How do I troubleshoot MariaDB?

How do I troubleshoot MariaDB?

the server is either not running, or not running on the specified port, socket or pipe. Make sure you are using the correct host, port, pipe, socket and protocol options, or alternatively, see Getting, Installing and Upgrading MariaDB, Starting and Stopping MariaDB or Troubleshooting Installation Issues.

How do I reset my MariaDB database?

Follow these steps to reset your MySQL/MariaDB root password:

1. Stop the MySQL/MariaDB service.
2. Start the MySQL/MariaDB server without loading the grant tables.
3. Log in to the MySQL shell.
4. Set a new root password.
5. Stop and Start the database server normally.
6. Verify the password.

How do I reinstall MariaDB?

How to reinstall MariaDB on DirectAdmin server

1. Dump MySQL tables. First, make sure to dump all existing databases cd /usr/local/directadmin/custombuild/
2. Copy MySQL config file.
3. Remove existing MariaDB.
4. Rename /var/lib/mysql/
5. Re-install /etc/my.
6. Re-install MariaDB:
7. Set root’s password.
8. Recover mysql database.

How do I start MariaDB in Debian?

Installing MariaDB on Debian 9

1. First update the apt packages index by typing: sudo apt update.
2. Once the packages list is updated, install MariaDB by running the following command: sudo apt install mariadb-server.
3. The MariaDB service will start automatically. You can verify it by typing: sudo systemctl status mariadb.

How do I start MariaDB in recovery mode?

Step 1 – Bring up your database in recovery mode: In order to bring back your database you will need to start it in recovery mode, with innodb_force_recovery value set in the /etc/my. cnf file. You should know this recovery mode makes your databases read only.

How do I uninstall and reinstall MariaDB?

3 Answers

1. yum remove mariadb mariadb-server.
2. rm -rf /var/lib/mysql If your datadir in /etc/my.cnf points to a different directory, remove that directory instead of /var/lib/mysql.
3. rm /etc/my.cnf the file might have already been deleted at step 1.
4. Optional step: rm ~/.my.cnf.
5. yum install mariadb mariadb-server.

How do I get rid of MariaDB?

How to completely uninstall MariaDB from a Debian 7 server

1. Stop any running instanced of MariaDB.
2. Remove all MySQL packages from the system.
3. Remove the configs file.
4. Remove from the source list.

How do I install MariaDB on Debian server?

It is marked as the default MySQL variant by the Debian MySQL/MariaDB packaging team. To install it, update the package index on your server with apt: Then install the package: These commands will install MariaDB, but will not prompt you to set a password or make any other configuration changes.

How can I update MariaDB to the latest version?

For future updates to the package, all you’d need to do is to update the apt repository using apt update and then run apt upgrade. The mariadb-server package will be upgraded to the latest one automatically without you needing to go through this entire process again.

What to do if MariaDB is not running?

If MariaDB isn’t running, you can start it with the command sudo systemctl start mariadb. For an additional check, you can try connecting to the database using the mysqladmin tool, which is a client that lets you run administrative commands. For example, this command says to connect to MariaDB as root and return the version using the Unix socket:

How to set up a root account for MariaDB?

The next prompt asks you whether you’d like to set up a database root password. Type N and then press ENTER. In Debian, the root account for MariaDB is tied closely to automated system maintenance, so we should not change the configured authentication methods for that account.