把你要读写串口的程序设置root:root，然后chmod u+s，就可以了

注意spf13需要lua支持，ubuntu16原生vim不支持lua安装curl http://j.mp/spf13-vim3 -L -o - | sh更新cd $HOME/to/spf13-vim/git pullvim +BundleInstall! +BundleClean +q

Git has something called a 'detached HEAD' that bears some explanation. Youare told 'do not commit on a detached HEAD', and it is not always clear whator why this is.开始主要讲git的原理，讲HEAD指针。反正，最重要的东

先查看remote的名字git branch -r假设你的remote是origin，用git remote set_url 更换地址git remote set-url origin remote_git_address详细见http://segmentfault.com/q/1010000000124379