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Displaying posts with tag: skip-grant-tables (reset)
Reset root password on Galera Cluster (Percona or MariaDB)

Reset MySQL root password for Galera Cluster ( Percona Xtradb / MariaDB )

Recovering a MySQL `root` password – Three solutions

Three ways to recover a root user password:

The order of solutions here under gets more creative on the way down :)

1. obviously, before starting messing around check my.cnf or scripts for passwords entries, then try home directories for password files
2. secondly – can you restart mysql? if yes, restart with –skip-grant-tables, log into mysql, change your password and restart without –skip-grant-tables
3. third option – (on linux / unix ONLY)
If you haven’t found the password anywhere and can’t afford to restart your mysql.

cd data/mysql
cp -rp user.MYD bck_user.MYD_`date +%Y%m%d`
cp -rp user.MYD /tmp/user.MYD
vi /tmp/user.MYD #(edit the hashed passwords next to root*)
cp -rp /tmp/user.MYD user.MYD
sudo kill -HUP `pidof mysqld`

Note that the latter method of recovering a root password CAN be easily used maliciously leaving no trace! The only way to avoid such an attack is to make …

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