Fedora :: Can't Boot - Need To Edit Fstab
Oct 2, 2009
I really need some help here, this is driving me mad. I edited my fstab file to boot a partition on start up, only instead of typing sda7 I typed sda1 by mistake and now can't boot.
The problem that is driving me mad is I cannot save changes to fstab from a live cd because I do not have root permissions.
I am relatively new to Linux and have no idea how to use the fedora install disk or the commands to use or if it will let me save changes to the file.
I cannot believe something so easy to fix does not appear to be possible because i can't save changes to the fstab on my fedora install.
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Jul 28, 2010
I have a second hard drive with fedora 10 installed on it. My primary drive and os is fedora 12. How do I edit the fstab file in order to mount the second hard drive and get files off of it
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Jun 23, 2010
I am trying to edit fstab to auto mount a couple of windows shares. I have this but it doesn't work. What am I doing wrong? code...
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Apr 19, 2010
I was unable to boot into Ubuntu 9.1 today because the file system is now read only. When I check fstab, it shows "ro" but I can't change it because it's on a read only file system. I tried umounting the root then remounting with read/write access, but I was unable to umount the root. I also tried booting with a live CD, but all I can find is the root.disk file, I can't see any of the file structure. That's probably just how it is supposed to be, but I'm new to Linux so I found it strange. method to either change the disk to read/write besides this?sudo umount /mount -o remount,rw /The other option would be to somehow mount the disk image while using a live CD so that I can get to the fstab file and edit it.
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Apr 21, 2011
I am stuck in recovery shell because I mistyped one line in the fstab file. I know what I did wrong but now I cant edit my fstab anymore. I can only enter recovery shell and thats it.
sudo nano doesent work because it's a read only file / disk.
So any idea is worth trying
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Feb 13, 2010
I am running Ubuntu 9.04 on an Acer Aspire laptop and have broken my display system while trying to use the restricted drivers for the nvidia graphics card.
Basically I downloaded and activated the restricted driver. I rebooted and now ubuntu freezes on startup.
I can get access to the command line but am unable to edit either fstab or xorg.conf because ubuntu has mounted the filesystem in read only mode.
I have read and tried all the options given in this posting [URL] but because I cant read or write any of the files I cant seem to affect any change to the system
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Oct 2, 2010
I've edited /etc/fstab to auto-mount two partitions on a new disk drive that have been formatted as ext3, by appending the following two lines:
/dev/sdb1 /bak1 ext3 defaults 1 1
/dev/sdb2 /bak2 ext3 defaults 1 1
On reboot, the system complains there is some problem (I can't advise what the problem is, because the display scrolls up too fast to read!), and I'm left with a root command prompt.
Its a /etc/fstab problem, presumably. I've used vi to edit /etc/fstab to remove the two lines mentioned above, but on quit and save, I'm told I have a read-only file system!
1. How can I mount a read-write file system so I can edit /etc/fstab?
2. What's wrong with my two new entries in /etc/fstab? After formatting /dev/sdb1 and /dev/sdb2, I checked the they were mountable with # mount /dev/sdbn /bakn (n = 1, 2) before editing fstab.
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Jul 18, 2011
I have been trying to work out how to set up Fedora 15 to automatically mount an NFS share at boot time. I can mount the share interactively using 'mount -t nfs server:/usr/local /usr/local'. When I put the entry in /etc/fstab, it stops the machine booting. It tries to give me a shell ('Enter root password for shell or press Control-D to exit') or something close to that. However, I cannot enter the maintenance mode, it hangs. Same thing with pressing control-D, it hangs and doesn't get any further.
I rescued the system by booting off a CD, mounting root, and removing the nfs entry from fstab. After that it booted fine. The entry I had in the fstab is: nfsserver:usr/local /usr/localnfsro,hard,bg,intr,comment=systemd.automount0 0
I put the 'comment=systemd.automount' entry in because of some related searches I did in forums.
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Jul 21, 2011
I have a bad entry in /etc/fstab I have tried to tried to change in boot but it says read only. It will not take su. I have a livecd but I can't seem to get to my filesystem from a terminal where I can specify su
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Jun 8, 2010
1. I accidentally removing /etc/fstab
2. reboot
3. It enter gdm/runlevel 5 though several warning complaining missing /etc/fstab (i can post the boot.log if it is needed)
4. I "touch /etc/fstab"
5. reboot (and cannot pass run level 2)
I can enter run level 1, but when after that if I "init 2" it is halted. Most of the boot message (after i create empty fstab with touch) is complaining about read only filesystem.
ps note:
1. I use LVM
2. I don't have access to a live cd until saturday
3. /etc/mtab is empty as well when i checked it in run level 1
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May 11, 2010
how do I edit my kernel boot options permanently? I need to keep adding "nodmraid" to my grub kernel options on each boot... what file do I edit to make it permanent?
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Oct 21, 2010
I have installed two OS on my PC. Windows 7 and fedora 12,but when I boot it shows 3 entries for fedora and one for windows to select. How can I remove redundant menu entries without affecting boot loader.
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Oct 12, 2010
i installed ubuntu inside windows but someone instead of uninstalling it directly deleted the ubuntu folder inside windows ,thinking that the partition will be deleted. but when i restarted the system and command prompt came and said unable to find boot record and i couldn't boot windows as well and a grub prompt came like grub>, then i inserted the windows boot cd and repair the boot record error but my problem is , instead of doing this way, can i do so by grub prompt directly without using winidows cd.
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Jan 31, 2011
I'm trying to set up some shares on this pc and every time I try to edit the /etc/exports file I get this error. I get the same error when I try to edit /boot/grub.conf file or any other files. Does not matter what editor I use. I'm running f14.
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May 18, 2011
I have 2 harddisks 1 tb and 160 gb. In 1 tb fedora is installed. In 160 gb windows is installed. 1 tb is the master. 160 gb is not being detected. How to edit grub.conf file to edit the menu?
The content of grub.conf is
# grub.conf generated by anaconda
# Note that you do not have to rerun grub after making changes to this file
# NOTICE: You do not have a /boot partition. This means that all kernel and initrd paths are relative to /, e.g.
# root (hd0,1)
# kernel /boot/vmlinuz-version ro root=/dev/sda2
# initrd /boot/initrd-[generic-]version.img
#boot=/dev/sda
default=1
timeout=5
splashimage=(hd0,1)/boot/grub/splash.xpm.gz
hiddenmenu
title Fedora (2.6.35.6-45.fc14.i686)
root (hd0,1)
kernel /boot/vmlinuz-2.6.35.6-45.fc14.i686 ro root=UUID=bfc7d406-5ae3-4335-a2d8-37472dcfa7dc rd_NO_LUKS rd_NO_LVM rd_NO_MD rd_NO_DM LANG=en_US.UTF-8 SYSFONT=latarcyrheb-sun16 KEYBOARDTYPE=pc KEYTABLE=us rhgb quiet
initrd /boot/initramfs-2.6.35.6-45.fc14.i686.img
title Other
rootnoverify (hd1,0)
chainloader +1
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Nov 1, 2010
Forgive the terseness. I'm frazzled with this issue, perhaps I should have asked earlier. Every weekend for the past 2 months has been an endless cycle of 'repair broken system' off the install disk.
Installed from Ubuntu server 10.04LTS x86_64, + xfce-desktop Here is uname -a Linux ournas 2.6.32-25-server #45-Ubuntu SMP Sat Oct 16 20:06:58 UTC 2010 x86_64 GNU/Linux If I add my raid + lvm to the fstab file, the boot stalls, (no error it, just hangs waiting, forever). So that's a not very user friendly to start with.
I've tried the suggestions about UUID in fstab tried using LABEL instead, or even /dev/xxx. Every time it hangs. I've googled this endlessly and not found a solution. So don't ask why... since I seem to have tried every odd suggestion to fix this, I've lost track. There seems to be some consensus that whoever gave us plymouth laid an egg. Forgive me if I'm wrong, but did we need a better graphical boot if it breaks everything else?
[Code]...
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Jan 27, 2011
I edited /etc/fstab and after that the computer won't boot up. I got as far as (Repair filesystem) 32 #mount -w -o -remount / and it says already mounted or busy. I type (Repair filesystem) 32 #mount And it looks like all mount points are (rw) I try to edit /etc/fstab but when I save it I get told that the filesystem is READ ONLY.
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Dec 16, 2009
I want to set up a web server on a PIII machine with about 800MHz processor and just under 500 megs of RAM. So how would I go about configuring Fedora 12 to do this? I've tried the small spins and I just don't know how to configure it so it will install properly. I was able to get the Gnome spin on it but when it booted I couldn't get through the log-on screen. I have an AGP NVIDIA Geoforce 6200 video card. I'm wondering it that's it. The only Linux distros I could get on the machine was Puppy and Debian. Puppy did not edit the boot record very well. Debian went on there with very minor issues, but edited the master boot record very well so that I can dual boot to WindowsXp HE. I also tried to put Centos on there but the Live CD is not installable. I have to make an installation CD from the DVD Package. Anyways, as far as Fedora is concerned, I just want a utility, light weight spin that has web-server, mail server, and eventually MySQL. Other wise I'll have to commit treason and use the horned Debian as my savior in this battle.
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Feb 18, 2010
Debian if my first OS and i want to dual boot Fedora12.Ok i installed Fedora12 and choose not to install the bootloader(gonna use the one Debian installed)What i'm tring to do in Debain is edit my /boot/grub/menu.lst
Here is what i have
Code:
title Debian GNU/Linux, kernel 2.6.26-1-686
root (hd0,0)
kernel /boot/vmlinuz-2.6.26-1-686 root=/dev/hda1 ro quiet
initrd /boot/initrd.img-2.6.26-1-686
code....
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Jan 5, 2010
What would be the best way list disk and partitions in the fstab file?
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Jan 15, 2010
I've had two hd's in my box forever. for more space and backup reasons. Well I have started running the Debian Squeeze distro since December. I've had many issues, some are still unresolved. but now I'm running into major headaches with the fstab. Specifically dealing with/wondering why UUID's are used instead of the old /dev/hd? I was a little annoyed when I tried Kubuntu to find /dev/sd? used instead of /dev/hd? but that was workable. But the UUID's are a nightmare. Here's my problem.
My main box is finally giving up the ghost. The mobo is dying. So in order to do some tests I took my hd bundle (my two hard drives with their cables) physically out of the box and temp installed them in a test box. I wanted to do some benchmark and other tests. I got all kinds of errors. I found that the system wasn't recognizing the UUID's listed in fstab. My concern is when the new mobo gets here next week I won't simply be able to plug the hd's in like I always have been and just let Linux reconfigure itself (Debian used to be good about this). I really don't want to have to clean reinstall if it's not needed.
So for this I have two questions. WHY developers decided to drop using /dev/hd? or even /dev/sd? ?
And is it possible to revert fstab's listings back to the old /dev/hd? settings. In debian fstab had lines commented out showing how each partition was listed in it's /dev/hd? status during install.
I'm getting really sick of all these archane changes in ALL aspects of linux that don't seem to have any good explaination or need.
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Apr 23, 2010
I have an external hdd that I have added to the fstab so it will mount when I boot. But every time I add the line to fstab and reboot, it hangs during the boot process and says something about ureadahead-other status 4. here is my line in fstab..
/dev/sdc1 /NAS ext3 defaults 0 0
Is there anything wrong with that? I couldn't remember what fs I chose when I formatted it so I did "sudo parted /dev/sdc print" and it said it was ext3.
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May 5, 2010
I'm puzzled as to why this fstab isn't working:
Code:
# /etc/fstab: static file system information.
#
[code]...
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Sep 2, 2010
I made a mistake in my fstab. I know what the problem is and how the fstab needs to be changed. However, since the system will not boot I'm having diffeculty getting in to edit it.The system is running Ubuntu 10.4 64 Bit with LVM2.I have both 10.4 64Bit Server and 10.4 32Bit Desktop cds currently and could burn others if needed. With 32Bit Desktop I'm able to get to a live cd prompt but my hard disks are not mounted.if I try mounting /dev/sda5 to a dummy directory I created it tells me it doesn't know the type of 'LVM2_member'.
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Sep 24, 2010
I have a removable SATA Mobilerack which i use to play with.It has redhat linux loaded on a 500GB disk and i made a new partition using fdisk and then made an ext3 filesystem with mkfs. I then tried to edit fstab to add the new partition but have obviously stuffed it up. When I tried to reboot I get the error fsck ext3: UNABLE TO RESOLVE `LABEL=/mnt'.
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Jan 6, 2010
I upgraded from XP to Windows 7 (I need this for legacy business) and decided to install Ubuntu permanently rather than using from CD. During an Ubuntu session I was prompted to upgrade, which I did, but when I boot up now, there seems to be 2 versions of Ubuntu which I can choose from the boot up menu, plus the usual mem test, safe mode etc, plus the option to boot Windows 7.
Firstly, is there in fact more than one Ubuntu image (and therefore precious disk space taken up), how do I find out, and if so what action should I take?If there is only one Ubuntu and one Windows 7 image, how do I edit (and where is the file) to change the boot order and the various boot selections?
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May 26, 2010
I was able to successfully create a small, fixed-size "ram disk" just for kicks, via:
Code:
sudo mkfs -t ext3 -q /dev/ram1 65536
sudo mkdir -p /media/ramdisk
sudo mount /dev/ram1 /media/ramdisk -o defaults,rw
However, I wanted it to auto-boot, so I added the line to fstab:
Code:
/dev/ram1 /media/ramdisk ext3 defaults 0 0
This, however, rendered Ubuntu unbootable and I had to repair the fstab by removing the line via a Live CD. I had enough patience to boot through the CD an extra time to see if just deleting "ext3" would work, but it did not. What would cause this to make the system unbootable and how I could make it work?
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Sep 1, 2010
[URL] and instead of a fat32 I added a ntfs 2 tb hd to my computer. But it doesnt like it, so now when I boot I get
init: ureadahead-other main process (1234) terminated with status 4
I searched and people are mentioning logging into the terminal and what not, but I cant get to a terminal so that kind of silly. People also talking about updating their video cards for this issue, which also is not my problem.
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Dec 29, 2010
No Boot started w/auto check of drives and it failed on my Virtual C: drive. I know,... but I edited /etc/fstab and now I have nothing available to get a command line. I have grub2 and don't know how or can't get to a boot menu either. Is this a reinstall?
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Feb 11, 2010
I've just started playing around with a Sheevaplug running a very light version of Ubuntu. I'm planning to run it with an SD card to store all my server data and a USB stick to regularly back up some of it.My problem is that the 2 partitions on my SD card mount fine at boot, but my USB stick's single partition does not. Could it be that the mounts specified in fstab are done before my USB device has finished getting alive? Mounting the USB stick manually works perfectly well.
fstab
Code:
# <file system> <mount point> <type> <options> <dump> <pass>
/dev/sda1 /media/usb1 ext2 defaults 0 0
/dev/mmcblk0p1 /media/sd1 ext2 defaults 0 0
/dev/mmcblk0p2 /media/sd2 ext2 defaults 0 0
dmesg after boot
Code:
ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
orion-ehci orion-ehci.0: Marvell Orion EHCI
orion-ehci orion-ehci.0: new USB bus registered, assigned bus number 1
orion-ehci orion-ehci.0: irq 19, io mem 0xf1050000
orion-ehci orion-ehci.0: USB 2.0 started, EHCI 1.00
usb usb1: configuration #1 chosen from 1 choice
hub 1-0:1.0: USB hub found
hub 1-0:1.0: 1 port detected
Initializing USB Mass Storage driver.....
In the dmesg
Code:
usb-storage: device scan complete
comes after
Code:
EXT2-fs warning: mounting unchecked fs, running e2fsck is recommended
EXT2-fs warning: mounting unchecked fs, running e2fsck is recommended
which makes me think the USB stick has missed the fstab train the 2 SD card partitions are on. And changing the order of the entries in fstab does not make any difference either.
I'm not planning to reboot my Sheevaplug every 5 minutes, but I like things to be nice and clean.
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