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313 lines
8.8 KiB
ReStructuredText
313 lines
8.8 KiB
ReStructuredText
.. _installation-rhel:
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==============================================================
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RHEL / CentOS / Scientific Linux / Amazon Linux / Oracle Linux
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==============================================================
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.. _installation-rhel-repo:
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Salt should work properly with all mainstream derivatives of Red Hat Enterprise
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Linux, including CentOS, Scientific Linux, Oracle Linux, and Amazon Linux.
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Report any bugs or issues on the `issue tracker`__.
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.. __: https://github.com/saltstack/salt/issues
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Installation from the SaltStack Repository
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==========================================
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2015.8.0 and later packages for RHEL 5, 6, and 7 are available in the
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SaltStack repository.
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To install using the SaltStack repository:
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#. Run one of the following commands based on your version to import the SaltStack repository key:
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Version 7:
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.. code-block:: bash
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wget https://repo.saltstack.com/yum/rhel7/SALTSTACK-GPG-KEY.pub
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rpm --import SALTSTACK-GPG-KEY.pub
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rm -f SALTSTACK-GPG-KEY.pub
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Version 6:
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.. code-block:: bash
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wget https://repo.saltstack.com/yum/rhel6/SALTSTACK-GPG-KEY.pub
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rpm --import SALTSTACK-GPG-KEY.pub
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rm -f SALTSTACK-GPG-KEY.pub
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Version 5:
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.. code-block:: bash
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wget https://repo.saltstack.com/yum/rhel5/SALTSTACK-EL5-GPG-KEY.pub
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rpm --import SALTSTACK-EL5-GPG-KEY.pub
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rm -f SALTSTACK-EL5-GPG-KEY.pub
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#. Save the following file to ``/etc/yum.repos.d/saltstack.repo``:
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Version 7:
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.. code-block:: cfg
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####################
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# Enable SaltStack's package repository
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[saltstack-repo]
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name=SaltStack repo for RHEL/CentOS 7
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baseurl=https://repo.saltstack.com/yum/rhel7
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enabled=1
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gpgcheck=1
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gpgkey=https://repo.saltstack.com/yum/rhel7/SALTSTACK-GPG-KEY.pub
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Version 6:
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.. code-block:: cfg
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####################
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# Enable SaltStack's package repository
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[saltstack-repo]
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name=SaltStack repo for RHEL/CentOS 6
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baseurl=https://repo.saltstack.com/yum/rhel6
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enabled=1
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gpgcheck=1
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gpgkey=https://repo.saltstack.com/yum/rhel6/SALTSTACK-GPG-KEY.pub
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Version 5:
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.. code-block:: cfg
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####################
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# Enable SaltStack's package repository
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[saltstack-repo]
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name=SaltStack repo for RHEL/CentOS 5
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baseurl=https://repo.saltstack.com/yum/rhel5
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enabled=1
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gpgcheck=1
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gpgkey=https://repo.saltstack.com/yum/rhel5/SALTSTACK-EL5-GPG-KEY.pub
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#. Run ``sudo yum clean expire-cache``.
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#. Run ``sudo yum update``.
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#. Install the salt-minion, salt-master, or other Salt components:
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- ``yum install salt-master``
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- ``yum install salt-minion``
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- ``yum install salt-ssh``
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- ``yum install salt-syndic``
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- ``yum install salt-cloud``
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.. note::
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EPEL support is not required when installing using the SaltStack repository
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on Red Hat 6 and 7. EPEL must be enabled when installing on Red Hat 5.
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Post-installation tasks
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=======================
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**Master**
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To have the Master start automatically at boot time:
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.. code-block:: bash
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chkconfig salt-master on
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To start the Master:
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.. code-block:: bash
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service salt-master start
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**Minion**
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To have the Minion start automatically at boot time:
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.. code-block:: bash
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chkconfig salt-minion on
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To start the Minion:
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.. code-block:: bash
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service salt-minion start
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Now go to the :doc:`Configuring Salt</ref/configuration/index>` page.
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Installation from the Community Repository
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==========================================
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Beginning with version 0.9.4, Salt has been available in `EPEL`_. For
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RHEL/CentOS 5, `Fedora COPR`_ is recommended due to the removal of some
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dependencies from EPEL5.
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On RHEL/CentOS 6, the proper Jinja package 'python-jinja2' was moved from EPEL
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to the "RHEL Server Optional Channel". Verify this repository is enabled before
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installing salt on RHEL/CentOS 6.
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.. note::
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Packages in these repositories are community built, and it can
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take a little while until the latest SaltStack release is available
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in this repository.
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.. _`EPEL`: http://fedoraproject.org/wiki/EPEL
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.. _`Fedora COPR`: https://copr.fedoraproject.org/coprs/saltstack/salt-el5/
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RHEL/CentOS 6 and 7, Scientific Linux, etc.
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-------------------------------------------
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.. warning::
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Salt 2015.8 requires ``python-crypto`` 2.6.1 or higher, and ``python-tornado`` version
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4.2.1 or higher. These packages are not currently available in EPEL for
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Red Hat 5 and 6. You must install these dependencies from another location
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or use the SaltStack repository documented above.
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Enabling EPEL
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*************
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If the EPEL repository is not installed on your system, you can download the
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RPM for `RHEL/CentOS 6`_ or for `RHEL/CentOS 7`_ and install it
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using the following command:
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.. code-block:: bash
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rpm -Uvh epel-release-X-Y.rpm
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Replace ``epel-release-X-Y.rpm`` with the appropriate filename.
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.. _RHEL/CentOS 6: http://download.fedoraproject.org/pub/epel/6/i386/repoview/epel-release.html
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.. _RHEL/CentOS 7: http://download.fedoraproject.org/pub/epel/7/x86_64/repoview/epel-release.html
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Installing Stable Release
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*************************
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Salt is packaged separately for the minion and the master. It is necessary
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to install only the appropriate package for the role the machine will play.
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Typically, there will be one master and multiple minions.
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- ``yum install salt-master``
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- ``yum install salt-minion``
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- ``yum install salt-ssh``
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- ``yum install salt-syndic``
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- ``yum install salt-cloud``
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Installing from ``epel-testing``
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********************************
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When a new Salt release is packaged, it is first admitted into the
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``epel-testing`` repository, before being moved to the stable repo.
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To install from ``epel-testing``, use the ``enablerepo`` argument for yum:
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.. code-block:: bash
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yum --enablerepo=epel-testing install salt-minion
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Installation Using pip
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======================
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Since Salt is on `PyPI`_, it can be installed using pip, though most users
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prefer to install using RPMs (which can be installed from `EPEL`_).
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Installing from pip has a few additional requirements:
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* Install the group 'Development Tools', ``yum groupinstall 'Development Tools'``
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* Install the 'zeromq-devel' package if it fails on linking against that
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afterwards as well.
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A pip install does not make the init scripts or the /etc/salt directory, and you
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will need to provide your own systemd service unit.
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Installation from pip:
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.. _`PyPI`: https://pypi.python.org/pypi/salt
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.. code-block:: bash
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pip install salt
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.. warning::
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If installing from pip (or from source using ``setup.py install``), be
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advised that the ``yum-utils`` package is needed for Salt to manage
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packages. Also, if the Python dependencies are not already installed, then
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you will need additional libraries/tools installed to build some of them.
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More information on this can be found :ref:`here
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<installing-for-development>`.
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ZeroMQ 4
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========
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We recommend using ZeroMQ 4 where available. SaltStack provides ZeroMQ 4.0.4
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and pyzmq 14.3.1 in the :ref:`SaltStack Repository <installation-rhel-repo>`
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as well as a COPR_ repository.
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.. _COPR: http://copr.fedoraproject.org/coprs/saltstack/zeromq4/
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If this repo is added *before* Salt is installed, then installing either
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``salt-master`` or ``salt-minion`` will automatically pull in ZeroMQ 4.0.4, and
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additional states to upgrade ZeroMQ and pyzmq are unnecessary.
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.. warning:: RHEL/CentOS 5 Users
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Using COPR repos on RHEL/CentOS 5 requires that the ``python-hashlib``
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package be installed. Not having it present will result in checksum errors
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because YUM will not be able to process the SHA256 checksums used by COPR.
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.. note::
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For RHEL/CentOS 5 installations, if using the new repository to install
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Salt (as detailed :ref:`above <installation-rhel-5>`), then it is not
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necessary to enable the zeromq4 COPR, as the new EL5 repository includes
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ZeroMQ 4.
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Package Management
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==================
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Salt's interface to :mod:`yum <salt.modules.yumpkg>` makes heavy use of the
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**repoquery** utility, from the yum-utils_ package. This package will be
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installed as a dependency if salt is installed via EPEL. However, if salt has
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been installed using pip, or a host is being managed using salt-ssh, then as of
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version 2014.7.0 yum-utils_ will be installed automatically to satisfy this
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dependency.
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.. _yum-utils: http://yum.baseurl.org/wiki/YumUtils
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Post-installation tasks
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=======================
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**Master**
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To have the Master start automatically at boot time:
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.. code-block:: bash
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chkconfig salt-master on
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To start the Master:
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.. code-block:: bash
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service salt-master start
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**Minion**
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To have the Minion start automatically at boot time:
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.. code-block:: bash
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chkconfig salt-minion on
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To start the Minion:
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.. code-block:: bash
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service salt-minion start
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Now go to the :doc:`Configuring Salt</ref/configuration/index>` page.
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