搭建开源codereviewgerrit+git+repo服务器

1.Java环境gerrit依赖，用于安装gerrit环境。下载：jdk-8u181-linux-x64.tar.gzhttp://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html安装：sudotarzxvf./jdk-8u181-linux-x64.tar.gz-C/opt配置：vim~/.bashrc(针对当前用户)orvim/etc/profile(针对所有用户，推荐)