Re: How to upgrade Centos 4.3 to PHP 5.1 and Postgresql 8.1

Richmond Dyes wrote:
> That's the problem.  There are no errors persay.  That's why I am
> looking for basic instructions on how to get that upgrade done with
> rpm's from someone who has done it.

Assuming you have downloaded the rpm's. Don't know if CentOS has a "yum"
or "apt" type program that will handle that for you.

What version of postgresql are you upgrading from? If it's from 8.1.X to
8.1.Y then this will work:

Take a database dump as a backup.

Stop postgresql:

/etc/init.d/postgresql stop

update the rpms:

rpm -Fvh postgresql-*

Start postgresql:

/etc/init.d/postgresql start


If you are doing from 8.0.X to 8.1.Y then you need to:


Take a database dump as a backup.

Copy or zip your existing files (/var/lib/pgsql/data) somewhere safe.

Stop postgresql:

/etc/init.d/postgresql stop

update the rpms:

rpm -Fvh postgresql-*

rm -rf /var/lib/pgsql/data or where-ever your postgresql data files are.
Of course your backup is somewhere else!

Start postgresql:

/etc/init.d/postgresql start

(that should handle doing an 'initdb')

import your backup:

su - postgres
psql < /path/to/your/database.dump.file

If you have made any changes to the postgresql.conf file or pg_hba.conf
file then you'll need to copy those back from your backup as well.

I'm sure someone will correct me if I have missed any steps.

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