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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355 views

Need a little help with --remote-schema option for rdiff-backup

I'm running the following command: rdiff-backup --remote-schema '%s' 'sudo /usr/bin/rdiff-backup --server \ --restrict-read-only /'::/etc /var/backups/hosts/derp It's backing up /etc from ...
3
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1answer
473 views

Restoring backup files

I have a directory in which are listed some .py files and some .py.bak files. I want to delete the .py files and restore the backup file renaming them *.py. Is there a shell script that can do this? ...
3
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4answers
301 views

Backup script permission issue

I have a server with a user named deploy-user and have written a backup script to backup a number of websites associated with this user. However one of the sites I'm trying to backup has a directory ...
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35 views

How to shard file into n-out-of-m redundancy (kind of reed solomon)?

How to shard file file into m files, so it can be recovered with any n of them ? It's like Reed-Solomon error correction (sth more flexible than RAID6) style of redundancy. Early findings: I've ...
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41 views

Speed up / avoid calculation of rsync file lists

I use rsync 3.1.1 to keep in sync two discs, one of which is on the network and mounted as a samba share on /mnt/ROUTER_WD_2TB/. This is the source, with a speed of 30-40MB/s maximum due to network ...
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12 views

Looking for a way to backup/mirror a drive by swapping

I want to duplicate a drive. I am unable to hook up both the old and new drive at the same time (the old powerbrick died; so I have one powerbrick to swap between two drives). In years and years ...
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258 views

sync two zip archives (with minimal I/O)?

zip itself can freshen an archive to reflect the current filesystem (e.g. -FS). It only updates zip entries with outdated timestamps. Is there a tool that updates a 2.zip file so that it becomes ...
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81 views

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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352 views

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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65 views

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 ...
3
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2answers
118 views

Make Tar Incremental Backups into One Backup?

Well, I know this question is quite strange. I have done a lot of incremental backups. Now the total file size gets too large, because there are a lot of duplicate files with similar contents, and ...
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140 views

How to create an installable liveCD backup of my system (keep all installed packages but not home directories)

What tool should be used to do this? I have taken a look a remastersys but the image it generated wasn't installable. (I could just boot it, and login, although all my packages were installed). If ...
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156 views

Configuring networked printer to archive print jobs

Our existing infrastructure has a shared printer running on a windows machine. It may be upgraded to a real network tcp/ip based printer in the near future. How can I make it automatically keep a ...
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632 views

How to improve this backup script? [closed]

I wrote this backup script. I run rsync, tar and a dump of mysql. I'd like to add some features like email alert or some kind of statistic. Here is the script: #!/bin/sh DATE=`date +%D-%T` ...
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4answers
399 views

How to restore data atomically on a remote server?

I want to be able to backup and restore my home directory of a remote account. The command I use are: Backup ssh myuser@myuser.server.com "tar jcf - ." > backup.tar.bz2 Restore cat ...
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2answers
151 views

vim: how to trace back all changes done to file during the day

Does anybody know how to setup vim (the text editor) in such a way to make it possible to trace back all the changes done to a file within a day? I need it for the cases when I have accidentially ...
2
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2answers
412 views

How Can I Back Up Win7 Before Installing Mint Alongside It

Don't get me wrong, I understand how to install Mint alongside Win7. However, I am wondering how to backup my Windows installation due to the fact that Win7 was preinstalled on my computer and, as ...
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4answers
3k views

How are filesystem snapshots different from simply making a copy of the files?

by doing this, # btrfs subvolume snapshot /mnt/1 /mnt/1/snapshot # tree /mnt/1 /mnt/1 ├── a ├── snapshot │ ├── a │ └── subv └── subv └── b 3 directories, 3 files We can create snapshot ...
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2answers
1k views

How do I transfer installed packages and settings from one distro to another?

I've been exploring learning and about the Linux system via VirtualBox for a few month's and decided that I want to make it my main OS and install it on my hard-drive. I have a number of files, ...
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3answers
133 views

How to list backup files missing corresponding real files?

I accidentally deleted some files spread across my home directory, but I do not know exactly which ones were removed. How can I get a list of all backup files missing their corresponding file? ...
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2answers
1k views

Basic rsync command for bit-identical copies

As far as I undstand, the following command: sudo rsync --delete -azvr /home/oshiro/Desktop/source/ /home/oshiro/Desktop/destination Is this all I need to create a simple synchronisation of files ...
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2answers
275 views

What don't I need to backup?

I'm trying to do a simple system backup (with cpio or tar), and I was looking for what I need to back up and found this question. The answer was basically, "it depends on what you're running on your ...
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1answer
2k views

Encrypt files using gpg (and them symetric encrypting the key) - is it a normal thing to do in the *nix world?

I read a lot of articles about using gpg to encrypt email, but I would like to use it to encrypt some files - mainly a bunch of *.isos. I'm going to describe what I thought I would do, so you can ...
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235 views

Any reason not to use LUKS on a backup drive?

I have my hard disk encrypted with LUKS, but I make regular backups to an unencrypted external harddrive. Is there any reason I shouldn't setup LUKS on my backup drive as well? Obviously, the big ...
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3answers
955 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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1k views

Cancel and resume a duplicity backup

Is there a way to cancel duplicity (running over rsync and symmetric gpg encryption) without messing up the running backup and resume it later (for example after rebooting the laptop) without ...
2
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1answer
304 views

Backing Up to a Compressed Archive on Linux

How would you go about backing up just some files and subdirectories of a given directory to a compressed archive so that the tree structure could then easily be recreated from that archive. ...
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3answers
5k views

Where, in automysqlbackup, do I add mysqldump parameters?

How to stop automysqlbackup's cron.daily script -- as installed and configured from apt-get install automysqlbackup -- throwing the following error: mysqldump: Got error: 1142: SELECT,LOCK TABL ...
2
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1answer
687 views

how to copy or backup files ignoring dot files

I want to back-up all files from my laptop partitions to external HDD. I ran, for example cp -a /med*/ravb*/*00 /med*/ravb*/M*L*/7.3GB_CP && echo "7.3GB BACKED UP PROPERLY" || echo "7.3GB ...
2
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1answer
52 views

Where does dd start when copying a partition?

I'm copying an entire HDD using the dd tool, and I'm considering stopping part of the backup due to space limitations. Does the dd tool begin at the front of a partition when copying? The first ~90 ...
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2k views

Best solution advice for backup to NAS over WAN

What is the best solution for daily backup of Linux folder to NAS server over WAN? Here is the situation: My customer has expressed a wish that source code for his project must be backed up every day ...
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1answer
3k 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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2answers
153 views

Backing up a partition: doesn't reflect the status properly

With an intent to check how backing up files/filesystems works, I created 3 part itions sda9, sda10 and sda11. Please see the structure below. (Please ignore sda10 for now as I have already run ...
2
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1answer
1k views

crashplan desktop alternative?

Is there a good alternative (free software) for Crashplan for UNIX desktops? There is a plethora of backup systems out there, but there doesn't seem to be one that rivals with Crashplan. The ...
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2answers
153 views

Do files not copied matter when using rsync?

I have used rsync to back up my / directory to an external hard drive, using this command in user (not su) mode (about 200,000 files copied in one hour and forty minutes) and it seemed to finish ...
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2answers
184 views

Completely Backing Up Linux Installation

I come from Windows, and I've been getting into Linux a little bit lately. Trying to make that my default OS for now. I've wanted to try out a couple different flavors of Linux. I spent probably a ...
2
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1answer
38 views

Taking and restoring an image of partition with dd

I created a new partition on my server /dev/sda4 with a filesystem based on ext3. I mounted the new partition /dev/sda4 on /mnt/sda4/ and created an image with dd of the partition /dev/sda3. sda3 is ...
2
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1answer
148 views

How to backup readable but not writable files using rsync?

I am using rsync to backup some folders in my home directory to a remote server using the following commands: cd rsync -Favz --inplace --delete --delete-excluded folder1 folder2 folder3 ...
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1answer
247 views

Time Machine with GUI for Linux Mint for newbie

I try to find Time Machine for Linux Mint which has GUI and is easy to use for Linux newbie. Similar features which Macintosh Time Machine has. Backups entire boot drive hourly.
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1answer
194 views

How to split file and save parts to multiple locations?

How do I split a large file into multiple smaller chunks and write each part of it into separate locations? split command seems to only output all the files into one location. The context I need to ...
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2answers
211 views

How to keep a history of backups?

My intention is to create a "snapshot" of a certain hard drive on a server every day. How can I automatically make sure that the snapshot of today, three days ago, five days ago, 10 days ago (and so ...
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2answers
1k 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 ...
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2answers
2k 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 ...
2
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1answer
359 views

Reinstalling Ubuntu: Shall I back-up dot files from my home directory?

I'm removing my Ubuntu 13.04 as I'm reinstalling latest version. So, I have taken back up of my home partition using tar. The back-up includes hidden files (dot files) like below: $ tar -tvf ...
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190 views

Is it possible to generate a separate file list when creating a tarball?

When using tar for backups I'd like to create a separate list of the files that is included in the archive for storing alongside the backup tarball. I also want to be able to store the error messages ...
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2answers
44 views

Find: who write backups

I have some daemon which writes Mongo and MySQL backups to the directory /opt/BACKUP, but I dont know - what kind of daemon, when it works and where i can find its settings? These files are in the ...
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1answer
62 views

Compare a filesystem to a dump

Is there a way to compare the current state of the filesystem to that stored in a backup created by dump? I recently had some major corruption in the filesystem and my most recent backup is from ...
2
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1answer
446 views

etckeeper for opensuse - bash script install and configure

I want to automate the installation of etckeeper on OpenSuse 12.3. My first issue is that etckeeper doesn't seem to be available in the standard OpenSuse repos. zypper search etckeeper Loading ...
2
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1answer
539 views

`mv` has failed because of insufficient disk space, what now?

I have tried to move a folder A from partition a to partition b as folder B with mv. Now the target file system was not big enough for all the data (I know I should have checked this first). Anyway, ...
2
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1answer
51 views

Is there a way for a dd of a 80 GB hard drive to be minimal in size?

For backup reasons I need to use dd to copy a whole hard drive (including MBR, partitions,...). The hard drive is 80 GB in size where only 1.8 GB are used. The command I'm using is the following: dd ...