I\'ve installed the mongodb 2.0.3, using the mongodb-10gen debian package. Everything went well, except the service which is installed by default is not starting up when com
Fixed!
The reason was the dbpath variable in /etc/mongodb.conf.
Previously, I was using mongodb 1.8, where the default value for dbpath was /data/db.
The upstart job mongodb(which comes with mongodb-10gen package) invokes the mongod with --config /etc/mongodb.conf option.
As a solution, I only had to change the owner of the /data/db directory recursively.