![]() ![]() To be able to login with password, you have to change the plugin from auth_socket to mysql_native_password. Mysql> SELECT plugin from er where User='root' Let’s check the current authentication plugin that MySQL server is using. Type '\c' to clear the current input statement. Other names may be trademarks of their respective Oracle is a registered trademark of Oracle Corporation and/or itsĪffiliates. Server version: 5.7.22-0ubuntu18.04.1 (Ubuntu)Ĭopyright (c) 2000, 2018, Oracle and/or its affiliates. The simplest approach to reset MySQL database root password is to execute mysqlsecureinstallation program and when prompted entering your new root MySQL password: sudo mysqlsecureinstallation. If it is match, you are authenticated!Įrror when login to mysql root user from normal linux user mysql -uroot -pĮRROR 1698 (28000): Access denied for user 'localhost'īut it is ok when we switch to linux root account sudo su # mysql -uroot With this configuration, MySQL won’t care about your input password, it will check the user is connecting using a UNIX socket and then compares the username. Take a look at this Ansible Module, it provides an easy and idempotent way for mysql_secure_installation in AnsibleĮxample - with a fresh MySQL Installation - name: test mysql_secure_installationĮxample - Change an existing root password - name: test mysql_secure_installationįor usage: All you have to do is create a dir called library in your playbooks or role's dir and copy the mysql_secure_installation.Start from MySQL Server 5.7, if we do not provide a password to root user during the installation, it will use auth_socket plugin for authentication. ![]() If none are present, the module will attempt to read the credentials from ~/.my.cnf, and finally fall back to using the MySQL default login of ‘root’ with no password. Step 3: Connect to the MySQL server as the root user. Step 2: Start the MySQL (mysqld) server/daemon process with the -skip-grant-tables option so that it will not prompt for a password. ansible-mysql_user_module, notesīoth login_password and login_user are required when you are passing credentials. I follow these steps : Step 1: Stop the MySQL server process. Subsequent runs of the playbook will then succeed by reading the new credentials from the file. This may be required if you're seeing errors like the following in cPanel or WHM. The second must drop a ~/.my.cnf file containing the new root credentials. Introduction This article covers how to change the root MySQL user password. Although you can log in as root, once you start the MySQL server, make sure you start it with the -usermysql option. To secure this user as part of an idempotent playbook, you must create at least two tasks: the first must change the root user’s password, without providing any login_user/login_password details. Step 1: Log in as the MySQL User When you boot into your Linux installation, make sure you’re logged in as the same user that normally runs MySQL. Relevant notes from ansible-mysql_user_module-documentation: my.cnf already exists, this will cause an mysql-root-password update. On the present system(s), ~/.my.cnf is kind of storage for current local mysql-credentials. ![]() The big advantage of this approach is having only one variable "mysql_root_password", which is always the correct one from a playbook's point-of-view. Task nr.2 will create ~/.my.cnf, oroverwrite existing old credentials ~/.my.cnf with new ones. On a present system, credentials from ~/.my.cnf are used to login and set password to mysql_root_password. Task nr.1 will create mysql-root-user with given credentials. On a new system, ~/.my.cnf is not present. Afterwards, you have a task, which creates a ~/.my.cnf with the correct credentials (nr.2). The trick is to have a task "Set root password"(nr.1), which will set the password. You can misuse ~/.my.cnf for being able to change the mysql-root-password. It looks like this playbook uses the root password in both the roles/mariadb/tasks/main.yml playbook and also roles/wordpress-setup/tasks/database.yml so you might want to run the whole server.yml playbook to make sure this is set up properly. So your group_vars/production should now contain: mysql_old_root_password: productionpw Login_password=""Īnd then update the relevant inventory files to add this new variable. The problem you have is that Ansible is trying to use the same root password to login as you want to change it to: - name: Set root user password ![]()
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