After installing Ubuntu to a flash drive, and customizing it heavily, I am running out of room (8 percent remaining on a 4GB flash drive). While I could go buy another flash drive, I already have plenty of storage between a 500GB external hard drive and a DLink NAS. What I would like to do is use unionfs to mount an image (around 6GB in size) over my 4GB flash drive. When it is mounted, all file changes should be synced to the unionfs image, thus "archiving" my flash drive. I have created the 6gb image, formatted it as Ext4 (same type as my flash drive), but when I mount it (using 'unionfs-fuse /media/SG_EHDD/devices/unionfs.dev -o cow /') any changes that I make are not made on the image. I think I am missing an option, namely the -o chroot=SOME_TEXT, but when I put -o chroot=/media/SG_EHDD/devices/, it says it cannot load /media/SG_EHDD/devices//media/SG_EHDD/devices/unionfs.dev. It also gives me the same errors when I cd to /media/SG_EHDD/devices and run unionfs-fuse with ./unionfs.dev for the path to the filesystem image.
Can FUSE filesystems be layered/nested? (I would use the verb "stacked", but that might confuse the issue with kernel module file system stacking in the same process space).I've scoured the web an haven't been able to find an answer to this question. I've also tested emperically for the answer, with inconclusive results. I have numerous use cases in mind for this. E.g.:Mp3 tagging FS on top of ZFS-FUSE. Union FS on top of NTFS-3G. Caching FS on top of checksumming FS on top of compression FS on top of encryption FS on top of webdav FS. And so on. (Yes I realize the last one would be a stretch in any scenario.) Or basically, ANY special-purpose FS on top of ZFS-FUSE, or NTFS-3G. (My particular interest is the former.)
I have tested this out - specifically, encfs on top of ZFS-FUSE. It didn't work. I don't recall the exact problems nor did I document the results, but the result was a very unhappy filesystem. (It did actually all mount without error if I remember correctly.) I tried many workarounds, and the end result was a non-functioning file system (I know that's vague; as is my memory). So that got me thinking, is it even possible? Is FUSE even designed for this? And if it is, is it designed in such a way that layered filesystems are reliably abstracted from each other so that they don't care and can't know what the underlying FS is? I do realize there would be performance penalties with these use cases, many non-exact alternatives, etc. So it would be nice to not receive use-case/alternatives lectures that (some) in the Linux community feel compelled to provide
I can barely use the live session CD of Ubuntu 11.04 because,everything gets corrupted,i cant open new windows because it starts to get horrible, like if i had a graphics problem, managed somehow to open Mozilla and write this, but its impossible to do anything else that needs to open more windows layers...
I never had this problem with ubuntu before... my graphics are intel extreme graphics 2.i cant even use the terminal because it is in few words... invisible, unless I move it but then, disappears.I can work normally using windows. Also i have ubuntu karmic live cd and works perfectly.
Every time I right click on my CD/DVD with my DVD+RW popped in the drive, it freezes for like 10 minutes and then it unfreezes with nothing happening.I think I formatted it before using ImgBurn but when I did it went from 4.7GB capacity to 3GB. Is it possible that I accidentally turned my double-layered DVD to single-layer? If so is there a way to turn it back to double-layer?
I've just bought a 6-core Phenom with 16G of RAM. I use it primarily for compiling and video encoding (and occassional web/db). I'm finding all activities get disk-bound and I just can't keep all 6 cores fed. I'm buying an SSD raid to sit between the HDD and tmpfs. I want to setup a "layered" filesystem where reads are cached on tmpfs but writes safely go through to the SSD. I want files (or blocks) that haven't been read lately on the SSD to then be written back to a HDD using a compressed FS or block layer.
So basically reads: - Check tmpfs - Check SSD - Check HD
And writes: - Straight to SSD (for safety), then tmpfs (for speed) And periodically, or when space gets low: - Move least frequently accessed files down one layer. I've seen a few projects of interest. CacheFS, cachefsd, bcache seem pretty close but I'm having trouble determining which are practical. bcache seems a little risky (early adoption), cachefs seems tied to specific network filesystems. There are "union" projects unionfs and aufs that let you mount filesystems over each other (USB device over a DVD usually) but both are distributed as a patch and I get the impression this sort of "transparent" mounting was going to become a kernel feature rather than a FS.
I know the kernel has a built-in disk cache but it doesn't seem to work well with compiling. I see a 20x speed improvement when I move my source files to tmpfs. I think it's because the standard buffers are dedicated to a specific process and compiling creates and destroys thousands of processes during a build (just guessing there). It looks like I really want those files precached.....
I want to restore a HDD image I have to my laptop's HDD while booted off the Ubuntu Live CD.The laptop's HDD is unformatted and has no partitions.I expected this to work:$ sudo dd if=/path/to/backup.img of=/dev/sdaBut I'm tolddd: opening `/dev/sda': Permission denied.
I want to simplify some of my rules, so I want to create rules for certain services like xmpp, web, etc. since some of them use multiple ports, and I toggle them on/off a lot. Can I simply put the jump to rule clauses in the Input chain, and once the sub chains run, does it return to the input chain after the jump to rule clause? I want to do this so I don't have a ton of rules in the input chain. I think that if I simply make a list of all the rules to jump to in the input chain, it will work itself through all of them until it finds a matching filter in one of them correct?
I know that the second dot release of Squeeze has been released (6.0.2). Why live images still point to 6.0.1?Is that update not going to be released as live?
Does anybody know of a program that can make make images of the entire hard drive while it's in use? Like Ghost and Acronis can do? I have a production ubuntu system that I need backups of, however, I can't power it off.
i feel like this is a stupid question as i have seen many different ways to make a debian live cd, but the only way i understand is remastersys.i am trying to make a snapshot of my own debian unstable (sid) to be capable of re-distribution. remastersys will ONLY work on ubuntu, lenny, and squeeze.if anyone knows of any relatively simple tools i could use or could write an easy how too that would be very much appreciated. i am attempting to stray away from ubuntu and ubuntu based distros and use debian instead, although i cant find any distribution based on debian that i really like (maybe linux mint debian edition based on debian testing), but i really want the software right out of unstable (sid) and i would like to be able to make a distribute-able snapshot for myself and others that may be interested. (xfce + compiz + others, hopefully plymouth, out of the box). i have made some very good headway on this, but i dont know how to make a live cd out of an installed system without remastersys.
When trying to install fedora with a 4gb USB stick, I get after partitioning the hard drive the following message: "The installation programme has failed to mount image #1 because it's not on the harddrive. I'm a dutchmen, so I hope this translation is correct.
I've created USB bootable image of my Squeeze using live-magic and had the massage "Installation Finished".Now if I try to boot my system using this USB stick, I get the message:"Insert system disk in drive.Press any key when ready..."
is it possible to boot fedora live cd image from usb thumb drive using grub? im trying to make multiboot usb thumb drive with live option on it, but cant seem to get it to work.trying to load kernel and initrd resulting in this at the end of the fedora loading screen:
Code: No root device found! Boot has failed sleeping forever! Any suggestions would be greatly appreciated!
I've seen some tools available for taking image backups (amanda, bacula, ...) of the O/S. I have a nas drive and want to back up the the entire disk to it (while running preferrably). Can someone recommend what tool would be best to use (free of course) and hopefully not too complex.
I am having trouble both installing or even just booting the live CD. I have to interrupt the boot to give the nomodeset boot option.
Once I get the Ubuntu splash with the oscillating red and white dots for several moments, I get the Busybox with the error message "Unable to find a medium containing a live file system"
If I do a dmesg I then see a lot of sr0 errors. I have an onboard SCSI controller but no scsi devices. I am not sure if this matters.
Just fooling around with a live image, thinking about dumping Ubuntu for a straight Debian install and I can't get wireless running on it. Is this a "known issue?"
I recently started trying fedora 10 out on live cd (in my case usb ) and loving it. I want to install it, should I get the dvd image, or would it be okay for me to just install off live cd (usb) and install whatever I want through the package manager later... Why/why not? Also on live usb, I can't find the package manager under applications.
Yesterday, i just got my Fedora live DVD. When i tried to boot it from my CD/DVD ROM drive, it seems to hang when it's just about to finish loading. From one of the prevous threads, one of the members said that i had to have 2 partitions on my HD. Currently, i already have 2 partitions. Can someone give me advice on what to do??
I've a headless custom device that boots from USB using live image. Since I cannot access the device through the network, I need a way to persist boot related log files (dmesg, boot.log, messages) to view them on another computer. I also need to know how can I run custom commands on startup of live image.
I recently used clonezilla to make a backup image of hdd, before doing factory restore, now the image is of not necessary as I can image the restored computer (Acer Aspire 3620).Is it possible to extract image to blu-ray and make bootable as in live-cd?
Debian-live-8.2.0-amd64-xfce-desktop.iso do not boot in uefi mode. I would like to know if live image can boot uefi mode? If not how can I do later from bios to install grub efi?
I installed Fedora 13 and on my new laptop and tried upgrading to F15 and it gets stuck at "Late init script for live image".I've been searching and seen threads in the F15 Dev forum that I cannot reply to. I do not have akmod or kmod on this machine.I can get to a terminal, I have an SSH Server I installed before it broke. When I press ESC at the boot screen the last thing I see says "Late init script for live image"
I've a headless custom device that boots from USB using live image. Since I cannot access the device through the network, I need a way to persist boot related log files (dmesg, boot.log, messages) to view them on another computer. I also need to know how can I run custom commands on startup of live image.
I'm a Linux newbie and are trying to install F13 from bootable USB onto the HD of a DELL mini netbook. I've followed the install wizard's defaults including the "Use All Space option." The install errors out at about 20% of progress during the "Copying live image to hard drive" process. The error dialog is as followed:"There was an error installing the live image to your hard drive. This could be due to bad media. Please verify your installation media..." and it comes with options to Exit installer or Retry. I have since retried and restarted several times and still came to the same error. FYI, I've initially attempted to install F13 to the HD over an existing Windows XP.
I'm getting this error trying to install Live GNOME 32bit v11.3 or 11.4 build 11:
Code: Couldn't find Live image configuration file
I'm installing from a USB stick. I can install v11.2 the same way no problem. USB stick created using SUSE Studio Image Writer and Win32DiskImager give same results.
