I have a hard drive with only Ubuntu 14.04 installed, that I want to check. However, the tutorial I read says that the hard drive has to be unmounted before I can check it.
Apparently, I can run the disk check using an Ubuntu live USB stick, so I created one. What do I do from here?
UPDATE:
I managed to get to this screen:
UPDATE 2
I selected the "fsck" option. It brought up a window with this message:
"Continuing will remount your / filesystem in read/write mode and mount any other filesystem defined in /etc/fstab.
Do you wish to continue?"
(Yes) / (No)
Choosing (No) just took me back to the menu, so I chose (Yes), and it opened a log screen of some sort with the following content:
fsck from util-linux 2.20.1
fsck from util-linux 2.20.1
fsck.fat 3.0.26 (2014-03-07)
/dev/sda1: 6 files, 864/130812 clusters
/dev/sda2: Inodes that were part of a corrupted orphan linked list found.
/dev/sda2: UNEXPECTED INCONSISTENCY: RUN fsck MANUALLY.
(i.e., without -a or -p options)
mountall: fsck / [807] terminated with status 4
mountall: Filesystem has errors: /
mountall: Skipping mounting / since Plymouth is not available
Finished, please press ENTER
I pressed ENTER and it once again took me back to the menu. I tried selecting "fsck" again, but now I got this message:
"The option you selected requires your filesystem to be in read-only mode.
Unfortunately another option you selected earlier, made you exit this mode.
The easiest way of getting back in read-only mode is to reboot your system."
Was this supposed to happen? Was the readout in the log screen the disk check?