Skip to content

Mac OS Tips


When I find myself searching for things more than once or twice I like to put them somewhere I can easily find them again rather than having to search for them constantly. This is where I'll put snippets of useful code and other commands, at least for now.™

Flush DNS

sudo dscacheutil -flushcache;sudo killall -HUP mDNSResponder

Change the Admin password without the password

This assumes you've already tried to reset using Apple ID

  1. Restart
  2. Press and hold cmd + R to start in recovery mode
  3. Click on Utilities from the menu bar
  4. Click on Terminal in the drop down menu
  5. In the terminal, type: resetpassword and press "Enter"
  6. Follow instructions to reset password

Factory Reset

  1. Click on the Apple Icon (in the top left corner)
  2. Click Open System Preferences
  3. Select Erase all contents and Settings
  4. Enter your password for the admin account
  5. Click OK
  6. Click Erase all Contents and Settings

Test Network Quality Directly From Terminal

$ networkquality
==== SUMMARY ====
Upload capacity: 18.189 Mbps
Download capacity: 156.692 Mbps
Upload flows: 20
Download flows: 20
Responsiveness: Medium (235 RPM)


Keep Mac from sleeping for X seconds

$ caffeinate -u -t 15

Add ability to Quit Finder

$ defaults write QuitMenuItem -bool true 
$ killall Finder
After applying the settings there will be an option to quit Finder from the Finder menu itself or using cmd + Q