sudo/gksu communicate with corresponding applications via network.
Network-manager spoiled /etc/hosts, did not handle change in domain name properly.
After asigning an alias without '.domain' appended makes sudo/gksu happy and now also synaptic and update-manager work.
has been solved with release.
Actual root cause was:
sudo/gksu communicate with corresponding applications via network.
Network-manager spoiled /etc/hosts, did not handle change in domain name properly.
After asigning an alias without '.domain' appended makes sudo/gksu happy and now also synaptic and update-manager work.