Hi @robert.fowler,
I couldn't reproduce your issue. I launched a fresh new WordPress Multisite instance in AWS Lightsail and I managed to connect with MySQl just fine. Which password are you using when prompted? Note the default password is in the bitnami_credentials file
Welcome to Ubuntu 16.04.6 LTS (GNU/Linux 4.4.0-1102-aws x86_64)
___ _ _ _
| _ |_) |_ _ _ __ _ _ __ (_)
| _ \ | _| ' \/ _` | ' \| |
|___/_|\__|_|_|\__,_|_|_|_|_|
*** Welcome to the Bitnami WordPress Multisite 5.3.2-3 ***
*** Documentation: https://docs.bitnami.com/aws/apps/wordpress-multisite/ ***
*** https://docs.bitnami.com/aws/ ***
*** Bitnami Forums: https://community.bitnami.com/ ***
#######################################################
### For frequently used commands, please run: ###
### sudo /opt/bitnami/bnhelper-tool ###
#######################################################
To run a command as administrator (user "root"), use "sudo <command>".
See "man sudo_root" for details.
bitnami@ip-172-26-1-99:~$ cat bitnami_credentials
Welcome to the Bitnami WordPress Multisite Stack
******************************************************************************
The default username and password is 'user' and '__REDACTED_PASSWORD__'.
******************************************************************************
You can also use this password to access the databases and any other component the stack includes.
Please refer to https://docs.bitnami.com/ for more details.
bitnami@ip-172-26-1-99:~$ mysql -u root -p
Enter password:
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 24
Server version: 8.0.18 MySQL Community Server - GPL
Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
mysql> exit
Bye
bitnami@ip-172-26-1-99:~$ mysql -u root -p -h 127.0.0.1
Enter password:
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 25
Server version: 8.0.18 MySQL Community Server - GPL
Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
mysql>
