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Postgresql (view source)

Revision as of 18:11, 6 January 2015

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{{Note box|For SME Server 9.x, 64-bit, we advise you to use [[Software_Collections:PostgreSQL]]}}
    
== How to install Postgres 8 ==
 
== How to install Postgres 8 ==
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This howto are created with information extracted from forums. Proceed at your own risk. Work for me.
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{{Note box|This howto is created with information extracted from forums. Proceed at your own risk.}}
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Enable centosplus repository and install postgres (at the time writen this howto is 8.1.9 version)
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{{Warning box|The command below will install '''postgres''' and update '''postgres-libs'''. For dependency resolution it will also install '''tcl''' and '''mx''' from the '''base''' repository.
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If you see other packages, such as '''perl''' or '''php''', '''abort the installation'''. This might occur because you have installed '''perl-CGI-Session''' or '''perl-DBD-Pg'''. These two packages might be on your system because you have installed '''otrs''' or another aplication. You can check if they are still needed:
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rpm -q --whatrequires perl-CGI-Session perl-DBD-Pg
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If that answers no packages need ... you can safely remove these packages
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yum remove perl-CGI-Session perl-DBD-Pg}}
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Enable centosplus repository and install postgres (at the time of writing this is version 8.1.9)
    
  yum --enablerepo=centosplus install postgresql postgresql-contrib postgresql-devel postgresql-docs postgresql-pl postgresql-python postgresql-test
 
  yum --enablerepo=centosplus install postgresql postgresql-contrib postgresql-devel postgresql-docs postgresql-pl postgresql-python postgresql-test
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After install, ignore the post-upgrade and restart message
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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 ocur because maybe you have installed perl-CGI-Session or perl-DBD-Pg. These two packages are in your system because you have installed otrs oe other aplication. In my case I have remove these two packages (because I not need otrs), and run again the installation.
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===Start postgres===
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The make the necesary custom templates:
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/etc/init.d/postgresql start
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Then make the necessary custom templates:
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/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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  cp /var/lib/pgsql/data/postgresql.conf /etc/e-smith/templates-custom/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
 
  cp /var/lib/pgsql/data/pg_hba.conf /etc/e-smith/templates-custom/var/lib/pgsql/data
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Now login as postgres user:
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su postgres
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Then access to superuser database, set a password and exit.
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psql -U postgres -d template1
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alter user postgres with encrypted password 'add_your_pass_here';
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\q
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exit
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Edit the file '''/etc/e-smith/templates-custom/var/lib/pgsql/data/postgresql.conf''' remove # 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
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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:
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local    all  all                    md5
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host    all  all    127.0.0.1/32    md5
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host    all  all    ::1/128        md5
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and add at the end:
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host    all    all    0.0.0.0 255.255.255.255  reject
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'''Be sure to add an extra white line at the end.That why you got an extra line on above box!'''
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Expand template:
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expand-template /var/lib/pgsql/data/pg_hba.conf
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expand-template /var/lib/pgsql/data/postgresql.conf
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Restart with new settings:
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/etc/init.d/postgresql stop
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/etc/init.d/postgresql start
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and add the symlinks to start automatically:
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ln -s /etc/init.d/postgresql /etc/rc.d/rc7.d/S56postgresql
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ln -s /etc/init.d/postgresql /etc/rc.d/rc6.d/K03postgresql
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To ensure everything is all right:
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signal-event post-upgrade
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signal-event reboot
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===Testing your environment===
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To test if you have set postgres password correctly:
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su postgres
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psql -U postgres -d template1
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and enter the password you have set above. If all is correct, you should enter the postgres console. Then exit:
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\q
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and exit from postgres user:
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exit
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References: <ol></li><li>[http://forums.contribs.org/index.php?topic=38250.msg173298#msg173298 RE: How do I install postgreSQL 8+] by hedererjs</li><li>
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[http://www.issociate.de/board/post/272215/Fwd:_resetting_superuser_password.html Resetting the postgres superuser password]</li></ol>
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==How to Remove==
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rpm -e postgresql.i386 postgresql-contrib postgresql-devel postgresql-docs postgresql-pl postgresql-test  postgresql-server postgresqlclient7  postgresql-python
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----
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[[Category:Howto]]
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[[Category:Administration]]
Retrieved from "https://wiki.koozali.org/Special:MobileDiff/5845...26936"

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