Do not install with HomeBrew. HomeBrew has issues with mono and when a thread was opened to address the issues homebrew monitor closed the thread without resolving the issue saying he did not like the tone of the thread.
After Installing Mono via this download link from the official Mono site, mono may be used from the command line.
NOTE: The path for using mono is:
You can alter your .bash_profile file to make this easier with an alias.
Install KeePass as instructed at this link .
Be sure to
- Download the portable version of KeePass (file
KeePass-2.xx.zip) and unpack it in a location of your choice.
- From the KeePass installed directory, run the command $> /Library/Frameworks/Mono.framework/Versions/Current/bin/mono –arch=32 KeePass.exe
- ref: Stack Exchange thread: https://stackoverflow.com/questions/32542535/how-to-install-mono-on-macos-so-mono-works-in-terminal