CentOS 5 :: Backup And Restore On 5.2 Final Release?
Mar 31, 2010
We have a linux server (centos 5.2 final), with postfix smtp server, webmin, usermin and sugar crm
We need to backup all the data, and then perform a restore on a clean machine, without any OS installed yet.
I look into many pages that says that doing a backup on linux it's as easy as pack all the files in a .TAR file. Unpacking the tar will restore the system to it's original state. Also, i'm confused because if we perform a backup and mysql has active connections, perhaps the database would be inconsistent or corrupted. In the restore step, do i need a live CD in order to boot up linux command prompt? �Can it be from any linux version, or only centos version?
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Mar 22, 2010
if I install 10.04 beta, will it update to the final release or will I have to do a distro upgrade?
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Apr 24, 2010
If I install the RC will I be able to upgrade to the final release, or will I have to do a complete reinstall?
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May 11, 2009
This is the first time in two and half years of using Ubuntu that I've had to decide to downgrade, pretty disappointed that there are so many bugs in a final release, especially the more irritating bugs such as:
After alt+tabing I can't type sometimes (I've posted about this before), after a clean install problem still persists, I alt+tab a lot so not being able to type without minimizing my window is irritating
compiz + jaunty issue of assigning a key to bring up a terminal. The bug has been confirmed but if there is a fix, it wasn't put out with the release and requires tampering (usually I'd be okay with this but coupled with the other issues I see no point in wasting time)
nvidia card with twinview - with every prior release nvidia-settings worked flawlessly with twinview. Now the biggest issue is that when I fullscreen something it takes up both screens (such as a movie), when I am trying to work on one monitor and run a movie on another one I can't fullscreen because if I do it takes up both screens. I never have had this issue with a prior release.
I guess there is a first time for everything. I'm downgrading my system as well as my girlfriends because of the known intel graphics problem (I've read the wiki's about why they chose the driver but....a final release of an OS should not contain beta/experimental drivers that freeze up a computer set as a default).
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Mar 22, 2011
I am wondering about when Gnome 3 is released, how long until it's in the "stable" repositories?I have generally used Ubuntu, but I don't like the Unity interface they are pushing out in the next version, so I am greatly considering simply using Debian. Debian also is my first consideration because Ubuntu is based off it.But, I want to try the Gnome 3 interface first. I already have Debian installed and updated, and am now simply waiting on the GUI.
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Apr 27, 2010
I installed the RC of Lucid on an old AMD X2 5600 w/4GB DDR2 ram, and put it in the other room and installed LAMP on it to use as a local development server. It works beautifully over the network.
1. There will be an upgrade option to go from RC to final release, right?
2. When upgrading, will this kill my LAMP install? I really don't wanna go from scratch now that I have it all up and running with a load of CMS systems installed for test environments
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Apr 28, 2011
I can't install Ubuntu 11.04 32bit Desktop edition on my Dell Mini 10v. I followed the instructions from the Ubuntu website and made a bootable USB drive using the universal USB installer for windows. I put the usb drive on my netbook and prompted the boot options to boot from the usb drive. Once I got to the installation screen and attempt to install ubuntu on my hard drive it goes blank for a few moments, and a wall of text floods my screen and it stops installing.
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Jun 19, 2011
I have tried to run Picasa 3 (beta) and version 2.7 in Fedora 15 installed from rpms and get the same results.
First of all - [gary@FedoraCore15 ~]$ uname -r 2.6.38.8-32.fc15.i686.PAE F15 is a fresh install, no preupgrade etc. Dual core processor, 6 gigs memory 2.5 TB
At first I got an SELinux alert, troubleshooter gave me three options. I followed the last option, I believe I set a policy for wine-preloader only to mmap low memory. These were the commands I got from the troubleshooter:
[root@FedoraCore15 gary]# grep wine-preloader /var/log/audit/audit.log | audit2allow -M mypol
[root@FedoraCore15 gary]# semodule -i mypol.pp
After this I got no errors from SELinux or anywhere else, but no Picasa. If I run Picasa from a terminal I get the following: [gary@FedoraCore15 ~]$ /usr/bin/picasa
/usr/bin/picasa: line 189: 3186 Segmentation fault (core dumped) "$PIC_BINDIR"/wrapper check_dir.exe.so
/usr/bin/picasa: line 248: 3298 Segmentation fault (core dumped) "$PIC_BINDIR"/wrapper set_lang.exe.so
[gary@FedoraCore15 ~]$
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May 2, 2010
Will I receive all the updates as the final realease if I am running the RC. Don't want a a fresh install.
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Apr 21, 2011
I have 4 different servers with exactly the same hardware. I set up one of them to have a centos install with all the basic stuff I'd like running on each one. I then created an image of the harddrive with the operating system, and stored it on an external drive. I used dd to copy the external image to one of the new machines. It worked fine, everything booted up as normal and with a few tweaks everything was great. The problem is that the drive is rather large (500gb) and it takes days for dd to copy it over. I decided to try a different route, I booted to a usb (using the linux distro on the ultimate boot cd pre-loaded with gparted). There are two partitions on the external drive, a small (100mb) partition which can easily be copied over with gparted, and the larger 480+gb lvm partition.
Gparted doesn't support lvm, so I used fdisk to create a new lvm partition on the new machine, and then pvcreate/vgcreate/lvcreate to re-create the same volume groups/logical volumes that are in the image on the external harddrive. I rsync'ed all the information over from LogVol00, and made the same swap partition LogVol01 (which took WAY less time). I disconnected the hard drive and renamed the volume group to VolGroup00 (initiall I named it differently, since linux doesn't like having the volume groups named the same). I can mount the LogVol00 partition and see all the files as they should be. But when I try and boot up, it doesn't even go to grub, I just end up with a blank screen and blinking cursor. How to make the drive bootable? Alternatively, a better strategy than using dd to restore this image??
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Sep 30, 2009
this message is a bit long but I've been pulling my hair for 2 days now. I am installing Centos 5.3 on a Dell Powerege R610, x86_64 flavour. That part goes well. next is testing backup & restore. I've tried MondoArchive, that I used on other OS, but it fails to remount the LVM correctly, and disk formatting fails. Now, I am trying another way: boot with centos 5.3 i386 live cd, take the disks online, cpio to a usb file everything but: /tmp /proc /boot /dev /etc/fstab /etc/mtab
then, reinstall a fresh centos to erase the disk (crash simulation) and to simulate the initial restore I would do after a crash. From there, I go again with the livecd, mount r/w the logical volume, cpio -i all my files, and reboot. It sort of goes well. system reboots correctly - it loads all my drivers (even asterisk & dahdi and the T1/E1 card light goes green...), starts KDE, but from there I get an infamous error message preventing me to log in "Your session only lasted less than 10 seconds" - looking in the details, i get this message "could not exe /etc/X11/xinit/XSession default' - but I dont think X11 has so much to do with it...
When I go to a text console (ctrl alt f1), and try to log, no luck either - and no time to see why. I've modified initrd to level 1 - there I get the single user prompt, that's ok - but init 3 brings me to a screen where I cant log (either with root or a user) - there is a clear difference between an incorrect password and a failed login - the later, as soon as I enter the password, I return to a login prompt Now my questions. 1/ how can I make a "system backup" of Centos 5.3 x64 -ie after a crash, I want an image tha t I will restore and bring back OS + Applications (data can be backed up separately) 2/ what is wrong with my restore thru livecd ? why cant I log into the system ?
[Code]..
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Apr 19, 2010
I installed Ubuntu 10.04 beta a couple of days back.This is the first time I am using a beta release.Some programs are crashing, although not frequently.
My question is - WHEN THE FINAL VERSION OF UBUNTU 10.04 IS AVAILABLE FOR DOWNLOAD, IS IT MANDATORY TO DOWNLOAD THE ENTIRE ? OR WILL UPDATING OR UPGRADING VIA THE system ---- administration --- update manager will upgrade my current beta version to the final release ???
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Apr 25, 2011
Client has a server running 5.5 (I think) and it they moved locations. This server is used in other locations (state) via ssh tunnel as well so they can all access files.
When attempting to boot up I get screenshot 1 (superblock errors)[url]
They supposedly have a backup on a hot swap scsi and I want to know how/if I can restore it using that backup if I cant fix the superblock boot/error issue.
I took some other screenshots:
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May 10, 2011
I install and tested Restore EE Backup server on a test PC with basic configuration and its working fine.
[URL]
The issue i have is where is the location these backup snapshots or files are saving? I want to add a separate Storage to save the backup?
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Feb 4, 2011
I am now preparing myself to upgrade lenny to squeeze and decided to do a backup on my system. I used backup-manager to do the job and it worked fine. how do you restore said backup data?
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May 12, 2010
I've run into a problem when trying to restore a file using AMANDA.My setup is as follows:
I have a server that runs on Red Hat Enterprise Linux Server release 5.4 and I have a client that runs on Red Hat Enterprise Linux AS release 4. I successfully backed up files on the client using AMANDA.Now I am trying to restore a file from the backup and restore it to the client running Red Hat Enterprise Linux AS release 4. In order to do this, I have to go through the server which runs Red Hat Enterprise Linux Server release 5.4.
Here is the problem I encounter. When I try the restore, it freezes at the extraction process. I've left it running for the night and still it is stuck at the same place. The restore never completes.So I'm wondering if anyone knows what seems to be the issue? Could it be that the AMANDA driver I installed does not allow restore with different versions of Red Hat? Or is there an update in Red Hat 4 that would fix this issue?
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May 12, 2010
I've run into a problem when trying to restore a file using AMANDA. My setup is as follows: I have a server that runs on Red Hat Enterprise Linux Server release 5.4 and I have a client that runs on Red Hat Enterprise Linux AS release 4. I successfully backed up files on the client using AMANDA.
Now I am trying to restore a file from the backup and restore it to the client running Red Hat Enterprise Linux AS release 4. In order to do this, I have to go through the server which runs Red Hat Enterprise Linux Server release 5.4.
Here is the problem I encounter. When I try the restore, it freezes at the extraction process. I've left it running for the night and still it is stuck at the same place. The restore never completes.
So I'm wondering if anyone knows what seems to be the issue? Could it be that the AMANDA driver I installed does not allow restore with different versions of Red Hat? Or is there an update in Red Hat 4 that would fix this issue?
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Jul 22, 2011
I have a project needing ecdsa and ec support in Openssl. Unfortunatly the openssl in CentOS 5.6 Final are built without
this functionality. As my experience with CentOS are a little on the fresh side, I would like to know my options in this case.
How I can create key pair as ecdsa?
After I upgrade openssh until version 5.8p1, It's not work on command ssh-keygen -t ecdsa 256, I got feedback "unknown key type ecdsa
"...
What I have suppose to do? when I use openssl new update my server can't work properly again, so I decided to installation again.
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Feb 18, 2010
I would like to install PostgreSQL 8.5 from this link [URL], but it complains that it needs rpm-4.6.0 as dependency. It seems that CentOS does not support rpm with version bigger than 4.2.2, or am I wrong?
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Apr 12, 2011
today i encountered centos 5.5 final server with a squid configured to block facebook from 9am to 4pm. i have tried to follow up the steps but am stack where time restriction is done and there is no proxy configuration done in the browser. the ip address of the server is being used as the default gateway.
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Feb 13, 2011
One Laptop. One hard drive. Two OS's. Windows 7 is shot to hell from installing and uninstalling to much crap. Windows & WILL rewrite my MBR. How do I back up my far superior GRUB MBR and restore it over the wincrap MBR once I am done reinstalling Windoze?
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Sep 30, 2010
I'm now using Ubuntu 10.04 with ext4 and for the second time in my life I experienced data loss (not for real: I got backups) and I'm assuming problems with the recent ext4 fs.
I want to restore all of my configurations (/etc and the like), data and home on reiserFS: is this possible? What to do in order to accomplish that?
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Jun 27, 2010
How to take Backup & how to do restore in GnuCash. I need to take backup of my all accounts & all transactions
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Jul 24, 2010
Im running ubuntu 10.04 and I recently had a little adventure whilst trying to disable KMS and deleted all the stuff out of the # kopt line and added the nomodeset thing.Now I crash to easybox everytime I try to boot, how do I restore the backup of said file that I noticed beside it in the folder. Also I saved one to my desktop.
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May 6, 2011
how to take tar backup and restore in mysql,Iam new to mysql,i searched in google but i did not get the exact one.
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Feb 13, 2009
Do You have any good script to backup and restore Subversion ?
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Jun 10, 2015
I have Lenovo IdeaPad z510 laptop.My HDD SMART status is currently "failure". As my laptop is under warranty I can return it to lenovo. So I want to backup as much data as possible (everything is readable). I currently have 3 operating systems: linux xubuntu 14.10, debian 8 and windows 8.1 (triple-boot?). I want to back up only my current debian installation. There are 3 partitions for debian: root (about 50GB), home (>200GB) and swap. I know that I can backup the whole partition using:
Code: Select alldd -if=/dev/sdaX -of=/locaton/of/backup -something
And create .tar file with the whole home directory.
how to restore it later. In /etc/fstab there are references to UUIDs, and as I understand, with new HDD these UUIDs would be different. And possibly the whole partition table would be different. And how would I restore GRUB?I can't make full image of my disk simply because I don't have disk to store it on.Is it possible to create backup on my current debian installation without actually making full HDD backup? Would it work if I would install debian on new disk, then from LiveCD overwrite it with my backup and modify /etc/fstab to match new partitions?
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Aug 27, 2009
My laptop is Windows XP Fedora 11 dual boot. I am replacing it because of a defect. The original laptop is fairly new so I could simply start from scratch and setup everything again. But I was thinking there might be a way to do an image backup and restore. My new laptop will be identical to the old one
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Feb 22, 2010
I have fedora 12 (amd64) on desktop. I was wondering if there a way to backup and restore all my downloaded updates since installation?! In the same manner that debian has aptoncd. I am planning to migrate on all data to a new partition with clean install and then just move the updates there.
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Nov 5, 2010
I do regular full and incremental backups using dar. All disk volumes are labeled and mounted by label. There is no other operating system installed. I built a new system but due to having to RMA a disk, I built the openSUSE system on a disk from the backup cycle. This Maxstor disk has problems which is why it was moved into an external box and the backup system. I now have a replacement disk and wish to replace the Maxstor before it dies. I initially tried a disk to disk clone with clonezilla but this died complaining that a small target partition was smaller than the source partition. It had created the partition and the start and end sectors were identical. There are no problems with the new disk.
I decided that it would be a good opportunity to test a full system disk restore from the backups. I have in the past restored individual files and partitions but have never restored onto a bare boot disk. I have restored and labeled all 6 partitions. The partition containing / has been marked as active. /boot is included in the partition containing /. fstab is valid, menu.lst is valid, device.map needs editing but this is not a problem.
What do I need to do to make this disk bootable. I have looked through the GRUB documentation but if you try some standard GRUB commands in 11.3 you get messages saying don't do this use YAST. I have seen other suggestions ranging from trying to start the not supported system repair option to using dd to copy the MBR which seemed to trash the partitions in the users extended partition.
The YAST bootloader displays "boot from the root partition". I assume that this is currently what is happening rather than what YAST thinks might be a good idea for next time. I suspect that all I have to do is dd the first 512 bytes of the root partition. If this is the case I can add this to the backup process. While I automate backups I do not automate restores. Each restore tends to be different and I am not sure of the best way getting grub to work on a bare disk restore.
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