Sudo without a password in Mac OS X

Mac OS X users who spend a lot of time in Terminal may find having to enter their account passwords when using sudo to be inconvenient. A few simple steps can disable this and allow you to use sudo without ever needing a password in Mac OS X 10.6 Snow Leopard. The steps are similar for 10.3, 10.4 and 10.5 however /etc/sudoers may be slightly different.

Warning! Be aware that removing the password requirement to use sudo eliminates a level of security. If someone gains access to your account they will be able to easily escalate to root privileges.

First, edit /etc/sudoers and uncomment (remove the “#”)

# %wheel    ALL=(ALL)   NOPASSWD: ALL

Then, in Terminal run the following command as root, replacing your_username with your account username:

dscl . append /Groups/wheel GroupMembership your_username

Original: http://mattdanger.net/2009/01/sudo-without-a-password-in-mac-os-x/

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