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===============================
Glances - An eye on your system
===============================
.. image:: https://img.shields.io/pypi/v/glances.svg
:target: https://pypi.python.org/pypi/Glances
.. image:: https://img.shields.io/github/stars/nicolargo/glances.svg
:target: https://github.com/nicolargo/glances/
:alt: Github stars
.. image:: https://img.shields.io/travis/nicolargo/glances/master.svg?maxAge=3600&label=Linux%20/%20BSD%20/%20macOS
:target: https://travis-ci.org/nicolargo/glances
:alt: Linux tests (Travis)
.. image:: https://img.shields.io/appveyor/ci/nicolargo/glances/master.svg?maxAge=3600&label=Windows
:target: https://ci.appveyor.com/project/nicolargo/glances
:alt: Windows tests (Appveyor)
.. image:: https://img.shields.io/scrutinizer/g/nicolargo/glances.svg
:target: https://scrutinizer-ci.com/g/nicolargo/glances/
Follow Glances on Twitter: `@nicolargo`_ or `@glances_system`_
Summary
=======
**Glances** is a cross-platform monitoring tool which aims to present a
maximum of information in a minimum of space through a curses or Web
based interface. It can adapt dynamically the displayed information
depending on the user interface size.
.. image:: https://raw.githubusercontent.com/nicolargo/glances/develop/docs/_static/glances-summary.png
It can also work in client/server mode. Remote monitoring could be done
via terminal, Web interface or API (XML-RPC and RESTful). Stats can also
be exported to files or external time/value databases.
.. image:: https://raw.githubusercontent.com/nicolargo/glances/develop/docs/_static/glances-responsive-webdesign.png
Glances is written in Python and uses libraries to grab information from
your system. It is based on an open architecture where developers can
add new plugins or exports modules.
Requirements
============
- ``python 2.7,>=3.3``
- ``psutil>=2.0.0`` (better with latest version)
Optional dependencies:
- ``bernhard`` (for the Riemann export module)
- ``bottle`` (for Web server mode)
- ``cassandra-driver`` (for the Cassandra export module)
- ``couchdb`` (for the CouchDB export module)
- ``docker`` (for the Docker monitoring support) [Linux-only]
- ``elasticsearch`` (for the Elastic Search export module)
- ``hddtemp`` (for HDD temperature monitoring support) [Linux-only]
- ``influxdb`` (for the InfluxDB export module)
- ``kafka-python`` (for the Kafka export module)
- ``matplotlib`` (for graphical/chart support)
- ``netifaces`` (for the IP plugin)
- ``nvidia-ml-py`` (for the GPU plugin) [Python 2-only]
- ``pika`` (for the RabbitMQ/ActiveMQ export module)
- ``potsdb`` (for the OpenTSDB export module)
- ``prometheus_client`` (for the Prometheus export module)
- ``py-cpuinfo`` (for the Quicklook CPU info module)
- ``pymdstat`` (for RAID support) [Linux-only]
- ``pysnmp`` (for SNMP support)
- ``pystache`` (for the action script feature)
- ``pyzmq`` (for the ZeroMQ export module)
- ``requests`` (for the Ports and Cloud plugins)
- ``scandir`` (for the Folders plugin) [Only for Python < 3.5]
- ``statsd`` (for the StatsD export module)
- ``wifi`` (for the wifi plugin) [Linux-only]
- ``zeroconf`` (for the autodiscover mode)
*Note for Python 2.6 users*
Since version 2.7, Glances no longer support Python 2.6. Please upgrade
to at least Python 2.7/3.3+ or downgrade to Glances 2.6.2 (latest version
with Python 2.6 support).
*Note for CentOS Linux 6 and 7 users*
Python 2.7, 3.3 and 3.4 are now available via SCLs. See:
https://lists.centos.org/pipermail/centos-announce/2015-December/021555.html.
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. For Windows,
just install psutil from the binary installation file.
*Note 2 (for the Wifi plugin)*: If you want to use the Wifi plugin, you need
to install the *wireless-tools* package on your system.
You can also install the following libraries in order to use optional
features (like the Web interface, exports modules...):
.. code-block:: console
pip install glances[action,browser,cloud,cpuinfo,chart,docker,export,folders,gpu,ip,raid,snmp,web,wifi]
To upgrade Glances to the latest version:
.. code-block:: console
pip install --upgrade glances
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.
Run the container in *Web server mode* (notice the `GLANCES_OPT` environment
variable setting parameters for the glances startup command):
.. code-block:: console
docker run -d --restart="always" -p 61208-61209:61208-61209 -e GLANCES_OPT="-w" -v /var/run/docker.sock:/var/run/docker.sock:ro --pid host docker.io/nicolargo/glances
GNU/Linux
---------
`Glances` is available on many Linux distributions, so you should be
able to install it using your favorite package manager. Be aware that
Glances may not be the latest one using this method.
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
macOS
-----
macOS 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
Android
-------
You need a rooted device and the `Termux`_ application (available on the
Google Store).
Start Termux on your device and enter:
.. code-block:: console
$ apt update
$ apt upgrade
$ apt install clang python python-dev
$ pip install glances
And start Glances:
.. code-block:: console
$ 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.
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
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``, ``Cassandra``, ``CouchDB``,
``OpenTSDB``, ``Prometheus``, ``StatsD``, ``ElasticSearch``, ``RabbitMQ/ActiveMQ``,
``ZeroMQ``, ``Kafka`` 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
=======
LGPLv3. 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/
.. _Termux: https://play.google.com/store/apps/details?id=com.termux
.. _readthedocs: https://glances.readthedocs.io/
.. _forum: https://groups.google.com/forum/?hl=en#!forum/glances-users
.. _wiki: https://github.com/nicolargo/glances/wiki/How-to-contribute-to-Glances-%3F
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