How Can I Suppress MySQL's Command-Line Password Warning Messages?

Suppression of Warning Messages in MySQL Terminal Command Execution

As expressed in the provided question, running MySQL commands from the Terminal using an environment variable ($password) to store the password can generate a persistent warning message: "Warning: Using a password on the command line interface can be insecure."

To suppress this warning, one approach is to utilize the --defaults-extra-file flag in conjunction with a separate configuration file (e.g., "config.cnf"). This file should contain the following information:

[client]
user = "username"
password = "password"
host = "hostname"

By specifying this configuration file as an extra file when executing the MySQL command, you can override the default settings and avoid the warning message. For example:

mysql --defaults-extra-file=/path/to/config.cnf

Alternatively, one can also use the mysqldump command with the --defaults-extra-file flag to achieve the same result.

Now, regarding the concerns about password security, it's generally not recommended to store your password in a bash script, as this can pose a security risk if the script is shared or compromised. It's more secure to use a password manager or a separate configuration file managed by a secure tool like KeePass or Ansible Vault.

If you decide to store your password in a separate configuration file, ensure that the file is protected by appropriate permissions and not accessible to unauthorized users.

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