What OS files to backup ?

Hello,
I am an Oracle DBA working on linux OS , a new linux admin has joined the company and is not aware what OS files need to be backed up on a weekly/monthly just in case the OS has to be installed again.
Is it possible to get such a list ?
Thanks,
C.

Whether or not a system backup makes sense depends on what you are trying to accomplish, but it is usually not very useful.
If you backup a system, I suggest to backup all files, but you must not backup /dev and /proc. The footprint of a Unix or Linux system is relatively small so it does not make sense to bother with sophisticated backup filters. The situation was different 15 years ago, when setting up a system was rather complex, but a backup of a modern operating system is usually more of a hassle and a matter of discipline than real benefit.
To my experience, a document describing the system configuration and parameters will be more useful than a backup. You should use RAID 1 to protect your system from a hardware disk failure. In case of a catastrophic failure, you will most likely end up with new hardware or consider to install a newer version of the operating system anyway. It is faster to setup a machine from scratch than restoring from a backup and possibly restoring an existing or unknown problem.
You should however backup non-OS files. Which files these are, depends on your product. For an oracle database this typically means /etc/oratab, /usr/local/bin and home directories.
Edited by: Dude on May 17, 2012 5:00 AM

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Pondini wrote:
odysseus wrote:
This is a weird story. My wife has a PowerBook G4/1.33 GHz that she uses in clamshell mode with a 20" Cinema Display. One day under OS X 10.5.6, her Time Machine backups (to a networked 500 GB Time Capsule) failed with the error: Backup failed with error: The target volume is read-only. So I upgraded her to 10.5.7 and erased the sparseimage file, starting a new Time Machine backup. And it just happened again.
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Dewey
I'm sorry bit this is not clear.
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Date: Mon, 20 Feb 2012 06:52:58 -0700
From: [email protected]
To: [email protected]
Subject: LR4 Not Including Sidecar Files in Backup Destination
    Re: LR4 Not Including Sidecar Files in Backup Destination
    created by ssprengel in Photoshop Lightroom 4 - View the full discussion
XMP Sidecar files may exist at the time of import, either because the files were edited in Bridge/ACR or Lightroom, itself, or another XMP-creating program such as GeoSetter that can create an XMP with GPS tags in it.
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On Sat, Nov 2, 2013 at 10:51 AM, Verizon Wireless Customer Support <

What OS files to backup ?

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