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196 lines
4.9 KiB
ReStructuredText
196 lines
4.9 KiB
ReStructuredText
.. _quickstart:
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Quickstart
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==========
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This page gives a good introduction in how to get started with Glances.
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Glances offers 3 modes:
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- Standalone
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- Client/Server
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- Web server
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Standalone Mode
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---------------
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If you want to monitor your local machine, open a console/terminal
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and simply run:
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.. code-block:: console
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$ glances
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Glances should start (press 'q' or 'ESC' to exit):
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.. image:: _static/screenshot-wide.png
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It is also possible to display RAW JSON stats directly to stdout using:
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.. code-block:: console
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$ glances --stdout cpu.user,mem.used,load
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cpu.user: 30.7
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mem.used: 3278204928
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load: {'cpucore': 4, 'min1': 0.21, 'min5': 0.4, 'min15': 0.27}
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cpu.user: 3.4
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mem.used: 3275251712
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load: {'cpucore': 4, 'min1': 0.19, 'min5': 0.39, 'min15': 0.27}
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...
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or in a CSV format thanks to the stdout-csv option:
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.. code-block:: console
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$ glances --stdout-csv now,cpu.user,mem.used,load
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now,cpu.user,mem.used,load.cpucore,load.min1,load.min5,load.min15
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2018-12-08 22:04:20 CEST,7.3,5948149760,4,1.04,0.99,1.04
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2018-12-08 22:04:23 CEST,5.4,5949136896,4,1.04,0.99,1.04
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...
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Note: It will display one line per stat per refresh.
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Client/Server Mode
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------------------
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If you want to remotely monitor a machine, called ``server``, from
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another one, called ``client``, just run on the server:
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.. code-block:: console
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server$ glances -s
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and on the client:
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.. code-block:: console
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client$ glances -c @server
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where ``@server`` is the IP address or hostname of the server.
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In server mode, you can set the bind address with ``-B ADDRESS`` and
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the listening TCP port with ``-p PORT``.
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In client mode, you can set the TCP port of the server with ``-p PORT``.
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Default binding address is ``0.0.0.0`` (Glances will listen on all the
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available network interfaces) and TCP port is ``61209``.
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In client/server mode, limits are set by the server side.
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You can set a password to access to the server using the ``--password``.
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By default, the username is ``glances`` but you can change it with
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``--username``.
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If you want, the SHA password will be stored in ``username.pwd`` file.
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Next time your run the server/client, password will not be asked. To set a
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specific username you can used the -u <username> option.
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It is also possible to set the password in the
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Glances configuration file:
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.. code-block:: ini
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[passwords]
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# Define the passwords list
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# Syntax: host=password
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# Where: host is the hostname
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# password is the clear password
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# Additionally (and optionally) a default password could be defined
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localhost=mylocalhostpassword
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default=mydefaultpassword
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Central client
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^^^^^^^^^^^^^^
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.. image:: _static/browser.png
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Glances can centralize available Glances servers using the ``--browser``
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option. The server list can be statically defined via the configuration
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file (section ``[serverlist]``).
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Example:
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.. code-block:: ini
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[serverlist]
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# Define the static servers list
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server_1_name=xps
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server_1_alias=xps
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server_1_port=61209
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server_2_name=win
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server_2_port=61235
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Glances can also detect and display all Glances servers available on
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your network via the ``zeroconf`` protocol (not available on Windows):
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To start the central client, use the following option:
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.. code-block:: console
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client$ glances --browser
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.. note::
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Use ``--disable-autodiscover`` to disable the auto discovery mode.
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When the list is displayed, you can navigate through the Glances servers with
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up/down keys. It is also possible to sort the server using:
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- '1' is normal (do not sort)
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- '2' is using sorting with ascending order (ONLINE > SNMP > PROTECTED > OFFLINE > UNKNOWN)
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- '3' is using sorting with descending order (UNKNOW > OFFLINE > PROTECTED > SNMP > ONLINE)
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SNMP
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^^^^
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As an experimental feature, if Glances server is not detected by the
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client, the latter will try to grab stats using the ``SNMP`` protocol:
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.. code-block:: console
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client$ glances -c @snmpserver
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.. note::
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Stats grabbed by SNMP request are limited and OS dependent.
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A SNMP server should be installed and configured...
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IPv6
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^^^^
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Glances is ``IPv6`` compatible. Just use the ``-B ::`` option to bind to
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all IPv6 addresses.
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Web Server Mode
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---------------
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.. image:: _static/screenshot-web.png
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If you want to remotely monitor a machine, called ``server``, from any
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device with a web browser, just run the server with the ``-w`` option:
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.. code-block:: console
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server$ glances -w
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then on the client enter the following URL in your favorite web browser:
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::
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http://@server:61208
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where ``@server`` is the IP address or hostname of the server.
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To change the refresh rate of the page, just add the period in seconds
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at the end of the URL. For example, to refresh the page every ``10``
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seconds:
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::
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http://@server:61208/10
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The Glances web interface follows responsive web design principles.
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Here's a screenshot from Chrome on Android:
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.. image:: _static/screenshot-web2.png
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