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Alerta Release 9.0

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The Alerta monitoring tool was developed with the following aims in mind:

  • distributed and de-coupled so that it is SCALABLE
  • minimal CONFIGURATION that easily accepts alerts from any source
  • quick at-a-glance VISUALISATION with drill-down to detail



Release 9 only supports Python 3.8 or higher.

The only mandatory dependency is MongoDB or PostgreSQL. Everything else is optional.

  • Postgres version 11 or better
  • MongoDB version 4.4 or better


To install MongoDB on Debian/Ubuntu run:

$ sudo apt-get install -y mongodb-org
$ mongod

To install MongoDB on CentOS/RHEL run:

$ sudo yum install -y mongodb
$ mongod

To install the Alerta server and client run:

$ pip install alerta-server alerta
$ alertad run

To install the web console run:

$ wget
$ tar zxvf alerta-webui.tar.gz
$ cd dist
$ python3 -m http.server 8000

>> browse to http://localhost:8000


Alerta and MongoDB can also run using Docker containers, see alerta/docker-alerta.


To configure the alertad server override the default settings in /etc/alertad.conf or using ALERTA_SVR_CONF_FILE environment variable::

$ ALERTA_SVR_CONF_FILE=~/.alertad.conf


More information on configuration and other aspects of alerta can be found at


To run in development mode, listening on port 5000:

$ export FLASK_APP=alerta FLASK_DEBUG=1
$ pip install -e .
$ flask run

To run in development mode, listening on port 8080, using Postgres and reporting errors to Sentry:

$ export FLASK_APP=alerta FLASK_DEBUG=1
$ export DATABASE_URL=postgres://localhost:5432/alerta5
$ export SENTRY_DSN=
$ pip install -e .[postgres]
$ flask run --debugger --port 8080 --with-threads --reload


Enable debug log output by setting DEBUG=True in the API server configuration:


LOG_HANDLERS = ['console','file']
LOG_FORMAT = 'verbose'
LOG_FILE = '$HOME/alertad.log'

It can also be helpful to check the web browser developer console for JavaScript logging, network problems and API error responses.


To run the all the tests there must be a local Postgres and MongoDB database running. Then run:

$ TOXENV=ALL make test

To just run the Postgres or MongoDB tests run:

$ TOXENV=postgres make test
$ TOXENV=mongodb make test

To run a single test run something like:

$ TOXENV="mongodb -- tests/" make test
$ TOXENV="postgres -- tests/" make test

Cloud Deployment

Alerta can be deployed to the cloud easily using Heroku, AWS EC2, or Google Cloud Platform


Alerta monitoring system and console
Copyright 2012-2023 Nick Satterly

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
See the License for the specific language governing permissions and
limitations under the License.