Configuration
This page details how you are supposed to edit your user/config.php (with a raw text editor such as Notepad)
Credentials
How to use encrypted passwords in your config file.
Private/Public
In your config.php you have to define constant YOURLS_PRIVATE. It can be one of these two lines:
Character set
In user/config.php the setting YOURLSURLCONVERT defines what characters short URLs will use.