If you received the message “Error: Unknown command: cask” while attempting to install multipass with the brew cask command. As stated in the code section:
$ brew cask install multipass Error: Unknown command: cask
Keep reading this article to find out how to fix this error.
How To Fix This Error?
This error is caused by the fact that cask is no longer a brew command. You will use the following command to install a Cask:
$ brew install <package> # OR $ brew install --cask <package>
Install instead of brew cask. So let us rerun the installation and see what happens:
$ brew install --cask multipass ==> Downloading https://github.com/CanonicalLtd/multipass/releases/download/v1.6 ==> Downloading from https://github-releases.githubusercontent.com/114128199/4dd ######################################################################## 100.0% ==> Installing Cask multipass ==> Running installer for multipass; your password may be necessary. Package installers may write to any location; options such as `--appdir` are ignored. Password: installer: Package name is multipass installer: Installing at base path / installer: The install was successful. 🍺 multipass was successfully installed!
Reading brew help pages is also useful if you run into any problems while using the command. Here are some common methods of seeking assistance:
$ brew help $ man brew $ brew help <command>
Examples of brew common usage:
$ brew help Example usage: brew search TEXT|/REGEX/ brew info [FORMULA|CASK...] brew install FORMULA|CASK... brew update brew upgrade [FORMULA|CASK...] brew uninstall FORMULA|CASK... brew list [FORMULA|CASK...] Troubleshooting: brew config brew doctor brew install --verbose --debug FORMULA|CASK Contributing: brew create URL [--no-fetch] brew edit [FORMULA|CASK...] Further help: brew commands brew help [COMMAND] man brew https://docs.brew.sh
Also read:- [Answered] How To Fix The BLCMM Hexedit Executable Error?
Conclusion
I hope this guide was helpful in getting around the error message when attempting to install a package on macOS using the brew package manager. The error “error: unknown command: cask” should no longer be an issue from now on.
If you have any queries, please leave them in the comments down below.