Situation :
I have tried to login as root to MariaDB Database in Linux Server, Getting below error.
[root@nsk ~]# mysql -u root -p
Enter password:
ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock'
Solution:
We need to recover the root password of mariadb. Follow the below steps to achieve root password recovery.
STEP 1 : Stop the mariadb service
[root@nsk ~]# systemctl stop mariadb.service
[root@nsk ~]#
STEP 2 : Run mysql in safe mode
[root@nsk ~]# mysqld_safe --skip-grant-tables &
[1] 8051
[root@nsk ~]# 180907 13:23:49 mysqld_safe Logging to '/var/log/mariadb/mariadb.log'.
180907 13:23:49 mysqld_safe Starting mysqld daemon with databases from /var/lib/mysql
STEP 3 : Login as root and select mysql db. Then reset root password.
[root@nsk ~]# mysql -u root -p
Enter password:
Welcome to the MariaDB monitor. Commands end with ; or \g.
Your MariaDB connection id is 1
Server version: 5.5.60-MariaDB MariaDB Server
Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
MariaDB [(none)]> show databases;
+-------------------------------+
| Database |
+-------------------------------+
| information_schema |
| company |
| mydb |
| mysql |
| performance_schema |
| test |
+-------------------------------+
6 rows in set (0.00 sec)
MariaDB [(none)]> use mysql;
Database changed
MariaDB [mysql]> update user set password=PASSWORD("NewPassword") where User='root';
Query OK, 0 rows affected (0.00 sec)
Rows matched: 3 Changed: 0 Warnings: 0
MariaDB [mysql]>
MariaDB [mysql]> flush privileges;
Query OK, 0 rows affected (0.00 sec)
MariaDB [mysql]> quit
Bye
STEP 4 : Now stop and start the mariadb service and test the new password.
[root@nsk ~]# systemctl stop mariadb.service
[root@nsk ~]#
[root@nsk ~]# systemctl start mariadb.service
[root@nsk ~]#
[root@nsk ~]# mysql -u root -p
Enter password:
Welcome to the MariaDB monitor. Commands end with ; or \g.
Your MariaDB connection id is 5
Server version: 5.5.60-MariaDB MariaDB Server
Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
MariaDB [(none)]>
Hope it helps.
Friday, September 7, 2018
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ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' - Mariadb running on RHEL7
ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' - Mariadb running on RHEL7
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