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• 12.10 install overwrote my windows partition

  - by Niall C

  Recently decided to switch back to Ubuntu. I have a 3TB drive which was running win7. I had 3 partitions. c: for windows d: data e: data Have installed ubuntu before so 'thought' I knew what I was doing. I using netbootin I installed from a usb stick. I didn't choose the default options but I didn't choose the 'manual install' either. I can't remember what option I took but I figured at some stage it would tell me how it was going to partition the disk and at that stage I would see if it had recognised the NTFS partitions and I would be able to abort if it didn't. Unfortunately, it didn't and just went ahead and installed Ubuntu and made up it's own mind on how it was going to partition the disk. Usual story, the two NTFS data partitions weren't backed up. Is there anything I can do to retrieve the ntfs data? I'm currently trying out testdisk and I know I can use photodisk to retrieve certain file types but all the filenames will be lost and it's going to take a hell of a lot of time to rename them all. Any help or assistance would be more than gratefully accepted. Thanks in advance, Niall

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• how can i find my usb2rs232 driver

  - by mefmef

  i have a device that is correctly connected to my PC . but i could not see it in /dev . what does it means? is it because of not installing my drive? $ /dev ls before connecting my device: agpgart mei sda1 tty28 tty59 ttyS30 autofs mem sda2 tty29 tty6 ttyS31 block net sda5 tty3 tty60 ttyS4 bsg network_latency sda6 tty30 tty61 ttyS5 btrfs-control network_throughput serial tty31 tty62 ttyS6 bus null sg0 tty32 tty63 ttyS7 char oldmem shm tty33 tty7 ttyS8 console parport0 snapshot tty34 tty8 ttyS9 core port snd tty35 tty9 ttyUSB0 cpu ppp stderr tty36 ttyprintk uinput cpu_dma_latency psaux stdin tty37 ttyS0 urandom disk ptmx stdout tty38 ttyS1 usbmon0 dri pts tty tty39 ttyS10 usbmon1 ecryptfs ram0 tty0 tty4 ttyS11 usbmon2 fb0 ram1 tty1 tty40 ttyS12 vcs fd ram10 tty10 tty41 ttyS13 vcs1 full ram11 tty11 tty42 ttyS14 vcs2 fuse ram12 tty12 tty43 ttyS15 vcs3 hidraw0 ram13 tty13 tty44 ttyS16 vcs4 hpet ram14 tty14 tty45 ttyS17 vcs5 input ram15 tty15 tty46 ttyS18 vcs6 kmsg ram2 tty16 tty47 ttyS19 vcsa log ram3 tty17 tty48 ttyS2 vcsa1 loop0 ram4 tty18 tty49 ttyS20 vcsa2 loop1 ram5 tty19 tty5 ttyS21 vcsa3 loop2 ram6 tty2 tty50 ttyS22 vcsa4 loop3 ram7 tty20 tty51 ttyS23 vcsa5 loop4 ram8 tty21 tty52 ttyS24 vcsa6 loop5 ram9 tty22 tty53 ttyS25 vga_arbiter loop6 random tty23 tty54 ttyS26 zero loop7 rfkill tty24 tty55 ttyS27 lp0 rtc tty25 tty56 ttyS28 mapper rtc0 tty26 tty57 ttyS29 mcelog sda tty27 tty58 ttyS3 $ /dev ls after connecting my device: agpgart mei sda1 tty28 tty59 ttyS30 autofs mem sda2 tty29 tty6 ttyS31 block net sda5 tty3 tty60 ttyS4 bsg network_latency sda6 tty30 tty61 ttyS5 btrfs-control network_throughput serial tty31 tty62 ttyS6 bus null sg0 tty32 tty63 ttyS7 char oldmem shm tty33 tty7 ttyS8 console parport0 snapshot tty34 tty8 ttyS9 core port snd tty35 tty9 ttyUSB0 cpu ppp stderr tty36 ttyprintk ttyUSB1 cpu_dma_latency psaux stdin tty37 ttyS0 uinput disk ptmx stdout tty38 ttyS1 urandom dri pts tty tty39 ttyS10 usbmon0 ecryptfs ram0 tty0 tty4 ttyS11 usbmon1 fb0 ram1 tty1 tty40 ttyS12 usbmon2 fd ram10 tty10 tty41 ttyS13 vcs full ram11 tty11 tty42 ttyS14 vcs1 fuse ram12 tty12 tty43 ttyS15 vcs2 hidraw0 ram13 tty13 tty44 ttyS16 vcs3 hpet ram14 tty14 tty45 ttyS17 vcs4 input ram15 tty15 tty46 ttyS18 vcs5 kmsg ram2 tty16 tty47 ttyS19 vcs6 log ram3 tty17 tty48 ttyS2 vcsa loop0 ram4 tty18 tty49 ttyS20 vcsa1 loop1 ram5 tty19 tty5 ttyS21 vcsa2 loop2 ram6 tty2 tty50 ttyS22 vcsa3 loop3 ram7 tty20 tty51 ttyS23 vcsa4 loop4 ram8 tty21 tty52 ttyS24 vcsa5 loop5 ram9 tty22 tty53 ttyS25 vcsa6 loop6 random tty23 tty54 ttyS26 vga_arbiter loop7 rfkill tty24 tty55 ttyS27 zero lp0 rtc tty25 tty56 ttyS28 mapper rtc0 tty26 tty57 ttyS29 mcelog sda tty27 tty58 ttyS3

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• Live CD installer gets stuck with a grayed out forward button.

  - by TRiG

  I have a CD with Ubuntu 10.10 and a laptop with Ubuntu 8.10. The laptop had all sorts of crud on it, and anything I wanted to keep was backed up on an external drive, so I was happy to do a wipe and reinstall instead of an update. So after a bit of faffing about trying to work out how to get the thing to boot from the CD drive, I did that. So the screen comes up with the choice: the options are Try Ubuntu and Install Ubuntu. I choose to install and to overwrite my current installation. So far so good. I then get a progress bar labelled something like copying files (I forget the exact wording) and further options to fill in for my location, keyboard locale, username and password. On each of these screens there are forward and back buttons. On the last screen (password), the forward button is greyed out. Well, I think to myself, no doubt it will become active when that copying files progress bar completes. The progress bar never completes. It hangs. And the label changes from copying files to the chirpy ready when you are. The forward button remains greyed out. The back button is as unhelpful as you'd expect it to be. And there's nothing else to click. We have reached an impasse. I tried restarting the laptop, to test whether it actually was properly installed. It wasn't. I tried to run Ubuntu live from the CD, to test whether the disk was damaged. That wouldn't work either, but I suspect it's just because the laptop is old and has a slow disk drive. I'm typing this question on another computer using the Ubuntu live CD and it's working fine. So there's nothing wrong with the CD.

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• Installing ubuntu 12.04 on macbook pro9,2

  - by stariz77

  I seem to have tried all the various suggested methods for installing ubuntu on a mbp, but can't seem to get anything that works and was wondering if anyone has run into any new problems with the latest non-retina models? I have a core i7 in my macbook, and model identifier is MacBookPro9,2. I have partitioned my HD using disk utility and have 700gig free space ready for the install (I haven't removed OSX Lion, it is still there in a 50gig partition). Problem: I am just getting a blank screen with a blinking cursor (unresponsive) in the top left whenever I boot from the disk. I left it for 20 minutes and nothing ever happened. This was without any boot manager, just holding "c" on startup. Attempted remedies: I have downloaded the 64 ubuntu iso from their site 3 times now and burned 4 separate discs to rule out some kind of corruption or burn error. I burned one in OSX Lion 10.7.4 and 3 on my windows 7 pc. I tried holding "alt" instead and then navigating to the windows disc to boot. Same thing happens, blank blinking unresponsive cursor. I also tried going to the EFI disc which actually brings up a menu (after saying "error prefix is not set") asking if I want to install ubuntu, test for errors or partition. All three options lead me to an unresponsive blank screen (some without cursors). I downloaded and installed rEFIt and if I hold "alt" on startup a linux penguin (Boot Linux from CD) appears in my boot options, along with the apple boot, and two others that I'm not sure of: "Boot EFI\boto\bootx64.efi from" and "Boot Legacy OS from". The "Boot Linux from CD" just takes me to the blank blinking cursor screen; again, I left if for 10+ minutes and nothing. I heard that the detection of the graphics card might be a problem and that I need change to nomodeset, but I have tried pressing F6 in all of the boot menus listed above and no options appear. Does anyone have any other suggested routes or can you see what I might have done wrong?

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• Another hibernation question

  - by GeekOfTheWeek

  I installed Ubuntu on my Windows 7 Sager laptop using Wubi. Hibernate (i.e. suspend to disc) is not an option from the power icon, only suspend, shutdown, etc. Hibernate is also not an option from my battery/lid close options. I understand that hibernation is disabled by default in Ubuntu 12.04. I tried running pm-hibernate but I get the following message: Looking for splash system... none s2disk: Snapshotting system and then the computer just hangs with a black screen. According to the documentation here if this fails then I can't enable hibernate but it offers no help in making pm-hibernate succeed. Could swap be my problem? It looks like I have very small swap: user@ubuntu:~$ cat /proc/swaps Filename Type Size Used Priority /host/ubuntu/disks/swap.disk file 262140 0 -1 The advice on SwapFaq is only for the author's set up (e.g. I don't have an Ubuntu install disk since I used Wubi) and he says that 'INFO: This will not work for 12.04, resume from hibernate work differently in 12.04.' Any advice? I really need to get hibernate working to use my laptop as a, er, laptop. Thanks

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• frequent abnormal shutdowns/system crashes

  - by user110353

  It's been almost 5 days since I have installed Ubuntu and almost 6th time that my laptop has been crashed entirely and it shuts down abnormally. Actually, it heats up and I have to wait for 20 odd minutes before I can turn it on again. A message appears that my PC crashed due to overheating which may damage my hard disk. The crashes happened when I tried to open some application that freeze my PC not even giving me enough time to go to system monitor and end process. Sometimes the culprit application which caused crash is Ever-pad, sometime it's team-viewer, sometimes it's some other. This is something very serious. The last crash occurred at 09:14:40. Kindly click here to view system log. I want to stick to Ubuntu and the same laptop as I had serious issues with Windows and I nearly went out to dump my laptop and purchase a more powerful system. Below are my hw/os specs. Kindly advice on how to resolve this issue Ubuntu 12.10 Kernal 3.5.0-18-generic GNOME 3.6.0 Memory 2.0GB Processor: Genuine Intel CPU [email protected] x 2 Available Disk Space: 63.7 GB Thanks in advance

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• How do I boot to a windows recovery partition from GRUB on a Toshiba computer?

  - by Andy Groff

  This should be simple but I cannot figure out how to do it. I've been dual booting ubuntu and vista for a while. About 8 months ago, I realized my windows partition got corrupt and does not boot. This wasn't a problem since I didn't need it anyways, but now I do need windows. Using the disk manager I can see a partition called Toshiba System Volume which is 1.6 GB and one called HDD Recovery which is 7.8 GB. I assume the second one is what I need and i'm not sure what the first one is for. Anyways, how do I boot to this one? Is it a matter of configuring GRUB to boot to it? Once I do boot to it will it let me only reformat my windows partition, or is it going to restore the entire hard drive to factory condition? I assume I'll get the general windows installer which lets me choose the partition but, as you can probably tell, I've never used a recover partition. Should I burn the contents of the partition to a disk and boot to that? Sorry if this is obvious but I'm confused and cannot figure this out.

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• Usb stick too slow to benchmark?

  - by user85340

  I have a Core 2 Duo [email protected] with 3GB RAM. After some time using XUbuntu 10.10 on an 8GB stick I decided to switch to 12.04 and put it onto a 32GB stick (Transcend). I use an EXT4 with no journalling, noatime etc set. /tmp and /run is using tmpfs. And it is REALLY slow. MUCH slower than the old Xubuntu on the 8GB stick. Starting takes minutes, all applications "fade" because they respond too slow. I first thought that the NVidia graphics card is responsible for this, because there seem to be some known problems with that. Doing the adjustment (uncheck the sync checkbox) did not help. I believe the root cause is that the access to the USB stick is extremely slow. Running the read benchmark of the disk utility then brought the message "disk is too slow to benchmark"! BUT: When I do the same benchmark with the live CD I get around 20MB read performance and have a very responsive system! So how can I find out what is going one here?

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• Exadata???DiskGroup

  - by Liu Maclean(???)

  Exadata???Asm Diskgroup ???????: 1.??dcli -g /home/oracle/cell_group -l root cellcli -e list griddisk ????active?griddisk [root@dm01db01 ~]# dcli -g /home/oracle/cell_group -l root cellcli -e list griddisk dm01cel01: DATA_DM01_CD_00_dm01cel01 active dm01cel01: DATA_DM01_CD_01_dm01cel01 active dm01cel01: DATA_DM01_CD_02_dm01cel01 active dm01cel01: DATA_DM01_CD_03_dm01cel01 active dm01cel01: DATA_DM01_CD_04_dm01cel01 active dm01cel01: DATA_DM01_CD_05_dm01cel01 active dm01cel01: DATA_DM01_CD_06_dm01cel01 active dm01cel01: DATA_DM01_CD_07_dm01cel01 active dm01cel01: DATA_DM01_CD_08_dm01cel01 active dm01cel01: DATA_DM01_CD_09_dm01cel01 active dm01cel01: DATA_DM01_CD_10_dm01cel01 active dm01cel01: DATA_DM01_CD_11_dm01cel01 active dm01cel01: DBFS_DG_CD_02_dm01cel01 active dm01cel01: DBFS_DG_CD_03_dm01cel01 active dm01cel01: DBFS_DG_CD_04_dm01cel01 active dm01cel01: DBFS_DG_CD_05_dm01cel01 active dm01cel01: DBFS_DG_CD_06_dm01cel01 active dm01cel01: DBFS_DG_CD_07_dm01cel01 active dm01cel01: DBFS_DG_CD_08_dm01cel01 active dm01cel01: DBFS_DG_CD_09_dm01cel01 active dm01cel01: DBFS_DG_CD_10_dm01cel01 active dm01cel01: DBFS_DG_CD_11_dm01cel01 active dm01cel01: RECO_DM01_CD_00_dm01cel01 active dm01cel01: RECO_DM01_CD_01_dm01cel01 active dm01cel01: RECO_DM01_CD_02_dm01cel01 active dm01cel01: RECO_DM01_CD_03_dm01cel01 active dm01cel01: RECO_DM01_CD_04_dm01cel01 active dm01cel01: RECO_DM01_CD_05_dm01cel01 active dm01cel01: RECO_DM01_CD_06_dm01cel01 active dm01cel01: RECO_DM01_CD_07_dm01cel01 active dm01cel01: RECO_DM01_CD_08_dm01cel01 active dm01cel01: RECO_DM01_CD_09_dm01cel01 active dm01cel01: RECO_DM01_CD_10_dm01cel01 active dm01cel01: RECO_DM01_CD_11_dm01cel01 active dm01cel02: DATA_DM01_CD_00_dm01cel02 active dm01cel02: DATA_DM01_CD_01_dm01cel02 active dm01cel02: DATA_DM01_CD_02_dm01cel02 active dm01cel02: DATA_DM01_CD_03_dm01cel02 active dm01cel02: DATA_DM01_CD_04_dm01cel02 active dm01cel02: DATA_DM01_CD_05_dm01cel02 active dm01cel02: DATA_DM01_CD_06_dm01cel02 active dm01cel02: DATA_DM01_CD_07_dm01cel02 active dm01cel02: DATA_DM01_CD_08_dm01cel02 active dm01cel02: DATA_DM01_CD_09_dm01cel02 active dm01cel02: DATA_DM01_CD_10_dm01cel02 active dm01cel02: DATA_DM01_CD_11_dm01cel02 active dm01cel02: DBFS_DG_CD_02_dm01cel02 active dm01cel02: DBFS_DG_CD_03_dm01cel02 active dm01cel02: DBFS_DG_CD_04_dm01cel02 active dm01cel02: DBFS_DG_CD_05_dm01cel02 active dm01cel02: DBFS_DG_CD_06_dm01cel02 active dm01cel02: DBFS_DG_CD_07_dm01cel02 active dm01cel02: DBFS_DG_CD_08_dm01cel02 active dm01cel02: DBFS_DG_CD_09_dm01cel02 active dm01cel02: DBFS_DG_CD_10_dm01cel02 active dm01cel02: DBFS_DG_CD_11_dm01cel02 active dm01cel02: RECO_DM01_CD_00_dm01cel02 active dm01cel02: RECO_DM01_CD_01_dm01cel02 active dm01cel02: RECO_DM01_CD_02_dm01cel02 active dm01cel02: RECO_DM01_CD_03_dm01cel02 active dm01cel02: RECO_DM01_CD_04_dm01cel02 active dm01cel02: RECO_DM01_CD_05_dm01cel02 active dm01cel02: RECO_DM01_CD_06_dm01cel02 active dm01cel02: RECO_DM01_CD_07_dm01cel02 active dm01cel02: RECO_DM01_CD_08_dm01cel02 active dm01cel02: RECO_DM01_CD_09_dm01cel02 active dm01cel02: RECO_DM01_CD_10_dm01cel02 active dm01cel02: RECO_DM01_CD_11_dm01cel02 active dm01cel03: DATA_DM01_CD_00_dm01cel03 active dm01cel03: DATA_DM01_CD_01_dm01cel03 active dm01cel03: DATA_DM01_CD_02_dm01cel03 active dm01cel03: DATA_DM01_CD_03_dm01cel03 active dm01cel03: DATA_DM01_CD_04_dm01cel03 active dm01cel03: DATA_DM01_CD_05_dm01cel03 active dm01cel03: DATA_DM01_CD_06_dm01cel03 active dm01cel03: DATA_DM01_CD_07_dm01cel03 active dm01cel03: DATA_DM01_CD_08_dm01cel03 active dm01cel03: DATA_DM01_CD_09_dm01cel03 active dm01cel03: DATA_DM01_CD_10_dm01cel03 active dm01cel03: DATA_DM01_CD_11_dm01cel03 active dm01cel03: DBFS_DG_CD_02_dm01cel03 active dm01cel03: DBFS_DG_CD_03_dm01cel03 active dm01cel03: DBFS_DG_CD_04_dm01cel03 active dm01cel03: DBFS_DG_CD_05_dm01cel03 active dm01cel03: DBFS_DG_CD_06_dm01cel03 active dm01cel03: DBFS_DG_CD_07_dm01cel03 active dm01cel03: DBFS_DG_CD_08_dm01cel03 active dm01cel03: DBFS_DG_CD_09_dm01cel03 active dm01cel03: DBFS_DG_CD_10_dm01cel03 active dm01cel03: DBFS_DG_CD_11_dm01cel03 active dm01cel03: RECO_DM01_CD_00_dm01cel03 active dm01cel03: RECO_DM01_CD_01_dm01cel03 active dm01cel03: RECO_DM01_CD_02_dm01cel03 active dm01cel03: RECO_DM01_CD_03_dm01cel03 active dm01cel03: RECO_DM01_CD_04_dm01cel03 active dm01cel03: RECO_DM01_CD_05_dm01cel03 active dm01cel03: RECO_DM01_CD_06_dm01cel03 active dm01cel03: RECO_DM01_CD_07_dm01cel03 active dm01cel03: RECO_DM01_CD_08_dm01cel03 active dm01cel03: RECO_DM01_CD_09_dm01cel03 active dm01cel03: RECO_DM01_CD_10_dm01cel03 active dm01cel03: RECO_DM01_CD_11_dm01cel03 active ??????????griddisk, ?????’cellcli -e drop griddisk’ ?’cellcli -e create griddisk’????griddisk ,??????drop DBFS_DG???griddisk 2.??ASM???create disk group ?????CELL?IP,????????????? [root@dm01db02 ~]# cat /etc/oracle/cell/network-config/cellip.ora cell="192.168.64.131" cell="192.168.64.132" cell="192.168.64.133" SQL> create diskgroup DATA_MAC normal redundancy 2 DISK 3 'o/192.168.64.131/RECO_DM01_CD_*_dm01cel01' 4 ,'o/192.168.64.132/RECO_DM01_CD_*_dm01cel02' 5 ,'o/192.168.64.133/RECO_DM01_CD_*_dm01cel03' 6 attribute 7 'AU_SIZE'='4M', 8 'CELL.SMART_SCAN_CAPABLE'='TRUE', 9 'compatible.rdbms'='11.2.0.2', 10 'compatible.asm'='11.2.0.2' 11 / 3. MOUNT ???DISKGROUP ALTER DISKGROUP DATA_MAC mount ; 4.???crsctl start/stop resource ora.DATA_MAC.dg ?????

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• Windows partition UNKNOWN after Ubuntu installation attempt at dual boot - How to fix?

  - by user285645

  The idea was to install Win 7 and Ubuntu with dual boot. However, after installation, Gparted shows a /dev/sda1 as an 'unknown' filesystem and its size is 278 GB. All my windows files, data are in this partition. THen, there's /dev/sda2 with 'EXT4' filesystem (size-9.54 GB) - created during Ubuntu install. Then, there's /dev/sda3 with 'extended' filesystem (size- 10.5 GB) - created during Ubuntu install. Then, there's /dev/sda5 with 'linux swap' filesystem (size- 2 GB) - created during Ubuntu install. Then, there's /dev/sda6 with 'ext4' filesystem (size- 8.5 GB) - created during Ubuntu install. MY questions are: What exactly does this Gparted output above mean? How to recover my previous Windows 7 installation that's in /dev/sda1 (NTFS). I have some important files I need. Also, I had a PGP encryption on the disk before installing Ubuntu. Now, it just boots straight into Ubuntu... why? How to uninstall Ubuntu (the Try ubuntu and uninstall did not work. the boot-repair did not work) I have read other topics but noone has provided a proper step by step answer to how to recover my 278GB WIndows partition. The testdisk step by step procedure did not work. It says the NTFS disk is unrecognized.

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• Not recognized as operating system on startup

  - by mastabruce

  I am new to Ubuntu and just decided to install it in (on my new lenovo thinkpad) in addition to my windows 7 operating system. Now, whenever I reboot the computer, it only runs window 7. I went (in windows) to Control Pannel ? System ? Advanced Settings ? Startup and Ubuntu is not even listed as a choice for operating system. I tried installing ubuntu again, but now it wants to partition the already partitioned windows folder. I can't figure out how to get Ubuntu, which seems to be installed, to run. I saw on another question here that I could be able to edit my mrb settings using EasyBCD but I can not figure out how to choose ubuntu as an operating system. My disk is already partitioned (seen from the attempted second install) so I'm pretty sure it is on the disk. Basically, how can I get ubuntu to run when I can't choose it as an operating system? Thank you for your help.

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• Installation on SSD with Windows preinstalled

  - by ebbot

  I bought a laptop with this fancy SSD drive, fancy new UEFI aso. I figured at first Windows out Ubuntu in but after doing 3 DoA on 3 laptops in one day I realized that maybe keeping Windows could come in handy. So dual boot it is. And this is what I've got: Disk 1 - 500 Gb HD 300 Mb Windoze only says "Healthy" don't know what it's for. 600 Mb "Healthy (EFI partition)" 186.30 Gb NTFS "OS (C:)" "Healthy (Boot, Page File, Crash Dump, Primary Partition)" 258.45 Gb NTFS "Data (D:)" "Healthy" 20.00 Gb "Healthy (Recovery Partition)" Disk 2 - 24 Gb SSD 4.00 Gb "Healthy (OEM Partition)" 18.36 Gb "Healthy (Primary Partition)" So I'm not sure what the first partition on each drive does (the 300 Gb on the HD and the OEM Partition on the SSD. Nor do I know what Data (D:). I think the 2nd partition on the SSD is for some speedup of Windoze. I'm debating if I should shrink the OS (C:) drive to around 120 GB or so. Clear the Data (D:) and also use the whole SSD for Ubuntu. That would leave me 24 Gb for e.g. / on the SSD and some 320 Gb on the HD for /home and swap. Is this a reasonable setup? Do I need to configure fstab for the SSD differently to a HD?

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• Partitions mixing up

  - by anon

  I am trying to install ubuntu alongside my windows 7. The problem is that ubuntu is not detecting all of my partitions and basically clubs together many of them. The same thing is done by using GParted. However this problem does not arise while I am using Windows - 7. I cant paste the image of GParted since I dont have the required reputation... I think this could be due to stray GPT data but am not sure how to take care of it. Can someone help me figure this out ? The output of fdisk -l is as follows Disk /dev/sda: 320.1 GB, 320072933376 bytes 255 heads, 63 sectors/track, 38913 cylinders, total 625142448 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x20000000 Device Boot Start End Blocks Id System /dev/sda1 63 2047 992+ 42 SFS /dev/sda2 * 2048 206847 102400 42 SFS /dev/sda3 206848 146802687 73297920 42 SFS /dev/sda4 146802688 625140399 239168856 42 SFS However actually I have 4 partitions along with 25 gb unallocated space that I had thought to use for Ubuntu installation.

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• how do I fix 12.04 which has crashed after the latest update

  - by user70261

  I added a new drive to my system because the old one was full and stopped. I installed 12.04 at the same time, onto the new drive using a flash disk while off line. The system performs fine on 12.04 from the flash disk and it booted from the new drive OK and I was able to recover all my old data. The updater suggested that I update, so I went ahead and did so. At the end of which it wanted to reboot. I went ahead but on reboot I get to the log in prompt and then the whole system crashes. It tries to recover and then performs a bug report during which it tells me that a whole bunch of files are out of date (these would be the new ones I just updated!) and the screen goes black. Game over. I've tried to reboot several times ... same result. I can boot off the flash drive OK. How do I restore the system I had before the update, without over writing all my hard earned recovered data? Or how do I identify the "new updates" that are causing me grief?

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• How to dual boot Ubuntu 12.10 and Windows XP sp3 on Dell Dimension 8250 desktop using 2 hard drives

  - by user106055

  I'd like instructions to dual boot Ubuntu 12.10 and Windows XP (sp3) on my desktop Dell Dimension 8250 (this is old and has 1.5 GB RAM which is maximum). I will be using 2 hard drives. Windows XP is already on a 120 GB drive and and Ubuntu 12.10 will go on a separate 80 GB hard drive. Both drives are IDE using a 80 conductor cable where the 40 pin blue connector connects to the motherboard. The middle connector is gray and is "normally" used for slave (device 1) and the black connector at the very end of the cable is meant for the master drive (device 0) or a single drive if only one is used. First, I do not wish the XP drive to have its boot modified by Ubuntu in any way. It should remain untouched...virgin. Let me know where the XP drive and the Ubuntu drive should be connected based upon the cable I've mentioned above, as well as jumper settings for both during the whole process. I'm just guessing, but should I remove the XP drive and put the empty Ubuntu drive in its place and install Ubuntu? By the way, I already have made the DVD ISO disk. For your information, the BIOS for this machine is version A03. When I tap F12 to get to the boot menu, I have the following choices: Normal (this will take me to a black screen with white type giving me the choice to boot to XP or to my external USB backup recovery drive) Diskette Drive Hard-Disk Drive c: IDE CD-ROM Drive (Note that if the CD Drive is empty, it will then go to the DVD drive) System Setup IDE Drive Diagnostics Boot to Utility Partition (This is Dell's various testing utilities) Thank you in advance for your help. Guy

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• Dual boot :Windows 7 partition deleted after Kubuntu 14.04 install...Weird!

  - by user292152

  I've bought two new SSD's in order to install Kubuntu on one and Win 7 on the other one. Before I had Linux Mint and Win7 together one just one SSD. So first I installed win7 as recommended, and then used the guided installer of Kubuntu to install Kubuntu. I selected the second SSD, chose the option "use entire disk and install", but to my surprise after rebooting and selecting win7 boot loader from grub2, I got a prompt that my windows installation is damaged, and I need to run the repair option from the installation disk. So I booted into Kubuntu again, fired up kparted and saw that indeed my windows partition got deleted, except the recovery partition. I don't understand what happened. I am not new to this topic, and this was not my first time installing Ubuntu alongside windows. I have never ever had that problem. What can I do to make sure this won't happen again, so I won't waste another 2 hours of my life? ?? Thanks a lot !

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• How to repair ubuntu or restore my windows 7 installation? Nothing helps

  - by AFRIKA

  i had windows 7 installed and I installed ubuntu alongside it. Booted ubuntu and explore it for a while. Turned pc off and went to bed. Next morning wanted to boot into windows but no luck... MBR error... Tried to repair windows using installation disk but it doesn't recognize win installation. Tried console bootrec /fixmbr bootrec /fixboot but still same. So I went back to ubuntu and tried with boot-repair, but got a write error. Restarted pc and now I cannot boot to either ubuntu or windows... Tried to recover NTFS partition with hiren's boot but it cannot find partition. Tried every solution there is on the web but no help... Is there any way to fix it because windows installation is very important to me?! btw, i noticed that grub indicates windows 7 to a sdb2 partition that doesn't exists... And when I RUN ubuntu from CD and browse disk, I dont see any files from windows 7. Is that normal or? http://paste.ubuntu.com/6338340/ PLEASE HELP...

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• Help trying/downloading ubuntu

  - by koolomwee

  I can't try ubuntu. Every time i put in my disk and press try, it shows the ubuntu sign with the dots under it than it shows a command screen basically blinking saying that it closed and canceled applications belonging to ubuntu... Than I tried to download it from the disk... same thing. Than, because I have windows, I tried to download it from the website and it worked. I rebooted my computer and went into the Ubuntu option just to find a blinking command screen again... How do I get ubuntu to work? What does happen (with the command screen) is that it shows commands that are blinking to fast for me to read the whole thing, and then it stops after like a minute or two of blinking. The only thing I do get to read is that Ubuntu commanded some applications to shut down. In the CD one it only has like 5 error messages, and when I reboot and select Ubuntu, there are over a hundred error messages. With the live-cd I have to shut down my computer to use it again. With the reboot and clicking ubuntu option it reboots by itself. I expect it to actually start up with no error messages. UPDATE I've been trying to start Ubuntu for the last couple of days, and I noticed on my last try that it said "SIGNAL 15 RECEIVED"... It also said that it's stopping Bluetooth and all other programs, and that its rebooting Maybe that'll help a little with answering my question... thanks :) this also might help: computer brand/model: HP Windows 7 Home Premium Service Pack 1, HPE240f graphics card: ATI Radeon HD 5570 I also wrote the same question here: https://answers.launchpad.net/wubi/+question/194537 might help a little more with information

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• Cannot find GRUB - Ubuntu/Windows 8 dual-boot

  - by ubeatlenine

  Hello Ubuntu community, I find myself in an interesting situation. I have a Dell Inspiron 531 with Windows Vista. Recently my brother decided it would be a good idea to overwrite Vista with the Windows 8 consumer preview. Since we have had this PC for a very long time, we have long since lost the Vista CD, and according to the Windows 8 preview website you cannot recover your previous OS without it. I thought this would be a good opportunity to try out Ubuntu (since we obviously cannot keep the preview as an OS), but it appears that Ubuntu 11.10 Desktop is not compatible with Win8. Ubuntu doesn't run from the LiveUSB I made, instead it freezes on the loading screen and then disintegrates into black and white stripes. I blamed this failure on Ubuntu not being compatible with win8 yet and tried to install Ubuntu from the USB on a partition made from the remaining space on my hard drive - about 100GB. However the installer crashed while loading modules and told me I didn't have enough disk space. Since then, I have not been able to load either Ubuntu or Windows, BIOS is shifted over to the left of my screen, and I always get the same message: error: unknown filesystem grub rescue> typing "ls" at the prompt gives me the following: (hd0) (hd0,msdos7) (hd0,msdos6) (hd0,msdos5) (hd0,msdos2) (hd0,msdos1) does this mean I have multiple partitions running windows on my computer? Is it possible to recover Vista without the disk? Are all of my problems stemming from Ubuntu not being compatible with Win8 preview? (I realize the majority of my questions are about Windows, but seeing as the prompt I get is for grub I thought I would ask here first.) Any insight anyone has on this predicament would be greatly appreciated.

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• Unable to mount location ubuntu 12.10

  - by Rajesh

  I'm new to Ubuntu. I installed Ubuntu 12.10 replacing windows. Now I'm getting Unable to mount location error while opening the drive. $ cat /etc/fstab # /etc/fstab: static file system information. # # Use 'blkid' to print the universally unique identifier for a # device; this may be used with UUID= as a more robust way to name devices # that works even if disks are added and removed. See fstab(5). # # <file system> <mount point> <type> <options> <dump> <pass> # / was on /dev/sda1 during installation UUID=5fa63194-c19e-4117-95c6-679eb6453d3b / ext4 errors=remount-ro 0 1 # swap was on /dev/sda5 during installation UUID=70f1ec8d-aa45-4de7-a206-747dccd2472b none swap sw 0 0 $ sudo fdisk -l Disk /dev/sda: 500.1 GB, 500107862016 bytes 255 heads, 63 sectors/track, 60801 cylinders, total 976773168 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x0001f10f Device Boot Start End Blocks Id System /dev/sda1 * 2048 970561535 485279744 83 Linux /dev/sda2 970563582 976771071 3103745 5 Extended /dev/sda5 970563584 976771071 3103744 82 Linux swap / Solaris

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• Configuring network to set wlan0 as primary

  - by Sheed

  I recently had to rebuild my pc and decided to go for ubuntu 14.04. I think the mistake I made was I started from a 12.04 install disk instead of the 12.10 disk I'd used previously and when given the option set my primary connection as ethernet (because the wireless option didn't work). After upgrading to 14.04 etc, I managed to get the wireless working, or more using steps like ifconfig -a and the likes I managed to prove that the wireless card etc. is all installed and working. However every time I boot without a hard wired connection plugged in I get the message "waiting for network configuration". I can then once it's booted without a network get my wirless working using sudo ifconfig wlan0 up iwlist wlan0 scan This seems to kick the wireless module into life and it appears in the GUI and I can then select a network, however all the options like edit network and disconnect etc are all greyed out. What I would like of course is if the WLAN0 was just set as my primary default network so I've been looking for a solution to this and it would seem that I need to adjust the old /etc/network/interfaces file but when I try to do so using the sudo vi /etc/network/interfaces command I, well I simply have no idea what I'm doing. Other than that typing :q! gets me out of there before I do to much damage! As far as I can tell (by navigating to the file in the GUI) the output of my /etc/network/interfaces is as follows: (obviously not including the " in each line that's just to break the heading rule of the #) "# This file describes the network interfaces available on your system "# and how to activate them. For more information, see interfaces(5). "# The loopback network interface auto lo iface lo inet loopback "# The primary network interface auto eth0 iface eth0 inet dhcp If this is the case then this clearly doesn't contain what it should do but I don't how to fix it. Nor do I even know if I'm on the right track. Any help would be appreciated thanks :)

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• Problem installing Ubuntu 14.04 into a laptop using Windows 8.1

  - by AlexanderFreud

  I have used Ubuntu on my LG laptop for several years. I lately bought an Acer Aspire V5 laptop which included Windows 8.1. I don't have any data on it; I would like to just remove it completely (that horrible Windows 8.1) and install Ubuntu. I tried using a USB device with Ubuntu 14.04 (64bit version) saved on it. I changed the BIOS configuration, putting USB device first on boot order, Windows Boot Manager last. When I try to run with USB device it doesn't work. Messages like these show up: System doesn't have any USB boot option. Please select other boot option in Boot Manager Menu. Windows failed to start. A recent hardware or software change might be the cause. To fix the problem: 1. insert your windows installation disc and restart your computer 2. choose your language settings, and then click "next" 3. click "repair your computer" If you do not have this disk, contact your system administrator manufacturer for assistance File \ubuntu\winboot\wubildr.mbr Status: 0xc000007b Info: the application or operating system couldn't be load...[?] required file is missing or contains errors. Could someone please write step-by-step procedures to install Ubuntu 14.04 after removing Windows 8.1 ? I already have done a second partition on the hard disk just in case.

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• Upgraded from ubuntu 12.04 to 12.10 issues

  - by ubuntu novice user

  I recently upgraded 12.04 to 12.10 ubuntu and then all hell broke loose. Being more specific, I have a Compaq machine and its hard disk is partitioned into 3 parts, so when I installed Ubuntu 10.04, I installed it in windows, since then have upgraded with each new ubuntu release via the update manager without any problems. I have installed the 64 bit versions. 12.10 downloaded via update manager, and initial downloading of packages was without problems, however, as it tried to install the packages, error messages appeared. The first was one about missing lib files, but I clicked to continue, since I am a relative novice on ubuntu. It continued, and during the restart process, when it was powering down, the computer hanged on the shutting down bit without rebooting for more than half an hour, so I manually shut down the machine and restarted it. Then a new error message appeared stating could not find disk, and I hit the manual fix option, and it now boots to an empty ubuntu desktop with my wallpaper but no launcher and the graphics appears as if this was put on a 640 x 480 resolution, and the screen no longer fits onto my 19" LCD. I had to use Ctrl-Alt-T to log out and then restart from there. How can I resolve this issue. Please help!

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• Why does Ubuntu 12.10 Beta2 insist on commiting changes to the partition table?

  - by Uten

  Why does Ubuntu 12.10 Beta2 insist on commiting changes to the partition table even as no real changes has been done? This is a show stopper for me as I'm installing without a CD/DVD ROM. This is how I go about it. I downloaded the iso image and extracted vmlinuz and initrd.lz to the same folder I keep the iso image. Configured grub (0.9x) to boot /ubuntu/vmlinuz with the iso image like this: title ubuntu live-cd kernel /ubuntu/vmlinuz boot=casper iso-scan/filename=/ubuntu/ubuntu-12.10-beta2-desktop-i386.iso ro quiet splash initrd /ubuntu/initrd.lz boot This works well and I get a running livecd session. The iso image is mounted on /isomedia (or something similar). The spare HD space where I want to install Ubuntu is in the logical area (at the wery end of the disk). I have tried both to use the space as empty and preformated with ext4. After selecting the partition and selecting "use as ext4" and selecting a mountpoint (/) I get the message: "The installer needs to commit changes to partition tables, but cannot do so because partitions on the following mount points could not be unmounted" "/isomedia" (or something similar). Is this a "feature" of the installer? To insist that everything is unmounted even if no changes is nescesary (as fare as I understand). It's probably a safety feature but is it needed? I have cahnged layouts with parted and gparted (at the end of the disk) for years without any failures. I understand that booting the iso image like this is not the common way. But it is just such a beautifull way of doing it when you hav a running system and want to play with another. Any one had any success installing Ubuntu (12.10 beta2 ) like this? Best regards Uten

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• How do OSes work on multiple CPUs? [on hold]

  - by user3691093

  Assumption: "OS es (atleast in some part) should be written in assembly.Assembly programs are CPU specefic." If so how can one os run on different CPUs ? For example: how is that I can load Ubuntu on different systems having different CPUs (like intel i3,i5,i7, amd a8,a6,etc) from the same bootable disk? Does the disk contain seporate assembly programs for each CPU? Are these CPUs 'similar' enough to run the same assembly program? Is my assumption wrong? Something else.... Thanks for responding. I tried to find out in what way are the CPUs that I mentioned 'similar'. I came across the concepts of Instruction Set Architecture and Microarchitecture of CPUs.A CPU will understand a program if it is combatible with its ISA. Even if CPUs are 'wired up' differently (different microarchitecture) , as long as the ISA implemented on top is same ,the program will work. ARM and x86 have different ISA ( that why there are 2 windows 8 versions, right?). And if an app program is written in an HLL with compilers for both platforms we will saved from wasting time writing 2 programs. Did I understand anything wrong? Are there programs that can take a compiled program as input and produce a program executable on another CPU as output? Is it possible? (Virtualisation?) 32 bit windows programs do install on 64 bit windows ,dont they? Arent 64 bit CPUs 'differerent' from 32 bit CPUs? They do get seporate OS versions, right? Is this backward combatibility achieved using programes mentioned in (3) ?

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