0. upgrade GO
$ sudo rm -rf /usr/local/go
$ sudo tar -C /usr/local -xzf /home/nikhita/Downloads/go1.8.1.linux-amd64.tar.gz
$ echo $PATH | grep "/usr/local/go/bin"
1. stop LND from running
$ lncli stop
2. cd $GOPATH/src/github.com/lightningnetwork/lnd
$ cd $GOPATH/src/github.com/lightningnetwork/lnd
$ git fetch
$ git checkout v0.8.0-beta
$ make && make install
3. run LND
$ lnd --configfile=/home/w4cky/.lnd/lnd.conf
$ sudo rm -rf /usr/local/go
$ sudo tar -C /usr/local -xzf /home/nikhita/Downloads/go1.8.1.linux-amd64.tar.gz
$ echo $PATH | grep "/usr/local/go/bin"
$ lncli stop
$ cd $GOPATH/src/github.com/lightningnetwork/lnd
$ git fetch
$ git checkout v0.8.0-beta
$ make && make install$ lnd --configfile=/home/w4cky/.lnd/lnd.conf