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• Velvet screen after grub selection

  - by Spleen

  After a fresh install of Ubuntu 11.10 64-bit, the boot seems to stop after selecting the ubuntu option (same with the rescue one) in the grub menu. At first I thought this was related to grub-efi, as I've had similar problems after a Ubuntu 11.04 update which replaced grub-efi with grub-pc and got me stuck on a "elf magic" grub console (https://bugs.launchpad.net/ubuntu/+source/apt/+bug/800910). While the 11.04 problem was resolved with a simple chroot and apt-get install from the live cd, that solution doesn't work this time. The drive with the bootloader is a sata3 ssd with 64 gb gpt (sdb1 20 mb efi boot partition fat16, sdb2 60 gb root ext4 and sdb3 4 gb swap) on a msi e350ia-e45 mainboard with a pair of 2 TB ext4 mbr drives for photos/music/movies. I've tried a few grub-install/update-grub with boot-directory sdb1 from chroot, but I cant seem to go anywhere. Even this guide: http://en.gentoo-wiki.com/wiki/Grub2#EFI (ofc I replaced grub2 with grub in the grub-install and efibootmgr commands) doesnt seem to get me anywhere. Any help or ideas are appeciated ;) edit: I guess its the combination of gpt/uefi that also seems to haunt f16 edit: same with 12.04 beta btw

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• how do I uninstall old kernel options listed in Grub2? [closed]

  - by user12809

  Possible Duplicate: Is there a way to remove/hide old kernel versions? I installed Ubuntu Tweak in Ubuntu 11.10, went to Janitor, and selected and removed old kernels that appeared there (3.0.0-12). Now, the only installed linux-image that appears as 'Installed' in SPM is the most recent one (3.0.0-13), which is the one I want. It did not however eliminate the kernel listing in Grub 2. At boot: However, at boot, in Grub-2, the following options still appear: 3.0.0-13-generic 3.0.0-13-generic (recovery mode) 3.0.0-12 (generic) (on /dev/sde5) 3.0.0-12 (generic (recovery mode) (on /dev/sde5) And, in Terminal, when I change directory (cd) to /boot, and then list (ls), I get the following listed kernels: 3.0.0-13 2.6.38-12 2.6.38-8 (al There is no change when I sudo update-grub in Terminal 1) what is /dev/sde5, and where is it located in the file system, so i can delete it? 2) why the differences between what appears as installed in SPM, what appears at boot in Grub2, and what shows when I list the contents of Grub2 in Terminal? Ultimately, I simply want to remove the 3.0.0-12 kernel options at boot in Grub2. How do I best and simplest do that? Thanks again donofrij is online now Report Post Edit/Delete Message Reply With Quote Multi-Quote This Message Quick reply to this message

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• Windows 7 – Fun with VHD

  - by guybarrette

  I’m teaching about TFS 2008 next week and I wanted to use TFS in a virtualized environment so I downloaded the TFS + Team Suite VPC image from Microsoft’s Website.  Working with Windows 7, I opened the VM with the built-in Windows Virtual PC.  The VM loads fine but the problems started when I tried to install the VM additions: I simply couldn’t get them to install properly. I then looked at VMware and found that they have a product called VMware Player that can load Virtual PC VMs.  Tried that but VMware Player failed in converting the VHD. I then looked at VirtualBox.  Created a new VM, attached the VHD and bingo!  Worked like a charm.  The only real caveat is that the guest Windows will ask for the OS CDs to install new drivers so you must have either the CD/DVD or the ISO file (sweet!) to proceed. OK, I got it working in VirtualBox but I’m curious why I couldn’t install the additions from Windows 7 Virtual PC onto a Windows Server 2003 VM.  Anyone has a clue? BTW, thanks to Rolly Perreaux who pointed my to his blog where he goes into great details explaining how to use VM images with VirtualBox.  Good stuff! var addthis_pub="guybarrette";

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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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• UBUNTU's Network Connection Manger can't detect Huawei ETS2051 Modem device!

  - by Doctoa

  I have a modem device called Huawei ETS2051 and the Network Connection Manger can't detect it, but when I use Gnome-PPP it work fine but the problem is when I use Gnome-PPP; apps like Ubuntu software Center Can't reconice that's Iam connecting to the Internet so the app is just act like it's offline while other apps like web browsers and IM's work good under Gnome-PPP. any way what I want is to have a Full Ubuntu experince by making The Network Connection Manger detect my ETS2051. I have another 3G USB modem and The Network Connection Manger detect it and it's work just fine but the internet price for this one is high and I can't effort it so am count on that ETS2051 modem as you can see for it's low price and stable internet speed that satesfy my needs. More information: Gnome-PPP is a GUI for wvdial. the ETS2051 modem use a serial USB port. I have a Windows driver CD for the device. I have also find This qustion about the software Center acting like it's offline around wvdial and there's this launchpad bug. and am really insest to use Ubuntu Software Center so please no other software manger apps recomendation... I've also this Genius ColorPage HR6X Slim scanner that's Ubuntu can't detect it, so if you interset you can check and answer the qustion from here...

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• Will the Driver Support for Intel HD Graphics be Improved in 12.10?

  - by Hiranya

  I recently installed Ubuntu 12.04 on a HP Pavilion dv4 laptop. This is a core i7 machine with Intel HD graphics and also a separate nVidia VGA card. I had a lot of issues getting Ubuntu 12.04 working on this system. First there were issues booting up the live CD for installation. I worked around that by using the 'nomodeset' option. Then I continued to have similar issues after installation has completed. So I had to permanently add the nomodeset option to my GRUB boot configuration. At the moment I have a working installation but there are many issues: Ubuntu GUI is a bit flaky at times. The mouse pointer goes on and off when hovering over certain icons. Certain things doesn't get rendered properly on the screen. I can't access any of the tty consoles. Hitting Ctrl+Alt+F[1-6] gives me a blank screen. And once that happens I can't even come back to the UI by hitting Ctrl+Alt+F7. I've realized that tty consoles are actually working. I just can't see the text. If I enter a command like 'sudo reboot' into the empty screen the machine reboots. Can't get external displays (monitors, projectors etc) working. But I think this is probably because the VGA out is wired to the nVidia card which is not being used by Linux. colord program crashes every now and then triggering a popup message. So my main question is, will the support for Intel HD graphics be improved in the next release? Or will I have to keep using the nomodeset option in the new release too? Also I appreciate if anybody can shed some light on any of the issues listed above. Thanks in advance.

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• No operating system found even when grub2 was reinstalled

  - by Cruzer

  I know there have been many variations on this question and have certainly tried to do my research. I don't really know what I'm doing so I would rather not take risks. I am trying to dual boot xubuntu and windows 7. I started out with xubuntu and just installed windows. Of course, the mbr got overwritten and windows didn't seem to recognize linux. So I booted to the live cd and rewrote the mbr. And of course, now I get the error "No Operating System Found" on startup. I have been following these tutorials to help me out. community.linuxmint.com/tutorial/view/245 unix.stackexchange.com/questions/96977/grub-wont-install ubuntuforums.org/showthread.php?t=2036730 Specifically, I ran these commands: # sdb2 is the partition with xubuntu sudo mount /dev/sdb2 /mnt # sdb1 is my boot partition sudo mount /dev/sdb1 /mnt/boot # not sure what this does, but ran it anyway... for i in /dev /dev/pts /proc /sys /run; do sudo mount -B $i /mnt$i; done sudo chroot /mnt #once chrooted grub-install /dev/sdb update-grub here's a link to my gparted https://www.dropbox.com/s/zpbbzh9z7k1l3pj/gparted.png EDIT--- didn't realize that the drive letters are different in the picture than in my code (its sda in the pic instead of sdb). I have been restarting a lot and sometimes the drive letters change and make my usb into sda.

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• Windows Recovery from Grub messed up my computer?

  - by Hudson Worden

  Ok so I'm a noob when it comes to Operating Systems and I think I really messed up this time. So I have a laptop that dual boots Windows 7 and Linux Mint 11. I was trying to boot into Windows 7 but it would just have a black screen with a blinking cursor. So I turned off my computer and tried again. Still a black screen with a cursor. So I thought "well it must be broken somehow and I remembered seeing something like 'Windows Recovery' from the boot menu so I should try it." So when I turned on my computer a third time I selected 'Windows Recovery' (Something like that I can't remember exactly what it was called). After I had selected that I got a white Windows window that said in big red letters "ERROR". I turned off my computer again a turned it back on expecting the Grub menu to reappear. I was wrong. Instead I am greeted with error: no such partition grub rescue. Then I put in a live CD for ubuntu 11.04 and tried looking at my partitions using the disk manager. Looking at my partitions I notice that there isn't a Linux partition anymore and in its place is a unallocated space partition yet the Linux Swap partition is still there. My windows partition is still fine and I can access the files in it. If you understand what has happened, is there anyway I can get my files back? I don't care about reinstalling the OS again. I just want those files that are in the Linux Mint partition.

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• ubuntu 12.04 installer does not recognize drive partitions

  - by endless forms

  I recently purchased a new HP Pavilion HPE desktop running Windows 7. I am trying to install a dual-boot system with 12.04. However, when I run the LiveCD I only get as far as the "Install" window where you can select the partitions for your drives. On the bottom where it says "device for boot loader installation" I have "/dev/sda" and cannot select any other devices. All the options to change the drives are greyed out, most likely because there are no drives in the window. I partitioned my largest drive using the tools within Windows, then booted into the CD, but nothing shows up. I then used Gparted to change the new space from unallocated to an /ext2, and still nothing shows up. The installer does not recognize anything, but when I go into an Ubuntu session and use the disk utility manager I can see the partitions I made. Anything I do has to be done outside of the installer. I have no files on this new computer, so this is the perfect time to install a parallel OS. I would like avoid completely reinstalling Windows, however. I've been over the forums many times, but all the answers I've found have not worked for me. I also tried flagging the new, empty partition as boot, but that screwed Windows up. Also, the WUBI installer hits the same point and quits. I know that the disk itself is fine because I just made another dual boot system on a Gateway PC. This makes me think something within this computer is preventing the installer from "seeing" the drives. Any help would be much appreciated! Edit in response: The main part of the partitioning window shows no partitions, everything is blank. There is no way to add partitions, and all the buttons are useless. I've tried defragging my drive multiple times, and I also used the same disk to dual-boot another PC with no problems, so it's not the disk, it's definitely the computer.

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• Touchpad won't work/not recognized on laptop, Ubuntu 11.10

  - by The_McManus_Position

  When I start out running 11.10 (Ocelot) from the Live CD the touchpad works with no problem. Once installing however the touchpad does not work at all. I have installed all updates available. I have tried installing the synaptiks touchpad package and the gpointer package from the software manager, this did not help. Under System Settings - Mouse and Touchpad there is only a mouse tab, no touchpad tab. It seems my touchpad is not even recognized. I have tried running several things in the terminal that I have found under similar questions, but I always get errors about the files not being found, or the drivers not being found. Have tried: sudo modprobe -r psmouse sudo modprobe psmouse proto=imps This results in an error message. dconf-editor Can load the GUI, but after that I can't seem to navigate through it to find the files that need editing. Read what's listed here. But I've got no GRUB, running only Ubuntu. As you can see I've been trying several things and nothing has worked so far, would appreciate any help. Thanks!

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• Login Screen hangs after entering password

  - by Ravi

  When I enter my password in the login box nothing happens. It gets stuck. It was running fine earlier. I have installed gnome-panel and cairo-dock, after which, I logged out, logged back in, and choose gnome classic session. I also added a ppa from the webupd8.org to install the themes (link). I opened Ubuntu Tweak tool, and changed the theme to Evolve the whole laptop stopped responding. The keyboard and mouse were unresponsive. So I was forced to do a shut down. Now whenever it starts, I cannot login into Ubuntu. I hear the fan noise, as its spinning very fast, when the laptop freezes.(Probably the CPU is running at 100%). Please help me. How can I login back to Ubuntu? I am using Ubuntu 12.04 and have installed all the latest updates.. EDIT: I want to know how can I delete a folder from the file system using the live CD?

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• Software Center does not load

  - by eim

  I'm having problems with opening my Software center and it just shuts off after loading a few seconds. I can't even get it to the main page of the Software Center. I did try to follow these commands but of no avail: sudo apt-get purge software-center sudo apt-get update sudo apt-get install software-center Instead, I get an error after entering the first command: eim@eim-VAIO:~$ sudo apt-get purge software-cente Reading package lists... Error! E: Encountered a section with no Package: header E: **Problem with MergeList** /var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_precise-security_universe_i18n_Translation-en E: The package lists or status file could not be parsed or opened. I tried doing this aswell: Run : cd ~/.cache; rm -r software-center (nothing happened) And this: Add /usr/lib/policykit-1-gnome/polkit-gnome-authentication-agent-1 to the Startup applications error message: eim@eim-VAIO:~$ /usr/lib/policykit-1-gnome/polkit-gnome-authentication-agent-1 Gtk-Message: Not loading module "atk-bridge": The functionality is provided by GTK natively. Please try to not load it. ** (polkit-gnome-authentication-agent-1:3563): WARNING **: Unable to register authentication agent: GDBus.Error:org.freedesktop.PolicyKit1.Error.Failed: An authentication agent already exists for the given subject Cannot register authentication agent: GDBus.Error:org.freedesktop.PolicyKit1.Error.Failed: An authentication agent already exists for the given subject I think I've done all the possible fix to this problem as suggested on my research. But I can't seem to get this work. Can someone please help? NOTE: Okay... Guess I just found the solution to my problem. I'll just post the answer here since I can't answer my own question yet. Open terminal: sudo rm /var/lib/apt/lists/* -vf sudo apt-get update Now I can open my Software Center! I found the answer here: How do I fix a "Problem with MergeList" error when trying to do an update?

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• I have Ubuntu only and need to install Windows

  - by Terzuz

  I had Windows 8, I installed Ubuntu for a new OS, Then I want to sadly go back to Windows , I have a Windows Vista *.iso but I can't boot from it. When I try to extract the '.iso file and have the contents on my USB so it can boot up , When I restart and click F9 for my Boot Device Options , Only my Hard Drive and CD ROM are there but my "Generic Flash Drive" is not , But when I do not have Windows Vista '.iso on it , It will show up in the list. How can I make a partition of some sort, Provide instructions since I am new at this all , then I need to be able to use the Windows Vista installer and install Windows Vista, I would like Dual-Boot if possible. Info: I have the HP 2000 Laptop (Mine was removed from the Best Buy Website so the closest laptop to the specifications and the design is the link at the bottom) I am running Ubuntu 12.10. I have 4GB of RAM , 220 GB in my Hard Drive left , I have a USB Flash Drive which works sometimes , other times it fails. Note - I tried using GParted in Ubuntu but I had a problem where the main drive with 220 GB Free was locked , I am not sure what to do and can not find the correct forum. http://www.bestbuy.com/site/HP+-+Pavilion+15.6"+Laptop+-+4GB+Memory+-+320GB+Hard+Drive+-+Pewter/5043836.p?id=1218608951204&skuId=5043836

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• How do I upgrade from ubuntu 9.10 to 12.10 on my Acer Aspire 3000

  - by 770

  I had my Acer Aspire 3000 as a dual boot XP/ubuntu 9.10 a couple years ago. I recently blew the dust of it and wanted to upgrade to 7/Ubuntu 12.10 so I began by formatting the Ubuntu side of the partition and apparently damaged the mbr as I could only get black screen with the error message: GRUB loading. error: no such partition grub rescue I then slaved the hdd to my win7 desktop and formatted the entire drive, both sides of the partition then reinstalled it in the Acer and tried to install win7. Upon starting the Acer I got the same error message: GRUB loading. error: no such partition grub rescue I then tried to reinstall Ubuntu 9.10 as I have an Ubuntu produced installation cd. Same result. Next day I received a new battery I had ordered for the Acer. I plugged it and the power supply in and hit the power button just to see if I at least could charge the battery but to my surprise Ubuntu 9.10 began to install, so I let it and it did. Now the hard drive shows 58 gb and 2.5gb partitions neither of which is formatted NTFS for/by windows. I am guessing that the GRUB/mbr was repaired somehow by the Ubuntu reinstallation. My question, should you choose to accept it; How can I get to my goal of dual boot win7/Ubuntu 12.10. I am a beginner and don't know much about linux or the terminology. Thank you for your thoughts and help.

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• Can't boot after compiling 3.1 kernel, can only get to terminal

  - by olssy

  Long story short: I tried compiling kernel 3.1 on Ubuntu 11.10 at the same time I had an update waiting for a reboot. Computer would boot to a black screen and would hang there. Ended up installing 11.10 on top of old install with a Live CD. Now I had a purple screen on bootup but it would end up booting. Realized Grub was the problem and tried some stuff but nothing worked. I ended up trying to install propriety ATI video drivers and since that nothing has worked, no grub menu(purple screen) and when it boots into the kernel it ends up hanging, I can sometimes get a terminal up with alt-fx. I have tried removing the ati drivers with the ati script, purging my fglrx driver, reconfiguring my xconf.org and following any tutorial I can find about fixing a broken graphics driver, but to no avail. I've gotten to a point were it seems that the ati propriety drivers are correctly loaded but it still has no grub boot menu and won't boot into Ubuntu. I've chased down my logs and this line is from kern.log: unity-greeter[3269]: segfault at 0 ip b7245cbbsp bf9d3900 error 4 in libgio-2.0.so.0.3000.0[b71ad000+142000] That line leads me to believe I don'T have the correct libgio-2 librairy on my system but have no idea how to find out what package has the correct version... My xorg.conf has no errors and seems to imply the fglrxdrm module got loaded correctly. Would be a bit complicated pasting the whole file here but if it would help I'll post it. LAstly, running fglrxinfo give me: Error: Unable yo open display (null) Any help or link to another tutorial would be appreciated. Thanks.

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• Error on /home prevents OS boot

  - by mdrg

  Ok, I'll try to explain it listing the events: motherboard battery is weak, loses config everytime I shut the PC down; system clock usually back to 1990-something; this time, it went up to 2148; ubuntu became somewhat unusable (firefox refusing certificates, dropbox blocked), so I restarted; manually set the clock to current date and restarted; during boot, ubuntu detects errors and start auto-fix, rebooting itself in the middle of it (like a hard reboot, no shutdown messages) next time, shows boot animation screen in text mode, with an error message after a while: "Errors were found while checking the disk drive or /home", with "attempt to fix, ignore, skip mounting or manual recovery" None of the options during the boot work, they just type the text to the screen, then I'm forced to physically restart. Now I'm using Mint LXDE live CD, and I can see all my partitions just fine, including /home (my home folder blocked due to encryption, the other user folder is accessible and everything in place). I'm not sure how to proceed now. I'd like to just fix ubuntu boot without reinstalling or anything like it (at least until 12.04). What should I do now? can I easily fix this somewhow? Thanks!

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• Linux, GNU GCC, ld, version scripts and the ELF binary format -- How does it work? [closed]

  - by themoondothshine

  I'm trying to learn more about library versioning in Linux and how to put it all to work. Here's the context: I have two versions of a dynamic library which expose the same set of interfaces, say libsome1.so and libsome2.so. An application is linked against libsome1.so. This application uses libdl.so to dynamically load another module, say libmagic.so. Now libmagic.so is linked against libsome2.so. Obviously, without using linker scripts to hide symbols in libmagic.so, at run-time all calls to interfaces in libsome2.so are resolved to libsome1.so. This can be confirmed by checking the value returned by libVersion() against the value of the macro LIB_VERSION. So I try next to compile and link libmagic.so with a linker script which hides all symbols except 3 which are defined in libmagic.so and are exported by it. This works... Or at least libVersion() and LIB_VERSION values match (and it reports version 2 not 1). However, when some data structures are serialized to disk, I noticed some corruption. In the application's directory if I delete libsome1.so and create a soft link in its place to point to libsome2.so, everything works as expected and the same corruption does not happen. I can't help but think that this may be caused due to some conflict in the run-time linker's resolution of symbols. I've tried many things, like trying to link libsome2.so so that all symbols are alised to symbol@@VER_2 (which I am still confused about because the command nm -CD libsome2.so still lists symbols as symbol and not symbol@@VER_2), but nothing seems to work. What am I doing wrong?

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• Installing Windows from Ubuntu while booting only from the hard drive

  - by WindowsEscapist

  My problem is unrelated to this workaround (the question) here, but the end result is that I cannot change boot order (or use a boot menu) on my laptop. It is currently running Ubuntu 12.04 with a dual-boot to Fedora if anything goes catastrophically wrong with Ubuntu (read "if I mess it up"). I would really like to install Windows 7 (but XP would be fine) on an empty FAT32 partition I have already made because of issues with WINE-emulated programs running more slowly than under Windows. The problem is, I can only boot from my hard drive. I can boot from other devices by removing the hard drive, but this is irrelevant because SATA is non-hotpluggable (I can't plug it back in to install). Is there any way I could boot up a Windows installer CD (or other CDs)? (I know how to keep my Linux distros.) I have both the .iso's and the physical CDs (or can obtain them). This may be unneeded, but just as a disclaimer this is completely legal. The computer belongs to me, I have admin privs, etc. I'm not doing anything shady!

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• Is full partition encryption the only sure way to make Ubuntu safe from external access?

  - by fred.bear

  (By "external access", I mean eg. via a Live CD, or another OS on the same dual-boot machine) A friend wants to try Ubuntu. He's fed up with Vista grinding to a crawl (the kids? :), so he likes the "potential" security offered by Ubuntu, but because the computer will be multi-booting Ubuntu (primary) and 2 Vistas (one for him, if he ever needs it again, and the other one for the kids to screw up (again). However, he is concerned about any non-Ubuntu access to the Ubuntu partitions (and also to his Vista partition)... I believe TrueCrypt will do the job for his Vista, but I'd like to know what the best encryption system for Ubuntu is... If TrueCrypt works for Ubuntu, it may be the best option for him, as it would be the same look and feel for both. Ubuntu will be installed with 3 partitions; 1) root 2) home 3) swap.. Will Ubuntu's boot loader clash with TrueCrypt's encrypted partition? PS.. Is encryption a suitable solution?

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• How to correctly write an installation or setup document

  - by UmNyobe

  I just joined a small start-up as a software engineer after graduation. The start-up is 4 year old, and I am working with the CEO and the COO, even if there are some people abroad. Basically they both used to do almost everything. I am currently on some kind of training phase. I have at my disposition architecture, setup and installation internal documentation. Architecture documentation is like a bible and should contain complete information. The rest are used to give directions in different processes. The issue is that these documents are more or less dated, as they just didn't have the time to change them. I will be in charge of training the next hires, and updating these documents is part of my training. In some there is a lot of hard-coded information like: Install this_module_which_still_exists cd this_dir_name_changed cp this_file_name_changed other_dir_name_changed ./config_script.sh ./execute_script.sh The issues i have faced : Either the module installation is completely different (for instance now there is an rpm, or a different OS) Either names changed, and i need to switch old names by new names Description of the purpose of the current step missing. Information about a whole topic is missing Fortunately these guys are around and I get all the information I want and all the explanations I need. I want to bring a design to the next documents so in the future people don't feel like they are completely rewriting a document each time they are updating it. Do you have suggestions? If there is a lightweight design methodology available online you can point me to it's nice too. One thing I will do for sure is set up a versioning repository for the documents alone. There is already one for the source code so I don't know why internal documents deserve a different treatment.

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• Unable to start after 13.04 > 13.10 udate

  - by romainl

  At the end of the update process, clicking on the Restart button had no visible effect whatsoever. After waiting 5 to 10 minutes, I decided to reboot the computer manually. Since then, I rebooted a good dozen times (not with the hope that it would work but with the hope of reading the messages) with the same non-result and the same symptoms: I get the ASCII text-on-purple Ubuntu 13.10 . . . . splash screen with these messages: * Restoring resolver state... [OK] * Starting crash report submission daemon [OK] * Starting CUPS printing spooler/server [OK] Everything disappears. The whole process hangs at a purple screen with the mouse cursor right in the middle. At this point, I'm unable to use the mouse and the keyboard. Booting from a 12.04 CD works perfectly, Disk Utility says that all my disks are OK and I can mount my main partition without problems. Something obviously went wrong at the end of the upgrade but I have no idea what. I'd appreciate any pointer. This is the kind of moment where you really think "Next time, I'll separate my /home partition for sure". My machine is an aging but working Dell Inspiron 530 with an Intel Core Duo E2160 processor, 2 GHz of RAM and an ATI Radeon HD3650 video card. Thanks.

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• How to fix GRUB on dualboot with Windows7 and Ubuntu?

  - by b_oliv

  I am a relatively recent user of Linux. I had several releases of Ubuntu installed on my laptop working in dual-boot and never had any issues. Recently, I installed openSUSE because I thought it would be necessary for an assignment at my university. It turns out it wasn't so I returned to Ubuntu and decided to burn the new .iso to a CD and install it. The problem is that during installation process I almost for sure messed up with the partitions and now, whenever I tried to load Windows 7, it will tells me that a required device is inaccessible. So, I reinstalled Ubuntu again and now all I get is that I am redirected to the GRUB menu without any warnings. I tried creating a Windows Recovery Disk but it gives me Unexpected I/O error. I suspect it is because it was downloaded from the Internet and maybe some files weren't there. I tried everything without success, so I decided to ask here, in the hope I can receive some help and also learn how to help others with it in the future. Here it is my boot info summary: http://paste.ubuntu.com/1344990/ Also, I might add, that on the boot-repair advanced options, the box repair Windows boot files is "locked", so I can't check it. EDIT: Apparentely, the box is locked, because, from what I understood after reading the boot-repair information, everything is fine with my windows boot-files... I still need some guidance though

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• Dell Inspiron7520 and ubntu 12.04 issues

  - by user91358

  I have a DELL Inspiron 7520 in the highest configuration: 3rd Generation Intel® Core™ i7-3612QM processor (6M Cache, up to 3.1 GHz) 15.6" Full High Definition (1080p) LED Display 8GB3 Dual Channel DDR3 SDRAM at 1600MHz 1TB 5400RPM SATA HDD + 32GB mSATA SSD w/Intel Smart Response Blu-ray Disc (BD) Combo (Reads BD and Writes to DVD/CD) AMD Radeon™ HD 7730M 2GB 6.09 lbs and I have installed Ubuntu 12.04 few days ago and I'm facing some issues: 1) sometimes the whole ntb freezes and I have to hold power button for 5 secs to shut it down. I think it is something with VGA and connected external monitor. I have read somewhere that it is already a reported bug, but what I am not sure about that it is doing sporadically. Sometimes it freezes right after I log in, sometime I ran few hours and then it freezes. I am using those proprietary drivers but I wasn't been able to install those with updates. 2) the next issue is the fan is quite noisy even when the ntb is almost Idle. (max 10% CPU usage). Can you recommend me some software which could do this power management to lower the noise? I have tried CPU frequency scaling indicator, but it seems that it has not any effects. 3) and issue no. 3: when I want to log out, restart or shutdown using the menu in upper right corner the upper and left trays disappear, but programs are still running and they won't close to complete log out or shutting down the OS. When I use the CLI command, it works fine. Thanks for any help you can provide.

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• VMware Player 5.0 or VMware Workstation 9.0 after upgrade to Ubuntu 12.10

  The upgrade process Upgrading Ubuntu 12.04 to latest version 12.10 - aka Quantal Quetzal - is straight forward and you only need to follow the offical upgrade instructions. Short version on the console looks like this: sudo do-release-upgrade This will update the repository entries, and start the upgrade process. After some minutes or hours of download and installation, you have to reboot your system once to get the new kernel loaded. As time of writing, I'm on '3.5.0-17-generic'. And as with any modification of the kernel version, you have to compile the necessary kernel modules to get VMware Player or Workstation up and running. Usually, this happens the first time you try start your VMware software and that's it. Well, again not so this time. Getting the kernel patch Luckily, the community over VMware is very active and you can get a new kernel patch in the online forums here. Get the download and put in a folder have write permissions. Then you extract the archive on the console like so: tar -xjvf vmware9_kernel35_patch.tar.bz2 Then you change into the newly created folder: cd vmware9_kernel3.5_patch/ And you execute the available shell script as root (superuser) like so: sudo ./patch-modules_3.5.0.sh This will stop any running instances of VMware software, patches the source files and runs the compile process for your active environment. This might take some time depending on your machine, and once completed you can start VMware Player or Workstation as previously. In case that you are going to apply the patch again, the script will simply quit with the following output: /usr/lib/vmware/modules/source/.patched found. You have already patched your sources. Exiting You might remove the .patched file in case that you upgraded/changed your kernel and you need to apply the patch again. Disclaimer: The patch is "as-is" and the patcher is originally created by Artem S. Tashkinov, and later modified by An_tony. Please refer to the VMware forum in case of questions or problems. There are also patches available for older versions of VMware Player or Workstation.

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• batch: comparing filenames and renaming [migrated]

  - by user2978770

  i'm new to both this platform and batch programming and i'm slowly but steadily driving crazy :-( I'm studying in Germany and just started on a bigger project that mainly consists of analyzing data and finding algorithms in order to maintain a certain function of a system. In order to get started i got a bunch of recorded data that, unfortunately, is not consistent when i comes to naming. Normally all files (all in one folder) should start with SPY.SPYNODE.SIDE and then go on with the specific names for each values or variables. However, the data logger messed it up a couple of times and gives weird names like SP0E1A~1.csv (all files are .csv-files). An that's when i figured in stead of renaming a couple of thousand files manually i could "easily" use a simple batch file to do that job for name. And that's exactly when I started to go crazy :-) So far i came up with the following: FOR /R %%i in (%CD%) DO ( set file1=%%i if not %file1%=="SPY.SPYNODE.SIDE" DO ( set /p "filename" < %file1% rename %file1% %filename% ) ) So what i want it to do is this (in pseudo) look through the whole folder and every file save the filename in variable file1 if file1 partially equals SPY.SPYNODE.SIDE open the file and save the first line (which contains the correct name of the file) in variable filename rename the file with the correct filename But so far it doesn't really work and i don't know why. Could anybody give me a hint or some advice how i should proceed? I really appreciate any kind of help!

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