Ubuntu Installation :: 'How To Boot From USB Flash Drive / Formatted Ext4'
Apr 29, 2010
how to boot Ubuntu from USB flash drive that is formatted ext4?That is, making a portable ubuntu. But not merely a LiveUSB created using the 'Universal USB Installer' or 'UNetbootin' because the LiveUSBs created using these applications are formatted in FAT32 and uses a persistent partition just to save the changes and files.If I have your attention, what we want to achieve is a portable and bootable Ubuntu in a flash drive that is formatted in ext4.
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Jun 4, 2010
Last night I made the mistake of formatting my media drive. Before the format, it was ext4. then I formatted it to ext4 again because I wasn't paying attention to what I was doing(this mistake only gets made once). Now im looking for away to recover any/all of my data. The drive in question is 1tb. I have not written any new files to this drive.
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Oct 12, 2010
I recently downloaded Ubuntu 10.10 and installed it onto a 250gb removable disk using a 240gb ext4 partition and a 10gb swap space.
I am using a Sony VAIO (VPCF115FM) and it would appear that my BIOS is very limited as to bootup options. I can only choose internal HDD/external device/network/CD Drive. I cannot check whether or not my BIOS is able to recognize the external ext4 (but from experiences so far it would seem that it cannot)
After much tinkering i got my internal windows 7 to recognize the drive as ext3 (Used ext2 volume manager to add a registry entry for the drive). However, I need to unplug and replug in the drive for it to be recognized, if i leave it plugged in from booting it shows up as unrecognized.
Summary: I would like to be able to boot up Ubuntu off this external drive, but as of now it would appear that my BIOS is unable to recognize the drive. Windows can recognize it as ext3, and I can access contents of the ubuntu partition from windows.
how I could get this working that would be fantastic, i've tried formatting the drive to other filesystems (ext3,ext2,XFS) but none of them would work either, so any information would be sweet
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Feb 18, 2011
I have a netbook running Ubuntu Netbook Edition and I would like a USB flash drive to be automatically mounted whenever I plug it in. The drive is FAT formatted. It mounts when I plug it in but all files are only writable by my user, other users only have read access. I understand that I need to add a corresponding entry to the /etc/fstab file. I've added the following so far:/dev/sdb1 /mnt/USB_DRIVE vfat
Firstly, is that appropriate so far? I've created /mnt/USB_DRIVE as root. Next, I'm not sure what options I should be finishing the line with, especially to get all users to be able to write to the drive.
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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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Jan 26, 2011
I want to install Ubuntu to a USB Flash drive (so I have my Desktop everywhere and can customize it as I want). I'm still choosing what's the best filesystem for the USB; Ext2 with no journaling or Ext4 with journaling but performance increase? I know that journaling will probably reduce the life of the USB flash drive dramatically, so is Ext2 the obvious choice? Or is it a bad idea to install Linux (Ubuntu probably) on a USB Flash drive? I tried running a live CD from the USB drive, but it wasn't very customizable - which is the point of carrying my OS with me.
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Nov 13, 2010
I've a flash drive that it's partitions formatted as fat32, ex4 and encrypted ext4. It works fine on the system that I've formatted it on, but when I try to use it on my other Linux distributions I get these problems:
* ext4 partition accessible by root only.
* after entering my pass-phrase I get
Code: /dev/mapper/udisks-luks-uuid-***** uid1000 is mounted What I'm asking for is a way to create the ext4 file system without being attached to some UID and to be accessible by any user.
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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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Mar 7, 2011
Is there anyway I can recover my files that used to be on a FAT partition which I recently formatted to ext4?
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Sep 12, 2010
So here is my situation: I am unable to boot from a CD I am unable to boot from a Flash Drive I have Ubuntu installed with Wubi, and can boot into it successfully I have a Ubuntu Installation CD I have created a partition into which I'd like to install Ubuntu. Is it possible to boot into my current Wubi Ubuntu installation, and then launch the Ubuntu installer from the installation CD, and then direct this installation to the empty partition I have waiting?
Basically, I think my question is this: Does anybody know what file to run manually from the CD in order to launch the installer?
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Mar 31, 2011
I have built a small spare computer and I dont have a cd/dvd rom. I would like to install ubuntu 10.04 from a flash drive. The bios is AwardBios 3.01. I cant seem to boot from flash drive. I disable everything in the boot menu at the exeption of "removable device". In this sub menu I have; "LS120", "ZIP-100" and "ATAPI MO". In the "other boot device" menu I have "SCSI BOOT DEVICE". I have also changed USB to "primary" instead of "auto". There could also be a chance that I havent prepared the files on the flash drive properly.
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Apr 29, 2011
I downloaded 11.04 last night and installed it onto a flash drive, but after I restart the computer and select the USB to boot first, it comes up with a boot error. I tried this on another computer to see if the iso didn't install right but it works completely fine. I don't know what else to do. I tried reinstalling the iso and redownloading also just for the hell of it.
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Jun 28, 2011
I am trying to install ubuntu 11.04 from a bootable USB flash drive. As i couldnt create the USB using the inbuilt usb creator which came with the .iso file i had downloaded, i had used universal USB installer to create it. It took a lot of time to created the bootable pendrive.
I had copied the contents of the pendrive thus created to a folder on my hard disk and named it 'PENDRIVE'. Later i had formatted the pendrive and used it for other purposes.
Today, i wanted to install ubuntu on another computer, so i copied the contents of this folder to my pendrive (instead of creating a bootable usb drive using universal USB installer again) and renamed my pendrive as 'PENDRIVE'. But when i tried to boot from it (i had changed the boot order of my computer accordingly) i got this message, 'remove any removable cd or media and press any button to restart'. Until i removed the pendrive my system refused to start and i was unable to install ubuntu. Why did this happen?
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Feb 2, 2011
I formatted a 500GB with ext4 format, and placed in a usb box, it showed up, but could not write, copy past etc to it, the same disk was formatted in NTFS, and FAT32 showed up and could do all the above actions, given that ext4/ext4/ext2 are specifically made for Linux, then why on earth they don't get mounted automatically and work normally from usb box and ports?
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Aug 17, 2010
I have made several live Cd's and img for my flash drive and tried to even preview Ubuntu before install, but nothing seems to be working. it makes it to the screen that says Ubuntu with the dots and the dots "cycle" then afew seconds later, weather cd or flash drive, everything just stops and my computer freezes. Tried nomodeset and everything i could find between here and google to no avail.
cant get past that load screen. Ive been lurking on the forum for days and finally got fed up enough to post this because im fresh and have no clue what im doing when it comes to this. all i know is i want something better than windows(lol) and Ubuntu seems like its right up my alley...user, my "skills" if you will, are better than most, but Linux.its like trying to reed Greek for me.Also, computer specs...Toshiba A505-S6025 4gb Memory Nvidia GeForce 310M (from what i read i will have trouble with this) Realtek RTL8191SE wlan (also will have problems with this)
EDIT: just ran live cd with virtual box and it started the demo of Ubuntu with no problem with no options(like nomodeset) checked off... apparently i think im doing something wrong when it comes to booting the other way...
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Oct 12, 2010
I am trying to use the usb startup creator to make a xubuntu 10.10 ( with downloaded .iso) startup disk to a 2gb flash drive. I formatted the drive to ext4, and when I start the usb creator I get this error: "Failed to install the bootloader."
1. Should I have formatted the drive to ext4? In the usb creator instructions the author used ext3 as an example.
2. I am using the 64bit .iso file. I am trying to make the drive from a 64bit pc running ubuntu 10.04 (64bit).
3. If I can get this to work, will the 64bit flash drive then boot using a 32bit pc? (I wouldn't want to install it, but rather boot to use as a portable OS.)
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Oct 24, 2010
First time poster and recent Ubuntu adopter. I recently installed 10.10 on my main HD alongside a separate windows (xp) partition (it worked perfectly). Then I decided to get fancy and installed 10.10 to a flash drive directly from a live cd. I attempted to boot from the flash drive, and got a black screen with a blinking underscore for about 10 minutes, then I forcefully rebooted. Now, whenever I attempt to boot at all from my main HD I get "error: no such device and a ton of misc numbers. And the flash drive will not allow me to boot from it. Currently, I'm working within the Live CD.
I have a few projects I need to complete with Dreamweaver inside XP, so recovering it completely would be nice.
Code:
Boot Info Script 0.55 dated February 15th, 2010
============================= Boot Info Summary: ==============================
=> Grub 2 is installed in the MBR of /dev/sda and looks on the same drive in partition #1 for (,msdos1)/boot/grub.
=> No boot loader is installed in the MBR of /dev/sdf
[Code].....
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Jun 13, 2011
I have no hard drives in my computer, so I have been trying to boot Ubuntu 11.04 from an 8GB usb flash drive. Is this possible? So far the best result i have gotten is it will sit on the loading screen for a while then dump. I was only able to get the last little bit which reads mount. mounting /dev on /root/dev failed: no such file or directory. mounting /sys on /root/sys filed: no such file or directory. mounting /proc on /root/proc failed: no such file or dirctory. target file system doesn't have requested /sbin/init
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Sep 23, 2010
A Twist on the Boot Installation USB Flash Drive Have made numerous attempts at making a bootable installation USB Flash drive for CentOS 5.5 but in one way or another they all came up short.Using dd to apply bootdisk.img to a flash drive per the installation instructions seems to take over the entire device even though it only needs about 10 megabytes.Using the method outlined in the Wiki article Set Up a USB Key to Install CentOS and other similar methods causes vmlinuz and initrd to load very slowly. About 50 seconds compared to normal of less than 10 seconds. The dots going across the screen is like watching paint dry.Data partition not accessible to Windows machines.
The following adaptation of the Wiki content article Set Up a USB Key to Install CentOS by Phil Schaffner overcomes the aforementioned short falls. Much thanks to those who created the original content sources and processes. None of the following is originally mine. I just altered it a bit to overcome the aforementioned short falls.
Overview: Objective of the following procedure is to create a CentOS bootable flash disk also containing install iso and kickstart file, that does not suffer from the aforementioned short falls. Partition 1 Installation iso, kickstart file and anything else such as post install scripts, etc. Partition 2 Boot Partition ~15 megabytes.
[Code]...
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Dec 4, 2010
I have a 1.0 ghz G4 eMac running Tiger. Using Ubuntu 10.04's Live-CD I installed 10.04 on a 8-gig USB flash drive and it worked very well despite spending nearly five hours to download its files via DSL and a pokey USB 1.1 port. The flash drive's 10.04 installation worked just fine on my eMac and 900mhz G3 iBook except for Airport wireless non-connecting issues.(I like Ubuntu 10.04 because unlike Mint for PPC, you're not hassled or barred from accessing your Mac HD and its files.) THEN, to resolve my wireless issues, I decided to upgrade to 10.10 which took nearly 12 hours, and it seemed to've installed well until I tried booting the flash drive and it doesn't work. I get the Ubuntu icon in the Startup Disk screen but it keeps returning to it even after I select Ubuntu. The error screen I get reads code...
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Sep 11, 2011
I want to convert the file system on my boot drive from ext4 to btrfs.
I have converted by 2nd drive, unsure of how to convert the boot drive and partitions.
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Jan 23, 2010
I wanted to know if i can install 9.10 onto a usb flash drive--without using my computers hard drive at all when running ubuntu off the flash drive-
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Apr 9, 2010
I am trying to use a Sandisk 2 GB USB flash drive to boot this system but the system is ignoring the drive. The system boots fine from the CD or from the first hard disk.
Here are some details:
ASUS P6T SE mother board
Cooler Master HAF case
Ubuntu v 9.10 64 bit
Sandisk 2GB USB flash drive
I have plugged the flash drive into a convenient front panel USB connector, right next to where the floppy drive is plugged in. I used the USB Startup Disk Creator to copy a disk file containing Ubuntu 9.04 Live CD onto the flash drive, then I used install-mbr on that drive. I can use the usual tools such as nautilis to examine the contents of the flash drive, and for fdisk -l I get:
Quote:
Disk /dev/sdh: 2000 MB, 2000682496 bytes
64 heads, 63 sectors/track, 969 cylinders
Units = cylinders of 4032 * 512 = 2064384 bytes
[code]...
which seems to say that the flash drive is bootable. I am suspecting that the problem is in the mother board and/or BIOS. The BIOS is set up to boot in the following order: CDROM, removable device, first hard disk. I thought that "removable device" included USB drives but the system seems to ignore that drive. There are lots of USB connectors in this system. There is a keyboard, a mouse , a loudspeaker set, a floppy drive, and the aforementioned USB flash drive plugged into various USB connectors on both the front and back sides of the cabinet.
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Mar 25, 2011
Would it be possible, and would it make sense, to copy the whole utuntu file system to a portable flash drive, and then plug it into another computer and run ubuntu on that computer?
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Nov 24, 2010
When booting I get the following error message:
Code:
The disk drive for EXT4 is not ready yet or not present.
Continue to wait; or press S to skip mounting or M for manual recovery.
The drive in question is SSD2, which I wanted to mount as an extended disk (non OS). This is what I did:
FDISK:
Code:
Disk /dev/sdb: 64.0 GB, 64023257088 bytes
255 heads, 63 sectors/track, 7783 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00029baa
Device Boot Start End Blocks Id System
/dev/sdb1 1 7783 62516916 85 Linux extended
BLKID:
Code:
/dev/sdb1: LABEL="SSD2" UUID="#######" TYPE="ext4"
FSTAB:
Code:
UUID=####### ext4 /media/mountSSD2 defaults 0 2
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Jun 20, 2010
I bought an 8GB flash drive because my D drive doesn't read DVDs. Anyway, my goal is to install Linux ubuntu and have it be my OS (replacing Windows XP). Last night I went to the Ubuntu homepage and downloaded the Ubuntu desktop edition 32-bit and put it on my flash drive. I followed the instructions on how to open and run it, but I was never asked about whether I want Linux to run side by side with Windows or if I want it to replace Windows. It downloaded the whole program, my computer restarted and then (on a black screen) it asked if I wanted to use Windows XP Home Edition or Linux Ubuntu. It's really frustrating because it took a while to download and install it in the first place AND to top that off, when I tried to use Ubuntu it went to a black screen and at the top said that there was an error. So I uninstalled all the ubuntu program and software and now I have a clean slate and want to try this again. I am a complete n00b. Could someone please walk me through how I can go about downloading (w/ links plz), installing and making ubuntu my ONLY OS on my computer via a flash drive? I'm desperate and I don't want to go through all of that and make the same mistake again!
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Jan 11, 2010
How do I get a computer to boot from a USB flash drive with a bootable image when the computers bios does not have a USB device as a boot choice ?
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Apr 30, 2010
i am trying to make a windows XP boot flash drive for one of my copmputers. i delete all the partitions on my flash drive and run "dd if=/dev/cdrom of=/dev/sdb" and ubuntu can read it and its got all the contents of the CD but windows machines say i need to format it and no computer can boot off of it. did i do something wrong?
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May 12, 2010
I am trying to make an iso boot from a 8GB SanDisk Cruzer USB drive through UNetBootin, and it's just not happening. I have tried several times, but always had the same disappointing result. It looks like when UNetBootin goes through the process of putting it on the flash drive, it completely skips aking it bootable. Any suggestions? Maybe it is just UNetBootin.
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Aug 24, 2010
I have a linux server running ubuntu 10.04, kernel Linux server 2.6.32-22-generic #33-Ubuntu SMP Wed Apr 28 13:28:05 UTC 2010 x86_64 GNU/Linux. A few months ago I installed ubuntu to a USB flash drive (Patriot 16GB) and was able to successfully boot off it, and everything was running fine. Then all of a sudden I noticed that the root filesystem was read-only, and I saw errors in the kernel log:
[ 725.528732] sd 2:0:0:0: [sdc] Unhandled sense code
[ 725.528742] sd 2:0:0:0: [sdc] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[ 725.528750] sd 2:0:0:0: [sdc] Sense Key : Medium Error [current]
[ 725.528759] sd 2:0:0:0: [sdc] Add. Sense: Unrecovered read error
[ 725.528768] sd 2:0:0:0: [sdc] CDB: Read(10): 28 00 00 1e 00 cc 00 00 d0 00
I tried reading the drive to see if there was a problem with the drive itself:
root@server:~# dd if=/dev/sdc of=/dev/null
dd: reading `/dev/sdc': Input/output error
1966184+0 records in
1966184+0 records out
1006686208 bytes (1.0 GB) copied, 2.12427 s, 474 MB/s
But the strange thing is that if I put that usb stick in a different linux server, I'm able to read the whole drive. If I run fsck, it fixes a bunch of errors, but when I put the drive back in the original PC it will work for a while and then fail with the same type of I/O error (not at the same offset though). I had this same problem occur on a different USB stick in the same server, I had thought it was bad media so I replaced it, but now the same problem is happening on a different usb drive. I have backups of the data, but I would really like to figure out what is causing this before I throw in the towel and buy a new PC.
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