Linux 2.6.23 or later with glibc, Intel 64-bit processor
go1.14.4.linux-amd64.tar.gz (118MB)
https://dl.google.com/go/go1.14.4.linux-amd64.tar.gz
SHA256 Checksum   aed845e4185a0b2a3c3d5e1d0a35491702c55889192bb9c30e67a3de6849c067
http://aws.as4k.top/chfs/shared/go1.14.4.linux-amd64.tar.gz


tar -C /usr/local -xzf go$VERSION.$OS-$ARCH.tar.gz
tar -C /usr/local -xzf go1.14.4.linux-amd64.tar.gz

echo 'export PATH=$PATH:/usr/local/go/bin' >> /etc/profile
echo 'export GOROOT=/usr/local/go' >> /etc/profile
退出重新登陆一下，使环境变量生效

#1 开启base和epel源
========================
https://blog.csdn.net/xys2015/article/details/109378741

#2 安装
========================
yum install go
go version

#3 相关冗余信息
========================
Installed:
  golang.x86_64 0:1.15.5-1.el7                                                          
Dependency Installed:
  golang-bin.x86_64 0:1.15.5-1.el7
  golang-src.noarch 0:1.15.5-1.el7
  mercurial.x86_64 0:2.6.2-11.el7
[root@192_168_31_100 ~]# go version
go version go1.15.5 linux/amd64

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

#2 编译
========================
go build hello.go

#3 运行
========================
./hello

#4 一些冗余信息
========================
[root@192_168_31_100 ~]# ls
hello  hello.go
[root@192_168_31_100 ~]# file hello
hello: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), statically linked, not stripped