Go言語をインストールする方法

$ brew install go

$ go version
go version go1.13.8 darwin/amd64

$ echo "export GOPATH=$(go env GOPATH)" >> ~/.bash_profile
$ echo "export PATH=$PATH:$(go env GOPATH)/bin" >> ~/.bash_profile
$ source ~/.bash_profile

# apt-get update
# apt-get install gcc make
# apt-get install golang-1.10

# /usr/lib/go-1.10/bin/go version
go version go1.10.4 linux/amd64

$ echo "export GOPATH=$(/usr/lib/go-1.10/bin/go env GOPATH)" >> ~/.bash_profile
$ echo "export PATH=$PATH:$(/usr/lib/go-1.10/bin/go env GOPATH)/bin" >> ~/.bash_profile
$ source ~/.bash_profile

# yum install epel-release

# yum install golang

# go version
go version go1.13.6 linux/amd64

$ echo "export GOPATH=$(go env GOPATH)" >> ~/.bash_profile
$ echo "export PATH=$PATH:$(go env GOPATH)/bin" >> ~/.bash_profile
$ source ~/.bash_profile

package main
import "fmt"

func  main()  {
	fmt.Printf("Hello World\n")
}

$ go run main.go 
Hello World

$ go build main.go 

$ ls -l
total 4184
-rwxr-xr-x  1 kou  staff  2136944  2 20 21:47 main
-rw-r--r--  1 kou  staff       74  2 20 21:38 main.go

$ ./main
Hello World