macOS

Allow an app to run

sudo xattr -rd com.apple.quarantine /path/to/the.app

Disable emoji predictions in macOS Sonoma and higher

sudo defaults write /Library/Preferences/FeatureFlags/Domain/UIKit.plist emoji_enhancements -dict-add Enabled -bool NO

Source: https://www.reddit.com/r/MacOS/comments/16wzdk9/is_there_a_way_to_turn_off_the_new_emoji/

Disable stupid Tahoe menu icons

defaults write -g NSMenuEnableActionImages -bool NO

Use TouchID for sudo

Create /etc/pam.d/sudo_local and add this to it:

auth       sufficient     pam_tid.so

Source: https://support.apple.com/en-us/109030

Dock

Configure auto-hide delay:

# set to 200ms (default)
defaults write com.apple.dock "autohide-delay" -float "0.2" && killall Dock

# set to 30ms
defaults write com.apple.dock "autohide-delay" -float "0.03" && killall Dock

# set to immediate
defaults write com.apple.dock "autohide-delay" -float "0"   && killall Dock

Finding what processes are using a TCP port

sudo lsof -nP -iTCP -sTCP:LISTEN

Time Machine

Configure backup speed:

# normal speed (default)
sudo sysctl debug.lowpri_throttle_enabled=1

# speed up backups
sudo sysctl debug.lowpri_throttle_enabled=0