How to install GoLang in Ubuntu

Today, I will start to learn how to use the GoLang. I am not good at the programming languarge. With this chance, I I hope that I can read the GoLang with basic grammer.

 

1. Installation

I will follow this instruction, which is offered by "Golang". 

wget https://dl.google.com/go/go1.14.1.linux-amd64.tar.gz

I need to extract this file in any dictionary what you want. In my case, I will extract on my home directory.

# cd /home/ubuntu # tar -xf go1.14.1.linux-amd64.tar.gz   # rm -rf go1.14.1.linux-amd64.tar.gz   # ls go

After extracting, I need to edit my environment file to insert the Go binary path.

# vi /etc/environment PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/home/ubuntu/go/bin" # source /etc/environment

Now I am ready to study this GoLang.

# go version go version go1.14.1 linux/amd64

 

2. Test my first Go langurage.

 

I am writing first go programing as the sample like below.

# cat hello.go  package main import "fmt" func main() {                 fmt.Printf("hello, world\n") }

There is the 2 ways to run this program. At first, It is "run" command. It can be ran without any compile.

# go run hello.go  hello, world# go build hello.go # ls hello  hello.go  ubuntu root@crenet_host:/home# ./hello  hello, world# go build hello.go # ls hello  hello.go  ubuntu # ./hello  hello, world

In second, it is "build" command. It compile this file and create the binnary file. In this case, "hello" is the compiled file.

 

Reference 

[ 1 ] https://golang.org/doc/install