Install Tendermint

The fastest and easiest way to install the tendermint binary is to run this script on a fresh Ubuntu instance, or this script on a fresh FreeBSD instance. Read the comments / instructions carefully (i.e., reset your terminal after running the script, make sure you are okay with the network connections being made).

From Binary

To download pre-built binaries, see the releases page.

From Source

You'll need go installed and the required environment variables set

Get Source Code

mkdir -p $GOPATH/src/github.com/tendermint
cd $GOPATH/src/github.com/tendermint
git clone https://github.com/tendermint/tendermint.git
cd tendermint

Get Tools & Dependencies

make get_tools
make get_vendor_deps

Compile

make install

to put the binary in $GOPATH/bin or use:

make build

to put the binary in ./build.

The latest tendermint version is now installed.

Run

To start a one-node blockchain with a simple in-process application:

tendermint init
tendermint node --proxy_app=kvstore

Reinstall

If you already have Tendermint installed, and you make updates, simply

cd $GOPATH/src/github.com/tendermint/tendermint
make install

To upgrade, run

cd $GOPATH/src/github.com/tendermint/tendermint
git pull origin master
make get_vendor_deps
make install

Compile with CLevelDB support

Make sure you have a roughly compatible version of libstdc++ (tested with 5.3.1). For example, on Ubuntu:

sudo apt-get update
sudo apt-get install gcc
sudo apt-cache show libstdc++6
Version: 5.3.1-14ubuntu2

Check out leveldb dependency using git (for some reason dep does not check out submodules):

cd vendor/github.com/DataDog && rm -rf leveldb
git clone https://github.com/DataDog/leveldb.git

Set database backend to cleveldb:

# config/config.toml
db_backend = "cleveldb"

To build Tendermint, run

CGO_ENABLED=1 CGO_CXXFLAGS_ALLOW="(-fno-builtin-memcmp|-lpthread)" CGO_CFLAGS_ALLOW="-fno-builtin-memcmp" go build -ldflags "-X github.com/tendermint/tendermint/version.GitCommit=`git rev-parse --short=8 HEAD`" -tags "tendermint gcc" -o build/tendermint ./cmd/tendermint/

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