linux系统故障求解，那位大神帮忙看看 急

linux现在是无法启动，走到这个地方就不再往下走了，由于小弟对linux系统比较生疏，还请各位大神把详细的方法告知，不考虑重新做系统，谢谢了
can't create lock file /etc/mtab~468:no space left on device(use -n flag to override)
can't create lock file /etc/mtab~469:no space left on device(use -n flag to override)
can't create lock file /etc/mtab~470:no space left on device(use -n flag to override)
can't create lock file /etc/mtab~471:no space left on device(use -n flag to override)

finding module dependencies:
cannot create temp file /tmp/devlabel.p0meqw
/sbin/devlabel:line 893:$temp_proc: ambiguous redirect

提示为使用标志-n忽略