MySQL fails on: mysql ERROR 1524 (HY000): Plugin 'auth_socket' is not loaded
I got a solution!
When resetting the root password at step 2), also change the auth plugin to
update user set authentication_string=PASSWORD("") where User='root';
update user set plugin="mysql_native_password" where User='root'; # THIS LINE
This allowed me to log in successfully!
Full code solution
1. First, run these bash commands
sudo /etc/init.d/mysql stop # stop mysql service
sudo mysqld_safe --skip-grant-tables & # start mysql without password
# enter -> go
mysql -uroot # connect to mysql
2. Then run mysql commands => copy paste this to CLI manually
use mysql; # use mysql table
update user set authentication_string=PASSWORD("") where User='root'; # update password to nothing
update user set plugin="mysql_native_password" where User='root'; # set password resolving to default mechanism for root user
3. Run more bash commands
sudo /etc/init.d/mysql stop
sudo /etc/init.d/mysql start # reset mysql
# try login to database, just press enter at password prompt because your password is now blank
mysql -u root -p
4. Socket issue (from your comments)
When you see a socket error, a community came with 2 possible solutions:
sudo mkdir -p /var/run/mysqld; sudo chown mysql /var/run/mysqld
sudo mysqld_safe --skip-grant-tables &
(thanks to @Cerin)
mkdir -p /var/run/mysqld && chown mysql:mysql /var/run/mysqld
(thanks to @Peter Dvukhrechensky)
Blind paths and possible edge errors
Use 127.0.0.1 instead of localhost
mysql -uroot # "-hlocalhost" is default
Can lead to "missing file" or slt error.
mysql -uroot -h127.0.0.1
Skip the socket issue
I've found many ways to create
mysqld.sock file, change access rights, or symlink it. It was not the issue after all.
The issue also was not there. If you are not sure, this might help you.
MySQL Won't let User Login: Error 1524
It appears your user table is corrupted. Likely the reboot you mentioned triggered an upgrade to MySQL and the
mysql_upgrade script was not run. This should resolve the situation:
mysql_upgrade -u root -ppassword --skip-grant-tables
mysql -u root -ppassword -e "UPDATE mysql.user SET plugin = 'mysql_native_password' WHERE user = 'mangos'; FLUSH PRIVILEGES"
--force option to
mysql_upgrade will re-apply the upgrade scripts even if an upgrade has already been done. This may be needed in case of partial restoration from backup.
Also worth mentioning, the command to change a user password has changed in MySQL 5.7.6 / MariaDB 10.2.0 and forward:
ALTER USER mangos IDENTIFIED BY 'mangos';
This is now the preferred method for setting the password, although the older
SET PASSWORD syntax is not officially deprecated.
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