General :: Partition Table - Redo Entire Reinstall?
Apr 3, 2010
I am trying to install Gentoo. Currently I have windows 7 on my primary Hard Drive.I decided to add in a second HDD that I got for free and use linux on that.I got through my entire install and at the end I accidently wrote grub to my second hard drive.When I rebooted it went straight to windows.So I have some questions. When installing to the secondary HDD does my boot partition and swap need to be on sda? or can they reside on sdb?Also I tried to re-issue the grub-install command and it said bash: command not found. How can I get grub to re-install? I tried to emerge it and same issue no command found.Do I need to redo the entire reinstall?My last question is If I have more then enough HDD space how much is too much for linux? Most people say 30 GB is all you need from what I have read but I assume 160 GB is going to go to waste?
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Aug 6, 2010
Is there a difference between using GPT partition table when formating hard drives and MS-DOS partition table? What are the advantages/disadvantages of using either?
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Jan 26, 2011
I have tried to automate the configuration of a usb drive with not much success.
The problem that I have is that I have a large amount of usb drives that have a partition table of type "loop" and I need to change them to "msdos". The size of the drives vary and I need to use FAT32 or FAT16 file system.
I've tried various partitioning commands and gui applications but cant find one that I can give a one line command to to set the partition table, maximum partition size and file system.
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Feb 17, 2011
USB flash disk partition disappeared as well as partition table I'm not sure about the cause
Code:
root@u# less /var/log/syslog
usb 5-1: New USB device found, idVendor=058f, idProduct=1234
usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[code]....
Where did the partition table go? The device had one ext3 partition something around 4GB(size of USB storage device). I need to restore few files from this device.
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Feb 15, 2011
I currently have Fedora running on it's own hard drive and I have two other drives in the same workstation I want to setup as Raid 0. Is this possible and what tool can I use to accomplish this? I have a feeling I might have to reinstall the entire system to accomplish this ...
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Mar 29, 2011
I was relieved to read online that I'm not the only first-time Ubuntu user to destroy their system beyond repair and wish to uninstall and reinstall Ubuntu. However, all the tutorials I can find on how to do it are for users who have a dual operating system on their computer, especially XP and Vista. Ubuntu is my sole operating system (I decided to give it a try when my computer crashed and needed to be rebooted with a new operating system).
Is there a way to just remove my entire Ubuntu operating system from my laptop and reinstall it? I've already downloaded Ubuntu onto my jump drive and it's all set to reinstall. Tutorials claim that restarting my laptop with the jump drive inserted in my laptop will automatically startup the Ubuntu installation process but it doesn't, and I'm sure it's because I still have Ubuntu on my laptop.
Stats:
Gateway NV52
Formerly Windows Vista, but that was removed and Ubuntu (Linux) is now the sole operating system
Gnome
Ubuntu 10.04 LTS
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Jul 11, 2011
i am putting a larger drive in my laptop, i have linux mint 10 KDE setup with all the software i need and running just the way i like it. is it possible to actually copy the entire partition to a external drive then place the partition back into my laptop with the new drive in it, and still have it all setup the way i had it?
basically so i dont have to reinstall everything and set it up again.if this is possible could you please explain how i can do it in the simpliest terms at all please.
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Apr 20, 2011
I run alot of Linux running in memory. Mainly by PXE booting a kernel and the entire OS as the "initrd" file.
I have a RHEL6 image running as a VirtualBox guest and the entire OS (minimal) is contained withing 1GB of disk. I wan't to boot the entire /dev/sda1 "/" (its the only partition on the drive, no swap) as the initrd file and run everything from memory. But grub won't let me. So before I try and re-invent the wheel I thought to post here first.
Details. RHEL 6 as guest in VIrtual BOX. configured with 3Gb memory. HD is single partition and known as /dev/sda1.
at the grub console. I issue
root (hd0,0)
kernel /boot/vmlinuz-2.6.32-19.el6.x86_64 root=/dev/ram0
initrd (hd0,0)
But the grub windows just freezes. Apparently it doesn't like the fact that I've referenced the entire partition (hd0,0) as the initrd. Any thoughts? Or any better boot loader like SYSLINUX?
BTW, I am not worried about the /etc/fstab mentioning /dev/sda1 at this point, I have a fix for that already. I would like to see grub load up the partition as an initrd.
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Jun 11, 2011
A couple of years ago, I got a 2TB drive and installed Debian on it.
I used the standard installation procedure, as I recall, and created three partitions, which are shown below in the output of "fdisk":
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Jul 27, 2010
I have a problem with one hard disk,now it says its Unallocated,and i tried to create a new partition on it,but it says that first i need to create a partition table,but when i create one,choosing msdos label,it doesnt to nothing. I used Gparted in Fedora,how can i create a partition table,so i can use my hard disk again?
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Oct 24, 2010
I have an OSS 11.3/WinXPPro dual boot system. Unfortunately, Windows is a mess because of a botched restoration. I guess I need to start again from scratch. I assume if I attempt to reinstall Windoze that the whole dual boot system is going to get botched up anyway.I would like to know what would be the best approach since I am going to start by installing Windoze to the HD. Here is a readout of what I currently have from gparted:
Partition / File Sys / Mount Point / Flags
/dev/sda1 ntfs /media/sda1
/dev/sda2 extended boot,lba
[code]...
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Jan 13, 2010
My Ubuntu 9.10 is intalled on a partition on my computer HDD. The other partition OS is Windows XP. My Windows uses McAfee as the antiviral program. Granted that linux is at a much less risk for viruses, some still apparently can slide through on incoming emails from Windows computers.
1) Will my Windows partition McAfee protect the entire computer?
2) If not, suggestions for an anti-viral program?
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Apr 27, 2010
had trouble viewing partition table using fdisk, now realised i just cudnt view the whole table from Rescue terminal, please remove this thread, i can't find how ))
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Dec 14, 2010
I need to find a program or a way to edit the partition table and set the values and addresses for the partition boundaries manually. A while ago I had a very messy data loss that left me with a disk full of data but without a partition table (and without file indexes for some of the partitions on the disk). So, for recovery reasons I need to try lots of combinations of starting and ending addresses for each partition. Additionally it would be extra nice if I could do this with a live cd since I don't have the faulty drive attached to a working computer at the moment.
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Jan 27, 2010
I was having trouble creating a USB Startup Disk in Ubuntu and used the command:
sudo dd if=/dev/zero of=/dev/sdb bs=1M count=1
This was a mistake as my USB flash drive was on /dev/sdc. If I am understanding this correctly, the command above deleted the MBR and the partition table. This disk had a single "/storage" partition on it. I googled a solution and found that the "testdisk" program seems to be the most popular solution for things like this. I ran it, selected an "Intel/PC partition" type, set the partition to a non-bootable primary Linux partition, wrote it, and rebooted.
Whenever I run:
sudo mount -t ext3 /dev/sdb1 /storage
I get:
mount: wrong fs type, bad option, bad superblock on /dev/sdb1, missing codepage or helper program, or other error In some cases useful info is found in syslog - try dmesg | tail or so
Dmesg shows the following:
[20246.273941] EXT3-fs error (device sdb1): ext3_check_descriptors: Block bitmap for group 1 not in group (block 0)!
[20246.279376] EXT3-fs: group descriptors corrupted!
When I run:
sudo fdisk -l /dev/sdb
I get:
Disk /dev/sdb: 400.1 GB, 400088457216 bytes
255 heads, 63 sectors/track, 48641 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
[code]....
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Mar 15, 2010
What is the most efficient way to match the partition tables on two different hard disks?
I have saved the partition tables using dd command in linux.
The partition tables are from a Windows system.
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May 20, 2010
This machine has UBUNTU & wINDOWS XP. I'm currently logged into UBUNTU. I was just checking the features of GParted and accidentally clicked Device > Create Partition Table. A default MS-DOS partition table is created. Now if I re-start the Gparted there is nothing. Its showing entire disk as UNALLOCATED space.
Lucky thing is All the drives (C:, D:, E:) are currently mounted and I'm in UBUNTU. I guess its possible to re-create the partition table using current status. how to do this. This is a lab computer. If its not recoverable. I'm completely screwed!
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Dec 1, 2010
I accidentially overwrote the first 1M of my harddisk on linux (using dd). So, the partition-table is gone. I can still access all partition (except the first one) using /dev/sda2 (and so on), so the data is still there. I only need the partition boundaries to restore the table. How can I do this? The Linux-Kernel must still know them because all mount-points still work. fdisk -l /dev/sda doesn't work because it acctualy reads the partition table.
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Jul 7, 2011
Purpose: Python, PHP, WebKit (hopefully), and pyqt development. There is Wubi for Ubuntu, which I am using right now. But Ubuntu 11.04 doesn't work well with my system. There is a Wubi like installer for Puppy Linux. There is Debian Win32 installer, but I think that does touch the partition table. My last option is to simply grab Ubuntu 10.04 LTS and hope it works. Would that be a viable solution considering my needs?
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Feb 12, 2010
Installed rhel 5.3 on dell r710 with md1000 as das.
After creating raid 0 + 1 and rebooting, received an error message below:
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Jan 16, 2011
Do i have any chances to restore my windows partition table after tried to install debian and i used the entire disk instead of the free space i had alocated for this
after i figured out what i did i stoped the installation but was to late ... i answered yes at write partition table changes on disk question
i tried win7 automate recovery tool from dvd and manual install of mbr with no successful result
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Nov 2, 2010
i was trying to make a script to redo a chmod on a folder every 15min. by using crontab (*/15 * * * * /(link to script.sh)
now i didn't know much about the use of the scrips so i just write in the command i would in terminal chmod -R 664 /data/
i try to run the script in terminal and now i can't see the files in that folder. but acording to the folder properties, i am still using the disc space where the data use to be, so the data in the folder doesn't seem to be deleted.
the main focus i want is how to get the data back. scripting and others can come later.
how can i get to see my data again?
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Jun 13, 2010
I setup the hostname for my linux machine to Linux. If I try ping Linux from the same computer it works. If I try from another computer inside my network the host can not be resolved. If I ping the IP from another computer it works.
I take a look in my router at DHCP client list and my linux machine doesn't have the Hostname set up.
How to broadcast the hostname to the entire network?
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Aug 23, 2010
In an attempt to shrink my Data partition on my 500GB drive I had succeded in shrinking it but I think I have broken the partition table as now it refuses to mount. When trying to mount I get this error mount: wrong fs type, bad option, bad superblock on /dev/sda2 I have done some searching around but most fixes haven't worked because they are based on ext2/3 File systems and this partition is ext4. Using Ubuntu 10.04 x64.
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Oct 25, 2010
I used a Kingston 8Gb flash drive as a live usb recently (copied the live iso image over using dd). I am done with the installations and all but seem to have a problem. i cannot format my flash drive. It now shows as a live CD (800 or so mb). Is there a way to fix the partition table back? I guess if i copy a partition table image from some other 8 gb drive that might fix the problem but i dont have any other flash drives. Is there a solution possible or am i stuck with a live usb forever
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Jul 4, 2010
I had to delete my swap partition in order to reinstall win XP, but now I need to reinstall it. I run Ubuntu 10.04 and read that there is a command $ sudo mkswap /dev/sda1. I have about 19 GB of free unpartitioned space left on the hardrive that I want to make into a swap partition. I'm not sure whether I should use sda1 or if the book uses it as an example and if I use it it could wipe away my existing partition with ubuntu installed on it.
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Feb 5, 2011
I've had problems with my Ubuntu partition on my computer, so I have decided that I might have to format the partition or reinstall Ubuntu.
My problem is that I have files on my partition that I would like to save. I've tried every tool I've found that allows Ext2 to be read in Windows, but none of them work for me. The best I have gotten is that I would be able to see the folders in /, but that is it. I was wondering if it was possible to reinstall Ubuntu without having to erase the partition.
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May 20, 2010
I was installing opensuse 11.2 in parallel with windows xp.but during installation suddenly power has gone and after that opensuse is giving me the error message corrupt partition.i am also not able to login in xp. so I decide to reinstall windows, I got the error saying "invalid partition table" after the first restart of windows xp installation.
I tried to use windows system recovery console and committing fixmbr and fixboot commands, but didn't work.
i have 2 window partition(1 for windows and 1 for data).i do,nt want to format 2,nd partition.
How can I installed windows?My plan was first to install windows xp, then opensuse again.
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Feb 8, 2010
I was reading another thread about someone with a bad partition table and I decided to join this forum. I'm not going to take any drastic actions with the partition (/dev/sda3) in question. I am going to wait for instructions on what to do first. I am not very good with Linux and need some hand holding. System: DELL 4550 Dual-Booted with XP and Ubuntu. Works OK, just no swap. Well, here's what I did: I deleted a partition for Windows XP Pro because it was a trial, and it ran out. I then decided to slide the swap partition for the Ubuntu Linux that I dual-boot into over. (If this was successful, I was going to try expanding the root partition to take up the unused space.) I used Gparted on a CD to do this, as I figured it was safe to do.
I now cannot mount the swap space at bootup (and have to go into a backup version of the OS), although I can use Gparted in Linux to execute the "swapon" command, and it appears that it worked because I now see "swapoff" as an option on the context menu. (I actually don't even need a swap partition, except to hibernate.) If I highlight the swap partition and click on "Drive" on Gparted's menu bar and select "Create Partition Table", it will erase all data on /dev/sda, so how do I fix the bad partition table non-destructively?
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Apr 24, 2010
Everything is installed and setup on my system, but when I setup my partitions I chose my Windows partition to be bootable. Can I just use cfdisk to toggle the bootable flag so my linux partition is bootable and rewrite the partition table?
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