouz
2 months ago

great article

Hugo
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Hugo
Hugo
2 months ago

Finally after following the steps from 3 other sites, yours finally worked! Thank you!

Saravana Kumar
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Saravana Kumar
Saravana Kumar
2 months ago

Thanks a lot Really Helpful post

marjan sadat mousavi
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marjan sadat mousavi
marjan sadat mousavi
2 months ago

you are awesome , thaaaaaaaaanks

Lakshan Madusanka
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Lakshan Madusanka
Lakshan Madusanka
2 months ago

Thank you so much.

mysql rookie
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mysql rookie
mysql rookie
2 months ago

This article really helpful,thanks!

udara jayawardena
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udara jayawardena
udara jayawardena
2 months ago

Thanks! help a lot #2020/11/05

Agvil
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Agvil
Agvil
2 months ago

Thank you!!

Steve
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Steve
Steve
2 months ago

Thanks a lot!!! Perfectly work for me!

Todd
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Todd
Todd
3 months ago

Thanks this did the trick!

Adeel
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Adeel
Adeel
3 months ago

Great! worked perfectly

RyanC
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RyanC
RyanC
3 months ago

thank you so much

Dino Matijašević
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Dino Matijašević
Dino Matijašević
3 months ago

This worked flawlessly, thank you, very helpful and easy to follow!

Yasin
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Yasin
Yasin
3 months ago

Thanks for very useful informations. It works.

Daniel
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Daniel
Daniel
4 months ago

Work for me

Gustavo
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Gustavo
Gustavo
4 months ago

me ha servido muy bien !

AAYUSHI
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AAYUSHI
AAYUSHI
4 months ago

THANKYOU VERY MUCH

CYNTHIA
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CYNTHIA
CYNTHIA
4 months ago

I’m a newbie to all this and can’t count the # of hours and things i’ve tried to get my root password working (because it was never set at installation) with no success until now. I CAN’T THANK YOU ENOUGH FOR YOUR TIME & CONTRIBUTION AND HOPE YOU REALIZE HOW MUCH IT MEANS TO SOME OF US NEWBIES TO GET CORRECT AND WORKING INFO LIKE THIS.

Joshua
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Joshua
Joshua
6 months ago

Best explanation ever!

Mustapha
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Mustapha
Mustapha
6 months ago

Thank you very much!
You just saved my life!

Will
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Will
Will
7 months ago
Thanks
Camo
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Camo
Camo
8 months ago

What about MySQL 8? It seems PASSWORD() is no longer supported. mysql> update user set authentication_string=PASSWORD('my_password') where user='root'; throws me an syntax error near (‘my_password’) …

Stonewallz
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Stonewallz
Stonewallz
8 months ago

Awesome.
Spot on instructions….
Many Thanks!

omer
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omer
omer
9 months ago

thanks u thanks u oh my god

DJATIO Stéphane
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DJATIO Stéphane
DJATIO Stéphane
9 months ago

Thanks very much was block since 8hours

Mostefa Mourad
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Mostefa Mourad
Mostefa Mourad
9 months ago

u saved my life thanks , u truly know what ur doing thanks , much appreciated

vidomarkas.com
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vidomarkas.com
vidomarkas.com
10 months ago

Thanks!

Tom Van Dyck
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Tom Van Dyck
Tom Van Dyck
10 months ago

Thanks a lot!

hay
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hay
hay
10 months ago

mysql> update user set plugin=”mysql_native_password” where User=’root’;
Query OK, 0 rows affected (0.00 sec)
Rows matched: 0 Changed: 0 Warnings: 0

mysql> flush privileges;
Query OK, 0 rows affected (0.00 sec)

mysql> exit
Bye
[email protected]:/home/webserver# killall -u mysql
[email protected]:/home/webserver# 2020-03-16T08:43:49.778593Z mysqld_safe mysqld from pid file /var/lib/mysql/webserver.pid ended
/etc/init.d/mysql start
[ ok ] Starting mysql (via systemctl): mysql.service.
[1]+ Done mysqld_safe –skip-grant-tables
[email protected]:/home/webserver# sudo mysql -p -u root
Enter password:
ERROR 1045 (28000): Access denied for user ‘root’@’localhost’ (using password: YES)
[email protected]:/home/webserver# mysql -p -u root
Enter password:
ERROR 1045 (28000): Access denied for user ‘root’@’localhost’ (using password: NO)
[email protected]:/home/webserver#

Phinah
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Phinah
Phinah
10 months ago

Thank you it was really helpful

Max Solace
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Max Solace
Max Solace
11 months ago

Thanks a ton, Buddy.

karan
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karan
karan
1 year ago

In step 2 i get

2019-12-29T22:46:28.239042Z mysqld_safe Logging to syslog.
2019-12-29T22:46:28.242008Z mysqld_safe Logging to '/var/log/mysql/error.log'.
2019-12-29T22:46:28.258774Z mysqld_safe Starting mysqld daemon with databases from /var/lib/mysql
2019-12-29T22:46:32.136840Z mysqld_safe mysqld from pid file /var/run/mysqld/mysqld.pid ended

Then on running
sudo mysql --user=root mysql
ERROR 2002 (HY000): Can’t connect to local MySQL server through socket ‘/var/run/mysqld/mysqld.sock’ (2)