Problemas na inicialização do Servidor Linux Ubuntu

/dev/sda1 contains a file system with erros, check forced.
Inodes that were part of a corrupted orphan linked list found.

/dev/sda1: UNEXPECTED INCONSISTENCY: RUN fsck MANUALLY.
(i.e., without -a or -p options)
fask exited with status code 4
The root filesystem on /dev/sda1 requires a manual fask

BusyBox v1.22.1 (Ubuntu 1:1.22.0-15ubuntu1) built-in shell (ash)
Enter 'help' for a list of built-in commands.

(initramfs) fsck
fask from util-linux 2.27.1