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Wifi

It can be useful to create a symlink to the internal airport binary so you can control wifi from your terminal:

ln -s /System/Library/PrivateFrameworks/Apple80211.framework/Versions/A/Resources/airport /usr/local/bin/wifi

Results:

  • wifi -s: list available wifi networks.
  • wifi -I: info on the current wifi connection.

NOTE: Reference.

Developer Mode

Warning

I'm not sure if this is still relevant with the change over in terminals and OS versions.

To enable developer mode:

spctl developer-mode enable-terminal

Turning this feature on has been shown to improve the speed of certain terminal operations like running Rust compilation.

OS Wake Up

To improve your retina macOS 'wake-up from sleep' performance:

sudo pmset -a standbydelay 7200

The larger the number (time in seconds), the longer it will take macOS to switch into 'standby mode'. This mode takes a while to 'wake up' before you can log back in, and people tend to prefer delaying it for as long as possible (reference).