I am currently at a loss right now while upgrading from 15.10 to 16.04 in Ubuntu. I currently can't take screen shots because I am right in the middle of the upgrading the distribution and my screenshot tool is broken. For some reason the installer froze and came up with the following message while installing the upgrades:
Configuring postgresql - common
Obsolete Major Version 9.4
The PostgreSQL version 9.4 is obsolete, but the server or client packages are installed. Please install the latest packages (postgresql-9.5 and postgresql-client-9.5) and upgrade the existing cluster with pg_upgradeclsuter (see manpage).
Please be aware that installation of postgresql-9.5 will automatically create a default cluster 9.5/main. If you want to upgrade the 9.4 main cluster, you need to remove the already existing 9.5 cluster (pg_dropcluster --stop 9.5 main, see manpage for details).
The old server and client packages are no longer supported. After the existing clusters are upgrade, the postgresql-9.4 and postgres-client-9.4 packages should be removed.
Please see /usr/share/doc/postgresql-common/README.Debian.gz for details."
The above message is given if you click on the terminal drop down. However it is not displayed in the terminal. It is a message box with a purple background in the back.
Unfortunately, I have have pressed control-C and tried to abort the operation. However the distribution upgrade box is still up there and the message is still being displayed so I am hoping I can still fix this. I honestly don't care if I have to get rid of postgresql now and reinstall it later, I just want my install to continue.
Does any one know how to solve this problem???