Giving away your credentials is dangerous, please do not do so.
Let us know the output of /var/log/mongodb, or what happens when you try to start mongo from the command line, thanks.
just want to upgrade from 1.6.x to 1.7.x failed
Please guide me solve this error.
npm i commander --save and try again.
As an addendum, it might help to
npm unl commander before installing it. Try Baris' command first, and if no good, then run mine, then Baris' again.
@baris problem solved, many thanks!