My collection of resources how to keep your mac fresh, fast and with lot of disk space. Still **WORK IN PROGRESS**. If you have any comments and tips, give me comment. Like how to clean after python, clojure, etc etc

OSX cleanup.md

• Homebrew
  • SOURCES
    • https://github.com/Homebrew/brew/blob/master/share/doc/homebrew/FAQ.md
  • brew update
    • Update brew itself and get new versions of formulas
  • brew upgrade [formula]
    • Upgrade all or specified formula to latest version
  • brew cleanup [-n]
    • Remove old installed versions of formulas
    • -n to see what will happened
  • brew prune [-v]
    • Clean brew symlinks
    • -v to see what will happened
  • brew missing
    • List missing dependencies. Output format "formula: missing dependency"
  • brew doctor
    • List of potential problems. You dont need to worry about it unless something makes real problem.
  • Clean cache
    • Downloaded source files of formulas
    • There is no direct command to do it
    • rm -rf brew --cache/*
  • Stop formula from being updated
    • brew pin formula
  • Start formula to update again
    • brew unpin formula
  • Cask
    • located /opt/homebrew-cask/Caskroom
    • brew cask cleanup
  • TIPS
    • Problem with Error: /usr/local must be writable!
      • Homebrew/legacy-homebrew#49895
      • TODO: not sure which of next is better :)
      • sudo chown -R $(whoami):admin /usr/local
      • sudo chgrp -R admin /usr/local
      • sudo chmod -R g+w /usr/local
• RVM
  • SOURCES
    • https://coderwall.com/p/x3z2ag/cleanup-rvm
  • rvm gemset empty GEMSET-NAME
    • Empty gemset with given name
  • rvm gemset delete GEMSET-NAME
    • Remove whole gemset
  • rvm remove RUBY-VERSION
    • Remove whole ruby version and all gemsets
  • rvm cleanup all
    • It removes source files, archives, log, tmp, links, etc
  • TIPS:
    • Enable global gem cache to keep each gem only once across all ruby versions and gemsets
      • rvm gemset globalcache enable
      • gem means activerecord-5.0.0.beta3.gem (source file)
• Bundler
  • http://bundler.io/v1.1/bundle_clean.html
  • bundle clean [—force]
    • Cleanup outdated gems (keep only gems in Gemfile.lock)
    • NOTE: cleaning is performed on active ruby version and gemset
• System scripts
  • TIPS:
    • Every following scripts and much more can be performed via awesome application Onyx
    • http://www.titanium.free.fr/onyx.html
  • Verify & Repair disk
    • http://osxdaily.com/2014/01/27/verify-disk-command-line-mac-os-x/
    • WARNING: can really slow (and block) computer for a while
    • verify: diskutil verifyvolume /
    • repair: diskutil repairvolume /
    • for external disk
      • diskutil verifyvolume|repairvolume /Volumes/ExternalBackups/
  • Verify & Repair permissions
    • http://osxdaily.com/2015/11/04/verify-repair-permissions-mac-os-x/
    • WARNING: can really slow (and block) computer for a while
    • verify: sudo /usr/libexec/repair_packages --verify --standard-pkgs /
    • repair: sudo /usr/libexec/repair_packages --repair --standard-pkgs --volume /
  • Daily, Weekly and monthly scripts
    • As you can guess, it is scripts which are run periodically. You can run them:
    • sudo periodic daily weekly monthly
• System and program files (from source codes, homebrew etc)
  • Logs /usr/local/var/log
    • Can be cleaned without any problem
    • rm /usr/local/var/log/**/*.log && rm /usr/local/var/log/*.log
    • TODO: better glob to match all
  • Data /usr/local/var (like databases etc)
    • Remove only what you dont use
      • old versions of databases
      • data for already uninstalled software
    • TIP: in some cases mysql wont release space after you drop database or remove table. Follow any solution noticed there https://stackoverflow.com/questions/4338645/free-space-in-mysql-after-deleting-tables-columns
  • Old Java versions
    • /Library/Java/JavaVirtualMachines/ contains files like jdk1.8.0_66.jdk etc.
    • Check your current version java -version
    • Remove rest with sudo rm -rf /Library/Java/JavaVirtualMachines/jdk1.8.0_66.jdk
• OSX files
  • /System/Library/Speech
    • You can remove Recognizers or Text to Speech voices which you dont use
  • Installed software (receipts)
    • SOURCE
      • http://www.nickshubin.fine-art-collection.com/articles/mac/install_history.html
      • http://hints.macworld.com/article.php?story=20100107090139622
    • locations
      • /private/var/db/receipts/
      • /Library/Receipts/
      • ~/Library/Receipts/
    • Information about receipt
      • pkgutil --pkg-info package-id
        • example: pkgutil --pkg-info com.apple.pkg.Pages5
    • Remove package receipt
      • sudo pkgutil --forget package-id
        • example: sudo pkgutil --forget com.apple.pkg.Pages5
  • /private/var/folders
    • https://discussions.apple.com/thread/3757828?tstart=0
    • https://apple.stackexchange.com/questions/176371/can-i-delete-private-var-folders-bf
      • quit all applications
      • sudo rm -rf /private/var/folders/*
      • reboot system to recreate all necessary files
  • /var is symlinked to /private/var