refer: https://www.cnblogs.com/yongquan/p/16417775.html

linux 下载安装 go1.18

(1)下载

wget https://dl.google.com/go/go1.18.3.linux-amd64.tar.gz

(2)解压文件到新版本文件夹

sudo tar -zxvf go1.18.3.linux-amd64.tar.gz

然后修改.bashrc (/home/linlin/.bashrc)即可。把原来的1.19替换为1.18.