Software :: Adding Partitions To An Existing Image File?
Jun 15, 2009
I have 2 image files, image 1 which is 16MB, has multiple partitions, where the boot partition has a 2.4 kernel in it, and image 2, which is 32MB, has a single partition with a 2.6 kernel.
I wish to add those extra partitions from image 1, into image 2, either by adding them within the 32MB(which means cutting back on the size of the existing partition), or adding them to the end of the image(which means extending the image beyond 32MB).
The boot partition for both images is ext2, while the rest of the partitions in image 1 is just raw data.
I'm working with these images in Mandriva Linux 2009.
How can I achieve what I want to do? I think it should be with fdisk and/or mkfs but I'm not sure how? I've tried using gparted to regenerate the partitions from a new image file with the following steps:
dd if=/dev/zero of=image.img bs=32M count=1
gparted image.img
Then I created a 30M boot partition. However, I'm not able to create the rest of the partitions as they are smaller than 1MB, which seems to be the min supported. I need precise control of the start/ending sectors of each partition.
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Dec 16, 2015
I am trying to upload some pics on my Facebook account using Firefox. When I click on Facebook's file upload icon, Firefox bring up a 'File Upload' window. I noticed that smaller image file is previewed on the lower right hand corner, while bigger image file is not. Is there anyway I can change this behavior or maybe change what Firefox is using to browse my files?
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Aug 26, 2010
I've been asked by my professor to add the list of users to a linux server (not sure of the OS type I think he said debian) but anyway. He gave me this script to add users.
Code: #!/bin/bash
# Script to add a user to Linux system
if [ $(id -u) -eq 0 ]; then
read -p "Enter username : " username
read -s -p "Enter password : " password
egrep "^$username" /etc/passwd >/dev/null
if [ $? -eq 0 ]; then
echo "$username exists!"
exit 1
else
pass=$(perl -e 'print crypt($ARGV[0], "password")' $password)
useradd -m -p $pass $username
[ $? -eq 0 ] && echo "User has been added to system!" || echo "Failed to add a user!"
fi
else
echo "Only root may add a user to the system"
exit 2
fi
I need to see if I can get this script to read a file that list the usernames and their passwords using the pipe command (or some similar command) so I can just do it in one batch. I've done some searching but there are so many vairiations of the code that I've confused myself. Also, I'm not too familiar with linux, it's been a few years since I've used it but in the prior script, I need to add the users to an existing group named "forensics". Which line would I change/add in order to do this?
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Oct 4, 2010
I want to move my windows XP image from my old PC's C: and put it onto my new PC, with Ubuntu 9.10 already on it. Will this procedure work?First I'll burn an iso image of the windows C: to a CD or DVD, using the Win XP computer. Then, I'll load a (live Ubuntu), from my thumb drive and boot into my new PC, and move the Ubuntu partition to another location, in order to create the partition needed to install a Windows OS. I know that Windows, God bless them, needs to be first on the HDD. This procedure will destroy the grub loader.Then rebooting should load correctly to the grub bootloader, right?
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Mar 19, 2010
i have two scripts called:
"type" & "selecttype".
In "type" i have only the name of the products ex.: product1 & product2. Now, i have to ADD product3 which includes sub categories: productA, productB, productC, productD, productE, productF. so my New type script (menu) looks as below:
1) product1
2) product2
3) product3
and my current selectype looks how can I add the new product3 argument with all other multiple selections (productA, productB, productC, productD, productE, productF) into my current selectype (as below which is set only for product1 & product2), so when a user select: 3) product3 from "type" would get a new menu of all the sub categories, and the script would process the new additional arguments.
Here is the copy of my selectype script:
#!/bin/sh
echo SELECTTYPE
export -n selecttypechoice
if [ "${upgrade}" == "yes" ] ; then
[code]....
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Jul 31, 2011
I have an existing Fedora 15 system installed from scratch.I've ordered a harddrive identical to my SDA and want to add it to my existing system as a RAID1 setup.I've googled around and cannot find recent clear instructions how to accomplish this. I don't want to reinstall everything from scratch. It should be possible to create the RAID1 using the existing data disk and then mirror everything up?
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Mar 11, 2011
After spending almost 100 hours trying to get my MP3 player working I have decided to add an XP partition and use it there.I am an Ubuntu newbie and am finding the whole "new-dos" experience too frustrating for words.Can someone please explain in ENGLISH for an IDIOT how I can do this.
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Nov 30, 2010
Here is the output of disk free space
# df -k
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/mapper/VolGroup00-LogVol00 940287756 3320512 888432924 1% /
/dev/sda1 101086 21142 74725 23% /boot
tmpfs 7730504 0 7730504 0% /dev/shm
/dev/sdb1 2884158292 74736 273757667 1% /data
Now,I wanna add a large amount of memory in sdb1 to sda1 to increase the available memory.Is there a way I can do this?
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Dec 22, 2010
I have an existing network that connects to the 'net via a Linux-based firewall. That system has two ethernet interfaces: one to the DSL modem and the other to the internal switch. Future plans were for adding a second "internal" interface with the idea of moving servers into that (think DMZ). But while I was planning for that, the missus has decided she wants to pick up a Windows laptop and would like to be able to use it wirelessly at home. I have access to a (free!) Netgear WGR614L and was hoping it would work. Unfortunately, I'm unsure how to add the wireless capability to our network.
Questions:
Is it best -- or even possible -- to use one the wireless router for this?
Is it possible to merely hang the Netgear router off the internal switch and set it up for the wireless users? Or...
Would I need to add another ethernet interface to the firewall and hang the router off that? The address of this new interface would act as the default route for the wireless users. Then I'd need to (I assume) add more rules to the iptables configuration to deal with the new network. (I sort of like this option -- it it's actually feasible -- as I can easily shut down any wireless access by logging into the firewall and stopping the interface connecting the wireless router.)
I've taken a look at the setup guide on the CD that came with the router and it assumes that you have a modem connecting your PC to the internet. The instructions have you placing the wireless router between the modem and that PC. For our network, that would have the wireless access coming into the "dirty" side of the firewall. (Not what I would like.)
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Jul 14, 2011
When I was installing Ubuntu onto my laptop, I probably did a mistake partitioning the hard drive by selecting align to: nothing, because I didn't want to have unallocated spaces between partitions. However, this resulted in partitions' misalignment as no one partition in the extended one (including the one that is extended) doesn't start on a physical sector boundary. As I already have much data on the HDD and I don't have another one that big, it is impossible for me to erase existing partitions and then copy the data back. So, is there please a way to get the partitions aligned properly without deleting them?
Here is output from fdisk -lu:
Disk /dev/sda: 750.2 GB, 750156374016 bytes
255 heads, 63 sectors/track, 91201 cylinders, total 1465149168 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk identifier: 0xd58c6e9d
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Apr 18, 2011
Currently, I have a dual boot set up with Ubuntu and PCLinuxOS. I have a separate / and /home partition for both (ext4). When I run the installer, it claims the whole disc is empty. I tried the expert option and loaded every module that seemed to have to do with partitioning, but that made no change. Is there some simple option I am missing that might help it recognize that there are existing partitions? This was the "testing" installer if that makes any difference.
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Mar 31, 2010
I installed Ubuntu in a dual-boot with Windows 7, and installed the bootloader (GRUB? However, I have some weird Windows XP Embedded entry! I also have a lot of different boot options for Ubuntu. All I want is my Windows 7 entry (picked up as Windows Vista) and my main Ubuntu entry. How can I edit the bootloader entries (remove some existing ones, not adding any) so I have only two on there?
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Mar 19, 2011
Have 3 linux distros on 3 hard drives. lost one distro from boot loader. how do I restore missing distro to boot loader? drive was not written to when one distro (drive) was updated.Example drives a, b, and c each had listing on boot loader, now after upgrade to distro on drive b order on boot loader is drive b then a and none for c.
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Nov 9, 2010
I have a running RHEL5 system, which has two physical disk drives, but is currently running on a single drive of the pair. The single drive the system is running on contains a root/boot partition and a swap partition. I would like to be able to add a mirror drive to this existing setup without having to disturb the running system (much). That is, I don't want to have to completely dump, reinstall (creating the mirror on the way up), and reload from backup media if I can avoid it. I have seen procedures that go as follows:
- the "extra drive" (the one not being used as the current root/boot device) is first brought under LVM control as a root object with one physical mirror attached.
- the data from the running root/boot drive is rsync-ed over to the LVM-controlled half-mirror, and boot records added.
- System rebooted on newly created half-mirror.
- Original root prepped to be second side of LVM mirrored root, and is added in.
Can one boot from an LVM disk directly? There seems to be some question on this that came up in other lists I had read online.
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Mar 13, 2011
As every time when a new OpenSuse Version arrives, I tried to install 11.4 (I have 11.2 ans 11.3 on separate partitions, + a Windows 7 that already was there when I bought my computer). Previous versions always recognized existing installations and added them to the Grub list, 11.4 doesen't... it merely recognizes the Windows. This is blocking me from testing it before adopting, as I always do, as I don't know how to add these entries manually; I'm too afraid not to be able to add the entries once installed, and not being able to use my older versions in case I have troubles. What went wrong in this release that developers forgot this important part? How I could manually add my entries for 11.2 and 11.3?
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Sep 2, 2010
I installed on LUKS+LVM, and I want to preserve my /home without moving the data to any external media (I don't have any). My partition layout is as follows:
sda1: /boot
sda2: encrypted volume (sda2_crypt)
sda2_crypt: LVM volume group, with /, swap and /home.
Having many previous (sad) experiences with completely borked experiments and data loss, I've decided to try the trick in VirtualBox first. I've installed Debian (testing, netinst, Dec 2009) with encrypted LVM, and touch'd a file in my $HOME so that I'd know if the contents were preserved. Then proceeded to install Ubuntu 10.04.1 from the alternative CD. After the installer started and loaded some of the basic components (but before it entered the partitioner) I've switched to a shell and read a scroll of identification:
Code:
$ cryptsetup luksOpen /dev/sda2 sda2_crypt
[entered the passphrase]
$ lvm vgscan
$ lvm lvscan
* Another concern; after the installation, I've noticed that the contents of my $HOME were overwritten by Ubuntu's default skeleton (pictures, desktop, music, templates, and other crap). The control file I've touch'd after installing Debian wasn't there.
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Nov 26, 2010
I want to install Linux Mint, but it cannot detect my existing partitions.I have a 500GB HDD, splitted in three partitions, on c: having a Win7 installed, and on d: and e: a lot of personal data.I tried to install Linux Mint, but the installer says there is no other OS installed and there is no any partition at all. I run the Linux Mint in live mode, Gparted says: "unallocated 465.76GiB". But when I go to Menu -> Computer then I can see each and every partition, I can mount them and browse them properly.I tried Ubuntu 10.04 and 10.10 with the same result as described above.
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Apr 21, 2011
Is there an easy way to add SATA drives to an existing system and have them m automatically at boot?So far I've been able to create a partition and format but they never mount at boot.What do I have to put in fstab so it will work?Also, since RAID doesn't work in Debian, is it possible to make two drives mount at the same folder
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Jan 8, 2011
I have reinstalled XP and conseqently messed up Grub and lost Ubuntu. I am trying to do a fresh install but the installer insists on trying to overwrite the whole disk. I downloaded the alternate instal ISO as this has got over this problem in the past but this also wanted to overwrite the whole disk. It recognises the Sata Raid array as being nfts (this is my main data disk) but it doesn't recognise the existing partitions on my main disk:
18G windows
18G Old Ubuntu
113G nfts data disk
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Jul 28, 2010
I've configured my RHEL system to be used as tftp server. I've configured NFS,VSFTPD and DHCP too. Everything works fine, the clients are able to boot from PXE and get the kickstart information from the server and the installation completes successfully. Now the problem is the RHEL installation removes all the existing windows partitions. How do I make my system a dual boot? I've configured my kickstart to use "Remove existing Linux Partitions" and the problem still persists.
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Aug 31, 2009
I have an issue with VirtualBox. My current setup is a machine running Fedora 10 with 1 Tb of disk space. I installed VirtualBox and created a fixed size disk image of 50 Gb for a virtual Windows XP64 OS. Now I require more disk space with additional 100 Gb. Is there a way to add another partition to the virtualized OS as if I added a new hard drive to the system?
In other words, I'd like to create another disk image by using additional space from the same physical drive and mount it under Windows XP in VirtualBox.
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Aug 30, 2010
I've been running Fedora Core 3 on a P4 450 as a personal Samba server and domain controller. It's worked so well that I never gave any thought to upgrading. The other night, I noticed that Up To Date wasn't working, and that Firefox was acting strangely. I made the FC 13 installation disks, whereupon I found out that the system didn't have enough memory.
Rather than mess with the P3 450 any more, instead I swapped main boards and decided to do an upgrade. it even possible to do an "upgrade" from 3 to 13? Is it possible to maintain my existing partitions/settings. I've backed up everything that I'd be too unhappy to lose. It's a two drive system and the second is nothing but data, none of it catastrophic to lose, but at least disappointing. I'd like to keep the data and settings on the primary disk, but won't cry if I can't.
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Feb 6, 2010
I am trying to install ubuntu 9.10 on an system which already has XP installed. I had used Ubuntu earlier but when I installed XP ( in an attempt to dual boot) I seem to have lost the Ubuntu Installation. But the problem is GParted or the Ubuntu installer dont recognize the existing partitions but instead see it as an empty unallocated drive. I have a 120GB hard disk. Below is the extract after fdisk:
Disk /dev/sda: 120.0 GB, 120034123776 bytes
255 heads, 63 sectors/track, 14593 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x4fa8a60b
Disk /dev/sda: 120.0 GB, 120034123776 bytes
255 heads, 63 sectors/track, 14593 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x4fa8a60b .....
Also this is how the disk Utility in Ubuntu sees my system: ( See attachment)
[IMG]file:///D:/Screenshot.png[/IMG]
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Jul 17, 2010
I have been given Toshiba Tecra S11 with windows 7 running on it to install Ubuntu 10.04. Toshiba has a bunch of utilities running on the machine set up as dev/sda1, dev/sda, dev/sda3 and dev/sda4. I do not know where to start because of these existing partitions.
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Apr 24, 2011
Its from a Synology Box with 3 disks, which one is damaged. But this disk wasnt in use.Take a look on the raid-size of 493 GB - and the both available disks with 250GB..)
On the others there were a linear raid. during this damaged disk the synology-device tells me, that the volume was crashed.But it look like, that this disk was not mounted into this volume.Quote:
DiskStation> mdadm --detail /dev/md2
/dev/md2:
Version : 00.90
[code]....
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Jul 9, 2011
I have a BIG extended partition. It's at about 750Gb. Aside from that, I have 2 unallocated spaces, one at 240Gb and one at 5Gb. I want to make one of my storage drives bigger, and so that I can take advantage of all the space I have. (Those 250Gb have been unused for ages. I want to use them for my growing libraries.) So I wonder: would it be safe to put these smaller "chunks" into the extended partition, and still have a working systen? I don't want to mess it all up.
Also, can I safely resize a partition, like adding the extra space, without touching the existing data? I'm not exactly sure how the resize/move function in GParted works. Will it wipe and extend or only extend it by adding it? It would be nice to have these questions answered. Also, if it's to any help, this is my partition table as of now:
[Code]....
As for the first entries, they're unallocated. They're the primary drives, but they don't exist. I'm actually considering to move my partitions out of the extended one, because I only have 3 partitions that I use and will ever use. But if the extended partition is not a problem, I will just keep it this way.
I'd imagine that I first extend the extended partition to consume the unallocated space, and then I move it all to the end of the partition, and then resize sda7 to consume it, and get a 750Gb partition. Can this be done without loss of data?
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Mar 22, 2010
I have just finished installing (after hard work ) Centos 5.4 x86 configured with Snort & Snorby as frontend web, i would like to create from this installation kind of image that could fit to almost any hardware type.
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Jan 3, 2011
I had set up 4 virtual machines on centos 5.5 system where I directed the image locations to an external storage. I have lost the image files in the storage, but I have the image files that were copied from the virtual machine image location. I want to put up the same system on the same computer by copying these backup images. However, when I copy the image file to the same exact location and start the corresponding virtual machine I get "no bootable disk" error. When I increase the size of the image using "qemu-img" commands, I can get rid of this error, but get "error reading disk" error. Is there a way to overcome these problems, or is it not possible to restore a virtual machine by copying the machine image file under ..../xen/images?
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Apr 18, 2010
I am planning to install 10.4 when it arrives. And am not going to upgrade because i upgraded from 9.04 to 9.10 so now i need to refresh the system.But I have all my partitions except root using lvm2 logical volumes. My question is : What is the safest procedure to install 10.4 on an existing lvm2 without losing my files/partitions
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Jan 10, 2011
I'm looking for a way to create a live cd from the existing image. I'd like to include some sort of installer, I've found gui remaster utilities, but none for the shell only. I need to setup the image to automatically login, so the user could just pop in the cd and start it up without a monitor or keyboard.
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