Linux命令收藏

1. restorecon -r -vv /root/.ssh

解决CentOS由于安装SELinux导致ssh免密码登录失败的问题
参考http://www.tuicool.com/articles/ze2ARvZ

2. cat /proc/mounts | grep "mapper/docker" | awk '{print $2}'

http://blog.csdn.net/wangjia184/article/details/43151041