I am pleased to announce the immediate availability of versions 9.2 and
9.4 of the PostgreSQL server on CentOS Linux 6 and 7 x86_64, delivered
via a Software Collection (SCL) built by the SCLo Special Interest Group
(https://wiki.centos.org/SpecialInterestGroup/SCLo).
QuickStart
----------
You can get started in three easy steps (example of PostgreSQL 9.4):
$ sudo yum install centos-release-scl
$ sudo yum install rh-postgresql94
$ scl enable rh-postgresql94 bash
At this point you should be able to use PostgreSQL just as a normal
application. An examples of commands run might be:
$ postgresql-setup --initdb
$ service rh-postgresql94-postgresql start
$ psql
Since su and sudo commands clear environment variables, we need to run
scl enable once again for example after switching to postgres user role:
$ su - postgres -c 'scl enable rh-postgresql94 -- psql'
In order to view the individual components included in this collection,
including additional subpackages, you can run:
$ sudo yum list rh-postgresql94\*
About Software Collections
--------------------------
Software Collections give you the power to build, install, and use
multiple versions of software on the same system, without affecting
system-wide installed packages. Each collection is delivered as a group
of RPMs, with the grouping being done using the name of the collection
as a prefix of all packages that are part of the software collection.
The collection rh-postgresql94 delivers version 9.4 of the PostgreSQL
server and related client tools. The collection postgresql92 delivers
version 9.2 of the PostgreSQL server and related client tools. The
collections also include client library libpq.so, which is however only
meant to be used by the server, while other client applications are
advised to use the client library available in postgresql-libs package
from base system.
For more on the PostgreSQL, see http://www.postgresql.org.
The SCLo SIG in CentOS
----------------------
The Software Collections SIG group is an open community group
co-ordinating the development of the SCL technology, and helping curate
a reference set of collections. In addition to the PostgreSQL
collections being released here, we also build and deliver other
databases, web servers, and language stacks including multiple versions
of MySQL, MariaDB, Apache HTTP Server, NodeJS, Ruby, Python and others.
Software Collections SIG release was announced at
https://lists.centos.org/pipermail/centos-announce/2015-October/021446.html
You can learn more about Software Collections concepts at:
http://softwarecollections.org
You can find information on the SIG at
https://wiki.centos.org/SpecialInterestGroup/SCLo ; this includes howto
get involved and help with the effort.
We meet every second Wednesday at 16:00 UTC in #centos-devel (ref:
https://www.centos.org/community/calendar), for an informal open forum
open to anyone who might have comments, concerns or wants to get started
with SCL's in CentOS.
Enjoy!
Honza
SCLo SIG member
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