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Installing the OpenQuake Engine on RedHat Linux and clones

Supported releases: RHEL / CentOS / SL 7 via EPEL.

Dependencies

RHEL/CentOS 7 only

Before installing the OpenQuake Engine you need to add EPEL and the OpenQuake Packages COPR YUM repo:

Add EPEL and GEM repositories

$ sudo yum install https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
$ curl -sL https://copr.fedoraproject.org/coprs/gem/openquake/repo/epel-7/gem-openquake-epel-7.repo | sudo tee /etc/yum.repos.d/gem-openquake-epel-7.repo

This provides some dependencies which are missing in EPEL.

Install the OpenQuake Engine dependencies

$ sudo yum install sudo git gcc python-amqp python-celery numpy python-paramiko scipy python-shapely python-psycopg2 python-django python-setuptools python-psutil python-mock python-futures python-docutils rabbitmq-server postgresql-server h5py

PostgreSQL initialization

$ sudo postgresql-setup initdb

Open /var/lib/pgsql/data/pg_hba.conf file and add on top of the file these lines

## localhost in IPv4
host   openquake2   oq_admin        127.0.0.1/32     md5
host   openquake2   oq_job_init     127.0.0.1/32     md5
## localhost in IPv6
host   openquake2   oq_admin        ::1/128       md5
host   openquake2   oq_job_init     ::1/128       md5

Then restart PostgreSQL

$ sudo service postgresql restart

Get the OpenQuake Engine code

$ git clone https://github.com/gem/oq-engine.git
$ git clone https://github.com/gem/oq-hazardlib.git
$ git clone https://github.com/gem/oq-risklib.git

Hazardlib speedups

To build the Hazardlib speedups see: https://github.com/gem/oq-hazardlib/wiki/Installing-C-extensions-from-git-repository

Set the PYTHONPATH and system PATH

You'll need to add to your PYTHONPATH environment variable the path to each source repo clone. In this example, we've cloned the repos (see above) to /home/yourname/. You can set your PYTHONPATH and PATH like so:

export PYTHONPATH=$HOME/oq-engine:$HOME/oq-hazardlib:$HOME/oq-risklib
export PATH=$HOME/oq-engine/bin:$PATH

Configure the Engine and bootstrap the DB

$ sudo -u postgres oq-engine/bin/oq_create_db
$ oq-engine/bin/oq-engine --upgrade-db