Red Hat / Fedora :: GRUB Of Previously Installed Distro / Enable Wake On Lan In Scientific (RHEL)?
Jan 2, 2010
I have two problems. I installed a RHEL variant (scientific linux) on an already dual boot system with ubuntu and vista.
It replaced GRUB with (I think an older) GRUB version and to add to that I cannot see my ubuntu ditro anymore. is there a way of reinstalling the GRUB that came with ubuntu then adding the RHEL distro to it?
my second problem is that I cannot figure out how to enable wake on lan in scientific linux (RHEL). on ubuntu I would just write a small script and update all runlevels to run it at startup. what is the alternative on redhat?
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Jun 8, 2010
anyone please tell me how to uninstall the previously installed unwanted softwares, in fedora 13(i'm using an 64 bit system).
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Jun 14, 2010
I'm having a problem going from F12>F13 using preupgrade with a wired internet connection. The current F12 installation is up to date. The upgrade crashes with the "the root for the previously installed system was not found". I've also tried upgrading using YUM and was also unsuccessful. Has anyone run into this problem with this upgrade?
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Apr 8, 2010
I have a new installation of Scientific Linux, which is basically RHEL/CentOS 5.4.
Everything works fine with it, its nice to see KDE3.5 again BUT
certain commands in cli (console, konsole, xterm whatever) take an age to run. The worst offender is vim, which takes about 20 seconds to open fstab for example. Even mkdir takes about 10 seconds to run.
I am used to these type of operations being almost instantaneous, so there is obviously something wrong here, but I can't imagine what.
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Sep 29, 2009
I have two distros and windows installed. I only want one distro (I have decided on Ubuntu) and windows. But, the other distro, the one that I want to eradicate is the last one installed and it is its GRUB in the MBR.
I know what happens from experience if I just delete that partition with a liveCD - GRUB won't boot anything on reboot.
What do I need to do from within Ubuntu or the other Linux before deleting the partition of the second distro so that I have a working GRUB when I reboot ?
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Jan 11, 2011
I am using xp and ubuntu 9.10 in dual boot mode.Previously when i formatted my xp and reinstalled it the mbr was changed and this the grub did'nt loaded up. Well i am out of that problem but now i want to format the xp from my linux i.e i don't want any other os in this hard disk apart from linux (ubuntu 9.10) so is it possible to format the xp from linux.
will it affect the mbr ? and if yes then wat is the solution for it ? also the drive containing xp should be available for my storage purpose afterwards.
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Jun 25, 2011
In the midst of an epic, hours-long saga of attempting to reinstall Kubuntu 11.04 and get my GRUB menu back in order to dual boot with Windows 7 (I accidentally lost the rambling thread I previously typed, so I'm not going to even tell the back story unless prompted), my installation progress bar seems to be sitting at a solid 86%, reading "Restoring previously installed packages...", something I've never seen before. It's sat there for two hours, not moving a pixel. Is there anything I can do at this point? I've been up for hours trying to do this, and I'm about ready to give up on Kubuntu and even seeing my Windows system again.
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Sep 1, 2011
I am trying to install the Ubuntu 11.04 in my IBM t42 laptop after the HD crashed. I am trying to install it into a USB drive from another USB drive. Everything went on smoothly until it got stuck at a point where it shows the following message: Restoring previously installed packages... And the progress bar is not moving a bit for almost one and half hour.
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Aug 1, 2010
How do you determine the source and version of a device driver in your linux box? (The wifi driver, for instance.) In windows you can find that info using "device manager". I suppose there is some corresponding tool in linux.
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Jun 19, 2011
[URL]You show how to remove a package and it's dependencies. You show how to remove the configuration from the package you are currently uninstalling. You don't show how to remove the configuration data from a package and all of it's dependencies. Why?
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Jul 4, 2010
I am trying to Upgrade from Fedora 12 to Fedora 13 using Preupgrade. My system downloads the the Upgrade and tries to install it but returns a message "Root of the previous system not found". I would really like to fix this problem but dont know how.
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Jun 3, 2010
I'm the DBA for a number of Oracle RAC databases running on RHEL 4 and our SA has moved on, leaving me with some tasks to do before we get the next SA. One task is to get a list of all applications installed on our linux servers. I know I can get a list of all rpms via "rpm -qa | less" but that spits out every rpm, which is not what I want.How can I get a list of all applications installed? For example "oracle database version 10.2.0.4", yada yada.
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Apr 1, 2011
I have a computer with 2 HD. In one of them there are installed XP and F14. In the other there are several XP files and Mandriva (the last installed distro). At booting, the grub window I see is the Mandriva's one, where I can select F14 or XP. I should like to see at booting the Fedora's grub.conf window with selecting options for XP or Mandriva. How can I change this?
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Dec 24, 2009
im still relatively new to linux and fedora, and i was wondering if it would be possible to install another distro on an external hard disk and keep fedora's grub. i tried this once before but the following things happened: (fedora is on my internal hard disk) the installation to the external hard drive went well, and i set the boot partition to C: because thats the first partition however when i unplugged my external hard drive, and proceeded to boot into fedora, nothing happened. my bios screen flashed and then a blank screen with a cursor. is there anyway to keep Fedora's grub where it is and just install another linux distro without that said distro's grub and add that distro to the grub list in fedora manually? or even boot to my external from the bios itself (because mine can do that)
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Nov 15, 2010
Which is closer to RHEL 5/6, Fedora 14, Centos 5.5 or another distro? In terms of installation and administration.
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Dec 18, 2010
I wanted to check what version of GRUB I have installed. I went to terminal and typed grub --versionI got this message back: The program 'grub' is currently not installed. You can install it by typing: sudo apt-get install grub
I am running Ubuntu 10.10 alongside windows xp pro. When I turn my pc on I have the option to boot to ubuntu or xp and at the top of the window it says that the version of grub running is "GNU GRUB Version 1.98+20100804-5Ubuntu-3" how I shold go about installing GRUB 2 or just leave it as is.
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Nov 3, 2010
I installed Fedora 14 in (Basic Video) mode. How to do i enable nouveau?
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Dec 18, 2010
I Installed the 2 disks, but I didn't run into a spot where to place a user name, and when it's time to login, I have a password, but no user name, so I can't login, login fails. And I doubt installing the 2 disks again is going to help this problem go away. How does one login to SL after the install?
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Mar 5, 2011
Just installed Scientific Linux 6 KDE. Does anyone know how to get it to connect to wired ethernet network?i know there is nothing wrong with hardware; i get a working network/internet connection with live systems such as knoppix, aptosid etc.
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Feb 3, 2011
startx is not working. how to enable GUI in rhel 6
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May 26, 2011
I am using RHEL 5, how to enable ACl in /etc/fstab
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Feb 26, 2010
Install GSL for scientific calculations. When you try to. / Configure appears Permishn denaynd. As I understand it because I have a file system in properties has Read-Only flag. An attempt to change it to read and write an error - saying that this can not be done. All this is done under Root. But nothing came of it, and very much need to put this library.
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Jan 12, 2011
Anyway, according to the release notes, RHEL 6 has a PAE enabled kernel by default. Great... But that leaves me wondering why uname report SMP. Further, I'm provisioning some systems for QA use, and they're asking that PAE is disabled. My thinking is that since RHEL 6 requires PAE capability to install, there may be no way to disable it and the googling I've done seems to support this. tl;dr Why does a default kernel with PAE enabled report SMP on RHEL 6?
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Aug 28, 2011
Fedora 15 uses scidavis (Scientific Data Analysis and Visualization) taken from Fedora 14. If you try to build the native rpm package, an error occurs in building the documentation. A 1-line sed in the spec file solves the problem:
Code:
#fix spurious-executable-perm
find . -type f -exec chmod 0644 {} ;
#fix docbook to adapt different versions of fedora
sed -i "s/VER-REL/`rpm -q docbook-dtds|sed "s/^[^0-9]*//;s/.noarch//;
s/./\./g"`/" manual/docbook-en/index.docbook
#
# ---> sed line to fix Fedora15 building:
sed -i -e 's/xsl-stylesheets-1.75.2/xsl-stylesheets-1.76.1/' manual/scidavis_html.xsl
#
#fix default path for fitPlugins
sed -i "s/usr/lib/%{name}/plugins\%{_libdir}/%{name}/pluginsg"
%{name}/src/ApplicationWindow.cpp
sed -i -e 's/Qt;Science;Physics;Math;Graphics;/Education;Science;DataVisualization;Qt/' %{name}/%{name}.desktop
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Apr 5, 2011
I am new to RHEL. I am using a Thinkpad W510 and SL 5.5. I am trying to get everything working smoothly on my system.I am having issues with the gpu drivers and the touchpad, both of which seem to be traced back to xorg.conf.I can set the proper resolution using nvidia-settings, but it resets to 800x600 on restart no matter what I do. I have used the gui to save, I have tried nvidia-xconfig, and I have tried to just editing the xorg myself, but it always goes back.I am having even worse problems with the trackpad. I downloaded and installed the synaptics package, but nothing I do changes the trackpad settings. Mouse properties has no trackpad info in it.
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May 24, 2010
I just installed red hat enterprise 5 in my laptop and on desktop both. In desktop it is working fine but in laptop it is not showing the eth device. (I tried ifconfig only lo is there). I tried ifup eth0 still nothing happened. The network service in /etc/sysconfig/network-scripts/ifcfg-eth0 and in /etc/sysconfig/network are enable. I had ubuntu in my laptop before and I faced same problem with that too. Is there any problem with my laptop? I have my system on dual boot and in win7 networking is running fine. I am not able to connect to the internet only, other devices are working fine.
System conf: Sony vaio E series. 3 GB RAM, intel core i3 2.13 GHZ.
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Mar 2, 2010
I want to set up a cluster for scientific computing (mainly statistical stuff with R). I have a few conceptual questions. First, is there a difference between a Beowulf cluster and a cluster that has single-system image ("SSI," e.g. using openSSI or LinuxPMI)? If so, what's the difference? Second, if there is a difference between Beowulf and SSI, which one is better for scientific computing? Third, does using Eucalyptus make sense for scientific computing or is this more suitable for IO-oriented operations such as web service or databases
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Oct 5, 2010
(Logger pro is an app to retrieve data from scientific calculators/ instruments) I've always wanted to ask this question so here it goes... Has anyone gotten Logger pro (Linux beta) to work w/ Fedora? I have tried alien the two .deb packages to .rpm's so it becomes installable.. The installation seems fine, But the app doesn't run (I think it was like segmentation fault or something... I don't remember) anyways.. this is not absolutely important. I'm just wondering if this may be a problem w/ my install.
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Aug 9, 2011
Until some time ago I had a dual Windows 7 and Fedora operating system, then I completely moved to Fedora. Recently I have become interested in Scientific Linux and wanted to install it besides my Fedora. I took a back up of all my data and formatted my HDD for a clean install of both of them. This is what I did:
First I installed Scientific Linux with these partitions (contents of /etc/fstab):
[Code]...
Then I went on to install Fedora 15; I kept the same primary and extended partitions but only changed the names of "/FedoraRoot" to "/" and "/" to "/SLRoot" in the above list while installing Fedora. I also chose the boot directory of Fedora to be /dev/sda1/ which I wanted to be the /boot file for both systems while I had chosen the boot file for Scientific Linux to be "/dev/sda".
Everything went well until the final step of copying the files an error came that some of files that Fedora wanted to install in /usr/share, /usr/lib64, /usr/bin, /etc/system..., /etc/issue..., /etc/redhat-release... and /etc/rpm are already present in the Scientific Linux format and so there is a conflict and it has to terminate!!! I must have made some strange mistakes in the definitions
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Dec 10, 2009
I tried upgrading to my linux to fedora 12 through updates and that completely screwed up my computer. Next I burned a disc with F12 and tried to a clean install but the installer stops after 823 packages. I tried an older FC9 image and that does not go through either. Now I'm stuck , I cannot get to my windows because I cannot get to GRUB . Is there a way to just install GRUB and boot into windows. I see that GRUB is around package # 600 or so in the installation and it does get upto that point.I just need it to finish instead of barfing on packages (no skip option in linux installer how clever!)
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