General :: How To Reinstall (CentOS 5.2 = RHEL5) In Laptop
Jan 11, 2010
I plan to reinstall linux (CentOS 5.2 = RHEL5) in my laptop because of insufficient diskspace partition in /. Only allocate 8.8G for /root and the rest to /app/Current my kernel version is 2.6.28, which are latest than the CentOS release which is 2.6.18, I think. Someone compile the kernel for me because he said my laptop network card is not recognized in the 2.6.18 released. I am not sure how he did it. I am a bit worried because if I reinstall again, I will face the same problem that my network card is not recognized!.
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Jan 8, 2010
I dual boot with windows xp and ubuntu 9.10. When using windows my wireless works fine but when using ubuntu my wireless does not work. The first time ubuntu was loaded the wireless was working and then while I was trying to figure out how to load a program I messed up a grub file. As I couldn't fix it I just reinstalled Ubuntu and since then my wireless is inoperable in Ubuntu only.
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May 21, 2010
I am trying to configure a system to boot Windows XP, CentOS 4 and RHEL5. I have one hard drive that contains both Windows XP and CentOS 4, and a separate drive that contains RHEL5. Until recently, I only had one SATA cable, so I could only connect one drive at a time. Under this configuration, everything works fine. When the RHEL5 drive is connected, I can boot into it. When the Windows/CentOS drive is connected, I can dual-boot into either OS. (GRUB was configured on this drive automatically when I installed CentOS into a new partition.)
Opening the box and moving the SATA cable is a lot of trouble, so I finally got a second SATA cable and enabled both SATA0 and SATA1 in the BIOS. I currently have the Windows/Centos drive as the primary, and I can still boot into both Windows/Centos. Now, I want to add RHEL5 to menu, but I can't find the file GRUB is using to present its menu at startup.
I have configured GRUB before on other systems, but I just know the very basics, such as where the grub.conf file should be. So, I spent a whole day reading advice online and asking friends who might have experience with these issues. Here are the steps I have taken so far:
I confirmed there is no /boot/grub directory, and /etc/grub.conf is a broken soft-link to /boot/grub/grub.conf. I did a find for grub.conf, which found nothing. I did a find for menu.lst, which found one item -- an example GRUB config file in /usr/share/doc/grub-0.95. I noticed that when CentOS boots, I see the GRUB commands printed to the screen, the first of which is:
root (hd0,2)
So, I did a grep -R "(hd0" * at the / directory, which also found only one item -- the example menu.lst file in /usr/share/doc/grub-0.95. I discovered that I can go to the command line grub from the grub menu and do:
cat (hd0,2)/grub/grub.conf
The cat command returns a printout of the grub configuration the system is obviously using. I didn't create this file, but the titles are identical to what I see in the GRUB menu, the default boot is Windows, and the timeout is very short. This must be the file. It looks like:
default=2
timeout=5
splashimage=(hd0,2)/grub/splash.xpm.gz
hiddenmenu
title CentOS (2.6.9-89.ELsmp)
[Code].....
I've also tried making the RHEL5 drive the primary drive. In that case, I can modify the existing /boot/grub/grub.conf file and see my changes at the GRUB boot menu. However, I can't get Windows to boot in this configuration. I've done a lot of google searching on the topic and added map commands to make Windows think it is on the primary drive. But, I'm still unsuccessful on this front as well. I think I'm closer to solving the problem with Windows/CentOS as the primary. However, if you think I will have more success with RHEL5 as the primary drive, I can provide more details as to my current grub.conf on that drive in a later post.
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Sep 11, 2010
I've been struggling trying to get a Lenovo T410 to display video on both it's internal LCD and an external display at the same time, and I need to get it working by Monday or I'm toast. know this will work with other distros, but we are contractually bound to use RHEL5.If we use the laptop on it's own there is no problem, however once we set it in the docking station, the external display shows no video, unless it is rebooted. Then it will only display video on the external and not the laptops own display.
Our engineers are constantly going to meetings and need to be able to undock the laptop and have the display appear without having to reboot. Then conversely, return to their desks and have the video on the external display without rebooting.I suspect that the problem is that RHEL5 is only up to release X11R7.1 of X.Org, which is still using version 1.1 of RandR and from what I can surmise, 1.1 of RandR does not recognize multiple video outputs.I was hoping that someone more knowledgeablthan I can confirm this and if I'm right do I need to manually build the latest release of X.Org to get this to work
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Nov 13, 2010
in RHEL5 I want to configure wireless on my laptop but after many procedures followed none of them worked? how to do it? my laptop is HP520
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Jun 29, 2011
I can't reinstall Unbuntu 11.04 on my laptop. I've a laptop with Ubuntu 11.04, but I wanna reisntall it from a pendrive. I did everything well, I mean I used Universal USB Installer and I set everything in BIOS. When I boot from the pendrive it don't do anything, just the Unbutu 11.04 starts.
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Feb 4, 2011
how do I retrieve/reinstall Grub without having to reinstall Ubuntu?
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Jul 30, 2010
I am sell my ibook g4 with ubuntu and I was wondering if I should reinstall or maybe
their could be another option for identity security..
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Mar 29, 2011
I was relieved to read online that I'm not the only first-time Ubuntu user to destroy their system beyond repair and wish to uninstall and reinstall Ubuntu. However, all the tutorials I can find on how to do it are for users who have a dual operating system on their computer, especially XP and Vista. Ubuntu is my sole operating system (I decided to give it a try when my computer crashed and needed to be rebooted with a new operating system).
Is there a way to just remove my entire Ubuntu operating system from my laptop and reinstall it? I've already downloaded Ubuntu onto my jump drive and it's all set to reinstall. Tutorials claim that restarting my laptop with the jump drive inserted in my laptop will automatically startup the Ubuntu installation process but it doesn't, and I'm sure it's because I still have Ubuntu on my laptop.
Stats:
Gateway NV52
Formerly Windows Vista, but that was removed and Ubuntu (Linux) is now the sole operating system
Gnome
Ubuntu 10.04 LTS
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Mar 15, 2010
I would like to try to reinstall a barebones xp on a compac laptop as a dual boot with 11.1. I repartitioned using gparted so I now have 20 Gb free. Here (I hope) is the output of fdisk -lu [URL] I spent a lot of time setting up opensuse and don't want to lose the settings, etc. Should I repartition with the 20G space "in front" of the linux partitions? Can I back up the linux settings so I can reinstall them if I lose everything? Is there a sort of windows emulator (wine?) that will run programs that won't run on opensuse, like netflix, tax prep software, etc? Too many questions I know but I would like a fairly simple foolproof fix if possible.
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Sep 14, 2010
The DNS server configuration for CentOS and RHEL5 and the entries for the clients in its configuration files...
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Feb 16, 2011
I have to deploy Linux server(apache, php , Mysql) for production environment. whether I should go for RHEL5 or CENTOS5 and why.... Also if RHEL5 then Can use RHEL5 without license if I dont want support from Red Hat.
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Mar 21, 2011
I am using the "harddrive" option in a kickstart config to have it pick up isolinux files from a USB flash drive. I have been able to get it work by specifying the device name directly, but if I specify a LABEL or UUID, it does not work.Here is what my ks.cfg looks like.
Code:
install
text
harddrive --partition=LABEL="/install" --dir=/
lang en_US.UTF-8
[Code]...
It almost seems like the version of Anaconda in Centos5.4 does not support specifying UUID or LABELs, but I have not been able to confirm that from the Release notes.Appreciate any tips/references/documentation.
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May 10, 2011
in my vimrc I am sourcing the following: source $VIMRUNTIME/mswin.vim At first this file was missing, so I downloaded it from: http://ftp.twaren.net/vim/runtime/mswin.vim However when I try and open gvim I get: My first thoughts of the cause are: - version of mswin.vim incorrect? - version of vim incorrect?
Quote:
[09:12:05][root@host:/home]# gvim deploy.sh
Error detected while processing /usr/share/vim/mswin.vim:
line 46:
E121: Undefined variable: paste
E15: Invalid expression: paste#paste_cmd['i']
[Code]...
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Aug 31, 2010
I have a need for a complete software list off of an existing RHEL 5 system. I need this list to compare software installed to software on a government approved software list to ensure the compliance of this system. I was given an RPM Dump, listing all the 2000+ packages on the system... This does not translate to the Government Approved software list that I have to compare to. I do not have access to this system myself, so what ever method is prescribed for extracting the list I will have to pass along. What I need is either:
1) A way to convert an RPM Package dump to actual software names and versions, etc.
OR
2) A method to extract a complete list of software (titles/versions/etc) from an instance of RHEL5.
Example: Instead of knowing that "pango-devel-1.14.9-6.el5" exists on the system I need to know that "Pango v3.0.x" is installed on the system. Many packages do not relate on a one to one basis with a specific piece of software via inter-dependencies etc. (not to mention the version of the software, not the version of the package/library). The Pango example is not the best example as you can see what software is likely the source of this package; however just because this package is installed, I cannot grantee 100% that the Pango software suite is installed, just that this package was installed...
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Dec 7, 2010
I have accidentally clobbered my root path /, but /boot and /usr and /home are okay. Silly me instead of doing a fsck I did a mkfs - arrgh!
/boot is on a separate partition and /, /usr, /home and swap are in a LVM I do have a backup of / on a separate machine which uses backuppc. getting ssh and rsync going first will be a priority. Luckily the machine is not a critical one as it only runs Oracle and mySQL...both databases are on /usr partition
My question is can I have the install only install the /boot and / parts but leave the /usr and /home alone?
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Apr 15, 2010
I have bluetooth enabled in a Windows desktop Machine, which is connected to internet.
I would like to connect to internet through bluetooth available in my laptop which is running on CentOS 5.3.
I referred to many tutorials in internet, still couldn't configure bluetooth.
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Jul 28, 2011
I have a lot of problems with the server and I want to reinstall the Centos in order to have a clean system. The problem is that I have access only via ssh console (with putty aplication)
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Oct 23, 2009
Is there a way via yum to reinstall X/gnome/XFCE?
after the 5.4 upgrade I know longer have a X session. I can ssh in but no X whatsoever (monitor is blank).
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Nov 13, 2010
I tried this once but my post disappeared. A thousand pardons if this is a dupe.Through the magic of typos, I managed to delete my ssh binary file. I can receive SSH connections but am unable to SSH into another computer.I located the RPM that looks to be what I'd want -- openssh-4.3p2-41.el5_5.1.i386.rpm -- but it refuses to install. RPM gives me the following conflicting messages:
[root@lightning packages]# rpm -i openssh-4.3p2-41.el5_5.1.i386.rpm
package openssh-4.3p2-41.el5_5.1.i386 is already installed
and
[code]....
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Apr 30, 2011
I've installed cpanel and the only way to remove it is a complete reinstall of centos. So, I just need to know how do I reinstall and reformat centos correctly?
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Aug 23, 2011
How do I reinstall cent OS 5.2 without formatting the partitions? for example: I've create several partitions (create custom layout) and OS is installed completed. But I have some application need to reinstall at "clean" OS. If I delete and create same partitions again it take long time to format the partitions. How do I just reinstall OS without formatting those partitions?
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Jan 17, 2010
I have a newly installed CentOS 5.4 on Gigabyte G31M-ES2C, I had to change the motherboard since it has some problems. Unfortunately the new motherboard is a rev 2.x board, which has a different onboard NIC (old one is RTL 8102E, new one is AR8132), so now my ethernet connection doesn't work anymore (no eth0 device), I assume I need to install a new driver for the AR8132? If so, what's the steps to do so?lspci shows Ethernet controller as: Attansic Technology Corp. Atheros AR8132 / L1c Gigabit Ethernet Adapter (rev c0)
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Jul 22, 2010
I install CentOS5.5 on VMWARE,the system is working properly.I want to test reinstall CentOS5.5 on VMWARE,So,I make a snapshot.My system partition（Manually partition ）is:/(1G),/boot(512M),swap(2G),/usr(30G),/var(10G),/data(20G).Each partition is independent of the ] partition.I reinstall CentOS5.5 by CentOS5.5.ISO.I format / partition,and other partition unchanged.However, the installation process was wrong:
==============================================================
Package Installation
Error running transaction[code]...
How I can reinstall CentOS（Do not lose important data）？Does there have any authoritative description？
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Sep 2, 2010
Just installed updates with the recent kernel update 11.3 for Centos 5.5. I have had guest additions running fine before that. Now when I try to reinstall the guest additions (which is necessary) I get the message Detected Unsupported x86 environment. how to get this going since it was running fine before the kernel update.
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Apr 29, 2010
I recently installed opensuse 11.2 on my laptop which also had windows vista and windows 7, i created a new partition and the installation went smoothly, after i went to boot back into windows 7 i got a blue screen of death, strangely vista boots perfectly.I could just reinstall windows 7 but its a pain to reinstall all my programs and such
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May 2, 2010
So I was messing around trying to uninstall Nibbles and reinstall since I have an issue starting that game and something happened and removed the submenu under Games called "Logic", which had another whole list of games.
Is it possible to reinstall the games package or reinstall the update?I'm thinking more of the lines of a system restore or something so back 2 days from today.
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Jul 6, 2010
When trying to mkfs -t ext3 /media/HD-CEIU2 mounted drive, I receive "is not a block special device". Then after answering yes to proceed anyway, get messages indicating the device couldn't be read. I did fdisk the drive and rebooted.
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Apr 2, 2010
I am newbie in Linux, using RHEL5. I created an account for user. User cannot log on from GUI but able to log on from command line by (ctrl-alt-f1). As a root I can log on from GUI mode.
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Feb 4, 2010
i want to install dns in my pc. all configurations in a broad way
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