Ubuntu Installation :: Cannot Mount /dev/sda1 In Live CD
Jun 8, 2011
In a desperate attempt to play Tomb Raider, I have shrunk the /dev/sda1 with GParted in Maverick Live CD (the same one I used to install) then installed WinXP on it. Unfortunately for reason X, XP simply does not boot. So again I am in the Live CD, I have deleted the XP partition and am now trying to fix Grub2. In all the tutorials, you need to mount the normal partition. Which is what I am trying to do, but:
Code:
sudo mount /dev/sda1
mount: can't find /dev/sda1 in /etc/fstab or /etc/mtab
So there in nothing that I can do. Under "Places" I see my 489GB file system but I cannot mount it.
At least I am getting Internet through the Live CD and I always have Knoppix on hand.
EDIT: I should tell you that there is a boot flag on the /dev/sda1.
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Dec 25, 2010
I have a problem in my ubuntu 10.01 that it can't load a drive/volume in ubuntu. When I tried, it said: "Unable to mount location Error mounting: mount: /dev/sda1: can't read superblock". And when I boot my pc with 'Windows', it said : "UNMOUNTABLE_BOOT_VOLUME" under a blue screen. What can I do to solve this problem?
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Feb 26, 2011
I turned on my laptop today and noticed a load of unfamiliar startup text so I knew something was wrong. Now whenever I startup my laptop, GRUB loads fine but when I try to start Ubuntu it says the following:
Quote:
mount : mounting /dev on /root/dev failed : No such file or directory
mount : mounting /sys on /root/sys failed : No such file or directory
mount : mounting /proc on /root/proc failed : No such file or directory
[code]....
so all I'm left with is this BusyBox command prompt. I'm on a live Ubuntu CD right now and if I try to mount /dev/sda1 either in the terminal (with the mount command) or with the GUI it just gets stuck.
Quote:
This will provide you with a list of your drives and partitions, you need to pick the one that your root file system is installed to, it will be something like /dev/sda1 but in my case I can't even mount /dev/sda1. When I run sudo fdisk -l heres what I get
Quote:
ubuntu@ubuntu:~$ sudo fdisk -l
Disk /dev/sda: 160.0 GB, 160041885696 bytes
255 heads, 63 sectors/track, 19457 cylinders
[code]...
thats weird because I rebooted with a live Ubuntu CD and didn't even try to mount /dev/sda1 this time. The instructions were to then try to mount the drive from the GUI so heres what happens when I do that: it attempted to mount it for about a minute then gave me this error message When I tried again heres the error it gave me The problem seems to be that /dev/sda1 can't be mounted for some reason.
I don't know what that error message means and I don't know what else I can do to further diagnose /dev/sda1 and find out why it can't be mounted. Ordinarily I'd just reinstall Ubuntu but I have a couple of lab reports that I had saved on that partition so I'm in trouble if I can't figure out how to access the partition.
EDIT: At the end of that other thread someone recommends to use testdisk to recover the data from the partition. All I really need to do is get those lab reports back but I had them saved inside a Windows 7 guest on Virtual Box. Will this complicate matters a lot for me?
UPDATE: I tried to reinstall Ubuntu and it wouldn't work. Seems this is a bigger problem than I suspected. Does this mean my harddrive is corrupted? I can still use the Windows 7 partition but I take it that the Ubuntu installer not working is a bad sign.
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Aug 21, 2010
The problem I'm having didn't seem to be covered in other posts. Despite following what is supposed to be a straigtforward method, I am still unable to mount /dev/sda1.
Using Ubuntu 10.04 LTS LiveCD - Lucid Lynx
sudo /bin/bash
fdisk -lDisk /dev/sda: 250.1 GB
Disk identifier: 0xa08ea08e
Device Boot Start End Blocks Id System
[Code].....
I find it strange that fdisk sees the drive but mount doesn't.
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Jun 23, 2010
Found a raw device for my card when reading through the /proc/partition list but got a "no device" message when mounting the card - mount -t vfat /dev/sda1 /var/card though there is sda in the list.How to know if sda1 exists?
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Jul 23, 2010
I am using an embed linux application and trying to mount a USB device. The USB worked fine in windows. I then put it on my Linux box formatted (I hope correctly) And then tried to do the following to mount it
Code:
Disk /dev/sda: 4040 MB, 4040748544 bytes
255 heads, 63 sectors/track, 491 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
[code]....
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Nov 5, 2009
I have tried to mount Sda on my laptop HP dv6 and I have got this problem [root@cpe-74-71-125-175 ~]# /dev/sda1 /mymount/win ntfs-3g rw,umask=0000,defaults 0 0 bash: /dev/sda1: Permission denied
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Apr 17, 2010
I've tried to install Ubuntu before, back in 08. Unfortunately, my computer didn't like the standard install process (just froze up whenever I selected any option from the splash screen - maybe because I have an nVIDIA graphics card), so I wasn't able to get it to work. Anywway, I saw that they had messed with the default nVIDIA drivers in the 10.04 beta, so I decided to try that.
I made a Live CD and booted from it. I hit the "Try Ubuntu without any change to your computer" option. It thought for a little while, then started the bootup sequence. Then I got an error message that said:
(initramfs) mount: mounting /dev/loop0 on //filesystem.squashfs failed: Input/output error Can not mount /dev/loop0 (/cdrom/casper/filesystem.squashfs) on //filesystem.squashfs
Could anybody tell me what this means? Should I try using the alternate install, or did I just get a bad disc? (I don't think I did, though, because I redownloaded and burned again and still got the same error.)
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Aug 28, 2010
[URL] this thread had some information but i need some clarification as the results i got from the diaagnostics were not the same as the OP. my prooblemm is when i put the cd in the drive, i get this error:
Unable to mount Ubuntu 10.04 DBus error org.freedesktop.DBus.Error.NoReply: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken.
when i type this command:
sudo mount -t iso9660 /dev/scd0 /media/cdrom
i get this message:
mount: block device /dev/scd0 is write-protected, mounting read-only
mount: /dev/scd0 already mounted or /media/cdrom busy
mount: according to mtab, /dev/scd0 is mounted on /media/cdrom0
[code]....
the fellow fixed his by adding or editing his menu.lst in grub, but since my results are not exactly the same as his i dont know what it is i should be adding or editing. but it seems to have something to do with installing generic ide drivers and disabling the flopy drive and another item that even he didnt know what it was doing
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Mar 14, 2011
xubuntu iso was downloaded with wget on Kubuntu, I did a md5sum checksum in terminal which passed, also K3b's check passed. K3b burned iso with no errors, I set speed at 4x. I made two coasters before getting this far but it still won't get past the BusyBox built-in shell prompt after choosing my language and staring at the xfce mouse for a minute:
Code:
BusyBox v15.3 (Ubuntu 1:1.15.3-1ubuntu5) built-in shell (ash)
(initramfs) Can not mount /dev/loop0 (/cdrom/casper/filesystem.squashfs) on //filesystem.squashfs
is what I get when trying to boot live cd on both my Linux PC and Windows XP box.
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Apr 1, 2011
I am running a Postgres server and after I did the whole installation I realized the Postgres data was set in /usr/pgsql/data. Sda1 is just 10 Gig so I decided to re-organize the partitions to be able to move /usr to say /dev/sda7 with a mount point as /usr. The / partition is on the only primary partition and the rest is on an extended partition. When I tried to resize the primary partition GParted did not give me that possibilty so I decided to move /usr
Original partitions:
sda1 / 10 G on primary partition this includes /usr /var and all others
sda5 swap 2 G on extended partition
sda6 /home 140 G on extended partition
So I did create another partition using Knoppix and Gparted the disk:here is the new picture:
sda1 / 10 G on primary partition this includes /usr /var and all others
code....
I did rsync to copy all the file to /dev/sda7/usr and then mv /dev/sda7/usr* /dev/sda7. I stop the postgres database and services then I mv /dev/sda1/usr to dev/sda1/poufusr . When I rebooted it reports errors from kbd files on /etc File not found. It brings me to a terminal (No GUI) I did a check with :#mount: nothing is reported about sda7
What am I missing ?
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Mar 16, 2010
I'm setting up my menu.lst for GRUB Legacy (downgraded from GRUB2 in 9.10) and I'm just having difficulty getting my head around converting the /dev/sda1, sda2 etc to hd(0,0), (0,1).
My partitions are as follows:
sda1 = Windows XP (ntfs primary partition)
sda2 = Windows Vista (ntfs primary partition)
sda3 = Linux boot (small ext2 primary partition)
sda4 = extended partition
sda5 = Windows XP second different installation (ntfs logical partition)
sda6 = Ubuntu 9.10 root (ext3 logical partition)
sda7 = linux-swap (swap logical partition)
As I said, I am trying to set these up in GRUB, but cannot work out what all the hd(0,x) equivalents are. I *thought* it was just a case of subtracting 1 from the sdax number, but it doesn't appear to be that way.
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Mar 25, 2010
When, from the live cd I try to execute
Code:
e2fsck -y /dev/sda1
All i get is:[code].......
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May 5, 2010
I'm trying to install Lucid on a computer with windows already present. When I ran trough the install procedure no drives show up at the partitioning stage. So I check some things out and it turns out that /dev/sda1 is mounted to /cdrom and I can't umount it because it says the disk is in use. I'm booting with the live-cd downloaded from ubuntu. Why is this happening? Previously with older live-cd's I always have to mount the HD manually if I wanted to access it for any reason?
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Jun 5, 2010
I tried to update my system from 9.10 to 10.04 but when the system boots it says that it can not find the symbol for grub_puts_ and drops me into grub rescue.
I have a live disc and have been trying to get grub to reinstall following the advice from different websites and forum threads. It seems that everything goes smooth until I get to the part where you run update-grub. At that point I get the following:
/usr/sbin/grub-probe: error: cannot find a device for / ( is /dev mounted?).
My configuration is as follows:
windows is loaded on /dev/sda1. fdisk -l lists this partition as bootable.
linux / is loaded on /dev/sdb1
/usr is loaded on /dev/sdb5
/var is loaded on /dev/sdb6
/home is loaded on /dev/sdb9
[Code]....
this is where I have problems. it says: /usr/sbin/grub-probe: error: cannot find a device for / ( is /dev mounted?).
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Jun 6, 2011
I had a working Ubuntu 9.10 with Windows 7 installed, and i was writing an image of IPCOP [URL] to the USB drive incorrectly, i did mkfs on my primary partation i.e. /dev/sda1 now i am trapped in situation, i was trying to write and usb-hdd image of ipcop on USB Drive, while doing so, i have given following commands
1. mkfs.vfat /dev/sda1
2. e2label usb-pen
3. zcat filename > /dev/sda1
* now the stupid thing i have done, is given /sda1( My HDD ) instead of /sdb1 (USB Drive), it has successfully loaded IPCOP bootable on my primary drive, and my laptop is not working now.
Laptop Partation Info:
/dev/sda1 - NTFS (Windows 7 Prof)
/dev/sda2 - NTFS
[code].....
now i want to get my partitions & data back, if anybody have idea about how to get rid of this situation. The good thing i have done, is that, i didn't tried to install anything on the drive after this happened, with hopes that i can get my data back i guess that it can be recovered but confusion is that, which data recovery software to use, and for linux or windows, as i had my data on NTFS filesystem and currently there is Free Space and EXT4 partition.
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Jul 23, 2010
I've dual booted Ubuntu and Windows for years now and I've installed OSx86 on a separate drive which Grub2 picked up automagically and everything has been working great -- except I'm out of space. So I bought a 1.5 TB drive and installed win7 into sda1 (100MB NTFS bootloader for windows) and sda2 (50 GB NTFS windows drive). I now want to install two or three flavors of Linux. I'm thinking Ubuntu 10.04, Debian 5.05, and (if I'm bold enough) gentoo. each in 50GB partitions. I've already partitioned the drive a bit putting a 1.2 TB shared NTFS partition at the end (sda10), and a 2 GB swap parition just before that(sda9) My questions are:
(1) can all my linux distro's share that 2GB swap, or does each need it's own dedicated swap partition (installers generally assume you do)?
(2) can I re-partition space in the middle of the drive without messing with windows(sda1&2) and the shared part. (sda10)?
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Aug 19, 2010
I installed Debian on my PC and then installed Ubuntu. This worked fine and I could dual boot between the two. The PATA disk was /dev/hda on debian and (I think) /dev/sda on Ubuntu. I copied the entire disk to a sata disk using dd from knoppix and put the PATA one to one side. Now the Ubuntu comes up fine but when I boot debian, it complains about references to /dev/hda1, which is present in grub - root=/dev/hda1. Debian now expects sda references rather than hda references. How do I persuade Ubuntu to write /dev/sda1 to the bootloader rather than /dev/hda1 using grub-mkconfig?
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Sep 8, 2010
I've done a good few ubuntu installations for friends and colleagues and now my Dad wants in on the action. His PC is more than capable of running ubuntu 32 bit BUT I've hit a brick wall I've never come across before. I've burnt a CD image of the 10.04 iso from [URL] on my ubuntu box and for some reason, his PC just won't boot from it. If I select the option to manually select the boot source, all I see is the hardware monitor telling me things like CPU temperature. As for the Live USB - nothing whatsoever. Is it possible that I've managed to corrupt the iso file somehow?
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Apr 28, 2011
Live CD: I dowloaded the ISO, burned it to CD, booted from this CD. It starts to load and I can see the purple background with the loading icons. Everything seems normal. But instead of ending up with the login screen, it ends up with a screen that says 'Please remove all bootup media and hit ENTER' or something like this. So I hit enter and then it shuts off my computer. That's it.
Live Stick: So I tried another option and created a stick with 'usb-creator.exe' that is on the CD. Then I start from that stick, but all I end up is a line of 'Syslinux bla bla copyright 20xx-2011'. That's it. Then it does nothing anymore. The cursor is blinking, but no prompt or whatsoever and keyboard input doesn't do anything.
Now something weird: When I insert Live CD and Live Stick at the same time and then boot my computer, then it boots into Ubuntu. Obviously it loads the first parts from CD and then the rest from stick. Because when I'm then in Ubuntu and try to format the stick, it says it can't do so, because there's system files from that stick in use.
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Jul 15, 2010
I have a friend of mines computer that is hosed and gets the BSOD. He has pictures of his grandson on there that her really needs before I fix it. Is there a way to mount the main windows partition while running the Live CD? I have tried it and get an error but I am not able to get it working.
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May 28, 2011
I can't boot from LiveCD, it just gets to the console and informs me that squashFS mount failed for loop0. I don't want to go for full installation before I test it a bit.
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Nov 16, 2015
I did try
Code: Select allmenuentry "Debian live 8.2.0 KDE" {
insmod loopback
insmod iso9660
set isofile="/debian-live-8.2.0-i386-kde-desktop.iso"
#recherche de la partition dans laquelle se trouve le fichier ISO et montage de celle ci dans "/"
search -sf $isofile
[Code] ....
in /boot/grub/grub.cfg without success...
it goes with Ubuntu, Mint, Vinux, Trisquel (all last Ubuntu like ISOs at distrowatch) interchanging "live" through "casper" (3 time above).
what is the adequate Debian method?
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Mar 4, 2010
I want to mount my laptops encrypted root partition so I can do some maintenance on it - xfs filesystem. Is there a way to do this?
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Jan 17, 2011
The boot.ini file for windows fail(reason unknown) and now i cant boot to any installed OS. Used Ubuntu live from usb to explore the disks, but as i tried to mount the W�ndows partition it failed..
Code:
# mount -t ntfs-3g /dev/sda /media/c/
ntfs_mst_post_read_fixup: magic: 0xffffffff size: 1024 usa_ofs: 65535 usa_count: 65534: Invalid argument
Record 0 has no FILE magic (0xffffffff)
[code]....
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Jul 1, 2011
I've installed Ubuntu 11.04 on a desktop and am trying to install ndiswrapper. I don't have a wired connection to the router, but I have managed to use ndiswrapper successfully on other Linux live distributions which already had them installed (eg, Linux Mint 9). By inserting the Ubuntu 11.04 Live Cd and adding the cdrom in Synaptic's "Settings > Repositories" menu, I can find it in the list of packages, but when I try to install ndiswrapper-utils-1.9 and ndiswrapper-common I get a few error messages. First, a notice pops up saying: "Some of the packages could not be retrieved from the server(s). Do you want to continue, ignoring these packages?". I guessed this is due to lack of an internet connection, so I selected "yes" and got an error box that reads:
"E: Internal Error, No file name for ndiswrapper-utils-1.9 W: Failed to fetch cdrom:[Ubuntu 11.04_Natty Narwhal_-Release i386 (20110427.1)]/pool/main/n/ndiswrapper/ndiswrapper-utils-1.9_1.56+r2729-1_i386.deb
Unable to stat the mount point /media/Ubuntu4011.0440i386/ - stat (2: No such file or directory)"
This system has two hard drives and a cdrom drive. I've error checked the Live cd, and it came up clean. Please, can someone give me a hand getting Ubuntu to mount the cd? PS: I've downloaded the ndiswrapper files from sourceforge onto a thumbstick (version 1.56). Is there a way I can install them from the stick?
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Mar 30, 2011
I installed Linux (ubuntu 8.04) to an 80 gig harddrive, but want to reformat the drive to install windows. Problem is, for some reason windows XP won't recognize the harddrive at all.More importantly, when I boot from a Ubuntu live CD, it doesn't seem to recognize the harddrive. Or at least, there is no entry in /etc/fstab like /dev/hda (hdb,c,d) I have tried different Live CD's (ubuntu, knoppix)... How can I get the Linux liveCD to recognize the drive?
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Dec 3, 2010
I'm trying to get back into Linux after a few years off.
I have tried booting from a Live CD using Flash Linux and Damn Small Linux.
Flash Linux reports unable to mount CDROM and then provides a command line - I assume I have the kernel, a shell and little else at this point? Can I mount the CD and continue?
DSL seems to do something similar but freezes with a blank screen. I have the option of entering parameters prior to booting with DSL (but not with Flash) I have tried the parameter which copies the CD to RAM and then boots without success.
I plan on installing Debian to my HD in the near future but felt like playing around with Live CDs prior to this in order to get reacquainted.
I have googled this issue and it seems there are other noobs out there with the same model of PC (HP DV6) who are having similar problems but I could not find a solution.
As an aside - this is the kind of issue that IMO, still prevents Linux from becoming a mainstream OS.
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Nov 1, 2010
Im using the System Rescue live cd to try and Clamscan a partition on my internal HD, but I cant mount /dev/sda3 (my home partition).
I use this commandline (as root):
Code:
mount -t ext3 /dev/sda3 mountpoint
but it just hangs, and then gives an error.
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Jul 15, 2010
I have a friend of mines computer that is hosed and gets the BSOD. He has pictures of his grandson on there that her really needs before I fix it. Is there a way to mount the main windows partition while running the Live CD? I have tried it and get an error but I am not able to get it working. Does anyone else know any other tricks I can do to help get my friends pictures of his grandson off there?
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