Backing up is the process of making copies (a backup) of data which may be used to restore the original after a data loss event.

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Got fatal error during xfer (Child exited prematurely)

I have a backup server which takes backup of other servers and in few days back the backup server started experiencing error and the not able to take back. I think the error log bellow could describe ...
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284 views

Backing up chroots for host reinstall

I've had my workstation for a couple of years now and its slowly become a complex beast, taking on many roles for my dev and test work. I have done some research and was thinking of setting up some ...
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367 views

Can I get the backup option of cp and mv to work with directories?

--backup[=CONTROL] make a backup of each existing destination file The man page does say that it works on file. It doesn't seem to have any effect on directories. Is there anyway to make this ...
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How can I migrate a bully (reaver alternative) session from Kali to Ubuntu?

I'm running bully on Kali Linux and this is the output : [!] Received disassociation/deauthentication from the AP [+] Rx( ID ) = 'NoAssoc' Next pin '99728298' [+] Rx( M5 ) = 'Pin1Bad' Next ...
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Proper file system for an External Hard Drive to work well on Linux [duplicate]

I have a External Hard Drive (EHD) I want to use to backup the data on my Linux laptop. I want to know how I should format my EHD for it to work correctly with Linux. Thanks.
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Restoring a big partition to a smaller partition with Clonezilla

Some time ago I created a backup of an EXT4 partition with Clonezilla. Now the HDD crashed and I lost some important data. The size of the image of the partition is 50GB. I tried to restore this ...
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311 views

Cleanup of temporary file ~/.cache/duplicity/temp failed

Often when I run Duplicity I see an error message like this at the end of the run: Cleanup of temporary file ...
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25 views

At Backup, when would the filesystems inode numbers matter?

background: Being somewhat of a coward I have up to now dd whole filesystems for backup. Major drawback has become the excessive use of memory for those complete backups (which unfortunatelly also ...
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2k views

Clear unused space with zeros (btrfs)

How to clear unused space with zeros ? (I am asking for tool for btrfs filesystem) I'm looking for something smarter than cat /dev/zero > /mnt/X/big_zero ; sync; rm /mnt/X/big_zero Like ...
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22 views

Wildcards in exclude-filelist for duplicity

I am trying to exclude a "bulk" folder in each home directory from the backup. For this purpose, I have a line - /data/home/*/bulk in my exclude-filelist file. However, this doesn't seem to be ...
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65 views

What should I include and exclude with rsync to back up my system?

I have spent all day experimenting with rsync exclude-from and include-from, no success and completely lost. None of the examples or help I can find answer my exact, but quite simple requirement, and, ...
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40 views

Is archiving the entire filesystem from the root an effective backup strategy?

I am looking at my server through WinSCP and thinking I could tar the lot, save locally, then if starting a fresh identical server later down the line, re-upload and overwrite saving me the initial ...
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519 views

Multiple Mysql databases backup tool?

My OS is Ubuntu 10.10. I have several small sites (all on various shared hosts) and I'm thinking that it'd be probably good idea to regularly backup mysql databases from these remote shared hosts. I ...
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3answers
515 views

Debian 7.1: duplicity error when using gdocs backend

I've installed duplicity backup tool plus python-gdata library on my debian 7.1 amd64 system. When I want to use duplicity to store my documents on Google Drive, it shows this error after asking for ...
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1answer
48 views

How to mount a Clonezilla img to extract files?

I have a large Clonezilla image of a CentOS server that had a 500GB drive partitioned into boot, OS, and data partitions. I would like to mount the backup image so I can extract some files as I no ...
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32 views

Backup using rsync

Last time I backed up my data by copying and pasting my home directory into my external hard drive. Since then, I have added and deleted files from my home directory. I want to update that directory ...
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604 views

How to use btrfs send/receive for transmitting backup snapshots over a slow and unreliable network connection?

I'd like to use btrfs' send/receive feature for transmitting backup snapshots over a rather slow (initial seed of about 50-100GB, upstream bandwith ~1-2MBit/s) and unreliable (daily forced ...
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736 views

rsync: samba vs ftp for backup

I need to back up ~0.5 TB of files (about 600,000 of them) from a Windows Server 2003 machine to a CentOS 6.4 machine across a 100MB network, and update them once a night. The backup script would be ...
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Is it possible to save a KDE desktop configuration?

Is it possible to save a desktop configuration while using KDE Plasma Desktop? I mean, I have customized my desktop with a set of plasmoids, each with its own custom settings, and I'd like to save ...
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22 views

Clonezilla Backup software freezes on boot

I can get as far as the GRUB menu. After that using any of the menu options I get a gray screen saying "Loading please wait..." and a blinking cursor. The cursor disappears after about 1 second and ...
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29 views

How to exclude all files except specific files with Duplicity?

I'm trying to only backup specific files with Duplicity so I first used this command: duplicity /source-path --include "**/*/*.txt" --include "**/*/*.xml" /dest-path However this gives the ...
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rsync all files of remote machine over SSH without root user?

I have this command to backup a remote machine. The problem is that I need root rights to read and copy all files. I have no root user enabled for security reasons and use sudo the Ubuntu way. Would I ...
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After restoring a backup my permissions seem to be borked

I made a complete backup of the system with "rsync -aAXv", and set up my encryption. After restoring everything, and booting up and trying to login, openbox didn't want to start, and "startx" didn't ...
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311 views

How to restore folders to their original destination using duplicity?

After performing a backup of a couple of directories like so: # duplicity\ --exclude /home/user/Documents/test1/file\ --include /home/user/Documents/test1\ --include /tmp/test2\ --exclude '**'\ ...
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37 views

Would this LUKS LVM rsync restore method work?

I have an Ubuntu installation using LVM and LUKS encryption. LVM and encryption were chosen during the install process). While logged into it, I backup the full live system using rsync to another ...
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Is it possible to create an incremental snapshot file from an existing tar archive?

I have created a large tar archive and am now looking to do an incremental backup. The documentation indicates that a snapshot file can only be created when the initial tar backup file is created. ...
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Recover file from previous installation? [duplicate]

I recently wiped an old ubuntu server of mine and installed debian, but i forgot to backup a very important file. I know there is a chance that the computer has already wrote over the file, but what ...
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Intro to shell scripts with basic application: how do I set my computer to make an archive of a particular folder every day?

I've got a situation where I need to give some people access to my dropbox folder. Already so far they have deleted huge folders full of important data. Their computer skills could use a bit of ...
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53 views

How often is the /etc/shadow file backed up?

From man 5 shadow: /etc/shadow- Backup file for /etc/shadow. Note that this file is used by the tools of the shadow toolsuite, but not by all user and password management tools. What I ...
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22 views

Backing up post install; rsync breaks

I use the following command for backup, but if I do a clean install of Fedora, copy over all my backed up files, then backup again, it copies them even though they are unchanged. Why? Can I avoid ...
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74 views

Transfering content of block devices

For the purpose of backups, I'd like to transfer (several) whole disk partitions over an ssh link. So the source is a block special device, and the target should be a regular file. Common tools seem ...
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411 views

What is the expected performance of obnam? Or: why is it so slow?

I've been playing around with obnam these last few days, and although it looks very promising and seems to offer basically everything I ever wanted in a backup tool, I am pretty disappointed in its ...
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Which config files in /etc folder must be unique for each computer?

I am doing a restoration test of backup files on a computer. Without putting much thought into it, I did an rsync to replace all files in /etc folder with the ones in the backup. Then, I realize I ...
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107 views

How to clone an apt repository to keep all old packages?

This may sound trivial, but I haven't found a solution anywhere yet. Is there a way to backup or clone an apt repository such that I get a clone that (1) contains all current packages and (2) keeps ...
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2answers
51 views

How should I restore /var/cache?

I just restored my Raspberry Pi server from an rsync image. During the backup, I had excluded /var/cache/*, thinking that this would restore an empty directory. This worked, but when I rebooted, a ...
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66 views

How reliable is (or will be) btrfs send/receive?

We have at work a 15TB NFS file server using XFS, with a distant clone for backups using rsync, over a moderately slow connection (100Mb ethernet). We are now thinking about using btrfs instead of ...
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Rsync - Corrupted MAC on input

Background I have a script on my NAS which is a Synology DS212J which is running on a special distro where uname -a gives me Linux DS212J 2.6.32.12 #4493 Wed Jul 16 11:37:16 CST 2014 armv5tel ...
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gtar fails to perform incremental backup

The following script fails to perform incremental backup, but creates full backup instead. On another FreeBSD server exactly same script works just fine (creating incremental backups). Servers are ...
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91 views

Back up particular package and its dependencies

My question is: can we take a backup of a particular package and its dependencies? For example, if we install VLC it requires dependencies like kde filesystem,libcaca.so.0 etc.. can we take a backup ...
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840 views

Use logrotate to store 7 daily, 4 weekly and 12 yearly db backups

I've been trying to use logrotate to store a database backup for: last 7 days (daily) last 4 weeks (weekly) last 12 months (monthly) I've done a logrotate script like this, but only the daily ...
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310 views

Backup of svn repository and mysql database on daily basis

How do I instruct Ubuntu 13.10 server to: zip svn repository dump mysql database into .sql script tar both files copy backup tar onto sdb disk Are there any premade tools for such kind of ...
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Is this a correct way to back up one big drive to two smaller ones?

I have a pre-fail drive, and while I'm waiting for replacement I am trying to do full back up to two smaller drives. Given that drive is 3TG and ones I have are 1.5 and 2TB, is this a correct way to ...
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20 views

wget rotated backup problem

I'm calling wget 1.11.4 as follows $ wget -nd -S -N --backups=4 -r --no-parent --reject="index.html*" -e robots=off <url> to repeatedly download all files from a server. My problem is, ...
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Rsnapshot destination full - how to safely rerun?

I ran my Rsnapshot backup today but my external drive became full half-way through the incremental backup (I have about 20 incremental backups now). rsync: write failed on "<path>": No space ...
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2answers
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Rsyncing files with special characters to USB FAT32

I want to copy a large number of files to a USB drive that is formatted FAT32 (and cannot be formatted anything else, unfortunately). Many of these files have names with characters such as : and ? ...
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How can I put some comment in yum installation list?

Lets say I made a List of installed packages by: rpm -qa > list I want to use this list to re-install those Packages on another System, For Example By: yum -y install $(cat list) But I need ...
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System image of running Debian system?

Is it possible to backup a running Debian system to some kind of image file, that could simply be written back to another hard disk using dd in case of failures of the original (backed up) Debian ...
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how can I backup and restore of partitions and logical volumes?

This is my disk scheme sda1 /boot ext4 sda2 /somefiles ext4 sda3: lvm volgroup1/lvolume1 / ...
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166 views

Command-line incremental backup tools

Which command line backup tool(s) has the best compression ratio? I want to backup my entire system, including media files, text files etc. I found this list on the Arch wiki site but I don't know ...
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52 views

Can I create a bootable distribution backup

I'm interested in trying out a couple of distributions, but for extended periods of time (so using a LiveCD is not really an option). However, I would like to create a backup of my current ...