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I have Fedora 11 installed on VirtualBox. By accident some files in /var directory were damaged or removed(I don't know what exactly). Now when trying to run Fedora, it goes untill choosing the user and freezes. No reaction at mouse and keyboard clicks. Does anyone have any suppositions how to run it, or at least how to retrieve files from virtual machine? I booted it to the terminal where I updated all what is possible - gnome, etc...But still no result.
It's impossible to know what happened without knowing what got removed. However, a great way to get your files out is using scp. Good examples for this can be found here.
Alternatively, if you've installed the Virtualbox Guest Additions you can use a USB drive to retrieve your files. There's a pretty good tutorial on how to get your USB drive working on VBox here.
If you want my best guess as to what's wrong, something in your /var relating to your GUI got removed, as from what I understand you can still boot to your command line. My suggestion would be to get what you need off the machine using the above tools and get a fresh install.
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I've genuine windows 7 laptop(Sony vaio - i3).
My system is too slow in normal mode that win10 installer does not run.
But it's system is faster if I'm in safe mode.
How do I upgrade my OS to windows 10 in SAFE mode ?
I think you should try and fix the issue of your computer running slow. There are lot of things that can make your system run slow. But you should try run cleanup and defrag ur hard drive. Also disable some start up programs and reduce apps running in background.
Concerning upgrading to Windows 10, it is not necessary you have to use media creation tool. You can download an ISO file online and create an installation media with it. You can get windows 10 iso file from websites like getintopc. Less I forgot, try and download November update ISO file.
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Being Belgian, all laptops come with windowsTM pre-installed. Ingnorantly, I bought on thinking I would be able to install (K)ubuntu. I found out the UEFI is just microsoft's way to prevent you doing this. It stops you booting from USB or CD, it does not allow installing Linux or anything.
I tried the F2/F10 options and settings, I disengaged the security options, disabled secure boot, changed boot order, I tried changing HD with compatible laptop and running OS, tried to bang it against my head, nothing lets me install Linux, it just says:"no bootable device found"
UEFI dual booting Linux and Windows is big tangled mess. I've pulled it off with Ubuntu and Fedora, but after a lot of effort. There are a lot of important variables here. I'm more likely to be able to offer a solution with the following info:
Which media are you using – USB or optical?
How did you create the media? (e.g. Pendrive, Rawwrite, etc.)
Which laptop manufacturer? (This is surprisingly relevant)
Also, it will help us all in the long run if we get more insight into the specific UEFIs and start documenting this issue more thoroughly. UEFIs are embedded software typically written by third-party companies like Insyde. You can find yours by installing a Windows system detailer like Speccy or HWInfo64. See the attached screenshot from Speccy. This info is unlikely to help here and now, but it will help us long-term: I'm looking to create a repository for these UEFI boot issues if someone hasn't done so already.
Try installing Fedora 22. There is a UEFI trampoline to get passed this hurdle. If I had a UEFI machine I'd have tested this answer; it is theoretical at best.
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I have a Vbox server running Centos 6.5 32bit, and I have it set as a dev server for some web apps I'm working on.
Guest Additions was working fine until there were some updates in the CentOS system. Upon reboot, guest additions does not work. The disc shows on the desktop, and I choose auto run when it comes up, but all it does is have a window popup and disappear very clickly (within the blink of an eye), and thats it. No error messages.
When I choose "Install Guest Additions CD Image" from the VBox tool bar I get the following image:
Where might I find a solution to this problem. I will be glad to find whatever info needed in the system, but not sure where to go. I have tried a couple of possible solutions from web searches, but so far I've had no success
this resolved it. manual install
http://www.if-not-true-then-false.com/2010/install-virtualbox-guest-additions-on-fedora-centos-red-hat-rhel/
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Installed Mint on a brand new Lenovo Z585 Ideapad alongside the pre-installed Windows 8. Everything seemed to go fine, until the reboot, which simply dumped me at a Grub prompt.
I tried the usual ls investigations, but my Mint partition (/dev/sda9) returns an error along the lines of "invalid file name ''." - sorry I can't be more precise right now.
I've booted back into the LiveCD and run boot-repair, which generated the following summary - http://paste2.org/Owy3XNpH.
os-prober recognises my Windows installs (the real install and the recovery thinger), but no Mint.
As far as I can see, browsing the partition through the live cd, the install itself is fine, but I'm more than willing to be corrected. Can anyone help?
Adding the answer in case others have this problem.
Turns out that SecureBoot was in the Security section of the Bios, and not in the Boot section, where I was looking for it.
Disabling it and running boot-repair fixed the problem.
No boot loader is installed in the MBR of /dev/sda
http://wiredrevolution.com/system-administration/install-the-grub-boot-loader-to-the-mbr
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I am trying to install ubuntu 14.04.2 LTE. I have a lunovo ideapad with windows 8. I have followed all necessary steps flawlessly, and even factory reset my laptop to make this smoother. I get this error when trying to boot and install ubuntu. I also get it if i try to run ubuntu without installing. Also I tried re-downloading ubuntu, and remounting on my usb with the universal usb installer.
Is this error due to my computer, or the ubs/unbuntu? There was another option in the boot menu. It was check disk for error. I do not know if it was checking disk as in the iso disk or my hard drive, but a ubuntu lunch screen appeared and it was looking into some ubuntu files (on the usb), when it was done it said there was 2 errors. It did not say what kind or if it repaired it , or how to repair it. It only gave me the option to exit, then lunovo boot screen appeared and it stayed in a attempting to repair loop for quite a awhile so I gave up on that and shut down.
I would ask this in ask ubuntu, but I do not have enough "respect points" to upload an image.
Major respect to anyone who can help me out, I have been to get ubuntu for 2 days now, and I hit a dead end.
This error message can appears in those cases:
1. Your hardware it not compatible, usually ACPI issue. Try to boot with additional options: "noapic" and/or "acpi=off". You should be able to set parameters in "Other options" [F6 key].
2. Your RAM is broken. Check it in "Test memory" option.