Solved the sudoers file permissions problem :

Mounted the ext4 sd card partition on another Linux machine, and changed the permissions back to 400.

All works again without a re-install

There is one case where you will need root password : Add a user to the pi, add this user to the list of allowed sudo users and get the file permissions wrong (through unfamiliarity with the editor used with visudo. You can not then sudo to correct the problem. arrrrrrgggggghhhhh So before adding us...

Running Debian squeeze, debian6-19-04-2012. Needed to do a bit more to get it all compiled up, history follows. Just the getting of git was missing on squeeze. Did take about an hour to compile. I did all this as the pi user, including running it at the end. Was only getting about 20fps. I couldn't ...

I managed to get my favourite toy program, xswarm , running with the following. A dump of my command history follows. Amazed that an old program (1990) still compiles and works for X11 out of the box, and it is such a short program. Did require a lot of packages added to support the compile of X11 p...

This is a part solution for a problem which may catch others. Got my Pi, got my power sorted after removing wireless mouse. So no power problems. Next problem was dhcp. Booted Pi attached to a D-Link wireless router. Router is configured for serving static ip's to macs. Router is also mac locked. 1s...

Posting just for future reference by others, as it sounds as if you have the solution already. Had exactly the same problem. Bought a USB power supply from maplin, rated at 1A. All was going well until i plugged in Msoft wireless mouse which caused USB and eth0 problems in the logs : usb 1-1.2: rese...