######卸载Centos自带的git1.7.1: 通过 `git –version` 查看系统带的版本，Cento6.5应该自带的是git版本是1.7.1 ```bash yum remove git ``` ######下载git2.2.1并将git添加到环境变量中 ```bash wget https://github.com/git/git/archive/v2.2.1.tar.gz tar zxvf v2.2.1.tar.gz cd git-2.2.1 make configure ./configure --prefix=/usr/local/git --with-iconv=/usr/local/libiconv make all doc make install install-doc install-html echo "export PATH=$PATH:/usr/local/git/bin" >> /etc/profile source /etc/profile ``` ######查看版本号 ```bash git --version ```