CentOS 5 :: 32 Bit To 64bit Without Rebuilding Computer
Aug 18, 2010
so i built my computer with a 32 bit system and I was wondering if it might run on a 64bit. how can i tell and how do you upgrade to a 64?in aix i can just relink the /unix file to a 64bit file and reboot.oh ya do i gain that much by going to a 64bit system? this will be a mail and www and may be a spacewalk system may be use it as a media system too to serve up my mp3/dvd or store them. home system not work related.
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May 27, 2010
It appears the liblphp.so and liblpssl.so files that have been added to /usr/local/lib/php/extensions/no-debug-non-zts-20060613/ and the php.ini are 32 bit libraries. This is preventing them from loading as PHP and it's other modules are all built as 64 bit libraries. To resolve this error, I would recommend re-building the libraries as 64bit. Most likely this can be done using Easyapache to re-build PHP (and Apache) to support these modules. Additionally, libcrypto and libssl are on the server in /usr/lib/ folder. However, they are 64bit libraries which may not work on the 32bit .so files you have provided.
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Sep 2, 2009
I've got a mailserver set up in a raid1 array.I shut down the system to install a CD-ROM drive but forgot to change the master/slave settings (I know, don'tt say anything) and didn't realize it before Centos started booting up, so it booted the hdc drive from the array.I rebuilt the array using mdadm without any apparant issues but on subsequent bootup, I get the following error :
kernel: hdc: dma_intr: status=0x51 { DriveReady SeekCompleteError }
kernel: hdc: dma_intr: error=0x84 { DriveStatusError BadCRC }
kernel: ide: failed opcode was: unknown
[code]....
There doesn't seem to be any side effects to this but since that didn't happen prior, I figure there's probably something I didn't do properly since I'm fairly new to the linux world.My raid array was originally set up by the Centos instal software and is set up like this :
hda1 + hdc1 = md0 (boot)
Hda3 + hdc3 = md2 (/)
The other partitions are of the same size on each drive and are swap partitions.
PS : The drive is SMART capable and no errors appear during a self-test.
edit : Clonezilla also fails to boot properly although I don't know if its due to a software raid array in the first place or the errors in the filesystem. When only one drive was detected because of the jumpers, it booted properly.
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Mar 5, 2010
I did a full install on 5.4 64bit. the installation aborted with the following errors:
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Dec 18, 2010
I don't come across as dumb but here it goes *L* I have 2, 2gig usb pendrives. I have Ubuntu on both of these drives 1 is Ubuntu 10.10 32bit the other is Ubuntu 10.10 64bit. When in the live environment can I tell which bit I am currently running. (Yeah I forgot to mark them) I don't want to install the 32bit on my 64bit computer (I know it would work but still) I really dont want to redo the usb's if it is at all possible.
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Sep 1, 2010
After the last update this morning, which involved, among other things, the updated version of the linux kernel, upon rebooting, the computer froze at the fedora logo.
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Sep 17, 2010
I'm new to Fedora/Linux trying it out because I'm becoming hacked off with Windows taking so much time to do anything. The problem I have is that every now and again the computer slows down so drastically that the mouse movements are jerky, response to clicks/key inputs take about 2-3 mins to get a response and the only solution is to press and hold the power button. I'm running a Packard Bell Dot M/U. It has mobile celeron 1.3GHz 64 bit, 3GB ram. Intel wi-fi, atheros LAN (i think), HDMI output. I believe that it is v similar to an Acer Aspire 1410 (but not 100% same).
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Nov 13, 2010
been trying to get a spare computer up and running with 10.10 server 64bit no dice so far, after hours of memchecks, disk checksums, re-burns and whatnot..install stops at 73% and does f. all.. tail log shows that it stops at updating sources, alt+f2 and ps aux shows apt-get update process running. if I kill this process, I can continue with the installation, but for this I need to repeat same process - killing all the apt instances that show up - so that it can complete the install. Unacceptable imho. computer is a AMD cpu based, athlon 2 435 on an ASUS M4A89TD PRO mainboard. ddr3 4gb crucial ram sticks. drives are functional S-ATA. No external GPU, so using IGP.
Tried installing without eth-cable plugged in, with it plugged in, with a usb install (that sorry excuse for an install was even worse, "please insert cd" midway) I know I can get the install going with desktop version.. But why would I want an xserver running on a headless computer. Kind of pissed atm, spent so many hours at this, figuring it just might be a faulty HW item. It isn't. using 10.10 desktop on my laptop and production pc - and been using 8.04 as main server, until now...
Edit: another one of them optiarc sony nec **** for brains dvd/cd-rom/writer it seems. add a check for this in future releases, with big bold letters "YOU ARE SCREWED, BUY NEW HARDWARE" printed as soon as the cd loads in these drives.. I've got better things to spend my time on than staring at a screen trying to figure out why it won't load properly
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Mar 19, 2010
Use python as example, I have 64bit python 2.4.3 yet I can't found rpm for 32bit one so I try to build it.Use default make or make --enable-readline is ok, python make cannot use CFLAGS, can use OPT and LDFLAGS to add -m32, yetit seems can only search for 64bit lib, or else crush.[Moderator edit: Moved from CentOS-4 to CentOS-5 forum.]
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Dec 26, 2010
I have got an Notebook whose CPU is 64bit.The Notebook has an CentOS installation. Now I want to find out if this CentOS is 32bit or 64bit.How can I check this?
uname -a
gives something with ....i686 i686 i386...."
What does that mean?Does that refer to the hardware or the CentOS OS? An 32bit CentOS can be installed on a 64bit hardware!I am interested in the OS capability not of the hardware!
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Oct 12, 2009
I have 2 older 32 bit programs that I have to run in Centos 64bit. I have seen that in Centos-64-bit there are both 64-bit libraries than 32-bit These programs seems to work properly but is it necessary to do anything else?
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Jul 20, 2010
I was wondering what is the best package for a desktop computer 64bit, ATI Radeon HD videocard with dual monitor compatibility?Also, I would like to know specs such as an extense forum discussion of the distro and easy dependencies installation such as the yum command.
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Jul 2, 2010
i opened up my browser to surf the web and a page popped up i had never seen before.Apache 2 Test page powered by centos. Any address i put into my firefox browser won't come up and i'm stuck on this test page and,i can't locate it on my computer to remove it.How do i get rid of it and more importantly how did it get on my computer in the first place?
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Nov 25, 2010
After installing openSUSE 11.3 (retaining my old /home) and attempting to upgrade to KDE 4.5, failing to get KDE to run, downgrading to 4.4 I've now got nothing in the KDE Application menu.
[Code]...
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Jul 17, 2009
I have a 9x320G RAID5 array that I am migrating over to a 3x1.5T RAID5 array.Intermittently, a drive would drop out of the older array and it would automatically start rebuilding. I thought it was a bad cable or controller somewhere, so when I bought the three new drives, I bought a new controller for them all, too. I'm running both arrays side by side until I'm happy the new hardware is stable (one drive was DOA). Then I noticed one morning that both arrays were rebuilding themselves. This was in /var/log/messages:
Quote: Jul 5 00:30:19 mnemosyne -- MARK --
Jul 5 00:50:19 mnemosyne -- MARK --
Jul 5 01:06:02 mnemosyne kernel: md: syncing RAID array md0
[code]....
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Dec 24, 2009
If I compile the kernel once fully and if I wan't to make a minor change how do I do that without having to go through the whole recomiliation? Commands like "rpmbuild -bb" and "make rpm" seem to recompile everything but it should just compile the changes I made.I'm using Fedora 12 with the latest stable kernel.
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Jan 6, 2011
I need to rebuild a kernel module and I'd like the module to be compatible with the ubuntu distributed kernel.I tried something along these lines:
* get the sources via: apt-get source linux-image-2.6.35-24-generic
* cd to the unpacked (and patched, I believe) directory: cd linux-2.6.35
* take kernel config that I'm currently running (I'm running 2.6.35-24-generic): cp /boot/config-2.6.35-24-generic .config
* build the module I care about: make drivers/usb/class/usblp.ko
The module is built, but when I try to load it, insmod fails and I see this in dmesg: usblp: no symbol version for module_layoutI tried to generate the kernel config via debian/rules genconfigs, which resulted in the same config file (with the exception of the local version string). I tried building some other modules and loading them, but I always get that error on loading.
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Jan 19, 2010
I have/had a working system that took maybe 20seconds to boot. However due to an oops with hardware (power cable fell out) I lost 2 disks in a raid5...so I had to rebuild it, now the new partition wont mount on boot and it takes 180seconds Plus to get a control-d prompt. If I remove the mount from fstab and reboot and then mount manually after a normal boot its perfect and works....so it appears something in the boot/mount process is confused....
The q is where do I start looking to fix this?
I suspect its the LVM looking at the ext4 system and getting upset that its isnt LVM'd? Is that possible? The original partiton was /dev/i2o/hda1 and was not lvm'd and neither is the new....so i dont see why.. multiple 180 second timeouts!
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Jun 15, 2010
I had run out of space on a 30GB raid1 partition so I rebuilt it as I had three 30GB partitions on a pair of 120GB drives. I stopped the array and used gparted to create a single 120GB partition on one of the disks. I then copied the data from all three partitions on the other drive onto this newly cleared space, before zapping that too. So I now had two drives with identical single partitions, one of which had all my data and lots of space. I used mdadm to create a new array from the two disks, which looked good. It immediately started to resync the data onto the second drive. However, when I tried to mount the new array this is what I get:
Code:
bob@zaphod:~$ sudo mount -t ext4 /dev/md0 /media/raid/
mount: wrong fs type, bad option, bad superblock on /dev/md0,
missing codepage or helper program, or other error
[code]....
I can mount the drives independently and GOOD NEWS the data is there! However, how can I get round this problem and mount the raid array.
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Sep 16, 2010
This isn't exactly Ubuntu specific, but I do plan on using Ubuntu to try to recover this array. I've been using a Freedom9 freestor 4020 for the past few years and other than it totally blowing up last week it's been pretty good. I was on vacation for almost a month and a few days after I returned my NAS (freestor 4020) started acting up. I tried a few power cycles, but was dismayed to see that I could not log in via browser or SSH (SMB shares were no accessible either). A drive failure light is supposed to illuminate if a disk fails, but no dice.
I plugged all 4 drives from the NAS into an Ubutnu 9.04 Desktop system and one started throwing out all kinds of errors. Thinking that it would be a simple rebuild, I went to my local computer shop and picked up another 500GB drive (same manufacturer/part #), replaced the failed drive, and powered up the NAS again... Nothing. I left it for 12 hours then powered it down, plugged the new drive into my linux box again to see if it rebuilt... the drive was a virgin. What gives me hope that I can still recover the data is Ubuntu sees "RAID components" on the drives (through disk manager and parted), and gives me the option of initializing the array.
My plan of attack is to plug all of the drives back into my Ubuntu box, initialize the RAID array via LVM, and pretty much hope for the best. The data is not uber critical, but it would be a pretty big pain in the behind to rip/upload all the software that was on it (ripping hundreds of DVD/CD images is not fun). If my Ubuntu box can make sense of this newly initialized/mounted RAID set... I'll plug in a 2TB external drive, copy the data over, and rebuild the NAS from scratch, then put my data back on (perhaps a different unit, or something running openfiler).
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Nov 21, 2010
through a series of mistakes i have managed to take a working system and make it unable to boot. my two objectives right now are to back up my data, and to make my system bootable. here's how i got here. i used the Upgrade Manager to upgrade to 10.04 thinking it would solve a problem i was having with my previous installation. when that had completed i found I was unable to boot into 10.04. The system would hang after echoing the message "checking battery state." I attempted to rebuild my grub file, thinking this would solve the 'battery state' problem. this was a mistake. I ended up deleting it, and now there's no menu.lst file in its place.
currently when i boot up normally (i.e., with no Live CD) I automatically go into the rescue mode. so far i haven't managed to enter a command that rescue mode recognizes. alternatively, i can boot from the installation CD for Ubuntu 10.04. per this page: [URL] I take these steps:
1. boot from the installation CD.
2. go into terminal
3. type these commands:
[Code]....
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Jul 13, 2011
I have been able to successfully build a live Linux CD, the problem is during the course of setting up my new linux instance on my latop I had to install a few items (intel drivers). So got all the files and everything worked after manually installing, but wanted to try to rebuild the CD with all the files in the CD, rather than having to use a USB drive to put the file onto my laptop. When I made the changes to the configuration that I previously used(just edited the chroot file and did lh_build again) nothing happened the binary was no rebuilt. So some questions: If I am wanting to add files into a live CD build how do I do this? How do I rebuild a CD? or Is it possible? (i.e. I have to continually start from scratch each time).
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Jan 2, 2011
Here are 2 questions
1.In the last line of the debian kernel handbook 4.2.2 Applying patches
It is possible to apply extra patches to the source before starting the build. First, you should apply the existing patches by running:
You will then find the patched source in the subdirectories debian/build/source_arch_none (default) and debian/build/source_arch_featureset (featuresets added).
You should apply the extra patches in the appropriate subdirectory. where can I find the "extra patchies" and how to do?
2.Even though More than 8 hours have passed, 4.2.3 Building many packages
To build all possible packages for this architecture, run:
To build all architecture-dependent packages, run:
To build all architecture-independent packages, run:
The 1st command still working. what is the all possible packages? and what I am doing?
I am just trying to rebuild debian linux kernel 2.6.26-2, Did I misunderstand?
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Feb 1, 2010
I started out with a RAID 0 of 3x 500GB drives. Partitioned to a 200gb Windows 7 install (plus the 100mb partition), a 50gb partition I was going to use for Ubuntu 9.10, and the around 1081GB NTFS storage partition. It wouldn't work, I tried a bunch of things, EasyBCD, ect, rebuilding grub, and everything else... wouldn't work for me. So I gave up, backed up everything and then rebuilt my RAID into to "separate" drives so that I could just change the booting drive depending on the flavour of frustration I was looking for at the time. Installed W7 back, installed Ub9.10 back. Windows loaded through it's drive fine. Ubuntu will not freaking load. So I ran a script I found laying around on one of the many.... MANY posts I read and will attach the outcome.
[Cide]...
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Jul 11, 2011
I'm hoping, now that I've recovered my partition tables, how to rebuild my LVM volume group. The trouble is that one of the volumes lost its partition table, and after rebuilding the table, LVM can no longer identify the drive. I'm trying to rebuild the 'fileserver' volume group.
pvscan produces the following:
Couldn't find device with uuid 'jsZAMq-LSa1-87Zb-WoGs-oi6v-u1As-h7YZMl'.
PV /dev/sdc5 VG dev lvm2 [232.64 GiB / 0 free]
PV unknown device VG fileserver lvm2 [1.36 TiB / 556.00 MiB free]
PV /dev/sda1 VG fileserver lvm2 [1.36 TiB / 556.00 MiB free]
Total: 3 [2.96 TiB] / in use: 3 [2.96 TiB] / in no VG: 0 [0 ]
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Apr 8, 2010
Unfortunately I encountered a huge problem to installation of wine on CentOS 5.4 64biti, so I need your support. Im beginner in linux especial in CentOS, so I need step by step somebody tell me how to made installation. On CentOS is much difficult comparison with my expectation, but I need installed on CentOS.
So, I waiting any advice or suggestion, much early is possible.
I have already downloaded version wine-1.1.37
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Mar 9, 2011
I recently got a hosted CentOS 5.5 box at a server farm to run a small ftp server for me.
They preloaded the image and installed a .86_64 build of 5.5, and I've only been familiar with i386.
I didn't think there'd be much of an issue from this, but I've gone thru all the normal steps to install and configure VSFTPD, however nothing is working.
I'm running CentOS release 5.5 (Final)
and I've gotten VSFTPD build 2.0.5 release 16.e15_5.1 installed from both yum and rpm (at separate times) and I've also tried grabbing the tar ball of 2.3.2 and 2.3.4, but run into dependency issues when compiling the code using GCC (it wasnt installed the first time).
i've started and made vsftpd persistent using service vsftpd start, chkconfig vsftpd on, and i restart the service after any changes to the conf file.
I'm trying to run the following settings. in /etc/vsftpd/vsftpd.conf
# Example config file /etc/vsftpd/vsftpd.conf
#
# The default compiled in settings are fairly paranoid. This sample file
# loosens things up a bit, to make the ftp daemon more usable.
[Code].....
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Apr 25, 2011
I have a CentOS 5.5 system that I am able to run fully virtualized 32-bit VM's on just fine, but I have need to run some 64-bit VM's on it. It has a "paravirtualized" option that might possibly work, but it wants a network install path, and I am not sure if this is the actual solution. When I go to create the VM I only have i686 and xen for options on the virtualized method, is there a way to add (I am presuming) amd64 in here somehow? The CPU is definitely 64-bit. My google-fu hasn't found results for me yet.
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Jan 17, 2010
I was unable to boot my computer because bad blocks in my drive 'appeared' over my current and most used partition, for 9.10. I discovered there were 101 bad blocks on the drive, so I called western digital and had them send me a new one. In the meantime, running fsck on the drive managed to sort out the bad blocks for the time being. The replacement drive arrived on Friday, and since then, I've been trying to clone my current drive to the replacement. Using Clonezilla, I kept getting the error "bad partition table on /dev/sdb". Alright, I tried a bit-by-bit transfer using dd, but for some reason, the transfer fails on the last partition, leaving the replacement drive unbootable. What do you think I should do? Does it sound likethet sent me another faulty drive, or am I just doing something stupid? I've copied my drive before, but ive never had these problems- i just popped in Clonezilla and away it went.
I'm really leary about this drive, I have many important files for school and TONS of music. The school files, I can back up, and the music could be shuffled to another external drive, but I reallydo no want to go through all of the time and effort to move it to a new drive that may already be failing. Does anyone know what I should do? Is there some way to test the 'health' of the drive before I spend hours rebuilding my filesystem?
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Mar 5, 2010
After I upgraded to current(Tue Mar 2 19:07:31 UTC 2010), I could not connect to any wireless network. It will always failed in obtaining IP address. When I rebuild the package and upgrade with the new one, the problem gone. Also I notice that the package I rebuild is different with the one on the stock tree:
Code:
..ckware-mirrors/slackware64-current% md5sum /tmp/wicd-1.7.0-x86_64-1.txz
446ff631eee4c862263ad0488e3a38be /tmp/wicd-1.7.0-x86_64-1.txz
grissiom 2010-03-05 17:21 @darkstar
[code]....
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