linux 指定git版本安装，maven安装

1.linux默认的git版本可能会报错 error: The requested URL returned error: 400 Bad Request while accessing https
卸载老版本yum -y remove git
2.离线下载https://github.com/git/git/archive/v2.22.4.tar.gz
tar -zxvf git-2.22.4.tar.gz
cd git-2.22.4
3.编译,如果报错，
a.更改yum配置文件https://blog.youkuaiyun.com/JavaBigData/article/details/121521579?ops_request_misc=%257B%2522request%255Fid%2522%253A%2522166347607516782428661848%2522%252C%2522scm%2522%253A%252220140713.130102334.pc%255Fblog.%2522%257D&request_id=166347607516782428661848&biz_id=0&utm_medium=distribute.pc_search_result.none-task-blog-2~blog~first_rank_ecpm_v1~rank_v31_ecpm-1-121521579-null-null.nonecase&utm_term=repo&spm=1018.2226.3001.4450
b.更换 yum版本https://blog.youkuaiyun.com/JavaBigData/article/details/121510235?ops_request_misc=%257B%2522request%255Fid%2522%253A%2522166347607516782428661848%2522%252C%2522scm%2522%253A%252220140713.130102334.pc%255Fblog.%2522%257D&request_id=166347607516782428661848&biz_id=0&utm_medium=distribute.pc_search_result.none-task-blog-2~blog~first_rank_ecpm_v1~rank_v31_ecpm-3-121510235-null-null.nonecase&utm_term=repo&spm=1018.2226.3001.4450
安装编译的依赖
sudo yum install curl-devel expat-devel gettext-devel openssl-devel zlib-devel gcc perl-ExtUtils-MakeMaker

sudo make prefix=/usr/local/git all
sudo make prefix=/usr/local/git install

4.环境配置
sudo vim /etc/profile
export PATH=$PATH:/usr/local/git/bin

5.mvn安装
sudo wget http://repos.fedorapeople.org/repos/dchen/apache-maven/epel-apache-maven.repo -O /etc/yum.repos.d/epel-apache-maven.repo
sudo sed -i s/\$releasever/6/g /etc/yum.repos.d/epel-apache-maven.repo
sudo yum -y install apache-maven