after I accidentally commented my uuid in my fstab and now it fails to boot i only sees a terminal but i can login there like i normally do but no Ubuntu interface. I tried to remove the comment(#) but i cant because it only have a read permission. I'm trying to migrate from windows to Ubuntu for programming purposes so basically I'm a newbie. Can someone advise me what to do?
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When you boot to Recovery Mode, the root partition / goes into Read Only mode by default. Before you can make any changes run the following line:
mount -o remount,rw /
Or
sudo mount -o remount,rw /
Then when you are completed with your changes to your /etc/fstab file all you should have to do is reboot the system.
Terrance
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I had a similar issue where accidentally I added a letter at the beginning of my fstab file. My system booted into emergency mode. The text at the bottom of the screen read:
You are in emergency mode. After logging in, type "journalctl -xb" to view system logs, "systemctl reboot" to reboot, "sytemctl default" or "exit" to boot into default mode.
Press Enter for maintenence
(or press Control-D to continue):
I pressed Enter and a new line appeared at the bottom that read:
root@ubuntu-server:~#
ubuntu-server was my system's hostname.
I typed in sudo nano /etc/fstab and was able to remove the letter. I saved my changes, exited nano, reboot my system, and it worked fine.
fstabtype insudo mount -o remount,rw /so that the partition goes into Read Write mode. – Terrance Jun 22 '18 at 13:21