Ubuntu :: Way To Configure Grub2 - Change Default Operating System Time To Shown Menu
Feb 18, 2011
I wonder if its any easy way to configure grub2...I dont want to change fonts, background or anything special. Just to change default operating system time to shown menu etc.
Is there anythink like known from KDE? graphical tool to tick what I wont, choose time from list or type it in, click OK to finish and job done... without any manual typing, terminal use etc.
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Jan 27, 2011
i just listening a song on vlc and read this thread. [URL]... After reading complete thread i just off vlc and then start installing software with instructions given in the thread. When google earth installed. i just use google earth only 10 minutes and then again play a song. then vlc looks like this. Screenshot.png and no video playing. no main menu show. What it happen? i try to remove it. sudo apt-get remove vlc and again install it sudo apt-get install vlc
same result.
then i apply
sudo apt-get remove --purge vlc
and install again same result.
i just want to vlc its default condition.
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Aug 6, 2010
I've been using Ubuntu 9.10 for a while now, and i've started to look at other distros of linux. I found PClinuxOS which seemed decent and decided to install it alongside my Ubuntu 9.10 and Windows Vista. The bootloader that came with PClinuxOS recognised my Vista OS, but not my Ubuntu.long story short, i recovered Ubuntu's GRUB becasue i had already edited it to my liking. GRUB found the PClinuxOS partition and added it to the menu. Vista and Ubuntu start fine, but when i try to select the PClinuxOS option, i get this message-type-thing:
[linux-bzImage, setup=0x3a00, size=0x1f9110]vga=788 is deprecated. useset gfxpayload=800x600x16, 800x600 before linux command insteaderror: no such partitionI don't really know, but it almost sounds like GRUB is trying to find the linux kernel, but it cannot connect to the partition for some reason. I have been extremely pleased with Ubuntu, so I really don't need another distro, but I'd like to know how to fix this
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Aug 30, 2010
I recently installed Ubuntu Netbook Remix (10.04) on my brother's Acer Aspire One (751h) netbook, set up to dual boot with XP Professional. The initial install was successful, with both OS's booting correctly. However, after a series of updates and module builds (this machine has the Poulsbo chipset, still somewhat of a mess), Grub2 is now unable to boot XP, displaying the error "Operating system not found."
To be clear, grub works properly (aside from not booting XP), so the MBR is intact, although I've rerun grub-install to be safe. Restoring the windows MBR (using testdisk) boots XP happily, but of course ignores the ubuntu installation. I also had testdisk rebuild the NTFS boot sector, to no change - grub still doesn't work, the windows MBR does. Using the grub console, I can "root (hd0,1)" and see files on the XP partition, but "chainloader +1; boot" again fails with the same error. The ubuntu install can likewise mount the NTFS partition with no problems.
Given the fact that switching the MBR fixes the issue, I'm suspecting a Grub2 configuration problem. However, the simplicity of "root (hd0,1); chainloader +1; boot" leaves me stumped as to what that could be. Also, the error text "Operating system not found" is suspiciously identical to my BIOS's error message when attempting to boot from a non-bootable medium (as I found out while attempting to make a bootable usb stick with my mac).
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Sep 26, 2010
I just reinstalled Ubuntu Lucid Lynx and an old problem has come back. For some reason I couldn't fix it even in my previous installation. The problem is the top gnome panel. See the photo below: As you can see, the network icon is not shown properly while the Me menu is being shown twice. I can't even restart or log out or shut down at this situation without pressing the keystroke to turn the power off.
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Mar 4, 2010
I recently upgraded grub -> grub2 on my karmic box. Grub2 worked when chainloaded from legacy grub, and also the first time I tried it standalone. Both times the grub2 menu came up.
I ran vbeinfo at a grub2 command prompt, and found my monitor's native res listed - 1280x1024. I added that to my /etc/defaults/grub and then ran update-grub, and rebooted. This time no menu appeared and the default entry booted straight away. I suspected that the resolution was not supported for some reason or that the way I entered it in the config file was wrong, so I commented it out again in /etc/default/grub, and ran update-grub again - to no avail.
I have since tried lots of different formats for the GRUB_GFXMODE, such as 1280x1024@24, 1280x1024x24, and the normal 640x480, but none of them give me a grub menu. I have even tried using GRUB_TERMINAL=console, to no avail. I have checked the /boot/grub/grub.cfg file each time to make sure my changes were put there correctly by update-grub. I have also made sure that timeout was set to 10, and the hidden timeout was set to 0. My GRUB_CMDLINE_LINUX_DEFAULT="quiet".
I have reinstalled grub2, grub-pc, and grub-common, and I have dpkg-reconfigured them all too. I have no idea what to do to get my grub menu showing up again.
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Jan 5, 2010
easy way to change the menu in grub2 , was used to editing the menu.lst but it`s gone i know theres a new file called grub.cfg that is done on the fly.
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Jan 6, 2010
How to remove OS's from the GRUB boot menu, and also, how can I change the default booter from Ubuntu to a different OS and edit timeout?
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Dec 15, 2010
So I have Windows 7 and Ubuntu dual booted on my computer, and the default is Ubuntu. I was wondering if it was possible to make it such that the default is the last booted system? As in, if I was in Windows, and restarted, then GRUB would highlight Windows.The mainmotivation is to for when the computer restarts automatically (say after an update). I may not be around during the 10 seconds before it boots into Ubuntu.
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Aug 17, 2010
Is it possible to change the grub 2 menu font size? i have a higher resolution and the entries have very tiny and hard to read. I know i could lower my current resolution but i don't want to decrease the text and picture quality.
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Mar 20, 2010
How to configure tata photan card in my linux operating system. I am using centos.
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Jul 12, 2009
How to configure RAID 1 (hardware RAID 1 or Software RAID1 ) after installation of operating system : RED HAT ENTERPRISE LINUX 5.3 SERVER
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Nov 1, 2010
i had debian linux and windows before but because of some problem in my windows i was persuade to change that but after installing there is no option in boot menu to choose my operating system ,after turning on win7 will work, what should i do? i need my linux immediately.
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Jan 13, 2010
Will a Linux operating system lose data during a power failure as does a Windows operating system?
(If yes.) This has not come up before but I'm going to be doing some work I don't want to lose.
Could you either point me to a backup tutorial or give me the quick overview of preserving stuff with Ubuntu?
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Jan 25, 2011
i am new for using linux OS ,,i am installed ubuntu 10.04 with gnome , all think was rights but when i change to KDE desktop the operating system become very slowly ,
i have this PC information:
RAM: 4 GB
CPU: Core quad 2.666
VGA: Nvidia 9600 1G "it install"
as you see i have a good hardware then what is the problem?
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Oct 5, 2010
As a long time Red Hat/Fedora user, I'm quite new to the Ubuntu/Debian culture, and/or, to the Grub2 specific behavior.I'd like to see Grub2 system selection menu at every boot time even if I only have a single operating system, Ubuntu 9.10, on my hard drive. What should I do fot this purpose?
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Jun 15, 2010
I'm trying to sign up to office-live but I'm getting this error. Is it possible to report to office-live that I'm using windows so I should be able to use the service.
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Apr 1, 2011
At work I'm using a windows box with local and network drives. One of drives I have mapped is my Linux home directory (We have separate windows and linux accounts and home directories here). When I view it from windows, all of the files and folders beginning with . are shown, as would be expected. (Although . and .. aren't in any folder)
Just wondering if there is a way to tell windows to not show anything starting with a dot. I was hoping there's a registry entry or something that defines what a 'protected operating system file' is, so I could put dot files in the same category as thumbs.db etc.
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Feb 11, 2010
Althought /etc/default/grub has GRUB_DEFAULT=6, after grub-update nothing changes and the default menu entry is still the first. Can someone tell me how to change the Grub default menu entry?
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Mar 3, 2010
Yesterday I installed on my laptop (an IBM Thinkpad T42) "virt manager" using the Synaptic Package Manager. I'm running Karmic.
As part of the installation, SPM had me reboot the computer (which is dual-booted with Windows XP, which I use less than 1% of the time). The new GRUB screen came up showing two new initial lines, the first 2 of the following 4 lines:Ubuntu,
Linux 2.6.31-19-generic-pae
Ubuntu, Linux 2.6.31-19-generic-pae (recovery mode)
Ubuntu, Linux 2.6.31-19-generic
Ubuntu, Linux 2.6.31-19-generic (recovery mode)
When I allow the default choice of the first line to prevail, Ubuntu boots up into a condition in which the Wireless Network Connection fails to open, and in which nothing I've been able to think of makes it open.
If, instead, I scroll down to the third line (which was the initial default choice line, i.e., the default choice line prior to the "virt manager" installation), Ubuntu boots up into a condition in which the Wireless Network Connection operates as usual, viz., immediately.
Scrolling down works, but it would be better, it seems to me, to return to the condition in which the current line 3 either becomes line 1 or else becomes the default bootup choice.
I've used SPM to uninstall "virt manager", but the 2 new intial lines in the GRUB options remain. I understand that with Karmic's version of GRUB, viz., GRUB-2, it is no longer possible to change the bootup menu choices easily.
how I can either eliminate the first 2 lines in my current GRUB screen, or make line 3 the default choice?
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Jul 24, 2011
could any one tell me about the uses of linux operating system compared to windows operating system
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Jul 20, 2011
I've installed Ubuntu 10.04LTS next to the Suse Partition. But when I start the Computer, Suse 9.1 is not shown.
I've already tried to do sudo update-grub(2) + grub-mkconf + Manually editing the 40_custom file
What information do you need and how can I fix this mess?
PS: I can acces the Suse Partition from Ubuntu (/dev/sda3)
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Jul 6, 2010
How do I change the default OS on grub, and adding more time to make my choice?
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Dec 20, 2010
How do you change the default runlevel in Ubuntu 10.10? I need a solution that I can execute by editing text files; right now I'm accessing the Ubuntu filesystem by mounting it to another OS on a different hard drive.
The long and the short of it is that I'm getting a blank screen at login time. I suspect it's a driver issue (I have an Nvidia card) and it shouldn't be hard to fix... but I need a console. And no, I can't get in via Grub... my main OS is Slackware and Lilo is controlling the bootloader. So I need to be able to change the runlevel, and thus far a Google search has proved unenlightening.
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Jul 11, 2011
Like a dummy, I played around with KDE Menu Editor without asking if there was a way to return it to it's defaults, if I screwed it up.
Is there a way to return it to its 'factory settings'?
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Dec 19, 2010
I could not able to configure the default gateway ip address onto the system. i use the route command (" route add default gw 192.xxx.xxx.xxx eth0 ") to add a default gateway onto the routing table but it is "disappear" in the routing table when i had restart the service network.
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Jun 12, 2010
I am trying to change the ubuntu logo that appears before the applications tab on the top left corner. I tried the different ways I found on google but none of them work, can someone direct me and /or tell me how I can do this?
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Aug 19, 2011
I want to change the Date and Time of the system from my application. This can be done using the "Date -s" linux command. But the application has to be executed as root/sudo. is it possible that root can give permission to normal user to execute the "Date -s" command?
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May 2, 2010
I was wondering how to prevent grub2 from detecting operating systems on other hard drives. I have Ubuntu Lucid on the second hard drive with windows 7 on the primary (unplugged for now).
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Jul 16, 2010
I need to change my hardware time and date as my hardware time don't right but I don't have network. I need the the commands and the steps.
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