How to start Vagrant boxes without a password on your Mac

I use Vagrant boxes for almost all of my development work. I recently came across this simple yet incredibly time-saving Vagrant tip. I use NFS to share files between my host computer and Vagrant box. While Vagrant makes this quite trivial to do Vagrant does require elevated permissions to mount the NFS share which means I need to enter my password everytime a Vagrant box starts up. This isn’t a huge deal as I only restart my Vagrant boxes a few times a week but I frequently will start up a box then go do something else while it boots and when I return later I see my box sitting at the password prompt. By adding a few lines to my /etc/sudoers file I just type vagrant up and I’m done.

1. Open up terminal. (CMD+SPACE, type in terminal)

2. Type in:
sudo visudo

3. Enter your password.

4. Add these lines to the bottom of the file.
Cmnd_Alias VAGRANT_EXPORTS_ADD = /usr/bin/tee -a /etc/exports
Cmnd_Alias VAGRANT_NFSD = /sbin/nfsd restart
Cmnd_Alias VAGRANT_EXPORTS_REMOVE = /usr/bin/sed -E -e /*/ d -ibak /etc/exports
%admin ALL=(root) NOPASSWD: VAGRANT_EXPORTS_ADD, VAGRANT_NFSD, VAGRANT_EXPORTS_REMOVE

In case you aren’t familiar with vim, press i to insert text, when done, press ESC, then : followed by wq then press enter.

Your done! Wait 5 minutes (because you just typed in your password like 30 seconds ago). Then type vagrant up from your project root and don’t enter your password.

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