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Install Tendermint
==================
From Binary
-----------
To download pre-built binaries, see the `Download page <https://tendermint.com/download>`__.
From Source
-----------
You'll need ``go``, maybe ``glide``, and the tendermint source code.
Install Go
^^^^^^^^^^
Make sure you have `installed Go <https://golang.org/doc/install>`__ and
set the ``GOPATH``. You should also put ``GOPATH/bin`` on your ``PATH``.
Get Source Code
^^^^^^^^^^^^^^^
You should be able to install the latest with a simple
::
go get github.com/tendermint/tendermint/cmd/tendermint
Run ``tendermint --help`` and ``tendermint version`` to ensure your
installation worked.
If the installation failed, a dependency may have been updated and become
incompatible with the latest Tendermint master branch. We solve this
using the ``glide`` tool for dependency management.
First, install ``glide``:
::
go get github.com/Masterminds/glide
Now we can fetch the correct versions of each dependency by running:
::
cd $GOPATH/src/github.com/tendermint/tendermint
glide install
go install ./cmd/tendermint
Note that even though ``go get`` originally failed, the repository was
still cloned to the correct location in the ``$GOPATH``.
The latest Tendermint Core version is now installed.
Reinstall
---------
If you already have Tendermint installed, and you make updates, simply
::
cd $GOPATH/src/github.com/tendermint/tendermint
go install ./cmd/tendermint
To upgrade, there are a few options:
- set a new ``$GOPATH`` and run
``go get github.com/tendermint/tendermint/cmd/tendermint``. This
makes a fresh copy of everything for the new version.
- run ``go get -u github.com/tendermint/tendermint/cmd/tendermint``,
where the ``-u`` fetches the latest updates for the repository and
its dependencies
- fetch and checkout the latest master branch in
``$GOPATH/src/github.com/tendermint/tendermint``, and then run
``glide install && go install ./cmd/tendermint`` as above.
Note the first two options should usually work, but may fail. If they
do, use ``glide``, as above:
::
cd $GOPATH/src/github.com/tendermint/tendermint
glide install
go install ./cmd/tendermint
Since the third option just uses ``glide`` right away, it should always
work.
Troubleshooting
---------------
If ``go get`` failing bothers you, fetch the code using ``git``:
::
mkdir -p $GOPATH/src/github.com/tendermint
git clone https://github.com/tendermint/tendermint $GOPATH/src/github.com/tendermint/tendermint
cd $GOPATH/src/github.com/tendermint/tendermint
glide install
go install ./cmd/tendermint
Run
^^^
To start a one-node blockchain with a simple in-process application:
::
tendermint init
tendermint node --proxy_app=dummy