sudo chown -R $(whoami) /usr/local
brew search packageName brew install packageName brew info packageName brew uninstall packageName brew upgrade // upgrade everything brew upgrade packageName brew update // update the formulae and Homebrew itself brew list // list installed packages brew outdated // list everything that is outdated brew pin <formula> // stop something from being updated/upgraded brew unpin <formula> // allow that formulae to update again brew cleanup <formula> // remove old formulas brew cleanup brew cleanup -n // see what should be cleanup
What is the purpose of the 'brew doctor' command?
You want to use this command after system changes (such as OS X or Xcode updates) or if you think you need to troubleshoot your Homebrew installation. The output will tell you what’s wrong and generally how to fix it.
What is the purpose of the 'brew update' command?
This will update your Homebrew formula list. Note, this doesn’t update all your installed packages! What this does is update the versions and availability of packages you could install. You want to run this often to keep your Homebrew installation up to date with the latest available software.
What is the purpose of the 'brew upgrade' command?
This will upgrade your installed packages.
What is the purpose of the 'brew list' command?
This will list all the packages that are currently installed on your system.