wget -c http://golangtc.com/static/go/1.7.4/go1.7.4.linux-amd64.tar.gz
tar zxvf go1.7.4.linux-amd64.tar.gz
vi .bashrc
export GOROOT=/root/go
export PATH=$GOROOT/bin:$PATH
export GOPATH=/root/go/src
yum install -y mercurial
yum install -y git