MacOS Sierra Tweaks

macos_high_sierra_tweaks.md

MacOS High Sierra Tweaks

disable gatekeeper

sudo spctl --master-disable
sudo defaults write /var/db/SystemPolicy-prefs.plist enabled -string no
defaults write com.apple.LaunchServices LSQuarantine -bool false

# disable disk iamge verification
defaults write com.apple.frameworks.diskimages skip-verify -bool true && \
defaults write com.apple.frameworks.diskimages skip-verify-locked -bool true && \
defaults write com.apple.frameworks.diskimages skip-verify-remote -bool true

setup hostname.

sudo scutil --set ComputerName "newhostname" && \
sudo scutil --set HostName "newhostname" && \
sudo scutil --set LocalHostName "newhostname" && \
sudo defaults write /Library/Preferences/SystemConfiguration/com.apple.smb.server NetBIOSName -string "newhostname". 

System Integrity Protection [As of 10.12.2]

# status
sudo csrutil status

# enable
sudo csrutil clear

# disable
sudo csrutil disable

If the output of nvram -p contains csr-active-config

nvram -p

for example

csr-active-config w%00%00%00

the System Integrity Protection is disabled

sudo csrutil clear
# you should see the following:
Successfully cleared System Integrity Protection. Please restart the machine for the changes to take effect.

Increase window resize speed for Cocoa applications

defaults write NSGlobalDomain NSWindowResizeTime -float 0.001

Expand Applications Save Panel by Default

defaults write NSGlobalDomain NSNavPanelExpandedStateForSaveMode -bool true
defaults write NSGlobalDomain PMPrintingExpandedStateForPrint -bool true
defaults write NSGlobalDomain PMPrintingExpandedStateForPrint2 -bool true

disable annoying resume feature where all the windows reopen on programs systemwide

defaults write NSGlobalDomain NSQuitAlwaysKeepsWindows -bool false

disable saving to iCloud by default

defaults write NSGlobalDomain NSDocumentSaveNewDocumentsToCloud -bool false

disable sleep mode

systemsetup -setcomputersleep Off > /dev/null

disable smart quotes, dashes, and autocorrect

defaults write NSGlobalDomain NSAutomaticQuoteSubstitutionEnabled -bool false
defaults write NSGlobalDomain NSAutomaticDashSubstitutionEnabled -bool false
defaults write NSGlobalDomain NSAutomaticSpellingCorrectionEnabled -bool false

enable HiDPI display modes (restart required)

sudo defaults write /Library/Preferences/com.apple.windowserver DisplayResolutionEnabled -bool true

Displaying full POSIX path as Finder window title

defaults write com.apple.finder _FXShowPosixPathInTitle -bool true

Disabling the warning when changing a file extension

defaults write com.apple.finder FXEnableExtensionChangeWarning -bool false

Use column view in all Finder windows by default

defaults write com.apple.finder FXPreferredViewStyle Clmv

Avoiding the creation of .DS_Store files on network volumes

defaults write com.apple.desktopservices DSDontWriteNetworkStores -bool true

Enabling snap-to-grid for icons on the desktop and in other icon views

/usr/libexec/PlistBuddy -c "Set :DesktopViewSettings:IconViewSettings:arrangeBy grid" ~/Library/Preferences/com.apple.finder.plist
/usr/libexec/PlistBuddy -c "Set :FK_StandardViewSettings:IconViewSettings:arrangeBy grid" ~/Library/Preferences/com.apple.finder.plist
/usr/libexec/PlistBuddy -c "Set :StandardViewSettings:IconViewSettings:arrangeBy grid" ~/Library/Preferences/com.apple.finder.plist

Disable Dock autohide

defaults write com.apple.dock autohide -bool false

disable hibernation

sudo pmset -a hibernatemode 0

Disable computer sleep and stop the display from shutting off

sudo pmset -a sleep 0
sudo pmset -a displaysleep 0

Safari

Enabling the Develop menu and the Web Inspector in Safari

defaults write com.apple.Safari IncludeDevelopMenu -bool true
defaults write com.apple.Safari WebKitDeveloperExtrasEnabledPreferenceKey -bool true
defaults write com.apple.Safari "com.apple.Safari.ContentPageGroupIdentifier.WebKit2DeveloperExtrasEnabled" -bool true

Adding a context menu item for showing the Web Inspector in web views

defaults write NSGlobalDomain WebKitDeveloperExtras -bool true