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I'm trying to install postgresql 9.3 in my ubuntu lucid machine. The problem is that I'm getting this error when running apt-get install postgresql-9.3

=> apt-get install postgresql-9.3
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following extra packages will be installed:
  postgresql-client-9.3
Suggested packages:
  oidentd ident-server locales-all postgresql-doc-9.3
The following NEW packages will be installed:
  postgresql-9.3 postgresql-client-9.3
0 upgraded, 2 newly installed, 0 to remove and 700 not upgraded.
Need to get 8,944 kB of archives.
After this operation, 23.6 MB of additional disk space will be used.
Do you want to continue [Y/n]? Y
Get:1 http://apt.postgresql.org/pub/repos/apt/ lucid-pgdg/main postgresql-client-9.3 amd64 9.3.2-1.pgdg10.4+1 [2,186 kB]
Get:2 http://apt.postgresql.org/pub/repos/apt/ lucid-pgdg/main postgresql-9.3 amd64 9.3.2-1.pgdg10.4+1 [6,758 kB]
Fetched 8,944 kB in 6s (1,294 kB/s)
Selecting previously unselected package postgresql-client-9.3.
(Reading database ... 48797 files and directories currently installed.)
Unpacking postgresql-client-9.3 (from .../postgresql-client-9.3_9.3.2-1.pgdg10.4+1_amd64.deb) ...
Selecting previously unselected package postgresql-9.3.
Unpacking postgresql-9.3 (from .../postgresql-9.3_9.3.2-1.pgdg10.4+1_amd64.deb) ...
Setting up postgresql-client-9.3 (9.3.2-1.pgdg10.4+1) ...
update-alternatives: error: alternative pg_basebackup.1.gz can't be slave of psql.1.gz: it is a slave of postmaster.1.gz
dpkg: error processing postgresql-client-9.3 (--configure):
 subprocess installed post-installation script returned error exit status 2
No apport report written because MaxReports is reached already
                                                              dpkg: dependency problems prevent configuration of postgresql-9.3:
 postgresql-9.3 depends on postgresql-client-9.3; however:
  Package postgresql-client-9.3 is not configured yet.
dpkg: error processing postgresql-9.3 (--configure):
 dependency problems - leaving unconfigured
No apport report written because MaxReports is reached already
                                                              Errors were encountered while processing:
 postgresql-client-9.3
 postgresql-9.3
E: Sub-process /usr/bin/dpkg returned an error code (1)

I've been searching on google for two hours without solving the problem. Why is this happening and how could I solve it?

share|improve this question
    
Do you have a different (older) version of PostgreSQL installed? Remove it first. –  Michael Hampton Dec 23 '13 at 0:10
    
Yes. I'm trying to upgrade from 9.1 to 9.3 on a production server. So I was hoping to do some kind of "hot swap" with no downtime. –  Oleander Dec 23 '13 at 0:11
1  
@MichaelHampton Can I remove my current version using apt-get remove postgresql-9.1 without losing any data? –  Oleander Dec 23 '13 at 0:20
    
@Oleander There are no database file differences between PG minor versions (eg, 9.1 => 9.3) so you do not need to do a full dump and restore. I would shutdown postgres, take a full backup of the database files (eg, tar czf /backup/pg.tgz /path/to/pgfiles/) then upgrade and restore the backup. You're playing with fire doing this on a production server though. I do not recommend proceeding until you completely understand the process, and have tested it on another box first. –  fukawi2 Dec 23 '13 at 4:35
    
@fukawi2 9.1 and 9.3 are major versions though, full dump and restore are needed (at least), but maybe pg_upgrade could help. –  Milen A. Radev Dec 23 '13 at 8:01

1 Answer 1

It seems there was a bug in the 9.1 packages, but it should be fixed.

As indicated in the linked thread the issue could be resolved by running :

update-alternatives --remove postmaster.1.gz /usr/share/postgresql/9.1/man/man1/postmaster.1.gz

and then reinstalling postgresql-9.1:

apt-get install -f
apt-get install --reinstall postgresql-9.1
share|improve this answer
    
Thank you. This fixed my issue exactly. –  Tanner Jun 13 at 0:59

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