===============================
Glances - An eye on your system
===============================


.. image:: https://img.shields.io/pypi/v/glances.svg
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Follow Glances on Twitter: `@nicolargo`_ or `@glances_system`_

**Glances** is a cross-platform curses-based system monitoring tool
written in Python.

.. image:: https://raw.githubusercontent.com/nicolargo/glances/master/docs/_static/screenshot-wide.png

Requirements
============

- ``python >= 2.7`` or ``>= 3.3`` (tested with version 2.7, 3.3, 3.4, 3.5)
- ``psutil >= 2.0.0``
- ``setuptools``

Optional dependencies:

- ``bottle`` (for Web server mode)
- ``py3sensors`` (for hardware monitoring support) [Linux-only]
- ``hddtemp`` (for HDD temperature monitoring support) [Linux-only]
- ``batinfo`` (for battery monitoring support) [Linux-only]
- ``pymdstat`` (for RAID support) [Linux-only]
- ``pysnmp`` (for SNMP support)
- ``zeroconf`` (for the autodiscover mode)
- ``netifaces`` (for the IP plugin)
- ``influxdb`` (for the InfluxDB export module)
- ``statsd`` (for the StatsD export module)
- ``pystache`` (for the action script feature)
- ``docker-py`` (for the Docker monitoring support) [Linux-only]
- ``matplotlib`` (for graphical/chart support)
- ``pika`` (for the RabbitMQ/ActiveMQ export module)
- ``bernhard`` (for the Riemann export module)
- ``py-cpuinfo`` (for the Quicklook CPU info module)
- ``scandir`` (for the Folders plugin) [Only for Python < 3.5]

Note for Python 2.6 users:

Glances 2.7 (or higher) no longer support Python 2.6. Please upgrade to
Python 2.7/3.3+ or downgrade Glances to 2.6.2 (latest version with Python
2.6 support).

Installation
============

Several method to test/install Glances on your system. Choose your weapon !

Glances Auto Install script: the total way
------------------------------------------

To install both dependencies and latest Glances production ready version
(aka *master* branch), just enter the following command line:

.. code-block:: console

    curl -L https://bit.ly/glances | /bin/bash

or

.. code-block:: console

    wget -O- https://bit.ly/glances | /bin/bash

*Note*: Only supported on some GNU/Linux distributions. If you want to
support other distributions, please contribute to `glancesautoinstall`_.

PyPI: The simple way
--------------------

Glances is on ``PyPI``. By using PyPI, you are sure to have the latest
stable version.

To install, simply use ``pip``:

.. code-block:: console

    pip install glances

*Note*: Python headers are required to install `psutil`_. For example,
on Debian/Ubuntu you need to install first the *python-dev* package.
For Fedora/CentOS/RHEL install first *python-devel* package.

You can also install the following libraries in order to use optional
features (like the Web interface):

.. code-block:: console

    pip install bottle batinfo https://bitbucket.org/gleb_zhulik/py3sensors/get/tip.tar.gz zeroconf netifaces pymdstat influxdb potsdb statsd pystache docker-py pysnmp pika py-cpuinfo scandir

Install or upgrade Glances from the Git ``develop`` repository:

.. code-block:: console

    git clone -b develop https://github.com/nicolargo/glances.git


To upgrade Glances to the latest version:

.. code-block:: console

    pip install --upgrade glances

If you need to install Glances in a specific user location, use:

.. code-block:: console

    export PYTHONUSERBASE=~/mylocalpath
    pip install --user glances

Docker: the funny way
---------------------

A Glances container is available. It will include the latest development HEAD version. You can use it to monitor your server and all your others containers !

Get the Glances container:

.. code-block:: console

    docker pull nicolargo/glances

Run the container in console mode:

.. code-block:: console

    docker run -v /var/run/docker.sock:/var/run/docker.sock:ro --pid host -it docker.io/nicolargo/glances

Additionally, If you want to use your own glances.conf file, you can create your
own Dockerfile:

.. code-block:: console

    FROM nicolargo/glances
    COPY glances.conf /glances/conf/glances.conf
    CMD python -m glances -C /glances/conf/glances.conf $GLANCES_OPT

Alternatively, you can specify something along the same lines with docker run options:

.. code-block:: console

    docker run -v ./glances.conf:/glances/conf/glances.conf -v /var/run/docker.sock:/var/run/docker.sock:ro --pid host -it docker.io/nicolargo/glances

Where ./glances.conf is a local directory containing your glances.conf file.

GNU/Linux
---------

At the moment, packages exist for the following GNU/Linux distributions:

- Arch Linux
- Debian
- Fedora/CentOS/RHEL
- Gentoo
- Slackware (SlackBuild)
- Ubuntu
- Void Linux

So you should be able to install it using your favorite package manager.

FreeBSD
-------

To install the binary package:

.. code-block:: console

    # pkg install py27-glances

To install Glances from ports:

.. code-block:: console

    # cd /usr/ports/sysutils/py-glances/
    # make install clean

OS X
----

OS X users can install Glances using ``Homebrew`` or ``MacPorts``.

Homebrew
````````

.. code-block:: console

    $ brew install python
    $ pip install glances

MacPorts
````````

.. code-block:: console

    $ sudo port install glances

Windows
-------

Install `Python`_ for Windows (Python 2.7.9+ and 3.4+ ship with pip) and
then just:

.. code-block:: console

    $ pip install glances

Source
------

To install Glances from source:

.. code-block:: console

    $ wget https://github.com/nicolargo/glances/archive/vX.Y.tar.gz -O - | tar xz
    $ cd glances-*
    # python setup.py install

*Note*: Python headers are required to install psutil. For example,
on Debian/Ubuntu you need to install first the *python-dev* package.

Chef
----

An awesome ``Chef`` cookbook is available to monitor your infrastructure: https://supermarket.chef.io/cookbooks/glances (thanks to Antoine Rouyer)

Puppet
------

You can install Glances using ``Puppet``: https://github.com/rverchere/puppet-glances

Known issue on RHEL/CentOS/Fedora installation
==============================================

For Python 2.6 RedHat-based distros there might be an issue with starting Glances:

    Traceback (most recent call last):
    File "/usr/bin/glances", line 5, in <module>
    from pkg_resources import load_entry_point
    File "/usr/lib/python2.6/site-packages/pkg_resources.py", line 2655, in <module>
    workingset.require(_requires)
    File "/usr/lib/python2.6/site-packages/pkg_resources.py", line 648, in require
    needed = self.resolve(parse_requirements(requirements))
    File "/usr/lib/python2.6/site-packages/pkg_resources.py", line 546, in resolve
    raise DistributionNotFound(req)
    pkg_resources.DistributionNotFound: argparse

Try upgrading setuptools, has been proven to solve the problem:

    sudo pip install -U setuptools

Usage
=====

For the standalone mode, just run:

.. code-block:: console

    $ glances

For the Web server mode, run:

.. code-block:: console

    $ glances -w

and enter the URL ``http://<ip>:61208`` in your favorite web browser.

For the client/server mode, run:

.. code-block:: console

    $ glances -s

on the server side and run:

.. code-block:: console

    $ glances -c <ip>

on the client one.

You can also detect and display all Glances servers available on your
network or defined in the configuration file:

.. code-block:: console

    $ glances --browser

and RTFM, always.

Documentation
=============

For complete documentation have a look at the readthedocs_ website.

If you have any question (after RTFM!), please post it on the official Q&A `forum`_.

Gateway to other services
=========================

Glances can export stats to: ``CSV`` file, ``InfluxDB``, ``OpenTSDB``,
``StatsD``, ``ElasticSearch``, ``RabbitMQ`` and  ``Riemann`` server.

How to contribute ?
===================

If you want to contribute to the Glances project, read this `wiki`_ page.

There is also a chat dedicated to the Glances developers:

.. image:: https://badges.gitter.im/Join%20Chat.svg
        :target: https://gitter.im/nicolargo/glances?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge

Author
======

Nicolas Hennion (@nicolargo) <nicolas@nicolargo.com>

License
=======

LGPL. See ``COPYING`` for more details.

.. _psutil: https://github.com/giampaolo/psutil
.. _glancesautoinstall: https://github.com/nicolargo/glancesautoinstall
.. _@nicolargo: https://twitter.com/nicolargo
.. _@glances_system: https://twitter.com/glances_system
.. _Python: https://www.python.org/getit/
.. _readthedocs: https://glances.readthedocs.org/
.. _forum: https://groups.google.com/forum/?hl=en#!forum/glances-users
.. _wiki: https://github.com/nicolargo/glances/wiki/How-to-contribute-to-Glances-%3F