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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How to configure gpg-agent to work correctly with obnam?

I'm trying to set up the de-duplicating backup program obnam so that it backups encrypted chunks on a remote server (raspberry pi B3 through ssh with USB hard drive) but can't get it even starting to ...
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38 views

Corrupted netatalk time machine drive

I wasn't sure, whether it fits this section. If not, please let me know by commenting and I will move it to other, more suitable section. My home nas, which is running debian jessie, is configured to ...
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55 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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swap goes the second drive, how can I return it to normal from command line?

The following is my plan for partition of CentOS 6.7. I have two disks with A for system and files, B totally for backup. But, after installation, I log in using ssh root. Here is what I see: (...
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43 views

How to set up permissions on external hard drive in order to use it to backup using rsync?

So I have recently installed arch linux, and I was looking into a good way to back up my data. Looking at the wiki, I decided I followed this gude: https://wiki.archlinux.org/index.php/...
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Back In Time does not show (encrypted) snapshots on new machine

I'm using Back In Time 1.1.12 in elementary 0.3.2 (based on Ubuntu 14.04) to backup my home folder to an external hard drive. Seemed to work fine so far. Now I've bought a new computer and installed ...
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34 views

Backup mysql database via sftp

I have recently messed up my debian server and I have only sftp access for my files. I rescue almost everything except of my database. I have no longer direct ssh access, other than in rescue mode, ...
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29 views

prevent backup from running in parallel

In my script /usr/local/bin/backup, that I call every hour from /etc/crontab, I use rsync to copy data to an off-site server. That all worked fine, even in cases where we had somewhat more new data ...
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22 views

backup from server to computer (SSH)

First of all I am newbie at SSH. Could you tell me, how can I backup files from remote server to computer storage disk? I use Windows and program PuTTy to connect to server through ssh. Can you write ...
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40 views

How to reset a corrupted backuped file with Duplicity?

When a Duplicity incremental backup is interrupted, some backup files may be corrupted, and cannot be recovered later on (even if new incremental backups are done after the interrupted one). Those ...
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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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44 views

What should I backup?

I have backups from a couple of old desktop/laptop installation - most of which do not exist anymore. Which of the following folders or files can I savely remove because I will never need them anymore:...
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76 views

Restore Back In Time From Ubuntu To Debian

I used Back In Time (BIT) to back up my data to an external USB drive on Ubuntu 12.04. After problems with Ubuntu I made a fresh install of Debian 8.3. In Debian I have installed BIT and can see the ...
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22 views

how to mirror a samba folder into an ext4 folder via rsync?

I have a FreeBSD file server and I also have just setup a xUbuntu 15.10 desktop. The desktop was previously running OS X but I backed up my files to the FreeBSD server before installing xUbuntu. ...
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44 views

Multiple Ubuntu Server Backups

I am soon to be dealing with multiple Ubuntu 14.04 Server Installations, none of which I will have physical access to. Some will be Digital Ocean Droplets, and some Mini-Server builds. I will have ...
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32 views

Backup remote data as root

I want to backup all data from a server before I do an Upgrade (Debian). Due to the fact, that there are many user accounts on the server, I thought I just copy all data with scp (scp -r * user@backup-...
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31 views

Fedora 22 recovery by package re-install

In case of hard disk failure, I want my recovery to (ideally) re-create the pre-hard-disk-crash environment. After researching backup strategies for my Fedora 22 home pc, I've decided to only use ...
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112 views

File System Permissions: User who can backup all files

I am setting up an automated backup job for some computers on my network. There is a server that will, daily, run an rsync command to backup each of the other computers. I'd like the user that the ...
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51 views

Fresh Debian install. What files do I restore from a backup?

I just installed Debian 8.2 Jessie fresh on a new machine. I ran tar -zxvpf myBackup.tar.gz to extract folders from a backup from my old machine, which also ran Debian 8.2 Jessie. The folders I ...
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41 views

Btrfs - Using Flash Drive as Backup/Snapshot Location

I am working on a project where I have a small MiniITX PC running Debian Jessie (8.3) When I installed the OS initially: I chose the filesystem as btrfs. I am not using LVM or any extra partitions ...
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592 views

How to back-up one big file with small changes?

If a set of files (several GBs big each) and each changes slightly every day (at random places, not only information appended at the end), how can it be copied efficiently? I mean, in the sense that ...
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28 views

Mount directory elsewhere with different permissions [duplicate]

I would like to be able to mount a directory (i.e. /home/user1) to a different location on the same disk (i.e. /mnt/user1_home), but with different permissions so that the mount point (/mnt/user1_home)...
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Is there any way to fully encrypt my hard-drive AFTER an installation of Linux Mint?

I'm askin myself, is there any software who can encrypt my whole hard drive with Linux Mint 17.3 on it AFTER the installation? Like TrueCrypt for Windows?! If not and I've to reinstall everthing is ...
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Fedora 22 rsync on root vs package reinstall

I know that backup issues are heavily queried, but I am looking for problems that experienced Linux users have encountered, re the 3 issues shown below. Unfortunately, these (long winded) issues ...
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35 views

What is the switch or option of rsync command inorder to skip the backup of corrupt files? [closed]

What is the switch or option of rsync command inorder to skip the backup of corrupt files so that it does not overwrite good files?
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Mitigating Cryptolocker grip on shared SAMBA server

I have a client who was recently hit with a very new variant of Cryptolocker. Unfortunately the user who got hit had a high level of access to the system. Apparently there is no educating some ...
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64 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 ...
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Change owner for backup file generated by backupninja

I'm using BackupNinja on Raspbian Jessie Lite to create a scheduled backup of my SD. The backup job is configured as a simple TAR file backup. The default permissions on the generated backup files ...
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“write-once archive”: ext2 vs ext4^has_journal vs

summary Suppose one is setting up an external drive to be a "write-once archive": one intends to reformat it, copy some files that will (hopefully) never be updated, then set it aside until I need to ...
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31 views

rsnapshot default root directory seems wrong

I'm running openSuse 13.2. In the config file, /etc/rsnapshot.conf.default, there is the following entry: snapshot_root /.snapshots/ rsnapshot has never been run. Yet in /.snapshots there are a ...
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55 views

How to “Find” then “Rsync” then “Tar/gz” on destination host?

I have a Cassandra node with snapshots broken up into 64 directories with over 350 files per directory. I want to "find" all snapshot files, preserve their location, rsync them across to a host with ...
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File permissions on data backups

After making a rm related mistake on some of my files (which was fine because I have backups), I started thinking on how I could limit myself to making such mistakes. I have not done anything with ...
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Backup a 50Megbyte ubuntu linux subdirectory tree to a LG Ultra Slim Portable DVD Writer

I would like to backup my 50 megabyte home directory /home/frankc on my Ubuntu Linux 14.04 LTS desktop Lenovo computer using a LG Ultra Slim Portable DVD Writer. The directions for the LG Ultra Slim ...
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51 views

TSM refusing to back up subdirectories on one partition but not others

I'm having the problem where TSM refuses to recurse into subdirectories on my / partition. This does not apply to my other partitions, where it does recurse. This is independent of my include/exclude-...
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Back up script causing issues

I've got this backup script I'm trying to use and I'm having issues with it. #Setup Variables DOMAIN=domainexample.com FILENAME=${DOMAIN}.$(date +%Y%m%d) DBSERVER=localhost DATABASE=databasename USER=...
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Can't fix my boot partition — can I restore Ubuntu from a copy (not properly imaged) of my partition?

On my old Ubuntu system (the one I'm trying to restore to) I had a boot partition /dev/sda1, my main OS partition /dev/sda2, and a swap partition /dev/sda3. I mistakenly formatted over /dev/sda1 ...
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1answer
63 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 ...
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29 views

Speed up backup in case where a partition has lots of free space

I'm trying to make a backup of a block device (Raspberry Pi sd card) using dd. Command used: sudo dd if=/dev/sdb of=rpi-backup-image bs=4MB where /dev/sdb is the unmounted RPi sd card. The amount ...
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Does the untarred folder overwrites or appends the contents of the original folder? [duplicate]

I have a x.tar.gz as a backup which has the following contents: .htaccess a.html b.html c.html x.html I have also a ./x directory, already existing, which has the following contents: .htaccess a....
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Not able to see the backed up file in the backed up media

I used 2 commands cpio and tar to perform the same operation of backing up data to an external drive which is my 8Gb pen drive (sandisk brand). At the time of executing the commands, it outputs ...
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MBR size is 440 bytes or 512 bytes

I remembered reading one question how would you back up the MBR of a disk. Two of the choices are dd if=/dev/sda of=/dev/sdb bs=512 count=1 dd if=/dev/sda of=/dev/sdb bs=440 count=1 and the ...
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rsync backup not creating any files

I am trying to run rsync to back up my file system to an external flash drive. It finishes almost immediately, and no files are present on the flash drive when I view it. What am I doing wrong? king@...
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1answer
74 views

Secure way to back up systemd logs

I have arch linux installed on a raspberry pi and want to start backing up my logs regularly to some external write-once media. It'll probably be a CD, but I'm not sure yet, and it will probably ...
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30 views

How can I backup all my software in files to reinstall on another Linux system?

Is there a way to backup all my programs, software, maybe even libraries and their data on a Linux system like it is for apps and their data on rooted Android with TitaniumBackup? I'd like to backup ...
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Deja Dup restore overwrites original file dates?

Deja Dup restored data but all files are erroneously marked created today. Any way to restore files with original creation dates? Thanks!
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Copy remote btrfs incremental snapshot to new drive w/ UUID

Situation: Two machines (A & B, with local drives dA & dB) connected via slow network. Drive dA has initial backup to dB, while locally attached on machine A. btrfs send RO-snapshot-1-dA | ...
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Does rsync delete files on the destination that were deleted from the sending side?

Does rsync delete files from the destination if they were deleted from the source? For example, say in the source /home/me I have three files: a.txt b.txt c.txt Now, I run the command rsync -v /...
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Bulk Email backup

My e-mail server is hosted on AWS. It is running fine but every month I 'm getting more than 8GB of e-mails in my first account. I cannot delete any of the e-mails as my team need to refer back to the ...
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A open source and easy-to-use solution to Symantec Backup Exec

i need a open source and easy-to-use solution to replace Symantec Backup Exec. Basically i only make tape-based backups in a Powervault TL2000
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Compare two files, while overriding second file's size

I am trying to verify a backup that I made using the following command: dd if=/dev/sda of=/dev/sdc2 I backed up the contents of /dev/sda (internal hard drive) to /dev/sdc2 (external backup drive, ...