Difference between revisions of "Postgresql"

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{{Warning box|The above command install '''postgres''' and update '''postgres-libs''', and install for dependency '''tcl''' and '''mx''' from '''base''' repository. If you see other packages, such as '''perl''' or '''php''', '''abort the installation now!'''. This occur because maybe you have installed '''perl-CGI-Session''' or '''perl-DBD-Pg'''. These two packages are in your system because you have installed '''otrs''' or another aplication. In my case I have remove these two packages (because I not need '''otrs''' any more), and run again the installation.}}
 
{{Warning box|The above command install '''postgres''' and update '''postgres-libs''', and install for dependency '''tcl''' and '''mx''' from '''base''' repository. If you see other packages, such as '''perl''' or '''php''', '''abort the installation now!'''. This occur because maybe you have installed '''perl-CGI-Session''' or '''perl-DBD-Pg'''. These two packages are in your system because you have installed '''otrs''' or another aplication. In my case I have remove these two packages (because I not need '''otrs''' any more), and run again the installation.}}
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 +
Start postgres
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 +
/etc/init.d/postgresql start
  
 
Then make the necesary custom templates:
 
Then make the necesary custom templates:
  
/etc/init.d/postgresql start
 
 
  mkdir -p /etc/e-smith/templates/var/lib/pgsql/data
 
  mkdir -p /etc/e-smith/templates/var/lib/pgsql/data
 
  mkdir -p /etc/e-smith/templates-custom/var/lib/pgsql/data
 
  mkdir -p /etc/e-smith/templates-custom/var/lib/pgsql/data
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  \q
 
  \q
 
  exit
 
  exit
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 +
Edit the file '''/etc/e-smith/templates-custom/var/lib/pgsql/data/postgresql.conf''' and change the following settings:
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 +
superuser_reserved_connections=2
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ssl = on
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password_encryption = on
 +
listen_addresses = 'localhost'
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 +
Then copy your server SSL keys:
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 +
cd /var/lib/pgsql/data
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cp /etc/httpd/conf/ssl.crt/server.crt .
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cp /etc/httpd/conf/ssl.key/server.key .
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chown postgres:postgres server.*
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 +
Edit the file '''/etc/e-smith/templates-custom/var/lib/pgsql/data/pg_hba.conf''' and change the following settings:

Revision as of 09:48, 4 November 2007

How to install Postgres 8

Important.png Note:
This howto are created with information extracted from forums. Proceed at your own risk. Work for me.


Enable centosplus repository and install postgres (at the time writen this howto is 8.1.9 version)

yum --enablerepo=centosplus install postgresql postgresql-contrib postgresql-devel postgresql-docs postgresql-pl postgresql-python postgresql-test


Warning.png Warning:
The above command install postgres and update postgres-libs, and install for dependency tcl and mx from base repository. If you see other packages, such as perl or php, abort the installation now!. This occur because maybe you have installed perl-CGI-Session or perl-DBD-Pg. These two packages are in your system because you have installed otrs or another aplication. In my case I have remove these two packages (because I not need otrs any more), and run again the installation.


Start postgres

/etc/init.d/postgresql start

Then make the necesary custom templates:

mkdir -p /etc/e-smith/templates/var/lib/pgsql/data
mkdir -p /etc/e-smith/templates-custom/var/lib/pgsql/data
cp /var/lib/pgsql/data/postgresql.conf /etc/e-smith/templates/var/lib/pgsql/data
cp /var/lib/pgsql/data/pg_hba.conf /etc/e-smith/templates/var/lib/pgsql/data
cp /var/lib/pgsql/data/postgresql.conf /etc/e-smith/templates-custom/var/lib/pgsql/data
cp /var/lib/pgsql/data/pg_hba.conf /etc/e-smith/templates-custom/var/lib/pgsql/data


Now login as postgres user:

su postgres

Then access to superuser database, set a password and exit.

psql -U postgres -d template1
alter user postgres with encrypted password 'xxxxx';
\q
exit

Edit the file /etc/e-smith/templates-custom/var/lib/pgsql/data/postgresql.conf and change the following settings:

superuser_reserved_connections=2
ssl = on
password_encryption = on
listen_addresses = 'localhost'

Then copy your server SSL keys:

cd /var/lib/pgsql/data
cp /etc/httpd/conf/ssl.crt/server.crt .
cp /etc/httpd/conf/ssl.key/server.key .
chown postgres:postgres server.*

Edit the file /etc/e-smith/templates-custom/var/lib/pgsql/data/pg_hba.conf and change the following settings: