MySQL root password change

Question

I have been trying to reset my MySQL root password   I have run the mysqld safe --skip-grant-tables  updated the root password  and checked the user table to make sure it is there   Once restarting the mysql daemon I tried logging in with the new root password that I just set and still get Access denied for user  root  errors   I have also tried completely removing and reinstalling mysql  including removing the my cnf file  and still no luck   Does anyone have any suggestions on what I can do next   Thanks in advance

User · Answer

ALTER USER  root   localhost  IDENTIFIED BY  MyNewPass     You can find Resetting the Root Password in the MySQL documentation

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I searched around as well and probably some answers do fit for some situations  my situation is Mysql 5 7 on a Ubuntu 18 04 2 LTS system   get root privileges    sudo bash   set up password for root db user   implement security in steps    mysql secure installation   give access to the root user via password in stead of socket     edit  apparently you need to set the password again    don t set it to  mySecretPassword        mysql -u root  mysql gt  USE mysql  mysql gt  UPDATE user SET plugin  mysql native password  WHERE User  root   mysql gt  set password for  root   localhost    PASSWORD  mySecretPassword     mysql gt  FLUSH PRIVILEGES  mysql gt  exit     service mysql restart  Many thanks to zetacu  and erich  for this excellent answer  after searching a couple of hours     Enjoy  -D S  Edit  2020   This method doesn t work anymore  see this question for future reference

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This is for mac users   Update  On 8 0 15  maybe already before that version  the PASSWORD   function does not work You have to do  Make sure you have Stopped MySQL first  above   Run the server in safe mode with privilege bypass   sudo mysqld safe --skip-grant-tables  replace this mysqld safe with your MySQL path like in my case it was  sudo  usr local mysql bin mysqld safe    skip-grant-tables  then you have to perform the following steps   mysql -u root UPDATE mysql user SET authentication string null WHERE User  root   FLUSH PRIVILEGES  exit   Then  mysql -u root ALTER USER  root   localhost  IDENTIFIED WITH caching sha2 password BY  yourpasswd

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Using the mysqladmin command-line utility to alter the MySQL password   mysqladmin --user root --password oldpassword password  newpassword    Source

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For MacOS users  if you forget your root password   thusharaK s answer https   stackoverflow com a 28601069 5628856  is good  but there are a little more tricks   If you are using system preference to start mysql serverside  simply  sudo mysqld safe --skip-grant-tables   might not work for you   You have to make sure the command line arguments is same with system start config   The following command works for me    usr local mysql bin mysqld --user  mysql --basedir  usr local mysql --datadir  usr local mysql data --plugin-dir  usr local mysql lib plugin --log-error  usr local mysql data mysqld local err --pid-file  usr local mysql data mysqld local pid --keyring-file-data  usr local mysql keyring keyring --early-plugin-load keyring file keyring file so --skip-grant-tables   You can use   ps aux   grep mysql   to check your own

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On MySQL 8 0 4   To update current root user   select current user    set password    new password     To update other user   set password for  otherUser   localhost     new password     To set password policy before updating password   set global validate password policy   0  set password    new password   set password for  otherUser   localhost     new password     Other   better way to update root password   mysql secure installation   Want to stick with 5 x authentication so you can still use legacy apps   On my cnf  default authentication plugin   mysql native password   To update root   set global validate password policy   0  alter user  root   localhost  identified with mysql native password by  new password

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Please follow the below steps   sudo service mysql stop sudo mysqld safe --skip-grant-tables sudo service mysql start sudo mysql -u root use mysql  show tables  describe user  update user set authentication string password  1111   where user  root    login with password 1111

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You have to reset the password  steps for mac osx tested and working  and ubuntu  Stop MySQL    sudo  usr local mysql support-files mysql server stop   Start it in safe mode     sudo mysqld safe --skip-grant-tables    above line is the whole command   This will be an ongoing command until the process is finished so open another shell terminal window  log in without a password     mysql -u root  mysql gt  UPDATE mysql user SET Password PASSWORD  password   WHERE User  root     Start MySQL  sudo  usr local mysql support-files mysql server start   your new password is  password

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This is the updated answer for WAMP v3 0 6 and up   gt  UPDATE mysql user   gt  SET authentication string PASSWORD  MyNewPass     gt  WHERE user  root     gt  FLUSH PRIVILEGES    In MySQL version 5 7 x there is no more password field in the mysql table  It was replaced with authentication string   This is for the terminal CLI   UPDATE mysql user SET authentication string PASSWORD  MyNewPass   WHERE user  root    FLUSH PRIVILEGES     This if for PHPMyAdmin or any Mysql GUI

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This worked for me -    ALTER USER  root   localhost  IDENTIFIED BY  MyNewPass    https   dev mysql com doc mysql-windows-excerpt 5 7 en resetting-permissions-windows html

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a common error i run into from time to time  is that i forget the -p option  so are you sure you used   mysql -u root -p

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Tried the answer from  kta but didn t work for me    I am using MySQL 8 0  This worked for me   mysql  SET PASSWORD FOR  root   localhost     yourpassword

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In MySQL 5 7  the password is replaced with  authentication string    use  update user set authentication string password  myfavpassword   where user  root

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SET PASSWORD FOR  root   localhost    PASSWORD  mypass    FLUSH PRIVILEGES

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Or just use interactive configuration  sudo mysql secure installation

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stop all wamp services   exit from wamp   open notepad then type   SET PASSWORD FOR  root   localhost    PASSWORD       then save it to c  drive with any name    like this  c  example txt   now goto your  wamp  falder wamp   bin   mysql   mysql your version    bin in my case path is  C  wamp bin mysql mysql5 6 17 bin   now copy your path then run cmd with  ctrl   r  then type  cmd   enter   type cd then right click on cmd and paste path  enter  now type  mysqld --init-file C  example txt  without braces then  enter   then restart PC or open taskmgr and kill mysqld exe  start wamp and your password will be removed

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So many coments  but i was helped this method   sudo mysqladmin -u root password  my password    In my case after instalation i had get mysql service without a password for root user  and i was need set the password for my security

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Found it  I forgot to hash the password when I changed it   I used this query to solve my problem   update user set password PASSWORD  NEW PASSWORD   where user  root     I forgot the PASSWORD  NEW PASSWORD   and just put in the new password in plain text

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On Ubuntu   sudo dpkg-reconfigure mysql-server-5 5    Replace 5 5 with your current version and you will be asked for the new root password

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For MySQL 5 7 6 and later   ALTER USER  root   localhost  IDENTIFIED BY  MyNewPass     For MySQL 5 7 5 and earlier   SET PASSWORD FOR  root   localhost    PASSWORD  MyNewPass

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For the current latest mysql version  8 0 16   none of these answers worked for me   After looking at several different answers and combining them together  this is what I ended up using that worked   update user set authentication string  test  where user  root     Hope this helps

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On MySQL 8 you need to specify the password hashing method  ALTER USER  root   localhost  IDENTIFIED WITH caching sha2 password BY  new-password

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For me  only these steps could help me setting the root password on version 8 0 19  mysql SELECT user authentication string FROM mysql user  ALTER USER  root   localhost  IDENTIFIED WITH mysql native password BY  your pass here   FLUSH PRIVILEGES  SELECT user authentication string FROM mysql user   If you can see changes for the root user  then it works  Source  https   www digitalocean com community questions can-t-set-root-password-mysql-server

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have a look at this from MySQL Reference manual   First login mysql     mysql -u root -p   Then at mysql prompt run   UPDATE mysql user SET Password PASSWORD  MyNewPass   WHERE User  root     Then  FLUSH PRIVILEGES    Look at this page for more information  Resetting the Root Password  Unix Systems

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On Mac open system preferences gt  MySQL  In the configuration section of MySQL check for initialize database  change the password in the prompt

[mysql] MySQL root password change

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