Ubuntu Installation :: Switching From 32 Bit To 64 Bit?
Mar 22, 2010
I got a new 64 bit computer and in my infinite wisdom I installed the server edition of Ubuntu 9.10. I managed to correct that issue and now I'm running the 32 bit version of Ubuntu on my new machine on a dual boot with Windows7.
What I'm wondering is if there is a way that I could possibly switch to the 64 bit version of Ubuntu 9.10 and still be able to boot my Windows OS. I know that I could remove the 32 bit Ubuntu and start fresh, but I'm concerned that if I do that I might not be able to boot the Windows OS, due to the replacement of the Windows boot with GRUB.
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Mar 11, 2010
I want to have a KDE desktop on my ubuntu OS, I mean that I want to have a switching system between Gnome and KDE! And I don't know how to do that?
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Mar 24, 2010
I need to test my code under different versions of GCC. At leat GCC 3.4 in addition to the default. I was hoping I could simply do the switch from CodeBlocks's build settings... Of course, it's not that simple.
By the way, GCC 3.4 is not even in synaptic manager. I suppose some apt-get install command can do it.
ideally I'd like to be able to switch between versions. I've heard of ccontrol, but I'm cautiously posting here before for any advice before blowing up my set up.
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Nov 10, 2010
I have a dell inspirionB130 and I installed mandriva dual boot with windows 7.. However I was not able to connect to a wireless network, but yet I could when i switched back to windows 7. Ive also just been wanting to try other versions of Linux to see which one I would prefer.. But Im not really sure on how to uninstall Linux or replace it with different version.. I have read in this link Mandriva Installed with Windows; Looking to try another Linux Distribution Read more: URL... here and I was wondering if this was a correct way of doing it, I just didnt know if some kind of conflict would occur when doing this, or if other people suggested a different way.. Specifically talking around middle of the page under "Mandriva Installed with Windows; Looking to try another Linux Distribution"
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Apr 28, 2011
I need to use autoconf 2.13 and i was wondering if i can install it on the side of my current version and if yes how can i switch between them afterwards?
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Mar 6, 2011
So I have decided to switch to ubuntu since xp gave out on me. Everything seemed so easy during install untill it randomly shut off. It now does this during different stages of installation but never gets further than after entering my user details and beginning the install. Its not faulty hardware as boots into xp home ed fine. I want a full install of ubuntu only though.I have tried both 10.04 and 10.10 (32 bit) booting from Live CDs (3 diff copys, as was paranoid of probs with the iso download)
The hardwares largely unknown but easily ran xp media center previously a year or 2 before. I'm very confident its not underpowered for this.As you can probably tell I'm completely new to this and not overly technical. I have looked around and some things suggest a problem with graphics cards.
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May 3, 2011
Just updated my system to 11.04 and was not a fan of Unity. So I decided to switch to gnome 3. I downloaded all the packages and made the switch, only to realize I had made a HUGE mistake. While gnome 3 looks beautiful, it doesn't work at all for me. I have no internet (wired or wireless) now, and a host of other complaints.But when I try to restart Unity, the system fails. I also cannot start up Ubuntu in normal or Classic modes anymore.
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May 22, 2009
I am trying to switch desktops managers from GNOME to KDE followed the wiki page but can't seem to get it right as in my /etc/sysconfig folder there is no desktop file to be modified to tell my system to use KDE at startup. download a new F10/KDE live cd today and try the install that way if I get the chance to do that. But if I can't...
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May 3, 2010
I just upgraded from 9.10 to 10.4. I am having the following problem:
When I attempt to switch from the user that I am currently logged into, to another user who is also logged in, I get a black screen.
To elaborate, here is the exact sequence of events:
Code:
- Boot ubuntu and login to user A
- Then Click on power menu (top right corner) and select: Switch from A
- I get the login screen
- I select user B and enter my password
[Code].....
I did try to change my session (at the login screen) to gnome-failsafe, xterm, even kde, but still I get the black screen.
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Jun 26, 2010
I have just built a new machine and want to transfer my hard drive over to it, can i just plug it in and power up?, will ubuntu 10.04 detect the new hardware and reconfigure. if not whats the best way to backup the data and re-install.
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Sep 1, 2011
I installed ubuntu 11.04 to my Compaq Presario CQ61-402SA (Dual boot with windows 7 Home premium 64-bit, Via a partition) And now I can't get back to my W7! Disk Utility says that it is "unallocated"! It had lot's of important info on it! Sorry for urgency, but it's important I get this OS and files back, intact.
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Sep 27, 2014
I'm going to move from Linux Mint (Debian Edition) to Debian on my Laptop (3 user). The current setup is LMDE-Cinnamon, with 4 partitions; /, swap, home and data. All the important data lives in data while home is used for preferences only.
Am I right in thinking that preserving the data partition is as simple as not formatting it during the installation?
And what about home? Obviously this now contains a lot of irrelevant stuff (Cinnamon settings for example) and many programs will be in different versions...
- Just keep it (after all the irrelevant stuff should not do anything bad?)? And if so how do I tell the installer to do this?
- Format and restore the relevant preferences manually from the backup?
- Format and have everybody set up their preferences as needed?
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May 4, 2010
Lucid is not in testing but it's released.It seems it works now, with all desktop effects activated and switching users and closing sessions.The only thing I still don't know is which screensaver can I use if removing gnome-screensaver?
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Mar 20, 2010
i would like to change my OS to Ubuntu netbook remix, but I already have installed Kubuntu netbook package.
Is there any easy way to make switch from Kubuntu to Ubuntu? Without need to delete all my data?
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Aug 21, 2010
So I did a
Code:
sudo apt-get install ubuntu-desktop && sudo apt-get purge ubuntu-netbook*
To switch from UNR to the Desktop version.
Everything is fine except for the fact that when I have a maximized window, I do not have the minimize, maximize, and close buttons.
I have a feeling I just need to tweak something in gconf-editor, but I can't seem to find the correct setting.
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Oct 4, 2010
I'm switching over to Ubuntu 10.04.1 from Windows 7. I mostly use my computer for surfing the web and doing school assignments, but I'm sick of getting viruses and such on Windows 7.
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Nov 26, 2010
I'm running kubuntu, 10.10, 64 bit on my ASUS X59GL, with 4Gb ram - and NVIDIA on board GeForce 8200m.
I'm running KDE with compositing switched on - trouble is that it keeps saying Desktop effects are too slow and compositing is suspended. Surely this setup is powerful enough - this seems to be getting worse with each subsequent release - (a couple of releases ago, this didn't happen).
It's just happened again, and all I'm running is Firefox, nautilus, skype and dropbox (all but firefox are minimised), and uptime load average is .3 Is anyone else experiencing this problem?
Is there any 'ratings' as to how 'expensive' each of the effects are? - i.e. which are the least impact, and which are the most?
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Nov 26, 2010
I currently run Linux Mint 9/GNOME on my main desktop but am thinking of switching to KDE. The main reason being that the file managers seem to have more to offer than anything in GNOME and the DE itself just seems to look better.
So the question is, if I switch, what issues am I likely to run into? I would like to continue using as many of the same programs as possible and I know that a lot of them are going to require GNOME dependencies and either might not run or will run slow, but I'm not very Linux savvy and don't know much beyond that.
I would like to still use Compiz, Guayadeque, and a few other programs. If I am going to loose the ability to run a lot of programs I am use to just to get the nicer file browser and DE then it's probably not worth it.
I'm pretty familiar with GNOME now so I'm looking for some advice from KDE users, especially if you started with GNOME.
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Dec 2, 2010
I am trying to switch from gcc-4.4 (defaut with the "sudo apt-get install build-essential" command) to gcc-4.1
I was able to install gcc-4.1 using sudo apt-get install gcc-4.1 The command "which gcc-4.1" gives "/usr/bin/gcc-4.1" I suppose this means that it is properly installed. I was also able to uninstall gcc-4.4 using "sudo apt-get remove gcc-4.4" However, the command "gcc --version" gives "/usr/bin/gcc: No such file or directory" This is because the gcc file(?) is named gcc-4.1. A name change should work, I think. But I do not have the rights to rename this file (after right clicking, "rename" is inaccessable).
Is there some way to use sudo apt-get install gcc-4.1 and make it install into/usr/bin/gcc to avoid these issues?
Or maybe direct the OS to usr/bin/gcc-4.1 rather than usr/bin/gcc?
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Dec 20, 2010
So I've used UFW for quite some time now and its been great. But I'm thinking its time to take the plunge into iptables. I want to start blocking repeated connections from IPs trying to brute force my SSH.
I've been reading up on iptables, and it doesn't seem too bad. But I have a few questions I'm hoping people can help with.
1) If I've been using UFW, do I need to do anything special to switch to iptables. I was just going to do "ufw disable". But do I need to uninstall it, or something special. Because even when I do ufw disable, there are still lines in the iptables talking about ufw.
2) regarding those lines, do I need to get rid of them? Is there a way to revert the iptables back to default? These are the lines.
Code:
3) I've read some things that the order of rules in the "chain" matters, but I don't fully understand it. Does it just mean that whatever comes first within the chain takes precedence? So does that mean that if I want to add a new rule, I can't just add it, but I have to make sure it gets listed in the right order?
4) I don't fully understand what these "chains" are either. I can kind of understand the three main ones, INPUT, FORWARD and OUTPUT. But then ufw seems to have added a lot of other ones. What are those?
5) again on chains, if I add a drop IP to the INPUT chain. From my understanding it prevents it from connecting to you. Do I need to put it in the forward chain also? Or just worry about the input chain to prevent connections to me.
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Jan 11, 2011
Is there a easy to switch between gnome and kde like there is in fedora? I would like to use kde instead gnome. [URL]
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May 7, 2010
I switched to Ubuntu with a clean install and whipped out the Mac OS X. I now want to switch back to this and I have the .dmg file on my flash drive with the OS X on it. I was wondering how I would go in installing this since it is a .dmg file and since it needs to be installed.
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Jan 6, 2010
I am a new Ubuntu user (three months so far on Karmic amd64, and very happy with my new OS). I had to do a force shutdown after a system freeze (while viewing video on my tv - dual display - with vlc). Upon restart, I noticed the network connection icon missing from the taskbar; there was an empty "slot" between the evolution and sound icons so I figured the network icon was simply not appearing correctly.
I right clicked in that empty "slot" and chose to remove from taskbar with the intention of putting it back. After clicking remove, the taskbar started a cycle of constant disappear and reappear (about one second between each). The cycle is too fast to allow navigating in menus but I can access the terminal. Being new and all, I don't know how to configure the taskbar through the terminal... fix my taskbar in the terminal?
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Jan 13, 2010
Recently I noticed my hard drive sounding like it was repeatedly clicking off and then immediately spinning back up. Obviously, this doesn't sound like it is very good for the hard drive, and may be the cause of my computer locking up the other night.
I believe the affected hard drive is a Seagate 1TB SATA drive I bought this past summer, which is connected to the on-board SATA controller (SiLabs, I think?). Here is the dmesg output from when the problem started occurring.
Code:
[ 1385.157814] ata1: exception Emask 0x10 SAct 0x0 SErr 0x90000 action 0xe frozen
[ 1385.157824] ata1: SError: { PHYRdyChg 10B8B }
[ 1385.157835] ata1: hard resetting link
[ 1389.300273] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 310)
[ 1389.406471] ata1.00: configured for UDMA/100
[ 1389.406484] ata1: EH complete
[Code]...
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Mar 16, 2010
Thinking of uninstalling GNOME/ubuntu-desktop and installing LXDE/lubuntu-desktop in its place. Just a couple of Qs. Got some hunches, just want to confirm/deny them:
* Does LXDE use GDM for login, or something else?
* Installing lubuntu-desktop would uninstall network-manager. Need to reboot if I do this, I take it?
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Apr 12, 2010
Basically I've just installed Ubuntu 9.10 on an old Acer Aspire 3000 laptop. When I first did the install I observed that the screen color depth was very low so after browsing the forums I ran the latest updates and then everything was perfect.
However after a restart the color depth reverted back to low. I created an xorg.conf file and set the default depth to 24. However no luck. I then set the color depth to 16 in this file and restarted. This time it switched to the 16 bit color depth, however after a restart again it all reverted back! I tried changing the value again but it is now stuck at the low color depth again.
The driver I am using is the updated SIS driver that was provided from Ubuntu for the onboard 661 SIS video card.
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May 14, 2010
I am looking at switching from the 10.04 desktop version to the netbook remix version.I was wondering the easiest way to do this, and if I will lose all my files in the process.. I have an Acer Aspire One A0532H-2254 10.1" and a lot of Windows wont fit in my smaller screen, which is extremely frustrating.Also, if doing so would cause me to lose all my files, best way to back up about 56 Gigs of movies and music?
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Jun 6, 2010
I've got an i5 Macbook Pro, on which I've got Ubuntu 10.04, which I use 90% of the time (mainly for work).
I've added a few lines to xorg.conf to make the graphic card run cooler and thus get some more battery life. Sometimes, though, I do need full graphic potential, for which I have another xorg.conf prepared without those lines, so I can switch back and forth when I need it.
Currently, to change back and forth, I rename the files accordingly and reboot, which is a pain in the neck. I tried restarting gdm after switching files instead but it didn't quite work (maybe I wasn't doing it correctly).
So, fellow experts, what's the easiest and fastest way to switch between two different X11 config files?
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Jul 17, 2010
I set up a Ubuntu machine using the OnBoard video, and it runs OK.
Now, I put a nVidia card in it (2009'ish 512mb), and there is no screen after the BIOS screen.
If I boot off a Live CD, everything is fine, so the card is supported.
How do I get Ubuntu to look for the new card on bootup? Do I have to reinstall? If so, will it wipe out the installed applications and data?
Code:
cd / (this gets you to root)
cd etc
sudo chmod 777 X11 (this permits changing names)
cd X11
sudo chmod 777 xorg.conf.failsafe
[Code].....
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Jul 20, 2010
Sometimes when Ubuntu starts, it appears a screen with "Scanning disk in progress. It may take some time". But after it reaches 70% it completely stops, so I have to do a hard restart . Can I just switch off this automate? It doesn't help only makes problems. And slows down booting.
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