SQLSTATE HY000 1698 Access denied for user root localhost

Question

I just installed Ubuntu 16 04 and installed web server on it  Everything works well  but I cannot access database  Even if I create new user and grant all privileges  I can t create database In PHP I m getting this error   SQLSTATE HY000   1698  Access denied for user  root   localhost    When I try to login in terminal  it works  but in PHP and phpmyadmin don t    PHP Code   protected  host    127 0 0 1   protected  db    dbname   protected  name    root   protected  pass    root   protected  conn  private static  settings   array      PDO  MYSQL ATTR INIT COMMAND   gt   SET NAMES utf8      public function   construct         try            this- gt conn   new PDO  mysql host  this- gt host dbname  this- gt db    this- gt name   this- gt pass  self   settings         catch  PDOException  e            echo  e- gt getMessage

User · Answer

Users for mysql and for server are 2 different things  look how to add user to database and login with these credentials

User · Answer

Maybe a bit late  but I found this answer looking over the internet  It could help others with the same problem    sudo mysql -u root  mysql  use mysql   mysql  update user set plugin    where User  root    mysql  flush privileges   mysql   q   Now you should be able to log in as root in phpmyadmin    Found here

User · Answer

MySQL makes a difference between  localhost  and  127 0 0 1    It might be possible that  root   localhost  is not allowed because there is an entry in the user table that will only allow root login from 127 0 0 1   This could also explain why some application on your server can connect to the database and some not because there are different ways of connecting to the database  And you currently do not allow it through  localhost

User · Answer

With mysql  Ver 14 14 Distrib 5 7 22 the update statement is now   update user set authentication string password  1111   where user  root

User · Answer

If you are receiving that error even after creating a new user and assigning them the database previledges  then the one last thing to look at is to check if the users have been assigned the preiveledges in the database   To do this log into to your mysql This is presumably its the application that has restricted access to the database but you as a root can be ablr to access your database table via mysql -u user -p   commands to apply  mysql -u root -p    password   provide your database credentials   on successful login   type  use mysql    from this point check each users priveledges if it is enabled from the db table as follows  select User Grant priv Host from db    if the values of the Grant priv col for the created user is N update that value to Y with the following command  UPDATE db SET Grant priv    Y  WHERE User   your user     with that now try accessing the app and making a transaction with the database

User · Answer

These steps worked for me on several Systems using Ubuntu 16 04  Apache 2 4  MariaDB  PDO    log into MYSQL as root  mysql -u root  Grant privileges  To a new user execute   CREATE USER  newuser   localhost  IDENTIFIED BY  password   GRANT ALL PRIVILEGES ON     TO  newuser   localhost   FLUSH PRIVILEGES    UPDATE for Google Cloud Instances  MySQL on Google Cloud seem to require an alternate command  mind the backticks     GRANT ALL PRIVILEGES ON       TO  newuser   localhost    bind to all addresses   The easiest way is to comment out the line in your   etc mysql mariadb conf d 50-server cnf  or  etc mysql mysql conf d mysqld cnf  file  depending on what system you are running    bind-address   127 0 0 1   exit mysql and restart mysql  exit service mysql restart    By default it binds only to localhost  but if you comment the line it binds to all interfaces it finds  Commenting out the line is equivalent to bind-address     To check the binding of mysql service execute as root   netstat -tupan   grep mysql

User · Answer

In short  on MariaDB 1  sudo mysql -u root  2  use mysql  3  UPDATE mysql user SET plugin    mysql native password          Password   PASSWORD  pass1234   WHERE User    root   4  FLUSH PRIVILEGES  5  exit

User · Answer

To create user for phpMyAdmin     sudo mysql -p -u root   Now you can add a new MySQL user with the username of your choice    CREATE USER  USERNAME      IDENTIFIED BY  PASSWORD     And finally grant superuser privileges to the user you just created   GRANT ALL PRIVILEGES ON     TO  USERNAME      WITH GRANT OPTION    For any question  please leave a comment

User · Answer

Turns out you can t use the root user in 5 7 anymore without becoming a sudoer  That means you can t just run mysql -u root anymore and have to do sudo mysql -u root instead    That also means that it will no longer work if you re using the root user in a GUI  or supposedly any non-command line application   To make it work you ll have to create a new user with the required privileges and use that instead   See this answer for more details

User · Answer

Just Create New User for MySQL do not use root  there is a problem its security issue  sudo mysql -p -u root   Login into MySQL or MariaDB with root privileges  CREATE USER  troy121      IDENTIFIED BY  mypassword123     login and create a new user   GRANT ALL PRIVILEGES ON     TO  magento121121      WITH GRANT OPTION    and grant privileges to access     and         any location not just only  localhost   exit    if you want to see your privilege table SHOW GRANTS    amp  Enjoy

[php] SQLSTATE[HY000] [1698] Access denied for user 'root'@'localhost'

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[php] SQLSTATE[HY000] [1698] Access denied for user 'root'@'localhost'

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