Ubuntu Installation :: Undoing Updates That Prevent Bootup

Mar 5, 2010

I just installed 9.10 on a separate drive in my system. The update manager told me many updates were required, so I went ahead and installed. It needed to restart, but the system just got stuck after the default GRUB entry started loading.Is there a way to undo the updates? I can't boot into 9.10 any more so I'm not sure how this would work.

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Fedora :: Prevent Yum Update From Undoing Changes Made To Files In /etc/init.d?

Dec 27, 2009

One of my machines is a desktop with a WIFI connection. This machine is not configured to use NetworkManager; instead, it still does things the old way via /etc/sysconfig config files.

Problem: this WIFI connection requires wpa_supplicant. By default, F11 brings up the network at priority 10 and wpa_supplicant at priority 23. So dhclient fails its initial attempt to obtain an IP for wlan0 (it will retry and succeed but by then it's too late). This causes other network-related startup tasks to fail. For example, ntpdate fails. This is problematic for systems with faulty CMOS clock batteries since ntpd will reject updates if the clock skew exceeds some threshhold (so ntpdate is usually used to preset the clock).

The workaround is easy enough: add "Required-Start: wpa_supplicant" dependency to the init stanza in /etc/init.d/network and let chkconfig figure out how to rearrange the priorities. This ensures that wlan0 is actually capable of sending a DHCP request when dhclient starts.

This works fine...until yum update decides to replace the scripts in /etc/init.d and, consequently, things go back to the old, broken startup priorities.

So my question: Can yum be told to not change files in /etc/init.d that have been modified by the administrator? Or to at least not overwrite the LSB-style init stanza in those files?

Alternatively, is there a better way to do this that's not vulnerable to updates? I tried playing with the modprobe.conf "install" option to pre-start wpa_supplicant before wlan0 comes up but that has so far been unsuccessful.

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Ubuntu :: Freeze At Bootup After Updates?

Jun 15, 2010

I had Ubuntu working perfectly until I installed two Nvidia updates. (proprietary driver)Now Ubuntu freezes at the Ubuntu loading screen. Unfortunately I can't remember how to access the terminal at bootup, does anyone know?Im not sure what I will try yet but I might just try getting updates in case I will get a new Nvidia update to fix this.

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Ubuntu Installation :: Undoing What Update Manager Did

Dec 22, 2010

Last night I downloaded and installed 359 "recommended updates" for Lucid and now the Lucid VM in VBox won't go full screen correctly, like it used to. I'm willing to do anything to *restore* the system to the way it was before. What can I do

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Ubuntu :: Prevent Certain Updates From Showing Up Again And Again In Update Manager

Dec 4, 2010

i dont want to install some updates via update manager..so i untick them while updating..but when update manager checks for updates again..dey show up again..i m tired to unticking them again and again everytym. what should i do to prevent some updates from showing up again and again in update manager ?

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Ubuntu Networking :: Prevent Various Pieces Of Software Trying To Access The Net For Updates?

Jun 22, 2011

I would like to use my laptop at home, where I don't have internet access (don't ask, long story). My question are two-fold;

** How do I prevent various pieces of software trying to access the net for updates etc. I presume they are likely to hang, lock up, and generally cause trouble.

** Can anyone recommend a working practice for installing updates and/or new software, either from USB or CDROM/DVD? I have good (legitimate!) access to assorted computer facilities at my office. I am using 11.04

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Ubuntu :: Undoing A Recent Application Update?

Dec 14, 2010

I recently added a repository to my package manager to allow me an installation of firefox 4.0. This worked, and when I ran a recent update, my package manager also updated my firefox 3.6 to a nightly build, as well as my thunderbird email application. What's worse is, it changed around all my icons and names, so now it uses the code name of the version (Namaroka, instead of firefox...) I'm sure this is great for developers, but I just want it to be normal. how I can step back with the update I did?

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Ubuntu Installation :: Install Updates Returns To Main Window Without Installing Updates

Mar 24, 2011

For some reason Update Manager is not installing updates as of yesterday.I have it set to check daily and notify if updates are available. It has been working without issues for well over a year now.

Update Manager tells me updates are available and presents the list of security, recommended, and other updates. All are selected to update, but when I select Install Updates in Update Manager it returns with a Reading Package Information window overlaid on the main Update Manager window - building dependency tree then reading state information and dumps me back to the main Update Manager window without performing any update actions.

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General :: Undoing A Mistake On The Command Line?

May 15, 2010

i want to transpose "$ bash man" to "$ man bash" using <alt-t> on the command line in ubuntu 10.04. however, doing this in the bash shell activates the "Terminal" menu.in a bash shell <alt-t> is suppose to transpose the two words to the left the cursor but the menubar is not passing <alt-t> up the tree to the bash shell.

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General :: Vi/vim: Undoing After A Mistake Has Made Vi Cancel Changes To The Buffer?

Dec 15, 2010

perhaps I've been typing for 20m and, in command mode, I accidentally press a key that undoes all of my work. What would be one of the more elementary undo commands

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Ubuntu Installation :: Hangs During 10.04 LTS Bootup?

May 8, 2010

I downloaded the x86 10.04 LTS ISO and burned to a disc. I booted it on my old Fujitsu laptop but it just hangs at:

Code:
Begin: Running /scripts/init-bottom ...
Done.
init: ureadahead-other main process (1019) terminated with status 4
init: ureadahead-other main process (1020) terminated with status 4
* Setting sensors limits [ OK ]

I tried all the possibilities like noacpi but to no avail.

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Ubuntu Installation :: 9.10 - PC Freezes After 30 Seconds On Bootup

Jan 22, 2010

I have managed to install Ubuntu 9.10 on my pc I have Vista installed on one hard drive and ubuntu on another. When I boot up on Ubuntu, the desktop comes up, then after about 30 seconds the pc freezes.

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Ubuntu Installation :: Unable To Bootup Window Vista?

Jun 12, 2010

I am running a dual-boot system (Windows Vista and Ubuntu) and after I upgraded to Ubuntu 10.04 I am unable to boot up Windows Vista.

How can I fix this? Grub is probably where the problem is; but my Windows partition of my hard drive is found and I can boot from it.

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Ubuntu Installation :: 11.04 Install - No Grub Shown On Bootup

May 4, 2011

Have just installed Ubuntu 11.04, the system is to dual boot with XP.Ubuntu is installed, have been into it and it seems to be working fine. However, when I bootup the computer I get no "Grub!" [Grub is now going to take over the boot process textual alert]. And, once the system gets past that screen, there is no list of Operating Systems to boot choices. Just boots straight into Ubuntu - always.

Solved that by installing 'Startup Manager' (which I knew about from slight previous exposure to Linux) and set the default operating system to Windows XP - this means that now I can't get into Ubuntu.How do I get Grub to show that 'Grub alert'? And how do I get Grub to offer choices of OS to boot in to?

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Ubuntu Installation :: Access Bios So Activate Num Lock During Bootup

Mar 13, 2010

I have installed Ubuntu 9.10 and love it but I have one question. I tried to access the bios so that I can activate the Num-Lock during bootup but it's asking for a password. I tried my user password but that didn't work. How do I get that password? It's the only OS on the computer.

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Ubuntu Installation :: Delete Previons Upgrades On Bootup Screen?

Mar 21, 2010

I have 9.04 installed. When I boot up i see all the iterations since the 1st install on my boot up screen. How do I delete these? I have to scroll to get to my other OS's.I am running a multiple boot setup.

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Ubuntu Installation :: 10.04 Bootup / Startup 10.04 The Screen Goes Blank And Says No Signal

Nov 13, 2010

when trying to startup Ubuntu 10.04 the screen goes blank and says no signal. But there are three Ubuntu's to chose from. the middle one will boot-up and works all right. But for when it is starting up the screen flashes and comes back on. the top one doesn't work at all screen goes blank but the lights on tower stay on.

the bottom one starts to boot but when it gets to the screen for your id and pass. it goes all blank but for a white line on the right side of the screen. this is on an old e-machine with a dual boot windows xp home. currently with 1g of ram and a 160gb hard drive split in two. with an AMD processor and ATI graphics on board. cant remember the numbers after that come after Ubuntu on the grub it is listed three times. how do you remove the other. let me know if you need more info.

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Ubuntu Installation :: No Bootup After Install But LiveCD Works Great

Feb 10, 2011

No Bootup just a Black Screen with a frozen cursor after install, but LIVE CD works in 1024x768 mode? Well, I have a Sony Bravia 32xTV with HDMI input coming out of a ZOTAC nvidia type of card. The live CD will recognize the HDMI graphics card and Sony TV/monitor and thus works like Ubuntu normally does. But when I go to install to a hard drive and try to boot up I get just a Black Screen with a frozen cursor. I even have another Ubuntu 8.04 version running on the Sony Bravia TV , so no problem with TV end of things. what do I do now, oh great Ubuntu gurus out there in cyberland? what could I possibly do , what do I read, where do I go , what, where, who, how, when ,which way?

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Ubuntu Installation :: [10.10] LVPM To Move Wubi To HDD Worked, With Bootup?

Apr 8, 2011

I had a wubi install- but it only let me dedicate 60 GB. I quickly ran out of that available space and decided I'd better try one of those tools to move my stuff on a partition of it's own.

I just used LVPM to transfer Wubi to the HDD, and.. it worked. Almost.

All I had to do was edit my grub file. I did that in Wubi, opened the menu.lst file with gksudo and added this just before windows: (I want Ubuntu to be first on the list, ofc)

Code:
# This is a divider, added to separate the menu items below from the Debian
# ones.
# title Other operating systems:
# root
## Added By Human Being
code....

(Please tell me if anything up there isn't needed, is wrong, or if I left something out..)Now it makes me press "S" before I can see the login screen at boot-up.

I want the quickest boot possible for Ubuntu, with a way for us to use Windows if needed.

It's looking for an Ubuntu 10.10 AMD64 CD, and I have the 10.10 Alternate AMD64 DVD.. and that message doesn't respond at all... I can press "S", and then it goes to the login screen, all works fine. I can update, I looked to see if the check-box for a CD upgrade was checked, but it wasn't.. I ticked the box (just for science), put in the alt-disk, and.... again it waited forever.. So that must be the wrong CD. Unticked it.. Also I just updated this morning fine. Still, that 'Press "S" to skip' at boot up is annoying

Do I have to download the standard Ubuntu 10.10 AMD64 ISO again.. (before it kept freezing), or is that futile.. I mean, all it's going to do is downgrade, (if it does anything..) right?

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Ubuntu Installation :: How To Prevent|hide: Stdin Error 0 On Installation

Mar 6, 2011

I'm working on a custom Ubuntu Live CD and i have some problem with "stdin error 0" appearing before the splash screen... How can i prevent this? Or hide|redirect the output from stdin?

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Fedora Installation :: White Screen On Bootup

Jan 25, 2009

I get a blank white screen when i try to bootup fedora and ubuntu to install them. I don't know whats wrong, any ideas?

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Ubuntu Installation :: Initramfs BusyBox 'Could Not Load' USB Live Bootup Error

Feb 13, 2010

I have downloaded the latest Ubuntu 9.10 and used 'U904p' a program I had for creating 9.04 live USB I had before. I had 9.04 on the USB pen but thought that 9.10 would be better to install right away rather than upgrading it. So I run through the CLI and make it bootable and all that. I come to put in my pretty old (Spare parts mashed together) Linux box. I get this about 1 minute after the Ubuntu logo and loading bar:

Top of page: WARNING: Couldn't open directory /lib/modules/2.6.31-14-generic: No such file or directory

Then lots of 'FATAL: Could not load /lib/modules/2.6.31-14generic/modules.dep No Such file or directory'

Then I am dumped in to Busybox in initramfs command line. I have been googling and look around the forums all last night and this morning. I find loads of stuff from 9.04 but not 9.10? I tried the old 'Pull USB pen when Ubuntu log shows' and 'Changed SATA settings' turned them off in end, using IDE. Could it be that I created it using the old U904p program. I will look in to the newer one. Seen it about on forums. Otherwise any ideas? I am wanting to build a FOG box for imaging all my PC's and trailing it for work.

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Ubuntu Installation :: X201 Black Screen On Bootup With 10.04 RC (can't Get Intel Xorg Driver To Install)

Apr 27, 2010

Pretty much what the title says.. a few more details:

- I installed 10.04 using the alternative install so I've been doing all this in safe mode
- I installed a newer kernel (2.6.33) and still black screen
- I tried to install an updated Intel xorg driver, but I kept getting dependency errors (xorg, x11, something else)

I read another thread on this forum from a user who is using the same platform (Intel HM55), and I got stuck at the last point (can't get Intel xorg driver to install).

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Fedora Installation :: Xorg Failure On Bootup \ Can't Use Ctrl-Alt -backspace To Killl X?

Nov 6, 2010

After loading all the apps I use last night with a working FC14 x86_64, I powered up this morning and nothing happened after starting atd.1 try an alternat kernel same effectstart in init 1, OK go to init 3 OKran startx .. failedlook for xorg.conf.. no fileNow if Iwas still running mandriva , I would have typed mcc and bought up the control panel so I could have sorted out the Xorg problem, or tried. There really needs to be something like this.I found that gdm was not installed so installed it.It will now boot up to the login screnn, but wont accept my passwd.restart in init 3, login as root and add another user and set the password for that user.I also rest my passwd as welll.boot up again and get authentication failure on both users, and I cant login as root as someone removed that feature.

Also I can't use Ctrl-Alt -backspace to killl X so I have access to CLI so I can login there and run startx.I suspect several gnome packages have been removed/lost as I use lefthand mouse settings and the mostsetting are back to default.All I have is a live CD to gain access to the forum, and I only have one computer.There really needs to be a fallback to one of the smalll DMs on fedora so in situations like this you are nt forced to use CLI, thats if a new user would know how to access it. As there is no bootsplash, you have to already know to hit return and wait for the bootsplash.

IMO this a is a seriouss flaw, in what otherwise is a good OS.In the meantime I'll try and install XFCE to get X running, but I will need some help getting gnome back.I'll load gnome-panel and see if yum will pick up the rest as depemdencies.I hope this isn't a bug, as to lost the DM after the first machine power cycle is fairly drastic---------- Post added at 08:52 AM GMT ---------- Previous post was at 08:18 AM GMT ----------I resorted to yum install gnome-*which loaded 255 packages, including gnome-desktop, gnome-common, all the gnome applettsThis wasn't just one or two packages corupted, it was removal of the DM altogetherSimilar effect to running "rm -rf gnome-* "

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Ubuntu Installation :: Compaq Presario F700 Extremely Slow Boot After 10.10 Install [5 Minutes Bootup]?

Feb 16, 2011

I made a clean install of Ubunto 10.10 on my Compaq Presarion F700, nVida graphics, AMD Turion 64x2.Installation was fine.When I boot, it takes a lot of time, 5 minutes or more.Also, after the system loads I get those applet errors I've attached. Sometimes I get all the applet errors and sometimes it get few of them.I tried several configs of "GRUB_CMDLINE_LINUX_DEFAULT" but still no luck.

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Ubuntu Installation :: Prevent Kernel Upgrade With 10.04?

Dec 6, 2010

I search, and everything I find seems to be "old" information that no longer works.

I currently have,

linux-image-2.6.32-21-generic/lucid uptodate 2.6.32-21.32
linux-image-2.6.32-22-generic/lucid uptodate 2.6.32-22.36
linux-image-2.6.32-23-generic/lucid uptodate 2.6.32-23.37
linux-image-2.6.32-24-generic/lucid uptodate 2.6.32-24.43

[Code]....

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Ubuntu Installation :: Prevent Installer From Running?

Feb 12, 2011

I have a persistent usb key with Ubuntu 10.10 Netbook remix. I need to know how to stop the installer fro0m running on boot so that it just goes to the desktop

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Ubuntu Installation :: How To Prevent Package Update

Feb 26, 2011

I've recently downgraded kaffeine to 0.8.8 to get back the EPG which was working under hardy. Is there a simple way to prevent a package from updating when I update the rest of the system? I realise that this is not normally a good idea to keep packages back like this, but the upgrade to kaffeine caused the loss of a useful tool.

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Installation :: How To Prevent Shell Access

Mar 23, 2009

I have a users, that log in from a terminal. They should not have any shell access, so currently their login script, at the end, starts the program that they use, and after that program ends, the login script moves on to log them back out. The problem is, they could press ctrl+c, while the login script is running, and it quits the login script and spits them out at a shell prompt. -- Is there any way I can prevent this?

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Ubuntu Installation :: Prevent Grub2 From Detecting Operating Systems?

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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