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.. _contents:
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What is Salt Stack?
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===================
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Salt is a new approach to infrastructure management. Easy enough to get
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running in minutes, scalable enough to manage tens of thousands of servers,
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and fast enough to communicate with them in *seconds*.
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Salt delivers a dynamic communication bus for infrastructures that can be used
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for orchestration, remote execution, configuration management and much more.
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Download
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========
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Salt source releases are available for download via pypi:
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https://pypi.python.org/pypi/salt
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The installation documents outline where to obtain packages and installation
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specifics for platforms:
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:doc:`Installation </topics/installation/index>`
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The Salt Bootstrap project is a single shell script which aims to automate
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the install correctly on platforms:
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https://github.com/saltstack/salt-bootstrap
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Getting Started
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===============
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This walkthrough is made to help individuals get started quickly and gain a
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foundational knowledge of Salt:
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:doc:`Official Salt Walkthrough</topics/tutorials/walkthrough>`
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Additional tutorials are available when getting started with Salt
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States - Configuration Management with Salt:
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- :doc:`Getting Started with States<topics/tutorials/starting_states>`
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- :doc:`Basic config management <topics/tutorials/states_pt1>`
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- :doc:`Less basic config management <topics/tutorials/states_pt2>`
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- :doc:`Advanced techniques <topics/tutorials/states_pt3>`
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Masterless Quickstart:
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:doc:`Salt Quickstart </topics/tutorials/quickstart>`
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A list of all tutorials can be found here:
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:doc:`All Salt tutorials <topics/tutorials/index>`
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Salt in depth
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=============
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Setting up and using Salt is a simple task but its capabilities run much, much
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deeper. These documents will lead to a greater understating of how Salt will
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empower infrastructure management.
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Remote execution
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----------------
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Remote execution is the core function of Salt. Running pre-defined or
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arbitrary commands on remote hosts.
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**Modules**
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Salt modules are the core of remote execution. They provide
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functionality such as installing packages, restarting a service,
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running a remote command, transferring files, and infinitely more.
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:doc:`Full list of modules </ref/modules/all/index>`
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The giant list of core modules that ship with Salt
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:doc:`Writing modules <ref/modules/index>`
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A guide on how to write Salt modules.
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**Returners**
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Salt returners allow saving minion responses in various datastores or
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to various locations in addition to display at the CLI.
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:doc:`Full list of returners </ref/returners/all/index>`
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Store minion responses in Redis, Mongo, Cassandra, SQL or more.
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:doc:`Writing returners <ref/returners/index>`
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Extending Salt to communicate with more interfaces is easy, new
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databases can be supported or custom interfaces can be easily
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communicated with.
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:doc:`Targeting </topics/targeting/index>`
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------------------------------------------
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Targeting is specifying which minions should execute commands or manage server
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configuration.
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:doc:`Globbing and regex </topics/targeting/globbing>`
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Match minions using globbing and regular expressions.
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:doc:`Grains </topics/targeting/grains>`
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Match minions using bits of static information about the minion such as
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OS, software versions, virtualization, CPU, memory, and much more.
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:doc:`Node groups </topics/targeting/nodegroups>`
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Statically define groups of minions.
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:doc:`Compound matchers </topics/targeting/compound>`
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Combine the above matchers as a single target.
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:doc:`Batching execution </topics/targeting/batch>`
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Loop through all matching minions so that only a subset are executing a
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command at one time.
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Configuration management
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------------------------
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Building on the remote execution core is a robust and flexible configuration
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management framework. Execution happens on the minions allowing effortless,
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simultaneous configuration of tens of thousands of hosts.
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**States**
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Express the state of a host using small, easy to read, easy to
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understand configuration files. *No programming required*.
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:doc:`Full list of states <ref/states/all/index>`
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Install packages, create users, transfer files, start services, and
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much more.
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:doc:`States Overview<ref/states/index>`
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An overview of States and some of the core components.
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:doc:`Highstate data structure <ref/states/highstate>`
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A dry vocabulary and technical representation of the configuration
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format that states represent.
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:doc:`Writing states <ref/states/writing>`
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A guide on how to write Salt state modules. Extending Salt to directly
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manage in more software is easy.
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**Renderers**
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Write state configuration files in the language, templating engine, or
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file type of choice. Salt's configuration management system is, under the
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hood, language agnostic.
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:doc:`Full list of renderers <ref/renderers/all/index>`
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YAML is not the only choice, many systems are available, from
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alternative templating engines to the PyDSL language for rendering
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sls formulas.
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:doc:`Renderers <ref/renderers/index>`
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Salt states are only concerned with the ultimate highstate data
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structure. How that data structure is created is not important.
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Miscellaneous topics
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--------------------
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Salt is many splendid things.
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:doc:`File Server <ref/file_server/index>`
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Salt can easily and quickly transfer files (in fact, that's how Salt
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States work). Even under heavy load, files are chunked and served.
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:doc:`Syndic <ref/syndic>`
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A seamless master of masters. Scale Salt to tens of thousands of hosts or
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across many different networks.
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:doc:`Peer Communication <ref/peer>`
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Allow minions to communicate amongst themselves. For example, configure
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one minion by querying live data from all the others. With great power
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comes great responsibility.
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:doc:`Reactor System <topics/reactor/index>`
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The reactor system allows for Salt to create a self aware environment
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by hooking infrastructure events into actions.
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:doc:`Firewall Settings and Salt <topics/tutorials/firewall>`
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A tutorial covering how to properly firewall a Salt Master server.
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:doc:`Scheduling Executions (like states)<topics/jobs/schedule>`
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The schedule system in Salt allows for executions to be run of all sorts
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from the master or minion at automatic intervals.
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:doc:`Network topology <ref/topology>`
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At it's core, Salt is a highly scalable communication layer built on
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top of ZeroMQ that enables remote execution and configuration
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management. The possibilities are endless and Salt's future looks
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bright.
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:doc:`Testing Salt <topics/tests/index>`
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A howto for writing unit tests and integration tests.
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:doc:`Python API interface <ref/python-api>`
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Use Salt programmatically from scripts and programs easily and
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simply via ``import salt``.
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:doc:`Automatic Updates and Frozen Binary Deployments <topics/tutorials/esky>`
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Use a frozen install to make deployments easier (Even on Windows!). Or
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take advantage of automatic updates to keep minions running the latest
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builds.
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:doc:`Windows Software Manager / Package Repository <ref/windows-package-manager>`
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Looking for an easy way to manage software on Windows machines?
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Search no more! Salt has an integrated software package manager for
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Windows machines! Install software hosted on the master, somewhere on the
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network, or any http, https, or ftp server.
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Reference
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---------
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:doc:`Command-line interface <ref/cli/index>`
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Read the Salt manpages.
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:doc:`Full list of master settings <ref/configuration/master>`
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Read through the heavily-commented master configuration file.
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:doc:`Full list of minion settings <ref/configuration/minion>`
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Read through the heavily-commented minion configuration file.
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:doc:`Full table of contents </contents>`
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Dense but complete.
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More information about the project
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----------------------------------
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:doc:`Release notes </topics/releases/index>`
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Living history of Salt Stack.
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:doc:`Community </topics/community>`
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How to can get involved.
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:doc:`Salt Development </topics/development/index>`
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Information for Hacking on Salt
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.. _`salt-contrib`: https://github.com/saltstack/salt-contrib
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.. _`salt-states`: https://github.com/saltstack/salt-states
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