I recently got a Rasperry Pi and I've googled for many little oddities so I figured I'd write them up here on this blog to save anyone else out there some time.
I decided to create a new account it administrative privileges. So I create a new account for myself and enable sudo for it.
sudo adduser chris
Then add a line to the /etc/sudoers like so.
sudo visudo
This will open the /etc/sudoers file in nano, add a line just like the one already there for the pi user.
chris ALL=(ALL) NOPASSWD: ALL
However, I spelled PASSWD correctly. And consequently get:
sudo: parse error in /etc/sudoers near line 29
sudo: no valid sudoers sources found, quitting
sudo: unable to initialize policy plugin
Can't shutdown, can't edit /etc/sudoers. So I thought I was stuck. Looking online if you have Linux you can put the SD card in your card reader, and mount the file that is rasparian image and edit to your hearts content. On Mac you can sorta do it with Fuse-ext2. Here is the best set of directions for that http://pi.gbaman.info/?p=328. But, I decided to try something I hadn't seen before:
logout
Then I logged in with "root"! Now I could edit /etc/sudoers all I wanted.
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