MacOS X - VM Optimizations

macos-tune-vm.sh

echo "Fix LoginBackground"
mv /System/Library/CoreServices/DefaultDesktop.jpg /System/Library/CoreServices/DefaultDesktop.jpg.orig
echo "iVBORw0KGgoAAAANSUhEUgAAAAEAAAABAQMAAAAl21bKAAAAA1BMVEWAdnEYKLmAAAAACklEQVR4nGNiAAAABgADNjd8qAAAAABJRU5ErkJggg" | base64 -D -o /System/Library/CoreServices/DefaultDesktop.jpg
chflangs uchg /System/Library/CoreServices/DefaultDesktop.jpg

echo "Disable Animations"
defaults write NSGlobalDomain NSAutomaticWindowAnimationsEnabled -bool NO

echo "Disable Mail Animations"
defaults write com.apple.Mail DisableReplyAnimations -bool YES
defaults write com.apple.Mail DisableSendAnimations -bool YES

echo "Disable Mission Control Animations"
defaults write com.apple.dock expose-animation-duration -int 0; killall Dock

echo "Disable Launchpad Animations"
defaults write com.apple.dock springboard-show-duration -int 0
defaults write com.apple.dock springboard-hide-duration -int 0

echo "Expanding the save panel by default"
defaults write NSGlobalDomain NSNavPanelExpandedStateForSaveMode -bool true
defaults write NSGlobalDomain PMPrintingExpandedStateForPrint -bool true
defaults write NSGlobalDomain PMPrintingExpandedStateForPrint2 -bool true

echo ""
echo "Disable smart quotes and smart dashes"
  defaults write NSGlobalDomain NSAutomaticQuoteSubstitutionEnabled -bool false
  defaults write NSGlobalDomain NSAutomaticDashSubstitutionEnabled -bool false



echo ""
echo "Disable hibernation (speeds up entering sleep mode)"
  sudo pmset -a hibernatemode 0
  sudo pmset -a disksleep 0
sudo pmset -a lidwake 0
  
echo ""
echo "Remove the sleep image file to save disk space"
   sudo rm /Private/var/vm/sleepimage
  echo "Creating a zero-byte file instead"
  sudo touch /Private/var/vm/sleepimage
  echo "and make sure it can't be rewritten"
  sudo chflags uchg /Private/var/vm/sleepimage

echo "Disable the sudden motion sensor"
  sudo pmset -a sms 0

echo "Disable the menubar transparency? "

  defaults write com.apple.universalaccess reduceTransparency -bool true
  
echo "Disable atime"  
cat <<END_ATIME > /Library/LaunchDaemons/com.noatime.root.plist
<?xml version="1.0" encoding="UTF-8"?> 
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd"> 
<plist version="1.0"> 
    <dict> 
        <key>Label</key> 
        <string>com.noatime.root</string> 
        <key>ProgramArguments</key> 
        <array> 
            <string>mount</string> 
            <string>-uwo</string> 
            <string>noatime</string> 
            <string>/</string> 
        </array> 
        <key>RunAtLoad</key> 
        <true/> 
    </dict> 
</plist>
END_ATIME 

  echo ""
echo "Disabling press-and-hold for special keys in favor of key repeat"
defaults write NSGlobalDomain ApplePressAndHoldEnabled -bool false

echo ""
echo "Setting a blazingly fast keyboard repeat rate"
defaults write NSGlobalDomain KeyRepeat -int 0

echo "Display full POSIX path as Finder window title"

  defaults write com.apple.finder _FXShowPosixPathInTitle -bool true
  
  echo ""
echo "Speeding up Mission Control animations and grouping windows by application"
defaults write com.apple.dock expose-animation-duration -float 0.1
defaults write com.apple.dock "expose-group-by-app" -bool true

echo "Disable local Time Machine backups? "
  hash tmutil &> /dev/null && sudo tmutil disablelocal
  
  echo ""
echo ""
cecho "################################################################################" $white
echo ""
echo ""
cecho "Note that some of these changes require a logout/restart to take effect." $red
cecho "Killing some open applications in order to take effect." $red
echo ""

find ~/Library/Application\ Support/Dock -name "*.db" -maxdepth 1 -delete
for app in "Activity Monitor" "Address Book" "Calendar" "Contacts" "cfprefsd" \
  "Dock" "Finder" "Mail" "Messages" "Safari" "SystemUIServer" \
  "Terminal" "Transmission"; do
  killall "${app}" > /dev/null 2>&1
done