tweaks to prepare your OSX machine for an installation

osx-installation-mode.sh

# disable screensaver
defaults -currentHost write com.apple.screensaver idleTime 0;

# restart automatically if crashes
systemsetup -setrestartfreeze on;

# disable sleep
systemsetup -setcomputersleep Off > /dev/null;

# disable bluetooth setup dialog boxes
defaults write /Library/Preferences/com.apple.Bluetooth BluetoothAutoSeekKeyboard -bool false; 
defaults write /Library/Preferences/com.apple.Bluetooth BluetoothAutoSeekPointingDevice -bool false;

# disable apps that re-open on reboot
defaults write -g ApplePersistence -bool no;
defaults write NSGlobalDomain NSQuitAlwaysKeepsWindows -bool false;

# disable software update
sudo softwareupdate --schedule off;

# EXTRAS ###

# disable dashboard (saves a bit of memory)
defaults write com.apple.dashboard mcx-disabled -boolean YES;

# hide the desktop icons
defaults write com.apple.finder CreateDesktop -bool false;