CentOS 7.2 安装lnmp1.4不成功，来帮帮忙吧

rhinocero

Error: Nginx install failed.
Error: MySQL install failed.
Error: PHP install failed.
Sorry, Failed to install LNMP!
Please visit https://bbs.vpser.net/forum-25-1.html feedback errors and logs.
You can download /root/lnmp-install.log from your server,and upload lnmp-install.log to LNMP Forum.


附上日志   
请帮我看看是什么问题，以前在其他VPS上装过好多遍都没有过问题
感谢感谢

licess

Filesystem                   Size  Used Avail Use% Mounted on
/dev/mapper/centos-root      8.5G 1018M  7.5G  12% /

ln: failed to create symbolic link ‘/usr/bin/mysqldump’: No space left on device
ln: failed to create symbolic link ‘/usr/bin/myisamchk’: No space left on device
ln: failed to create symbolic link ‘/usr/bin/mysqld_safe’: No space left on device

安装mysql 5.7，只要要9G以上的可用空间