To set up Passenger some packages must be installed, for example libcurl4-openssl-dev:
user@ubuntu:~$ sudo apt-get install libcurl4-openssl-dev Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be installed. This may mean that you have requested an impossible situation or if you are using the unstable distribution that some required packages have not yet been created or been moved out of Incoming. The following information may help to resolve the situation: The following packages have unmet dependencies: libcurl4-openssl-dev : Depends: libcurl3 (= 7.21.3-1ubuntu1) but 7.21.3-1ubuntu1.5 is to be installed Depends: libkrb5-dev but it is not going to be installed or hurd but it is not installable E: Broken packages
What to do? If I try to install them manually, they reveal their own unmet dependencies etc, etc.
sudo apt-get update
Adding maverick-security repository by adding
deb http://security.ubuntu.com/ubuntu maverick-security main universe restricted multiverse
in Synaptic Package Manager and then sudo apt-get update didn't help too.