View Full Version : [ubuntu] Mounting a read only file system Ubuntu 10.04
metallica1973
January 28th, 2011, 04:21 PM
I made a modification to the /etc/fstab using Ubuntu 10.04 and now it wont boot correctly. I can get the cli but when I enter /etc/fstab and make an edit it says" changing permission of /etc/fstab: read only file system"
How can I mount the partition so that I can edit it? thanks in advance
pastalavista
January 28th, 2011, 04:36 PM
You need to use 'sudo' to edit system files
sudo gedit /etc/fstab To learn about fstab, check out this post (http://ubuntuforums.org/showthread.php?t=283131)
metallica1973
January 28th, 2011, 04:38 PM
I cant boot into to the OS just from recovery mode and from the their it gives me that error. there is no GUI
pastalavista
January 28th, 2011, 04:52 PM
From the console, you'll need to use 'nano' to edit files
sudo nano /etc/fstab
sisco311
January 28th, 2011, 04:56 PM
I made a modification to the /etc/fstab using Ubuntu 10.04 and now it wont boot correctly. I can get the cli but when I enter /etc/fstab and make an edit it says" changing permission of /etc/fstab: read only file system"
How can I mount the partition so that I can edit it? thanks in advance
Try to remount the root partition:
sudo mount -o remount,rw /
metallica1973
January 28th, 2011, 05:05 PM
/dev/sdb1:clean 123412/878586 files, 8685856/23523526 blocks
mount: / not mounted already, or bad option
mountall: Filesystem could not be mounted: /
An error occurred while mounting /
Press S to skip mounting or M for manual recovery
I added notaime option to my fstab by accident
so if I choose manual I get to the cli and whenever I attempt to edit the file I get the above error. I used another machine and attempted to mount the drive but I get the same error.
I tried
sudo mount -o remount,rw /
and I get
EXT4-fs (sdb1): unrecognized mount option "notaime" or missing value
mount: / not mounted already, or bad option
metallica1973
January 28th, 2011, 05:22 PM
issue resolved:
I mounted the the drive on another system and just:
chown root:root /media/usbdisk/etc/fstab
corrected the "notaime" to "noatime", reboot the usbstick and all is well. I guess I didnt need to chown back the /etc/fstab to root since it is already root. It seems to have worked.
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