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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Unreadable backup directory on a USB drive

The title pretty much sums it up. I was editing a script I wrote some time ago to automatically backup the contents of my Raspberry Pi SD card, and in the course of editing, I missed a "/", and so ...
2
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1answer
39 views

Automounts: All mounting and will not umount on its own [on hold]

I have a few SLES 11.2 servers. They do something really strange with automount. We have nearly 500 possible automounts our users and their codes may need, including automount entries for each ...
4
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2answers
371 views

How to backup entire xen dom0 (on debian)

How do you go about creating a bootable backup ISO of my computer (dom0)? I have tried remastersys and this backs up everything but Xen does not work properly. LiveCDs also do not work. Does ...
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13 views

my question is about peppermint

im am attempting to transfer my Linux Peppermint laptop files to a windows 8.1 laptop. id appreciate any guidance as to how to do this, because I'm a relatively new Linux user.
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1answer
402 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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1answer
1k views

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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2answers
3k views

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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1answer
12 views

Tool for migration of service configuration

Is there a tool that handles generic migration of config? For example if I have httpd, postfix, MySQL and users and groups data, is there a tool that can extract the config data for each service so ...
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2answers
38 views

Databases backup with cron

I'm trying to set up a cron job in order to backup my databases daily. Here's what I wrote in my crontab file : 25 18 * * * root mysqldump -u root -p myPassWord --all-databases | gzip > ...
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1answer
259 views

Why has '-' been chosen as the backup file suffix for certain Unix system files?

Example: /etc/group-, /etc/passwd- Is there any motivation behind choice of the - sign (e.g. easier to recognize, process, etc.)?
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1answer
29 views

rsync initial sync

I'm new to rsync. I have a Linux machine with an external harddrive (ext3) and a Windows machine with an NTFS external harddrive. I connected the NTFS harddrive to the Linux machine and did a mirror ...
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5answers
185 views

Is it possible to have more than just one backup when editing text files?

Gedit and medit are two text editors that I know of that allow me to save a backup. So, if I create a file called temp.txt the next time I edit it and then save it, I'll have a backup called ...
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2answers
63k views

Compress a folder with tar?

I'm trying to compress a folder (/var/www/) to ~/www_backups/$time.tar where $time is the current date. This is what I have: cd /var/www && sudo tar -czf ~/www_backups $time" I am ...
4
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2answers
114 views

What's an effective offsite backup strategy for a ZFS mirrored pool?

I use a ZFS pool consisting of two mirrored disks. To get offsite backups going I've purchased two more disks. My initial plan was to create the offsite backup by attaching a third disk to the ...
2
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1answer
28 views

Should I increase inode count for a rsync backup volume?

Considering rsync used for incremental OS backup creates hardlink farms for all non-differing files, if I use it to backup a large, slowly-changing system regularly to a dedicated volume, I'm worried ...
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0answers
28 views

ideal btrfs storage scheme to incorporate external USB HDD as backup media

Is there a way to leverage btrfs's advanced features (COW, snapshots, etc.) to continuously backup/mirror my main storage volume to an external USB HDD?
2
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1answer
45 views

How to use a bootable USB stick and Linux to recover data from a broken hard drive

I would like to run a Linux installation on my Mac from a pen drive in order to create an emergency backup of my most important files. I do not know whether my hard drive is physically broken or just ...
2
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1answer
32 views

Using rsync for incremental backup, what happens when original full backup is due for deletion?

I have started an incremental back up, on an external hard drive, of my Fedora 20 data etc using the scheme from here, which produces a full back up on day 1 followed by incremental backups using hard ...
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2answers
58 views

Compare directory trees regarding file name (and size and date)

I want to check the results of a restore from backup. This is, because TimeMachine on MacOS gives me some weird errors and warnings and I want to make sure, everything is in its place again after ...
0
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1answer
39 views

ZFS backup advice with another server

I currently have two servers both have the exact same hardware, disks, etc. One server (server1) is going to be the "main" server. It's basically a server with raidz2 that has SMB shares on it that ...
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18 views

What are portability of backup, remote backup and networked backup mean?

From the book Linux Administration Made Easy: When deciding on a backup solution, you will need to consider the following factors: Portability − Is backup portability (ie. the ability to ...
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0answers
97 views

How to use terminal to access iCloud Drive when Finder is not running

I would like to access iCloud drive from Terminal in order to create an emergency backup. Unfortunately, my installation of Mac OS Yosemite is not operational, so I am using recovery mode to create my ...
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23 views

Can I change the exclude file list while running rsync under a cron job

I am using Fedora 20, MATE desktop, zshell. I have started a cronjob to run, every evening, an incremental backup using rsync, closely following the suggestions here. After the first run yesterday, ...
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5answers
19k views

Is it possible to mount a gzip compressed dd image on the fly?

I like create an image backup for the first time I'm backing up a system. After this first time I use rsync to do incremental backups. My usual image backup is as follows: Mount and zero out the ...
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1answer
68 views

Raspberry Pi backup server (Mac & Windows) [closed]

I would like to set up my raspberry pi model B and my 2TB hard drive as a backup server for both my windows pc and my mac. I would like to partition my hard drive such that 300GB is for mac time ...
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2answers
772 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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125 views

Is btrfs suitable as backup filesystem?

Right now I have a pretty traditional backup filesystem structure on top of ext4. Every time a backup is made, a new folder backup-DATE is created to which files are rsync'ed (with hardlinks made ...
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2answers
101 views

What root directories should I back up? [duplicate]

I intend to start incremental backups of my Fedora 20 system, and would like to know what root directories I should include, and what directories it is useful to exclude. I know there is a lot of ...
4
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1answer
8k views

What does 'mount point' mean in a Linux installer?

While installing Linux, it asks for a 'mount point' selection. I gave it /, but I don't know the exact meaning and aim of this. Also, now I want to create one more mount point, /home in my machine ...
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7answers
11k views

Recovering accidentally deleted files

I accidentally deleted a file from my laptop. I'm using Fedora. Is it possible to recover the file?
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1answer
40 views

Backing up Linux server to Windows domain

I'm maintaining a small Linux workstation/server in a Windows-domain-based environment. Apart from being in the same network, the Linux computer is not connected to the domain. Until now, I'm using a ...
0
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2answers
915 views

Backintime Linux desktop backup to a Synology DiskStation

Backintime doesn't support plain SFTP backends so it does not seem to be easy to setup a remote backup to a Synology Diskstation (in my case a DS214 with DSM 4.3). Backintime supports SSH/rsync based ...
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26 views

Backup and restore IMAP mail account with (open source) Linux tools

Which Linux tools help to backup and restore a IMAP mail account including all mail and subfolders? I expect disconnects for large IMAP accounts because of ressource limitiations on the server ...
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58 views

Backup to flash drive using rsync

I've decided to make a full backup from my SSD disk to flash drive. According to archwiki general backup is done with following command: rsync -aAXv ...
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1answer
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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2answers
58 views

How can I capture a consistent snapshot of a directory and all its children?

We have an application that periodically backs itself up to a directory on the local file system. Inside this directory are several more files and directories. I want to produce a "snapshot" of all ...
2
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1answer
55 views

Shutdown script seems to be executed twice

I have a small backup bash script that I wrote for my computer at work. I have copied the script into /etc/rc0.d/ and called it K01backup so it is executed before anything else upon shutdown. It backs ...
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1answer
22 views

Backup and restore of raid1 device, after OS upgrade

We have a physical RedHat server with two 60GB local disks, and two RAID 1 devices on them. There are also a few multipathed SAN luns. Disk /dev/sda: 60.0 GB, 60022480896 bytes Device Boot ...
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17 views

Want to setup a dropbox sync drive

Is there way to setup a small computer, or raspberry pi, etc. to hold a hard drive, sync it with dropbox and allow access (even if just read only) to the drive through USB to another device/computer? ...
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3answers
203 views

Automatic login via ssh (no GUI environment installed / no ssh-agent available)?

I have three systems, and I want to have them doing backups between them periodically. The two of them, have Debian Wheezy installed and the other one has Ubuntu 12.04 installed. Only the Ubuntu has a ...
0
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1answer
59 views

Shell script runs differently when schedulled with cron

I have a strange problem with my backup script. To begin with, this is the backup script: ########################################################### # CODE BEGINS HERE ...
2
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1answer
37 views

Making an exact copy of a Windows instalation

My goal is pretty simple: I need to make an exact copy of a windows partition. Then I can wipe it down, play with it and when I'm done, I can re-copy the partition back and have everything back in ...
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2answers
10k views

rsync gives “chown <…> failed: Invalid argument (22)” with nfs share

I'm trying to back up my entire system to an external disk using rsync, via a shell script which is run as root: #!/bin/bash rsync -vSHPhhaX --numeric-ids --delete ...
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128 views

Can I restore a single partition from a Clonezilla disk image?

I was thinking of performing a Clonezilla backup and was wondering what backup mode to choose. Generally speaking, Clonezilla offers the following backup options: savedisk: Save a full disk image ...
2
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0answers
60 views

duplicity: how to create & restore full system backup

I would like to create a full system backup using the duplicity. Accordingly, I created a backup of the root directory /, excluding /proc, /sys, /tmp, and /mnt. However, when trying to restore the ...
2
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1answer
609 views

Incremental file back up by date

Is there any backup tool that supports partial back up by date? What I mean is that I have some small drives such as on a laptop that can't hold a full copy of all the files on an external 2TB drive. ...
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75 views

Scheduled job to move files from web server to NAS

I have a website hosted on a shared server. Once a week a cron job runs on the web server to tar the www folder and export the MySQL database to a password protected backup folder. I have a Synology ...
2
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1answer
164 views

Send backup by email with crontab

I use this cron job to do a backup of /home/blah/ each day at 01:00 a.m. : 0 1 * * * tar -zcf /home/blah/backup.tgz /home/blah/ In fact I would prefer that an email is sent to me with the .tgz file ...
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2answers
45 views

Download all pages linked on a page in a certain region

I would like to download my users activity page of this Unix&Linux with wget and all pages that are linked in the activity list. I tried wget -m -l 2 which should mirror the site recursively ...
0
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1answer
63 views

Rsync doesn't skip existing files

I use rsync to backup all the files from a specific folder in a USB drive connected to my Mac (Osx 10.9) to a folder of my home network NAS. The problem is that rsync replace all files and it does not ...