Golang Installation / Ubuntu 18.04 Environment

1. Installation Environment

The installation environment is as follows:

$ wget https://dl.google.com/go/go1.12.2.linux-amd64.tar.gz
$ tar -xvf go1.12.2.linux-amd64.tar.gz
$ mv go /usr/local

Install golang. Install in /usr/local/go directory.

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...
export GOROOT=/usr/local/go
export GOPATH=$HOME/go
export GOBIN=$GOPATH/bin
export PATH=$GOROOT/bin:$GOBIN:$PATH
...

[File 1] ~/.bashrc

Configure environment variables for golang in ~/.bashrc file and make golang available from any directory.

GOROOT : Directory containing golang commands, packages, libraries, etc.
GOPATH : Home directory of the golang program currently being developed.
GOBIN : Directory where compiled golang binaries are copied when using go install command.