xubuntu 15.04 core via mini.iso
install would fail with
Error getting authority: Error initializing authority: Error calling StartServiceByName for org.freedesktop.PolicyKit1: Timeout was reached (g-io-error-quark, 24)
http://paste.ubuntu.com/11119131/
Host
xubuntu 14.04.2
3.16.0-37-generic #51~14.04.1-Ubuntu SMP Wed May 6 15:23:14 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
virtualbox 4.3.26 r98988
Guest
http://archive.ubuntu.com/ubuntu/dists/vivid/main/installer-amd64/current/images/netboot/mini.iso
The solution which worked for me was to First install policykit-1 then run the core install
apt-get update
apt-get install policykit-1
# apt-get install policykit-1
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following extra packages will be installed:
libpolkit-agent-1-0 libpolkit-backend-1-0
The following NEW packages will be installed:
libpolkit-agent-1-0 libpolkit-backend-1-0 policykit-1
apt-get install xubuntu-core^