1 .下载最新版本的源代码yum安装- y构件
wget-o/tmp/git-2.21.0.tar.gz https://mirrors.edge.kernel.org/pub/software/SCM/git-2.21.0
服务器无法访问外网时，在自己的电脑上访问https://mirrors.edge.kernel.org/pub/software/SCM/git-2.21.0.tar.gz
2 .安装编译为yum安装- YC URL-devel expat-devel gettext-devel OpenSSL-devel zlib-devel zlib-develgccperl-extutils-makemakkkke
3.tar-xzvf./git-2.21.0.tar.gz/usr/local/git解压缩
cd /usr/local/git/git-2.21.0
4 .验证依赖关系并设置安装路径。/configure---- prefix=/usr/local/git
编译并安装make make安装
6 .设置全局环境变量vim /etc/profile
添加
# git _ home git _ home=/usr/local/gitexportpath=$ path : $ git _ home /添加达到的跳跃糖后，保存eq退出
更新source/etc /配置文件