下载安装包

go下载：

下载地址：https://golang.google.cn/dl/

创建安装目录移动并解压到安装目录

[root@server01 ~]# mkdir -p ~/support/gopath
[root@server01 ~]# mv go1.15.6.linux-amd64.tar.gz ~/support
[root@server01 ~]# cd support/
[root@server01 support]# tar xf go1.15.6.linux-amd64.tar.gz 

添加环境变量

[root@server01 ~]# vi .bash_profile

# .bash_profile

# Get the aliases and functions
if [ -f ~/.bashrc ]; then
        . ~/.bashrc
fi

# User specific environment and startup programs

PATH=$PATH:$HOME/bin

export PATH
#go
export GOROOT=~/support/go
export GOPATH=~/support/gopath
export PATH=${GOROOT}/bin:$PATH
export PATH=${GOPATH}/bin:$PATH

source ~/.bash_profile

查看环境变量是否生效

[root@server01 ~]# source ~/.bash_profile
[root@server01 ~]# go version
go version go1.15.6 linux/amd64