Setting the Mysql For Hostinger VPS

.txt

```It seems like there are issues with the InnoDB storage engine and the inability to lock the `ibdata1` file. This can be a common problem when the MySQL server is not shut down properly, or there are permission issues.

Here are some steps you can take to resolve this issue:

1. **Stop MySQL Service:**
   ```
   sudo service mysql stop
   ```

2. **Backup Existing Data:**
   Before making any changes, it's a good idea to back up your existing MySQL data.

3. **Check and Correct Ownership and Permissions:**
   Ensure that the MySQL data directory and files have the correct ownership and permissions. The MySQL data directory is typically `/var/lib/mysql`. The owner should be the MySQL user, and the permissions should allow the MySQL user to read and write.

   ```
   sudo chown -R mysql:mysql /var/lib/mysql
   ```

4. **Remove `ibdata1` and `ib_logfile*` Files:**
   ```
   sudo rm /var/lib/mysql/ibdata1
   sudo rm /var/lib/mysql/ib_logfile*
   ```

5. **Start MySQL in Recovery Mode:**
   Start MySQL in recovery mode to recreate the necessary files.
   ```
   sudo mysqld --innodb_force_recovery=1
   ```

6. **Stop MySQL:**
   ```
   sudo service mysql stop
   ```

7. **Remove `ibdata1` and `ib_logfile*` Again:**
   ```
   sudo rm /var/lib/mysql/ibdata1
   sudo rm /var/lib/mysql/ib_logfile*
   ```

8. **Start MySQL:**
   ```
   sudo service mysql start
   ```

9. **Check MySQL Error Log:**
   Examine the MySQL error log to see if there are any further issues.
   ```
   sudo tail -n 50 /var/log/mysql/error.log
   ```

If the issue persists, you may need to consider more advanced recovery options or restoring from a backup. Please be cautious when performing these steps, and if possible, consult MySQL documentation or seek the assistance of a database administrator.