Server :: Image Cloning Application (Running Backup Remotely)
Jan 14, 2010
I need to backup my active production servers (yeah it's too late now) with image cloning application that were running RHEL3-5. The problem is I need to run it remotely from my office. Most of the software I found either need to use bootable cd or need to unmount my partitions which is I wasn't allowed to since it's a production servers. I also tried dd but it consume too much time, sector by sector cloning and empty disk space also included so the file created also big in size.
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Apr 18, 2010
I'm getting ready to deploy a Ubuntu server in a remote location. I am deathly afraid of something going horribly wrong though, so what I'd like to do is be able to somehow image the system when it's working, and be able to restore that remotely via SSH if things go to hell. My first thoughts were that I could partition the hard drive, and install two separate instances of Ubuntu. One would be the server in it's working state, and the other one would be a separate instance of Ubuntu that I could boot into to restore an image (if that's possible).
1. If I had two separate instances of Ubuntu on two separate partitions, and I was currently booted into one of them, would it be possible to tell the Ubuntu server to reboot and boot into the other instance of Ubuntu on the other partition over SSH? (SSH is the only form of access I will have to the server)
2. Is there a better way to remotely restore a server than what I outlined above?
3. Also, I've used the dd command to make backups before, but it copies an entire hard drive byte for byte. Is there an argument I can tag on, or another command to use altogether that will only copy the bits that are being used?
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Apr 11, 2009
*Solved* I have been reading the following guide on how to use the VNC programs and a GUI to connect to my main machine from my laptop via my LAN and router:
[URL]
This allows me to control the server remotely, and run applications on the server remotely, with the GUI output being shown on my laptop, which is really neat I had Eclipse + PDT running on my server and had to stop it and start a new instance remotely from the laptop via VNC viewer, as Eclipse said the workspace I wanted to use was already in use.
So starting the VNC server on the main machine does not allow me to access the programs that are already running on the main machine under the native X server. However I can now do PHP debugging remotely using Eclipse + PDT now, and all the PHP source code is on the server machine. That's OK, but I would like to do more than that. I want to be able to connect to the native X server on my main machine, and control all the applications running on the main machine remotely from my laptop, without having to shut them down and restart them again via a VNC viewer.
Is there some sort of remote control program I can use to allow me to connect to the running X server on my main machine from my laptop, and control those applications remotely please, so the desktop layout on the main machine's screen is mirrored on the laptop screen?
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Jul 5, 2011
I have to set at Linux server(i don't know which distribution) to check something ,could some one tell me how can i take the image backup and if that possible with other software like gost image.
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Mar 3, 2011
Is there a way/command to back up all data from a Red hat Linux 4 serve[Including user rpofiles, data, group info, encrypts] either to a Red hat Linux 5.4 machine or as an Image file or manageable resource?
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Dec 16, 2010
I have a CentOS 5.5 server that has just recently been updated to 5.6 running PostgreSQL 8.4 and Drupal for an internal website. The server is also acting as a shared network storage between the Linux server and Windows desktops with Samba.
I just recently purchased a license to run Symantec Backup Exec System Restore 2010 for Linux and the only operating systems that are supported are RedHat and Suse Linux.
Does anyone know of a nice open source solution that we can use to create backup images of the server?
In the event of a server crash, we want to be able to rebuild the server via a bit-by-bit backup image.
The CentOS 5.6 is 32bit
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Apr 13, 2011
have a binary image that I can copy to a partition and have done so successfully in the past. The image is smaller than the partition size, and everything is all good. However, I noticed that in copying the 5 gb image to the 9 gb partition there are 4 gb that are unnoticed by the system. It still registers the partition at the correct size in Gparted and Disk Utility.
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Sep 1, 2010
what is the best software for cloning my centos as an exact image?
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Oct 6, 2010
when i use rsync command to backup my image file , it shows the following error message.
bash: line 1: /usr/bin/rsync: Argument list too long
rsync: connection unexpectedly closed (0 bytes received so far) [receiver]
rsync error: remote command could not be run (code 126) at io.c(463) [receiver=2.6.8]
The command which i used is rsync -avrl -e ssh cms@server:/data/cms/data/images/* /mnt/Backup/Intranet_cms_backup/images
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Nov 2, 2010
I have a pc I want to clone and it has 2 partitions sda1 which is vfat and sda2 ntfs. When I had mounted my external hdd it was seen as sdc1 and my Knoppix boot as sdb1. I tried using the following command to copy the pc image to my external but when it gets to 26Gb it gives read error.
mkdir -p mybackup
mount -t ntfs -o rw /dev/sdc1 ./mybackup
dd if=/dev/sda of=./mybackup/780.iso bs=4096 conv=notrunc,noerror
Where am I going wrong? Is there anything wrong with my above commands?
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Nov 7, 2010
I just invested nearly 12 hours configuring a CCTV system using CentOS 5.5 Server and Zoneminder. I have it setup just the way I want it. I would like to make a clone image of the drive just in case disaster strikes (lightning strike, failed hard disk, etc). In the Windows PC world, I use a program called Ghost to make a mirror image of a hard disk. I power the computer down, run Ghost to make a block level clone of the drive, then power it back up. Can I assume that will work with CentOS without problem?
In the computer now is a 320GB SATA drive. One partition on it is swap, and the other is ext3. There is no raid setup on the drive. I have an identical 320GB drive I could use and keep it in the computer unplugged from the power and not spinning. That way if anything ever happens, I can power down, move the power and data cable to the new drive and power it back up. Granted, I will lose any new config and database changes, but it will be a lot better than starting back at square 1 and reconfiguring the entire OS and software.
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Oct 27, 2010
We have some servers that run in very harsh environments (research vessel) that need to have high-availability.We have software RAID 1 for some measure of resiliency, along with proper data backups (tapes etc), however we would like to be able to break out a new server and re-image it (including RAID setup) from a known good copy if the hardware completely fails on the production box. Simplicity of the process is a big plus.I am interested in any advice on the best way to approach this. My current approach (relatively new to Linux administration, totally new to MDADM) is to use DD to take a complete gzipped copy of one of the RAID'ed devices (from a live CD): ode:
dd if=/dev/sda bs=4096 | gzip -c > /mnt/external/image/test.img then reverse the process on the new PC, finally using Code:mdadm --assemble to re-create and re-build the array.
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Mar 13, 2011
I currently have a centos 4.4 I believe running with a 250GB hard drive. I want to make an image of that hard drive. I have tried removing the drive and connecting it to my windows pc using an adapter that would allow my windows machine run the hard drive as it was a regular external hard drive. Of course windows doesn't reconize that drive since it is linux partitioned. I am thinking that I need to have the hard drive inthe box I am wanting to copy and put in a blank drive in the box that I want to copy to. And boot from a live CD and use cat or dd to copy it. I have seen the commands before bust I am thinking this is the only way. Basically I am wanting to have a duplicate of the drive and build a whole new server that is already all setup.I will just change the host name and assign it another Public facing UP. Is this correct? Oh, and the new server will have different hardware. Might even be AMD or intel different from source or destination.
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Jun 12, 2010
I have been looking for a complete backup solution like "Acronis True Image Backup and Recovery" on Windows for Slackware a while.
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Jul 26, 2009
I have a CentOS5 server with a 1tb hard drive.There is only 80gb of data on that huge drive and now I want to make a bare metal recovery backup using AcronisMy question is, how can I estimate the amount of time the backup will take and the size of the image file? Is it based on the size of my drive or is it based on the amount of data on the drive?
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Jan 31, 2010
How to backup incremental running debian server using rsnapshot?
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May 3, 2011
A question that I've asked myself (and google) many times but never got to an answer.Scenario:ServerA) postfix Primary MXServerB) postfix Backup MXAccording to the rfc a source mailserver can decide where to send email e.g.send an email to backup even is primary is reachable up and running.So my questions are: 1) how do I (live I mean) replicate messages arrived on any server to the other?2) How do I synchronise sent messages, message deletion, folder creation/deletion.Imapsync goes half way towards the solution but it needs to be run manually one off and you must specify source and destination.All I wanted really is a user to be able to use either server without having to worry about primary/secondary or what so ever.
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May 28, 2010
I have come across an issue. We have an application for the biotechnology. The application is very heavy so we are trying to run it on cluster. We have four Dell workstation 7500. Each is having 32 GB RAM. But I am not getting the exact method of configuring cluster and node. I have tried Conga (Luci, Ricci). My questions are:1) Is it possible that our application can run on cluster ?2) If its possible then how shall i configure it?
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Feb 22, 2011
What would be the best way to determine memory consumed by each application running on the server?
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Jun 16, 2010
I use TextMate on Mac OS X to develop. The files I need to edit are on a Linux machine, and I have the Linux filesystem mounted on my Mac OS X. Opening the files and saving them in TextMate is not a problem.What I want to do (from my Mac OS X) is be able to...SSH <linux>cd <folder>mate <filename>I want that to open up the file in TextMate on my Mac OS X (thus, shifting focus from my Terminal.app to TextMate.app). How can I achieve this effect?
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Feb 21, 2011
is it possible to run for instance pan remotely via ssh and make that instance of pan running on server, regardless upon closing it via ssh?for example i would love to do: start pan instance via ssh on the server keep it open while downloading close the ssh session, keep the pan running on the server in background. open ssh session and access the same instance of pan running on the server etc something in that loop.im unable to do that because when i close pan ssh remotely the instance automatically terminates on the server.
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Jan 3, 2011
I found this:[URL]
I'd like to be able to re-attach as well. Anybody know if this is possible and, if yes, how?
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Dec 18, 2009
In a script I am writing I am trying to add logic so that the script can figure out if a remote server uses rpm or dpkg and then run the appropriate command to print a list of installed packages. This works locally, but I need to get it to work through SSH and I have no idea how to do that. The relevant portion of the script is below. It would also be nice to find a way to not need the full path to the executables but I'm not real concerned about that.So anyone know how to make this code work via SSH?
Code:
if [ -x /usr/bin/dpkg ]; then
dpkg --get-selections
[code]...
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Jul 30, 2010
RHEL 5 update 2 I'm trying to start services from a centralized location on many servers. I can start/stop these services from an interactive login without any issue, but when I try the same command via ssh/rsh, it hangs. I have my ssh keys set up correctly and I can run other remote commands.
Local server:
# /etc/init.d/samba start
Starting Samba smbd: [ OK ]
Remotely to same server:
# ssh server "/etc/init.d/samba start"
Starting Samba smbd:
<hang>
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Oct 5, 2010
I run Fedora 13 on my HP dv6000 Pavillion. I am looking for a way to remotely access my work station running Windows XP from my Fedora machine. Most of the information I found explained how to access a Linux box from a Windows environment, and the one place I found that showed the other way around was incomprehensible.
Our company servers run Windows XP, and we have successfully installed remote desktops on other laptops running Windows.I thought of running the remote desktop from a Virtual Machine Windows session, but it seems a cumbersome way to do it.
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Aug 12, 2011
Basically I have setup and configured a CentOS 5.6 system on one server, and will be getting a brand new server in about a months time I was wondering if there was a way to clone a system from one server to another so I don't have to add all the users again, the config files are not a issue as I can just copy them over, but having to re-do all the user accounts, smb accounts and folder permissions will be a pain.
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Mar 30, 2011
In openSuse.. the practical way to backup with a GUI application.
a) Scenario: GRUB crashes or is modified/deleted.. (Obviously not due to ME... I'm and expert even though I just installed OpenSuse 11.4.... about 10 seconds ago..... if you know what I mean).
b) Scenario: Installed/Updated SOMETHING and everything went weird.. (can't boot, nothing runs, KDE/GNOME is dead, end up at a command prompt but I don't know any commands!!!)
Now I had an excellent OpenSuse running..... WHAT do I download to backup, WHAT do I back up so I can do a FRESH Operating System install (SuSe) and restore the rest (or most of it).
SO:
1: What's a good GUI tool?
2: What Folders and Files/Directories do you backup to get back running ASAP?
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Jul 25, 2011
Can anybody please suggest a backup-image solution for Fedora 14?I made some tests with Clonezilla: it works fine but, please correct if I am wrong, it requires booting from a Clonezilla CD and cannot be used to take an image backup while the computer is running.
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Jan 6, 2010
If I use Clonezilla to backup my Ubuntu partition I get all sorts of problems trying to re-install Grub2 after image reinstall. If I backup the whole HD will this include Grub so when I re-install the image I get the whole thing back again?
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Mar 3, 2010
What is best to make a image or a backup.
Whit what for program.
By a image form what partion do i have to make a image.
By backup what directory to backup.
so that when by linux is corrupt i can do a reinstall.
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