Ubuntu Installation :: How To Boot Casper Drive To RAM
Feb 21, 2011
I've made myself a multiboot usb drive and looking to add ubuntu to it. I've created a live system and its respective casper drive, made the changes I want to it and now looking to make the whole system boot to ram including the casper drive so I can use the same usb drive in multiple machines instead of having to have multiple usb pens.
I've added the toram option in the txt.cfg file but only the operating system (filesystem.squashfs) goes into ram so when I take the usb out, the files on the casper drive are lost.
Could you tell me either how to boot the casper drive to ram or how to combine or merge the filesystem.squash and the casper-rw drive.
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Aug 18, 2011
I've just created a bootdisk (ssd) with multiples Squasfs images I can choose to boot at the Grub2 menu.No I tried to put the sqfs-images into a ramdisk. Therefore I edited the script '/usr/share/initramfstools/ scripts/ casper'. I used the 'dirty hacks'in the ubuntuforums.org/boottoram howto but I suited them for my needs.Now the Systems stops after the kernel and doesn't find a root system.
The sqfs-image without the modification of the 'casper'-script still boots but doesn't load into ram completely.
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Oct 18, 2010
I am using Ubuntu on a memory stick and it is loading Casper.
When loading it ask for the language that you prefer and then loads.
I would like to have be default to english and boot straight into Ubuntu live.
Also posted another issue that I was having to where when it boots, is displays this:
PHP Code:
And hangs for about a minute and them boots.
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Oct 25, 2010
I am trying to make a usb installed ubuntu(with persistent) unchangeable. The usb needs to use the data from the persistent casper-rw, but in the same time not be able to change the casper-rw. I have tried installing ubuntu on a SD-card, and then simply lock the SD-card. So fine so good, but it just wont bootup then - it says "Aufs mount failed".
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Nov 23, 2010
I have recently been experimenting with installing Ubuntu 10.10 on a USB/Flash drive, and have finally stumbled on the "Universal USB Installer", using a so-called "Casper" file for persistence.Now I wanted to make the Casper file bigger, and found this article:I was reading it, and got confused at this part:"This tutorial assumes that you have already created a bootable USB Flash Drive that contains Ubuntu or an Ubuntu based Live Distro like Xubuntu, Kubuntu, Linux Mint, Crunchbang, etc. You should delete any existing casper-rw file from the drive to free up all available space before proceeding.
1. Restart your Computer, booting from an Ubuntu Live CD"Do they mean that you have to make 1 flash drive that was created with the Universal USB Installer, and has a Casper file on it, AND you have a Live CD from which you operate?If so, could I use one flash drive that acts like a Live CD (without the Casper file), and create another flash drive that DOES have the Casper file, and then boot from the one without, and follow the instructions? (Sorry for the complex sentence, didn't know how other to put it...)
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May 25, 2011
I'm using an acer aspire one netbook and attempting to install ubuntu 11.04 on it using flash drive. I extracted the installer using the universal usb installer. Anyway as soon as I get to the ubuntu installer screen it won't let the installer begin and says this: "could not find kernel img:/casper/vmlinuz. I have tried many things including typing in this:"vmlinuz initrd.img" and extracting the data to the flash drive again but nothing has worked.
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May 7, 2011
I have had a dual boot on my system since first trying Ubuntu a few months ago.I had a few problems when i upgraded to 11.04 (mainly due to the new desktop Unity), but after some great help here, we had the old desktop running again.I have Windows running on my spare Computer in case i should need it for any reason, though can not think of one lol Now i am used to Ubuntu (from the using side, get lost in terminal etc so here i come if i need help) i decided i would totally commit my main computer to Ubuntu.I downloaded the latest iso from the Ubuntu site, and burnt it to CD, inserted in my main computer & rebooted. It goes past the first purple ubuntu page (hit a key to choose language & also get a selection Menu) then goes to black screen and i get:
BusyBox v1.17.1 (ubuntu 1:1.17.1-10ubuntu1) built-in shell (ash)Enter 'help' for a list of built-in commands.(initramfs) mount: mounting /dev/loop0 on //silesystem.squashfs failed: Input/output errorCan not mount /dev/loop0 (/cdrom/casper/filesystem.squashfs) on //filesystem.squashfs(hope i typed that i correctly)I have burnt the iso image numerous times, using different disks, speed (from x4 - x52) and burning programs
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Jun 11, 2011
Back in Febuary, my wife bought a Toshiba Satilite from Wal-Mart and a few days ago the hard drive got toasted. So now I'm using an 8gig usb drive as the boot drive. I also have 2 other flash drives for downloads and such but overall I am very pleased.
I'm running 11.04 32 bit and was wandering if 64 bit made a difference. I've got 4 gigs of ddr3. It's slow to boot, but once it's running, it's faster then Windows 7. Very nice.
Is there anything I should chage, use, since I'm running it off a flash drive??
I have 3 seperat drives, 2 x 16 gigs and an 8 gig, and was wandering which one would be best for booting off of? What do I look for??
Here's what I got:
00:00.0 Host bridge: Advanced Micro Devices [AMD] RS880 Host Bridge
00:01.0 PCI bridge: Toshiba America Info Systems Device 9602
00:06.0 PCI bridge: Advanced Micro Devices [AMD] RS780 PCI to PCI bridge (PCIE port 2)
[Code]....
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Oct 20, 2010
I downloaded the Fedora live dvd iso file, burned it to a dvd. I was wondering if I forgot to do something or did I do something wrong. When I try to install from the dvd I get this error message, isoLinux: Disk error 80 , AX = 42A7 , drive 9F Boot Failed: press key to retry When I press a key to retry I get the same error. I also tried to install virtual pc and get not boot disk found.
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Feb 7, 2011
Trying to install 10.04.1 Kubuntu desktop to Toshiba T110 laptop running Win 7, 4 Gig Ram, 32 bit o/s. Downloaded iso from Ubuntu web site and burnt DVD. No matter what I do I get the error message "cannot mount /dev/lop0 (/cdrom/casper/filesystem. squashfs" etc. Searched by Google and this forum, tried various remedies Unebootin; USB drive boot up etc etc; still get same message. Is there a workaround for what seems to be a fairly common install problem?
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Aug 18, 2010
Whenever I tried to do a sudo update-initramfs -u I get the following message. Code:update-initramfs: Generating /boot/initrd.img-2.6.32-24-generic.: 6: Can't open /scripts/casper-functionsI can't seem to find this casper-functions,I can't update my kernel properly.
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Jul 29, 2011
I am trying to put Ubuntu on my USB.
I use the tool here (as recomended by Ubuntu) to put it on my USB. It seems to work well up until it says "Data error in 'casper/filesystem.squashfs'. File is broken".
I tried to install it anyways (I know how to work the BIOS and everything) and the installation just stops with an error message.
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Feb 1, 2010
Besides Puppy or DSL, is there a full "regular" Linux distro that is friendly to be installed on a USB flash drive that won't wear it out? I want to be able to upgrade it, not just keep minor persistent changes like the methods outlined in pendrivelinux.com. The loopback file would fill out too much if I actually did a apt-get update, so I want something that installs natively on a USB flash drive with EXT3/EXT4, etc.
However, is there a distro that sends the log to a tmp ram drive, for instance? Something made *not* to wear out a USB drive too fast? I want a truly portable Linux on a UFD, not a semi-attempt that uses casper.
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Mar 28, 2010
I downloaded the 9.10 desktop image, and loaded it onto a 2GB USB drive, I am about to try to boot from it on my Powermac G4, if I don't succeed
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Mar 9, 2010
I recently put together a computer with scrap parts that I have. It had no operating system on it at all. I downloaded Ubuntu on a different computer and burned it to a CD (I also verified the hash). I put the disk in and followed the instructions. Then when it wanted me to take the disc out and reboot I did so and clicked ok and it rebooted. I changed the boot order so that 0-HDD was first, and it said that the disk failed and wanted me to put in the system cd. Anybody have any solutions?
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Mar 13, 2010
I was wondering wether it is possible to boot an eee 901 from an external usb cd drive? (for those who are unfamiliar with the eee, it has no internal cd drive) The cd drive is not listed in the bios boot menu.
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Apr 26, 2010
I am currently using an Eee PC 1005HA with Ubuntu installed. I'd like to dual boot with Windows XP. How can I do this without a CD drive? I have an external hard drive that I used to install Ubuntu in the first place and a Windows XP install CD with key.
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May 21, 2010
I have an Acer Aspire One ZG5 netbook. I have Windows XP home installed. I downloaded Ubuntu 10.04 netbook edition and put it on USB drive by Unetbootin. I booted from usb and it worked perfectly. I then installed Ubuntu to my hard drive from the live desktop and nothing went wrong. Perfect so far. Next, i shut down my netbook and took the usb drive out. I booted my netbook and it started loading Windows XP, didn't ask me if i want to use Ubuntu. I shut down the computer and pressed F5 while booting. It asked me what i want to do. I selected 'go back to OS selection' and i could only choose Windows XP from there. It was the only thing i could choose.
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Jul 17, 2010
Is there an easy way to do this? I thought about copying my laptopard drive to my internal TB hard drive, but I since I have a spare laptop HD anyway and my case has a slot for laptop HDDs I think I am just going to throw it into the case as a second hard drive.ow can I add that partition to the boot loader on my other hard drive without using RAID?
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Jul 26, 2010
I have a dell latitude c400. 10.4 keeps freezing and I think its because my graphics card is messing up. How can I 'roll back' to 9.10 without a cd drive and I cant boot from usb.
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Aug 1, 2010
I have been looking around and cant really find a guide on how to do this, I have found guides on how-to put a live CD on a usb flash drive, but this isnt want i want to doI want to use a high-end USB flash drive as a sort of SSD to put my boot partition on, I think if i do this it will decrease my boot time significantly. If it works i am going to take the back case off of my laptop and install the guts of the flash drive inside my laptop, i think the mod would be cool, i just dont know how to do it on the software side
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Aug 2, 2010
I've tried to boot my Ubuntu 10.04 from my disc drive, and installing it in Windows like an app, but every time I do my screen looks like it went bad. The top two inches are the way it should be but the rest is white, and I can't see anything. Is there some setting on my comp I need to adjust or did I just get a bad disc? The disc doesn't have a scratch on it and I've cleaned twice now.
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Sep 5, 2010
I can boot and run the live CD "ubuntu-10.04.1-desktop-amd64." Verified checksum and is ok
When I install it via CD or after running in CD mode and installing from the desktop the system will not boot. 250gig SATA drive.I can't for the life of me get it to boot after installation. It keeps dropping into 'initramfs' I even tried installing "ubuntu-10.04.1-server-amd64" and get the same result.Is it something to do with the SATA drive?
Memory 4GiB
Processor AMD Athlon Processor LE-1660
NVIDIA
Quote:
Boot Info Script 0.55 dated February 15th, 2010
============================= Boot Info Summary: ==============================
=> Grub 2 is installed in the MBR of /dev/sde and looks on the same drive in
partition #1 for /boot/grub.
[code]....
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Oct 23, 2010
After many failed attempts, I finally got Ubuntu on my Flash Drive (16gb). This was completed by downloading Ubuntu Desktop Edition (ubuntu.com), and using The Universal USB Installer to put the .iso on my Flash Drive.
When I try to boot my PC from the flash drive, I get a black screen saying...
"No DEFAULT or UI configuration directive found! Boot:"
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Dec 21, 2010
I am trying to a friend setup his computer to dual boot Windows and Ubuntu. While the CD drive works (and can burn cds, rip cds, play cds, etc with no noticible impairment of function), it is unresponsive before the Operating System is loaded. What I mean is that when we put in a bootable cd (we've tried Ubuntu, Windows 7, Puppy Linux, gparted, Windows Recovery Disk) and go through the boot menu right after the computer manufacturer screen (HP), and select CD-Rom Drive, the screen goes black with the exception of a blinking white cursor. The computer will boot from the hard drive, and we managed to boot and install Ubuntu from a flash drive just fine.
Is there any reason why a CD drive might do this? It once, years ago, had a large amount of soda spilled in it, but I would imagine if anything was broken hardware-wise, the drive just wouldn't work at all. I don't know that much about hardware (or anything, really), but the only thing I could think of is that it could have something to do with an OS loading a more complete set of drivers than the BIOS.
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Feb 28, 2011
I have a HP PC that I have installed a PCI SATA controller in. The PC doesn't support booting from the card.... So here is what I would like to do. (btw..I'm a seasoned noob on Linux.) I would like to be able to boot ubuntu 10.10 from a usb pin drive 2Gb to a point where the kernal can recognize the SATA drive then start the OS from the SATA HDD.
I can see and access the drive if I boot to a live CD but when I install it won't boot because the PC's bios does not see the PCI card. This has to be possible but my Google foo isn't strong enough to find out how. Would a simple GRUB install on the pen drive work?
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Mar 3, 2011
I want to know if/how I can copy a verified Live CD to an external HDD and then install that HDD in another computer in order to do a full install? I have an old Toshiba laptop with a dead CD drive and the "no legacy" BIOS (should be called "no access" that cannot boot from USB. I'm wondering if I can either copy the live CD to that HDD (external) then install that drive in the laptop and use it to do a full install, or if I can do a full install to the external and install it to the laptop and have it work? IOW, is there any way to get Ubuntu to detect a new environment and reconfigure itself?
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May 18, 2011
I have my computer set up with 2 40 GB drives (IDE) and 1 500 GB(SATA). One 40 GB drive for Windows XP, 1 40 for Ubuntu and the 500 GB for storage for both (formatted NTFS).
I am building a computer for my wife and want to use 1 80 GB IDE drive instead of 2 40s and a 320 GB IDE for storage (the storage drive is irrelevant to my issue). These are all parts I have laying around. I installed XP and partitioned the 80 gig into 2 40 gig partitions during the installation.
When I go to install ubuntu, it shows me all the partitions of both drives but gives me no option (other than manual) for using the 2nd half of the 80 gig for installation.
I need to know how to set it up manually. It gives me a slider to divide the 2nd half of the 80 GB drive into 2, but I don't know what size to make them. Also when I look at my 40 GB drive from my computer it show 3 divisions: "39 GB ext4", "ext 1.7 GB" and "1.7 GB swap space".
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Jun 26, 2011
am using Ubuntu 11.04 and disconnected that hard drive to load Debian on a second hard drive. Now when I plug in the Ubuntu drive it will not load. Is this a problem with "grub" and what must I do to boot my original Ubuntu drive?
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Mar 7, 2010
I had a little mission this week-end = my girlfriends 250Gb SATA hard drive laptop crashed this week (video card failure), and I wanted to help her by getting all her valuable data on an old Pachard Bell EasyNote laptop I have hanging around.One big problem : this laptop does not boot on CD drive, nor USB drive, and does not have a Floppy slot. There is an old hard drive with a lot of bad sectors in it, and I have a 80Gb IDE drive I want to put in.
My tools : a SATA to USB adapter, a IDE to USB adapter, a Ubuntu 9.10 LiveCD, a Windows7-run netbook, and the web.My goal : to configure the hard drive in some sort for it to install Ubuntu on boot (much like when you buy a laptop : the OS installs on first boot).I quickly found this to be impossible, as there is no Ubuntu pre-install format available (or that I found). So the next step was to get a complete install on the new hard drive, one way or another.First I tried cloning the 250SATA drive on the 80GB IDE drive, but this clearly led to an error (Grub error 18. It was looking for a 250Gb drive where I only fed him 80.)
Next step was to get some kind of LiveCD-like boot from the hard drive. This is made possible by using the UNetBootIn tool and the related Ubuntu Documentation. I met some problems during the real Ubuntu Install at the point where the laptop tried to format the drive the CD image was on. This other Ubuntu Guide gives a few workarounds and tweaks for that situation, but they didn't solve the issue for me.Final idea was to Live-CD like boot from the rubbish hard drive and install the system on the new hard drive plugged in through USB. This failed because the computer does not boot LiveCD-like on the old hard drive...
I'm kinda stuck on what to do now. I still don't have a nice boot on the computer (only a Live-CD like obtained with the UNetBootIn tool), and am still not capable of doing a "real" install on the Laptop.I'm aware that solving the boot-from-cd issue would bring me a faster solution (maybe!), but the idea was to get a hang on this so that I can install Ubuntu on my CD-free netbook soon (Although my netbook might very well boot on USB, but still).My final and last idea is to go buy some kind of adapter that would let me plug the two hard drives into the laptop at the same time, LiveCD-like boot on the new one, install Ubuntu on the old one (connected directly via IDE) and then clone the old one to the new one. But I wish I don't have to go to that extreme ;o)Writing this I just thought of one thing : I could install Live-CD like Ubuntu on a flash drive, launch it on my netbook and install Ubuntu on the new hard drive connected through USB... Would that work?
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