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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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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3answers
570 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 ...
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2answers
75 views

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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1answer
20 views

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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1answer
33 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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2answers
174 views

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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1answer
54 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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2answers
45 views

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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3answers
67 views

“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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1answer
28 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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1answer
53 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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4answers
56 views

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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1answer
47 views

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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1answer
45 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 ...
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26 views

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 ...
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1answer
81 views

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
57 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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1answer
28 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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2answers
25 views

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 ...
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1answer
26 views

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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4answers
180 views

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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1answer
35 views

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? ...
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1answer
63 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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1answer
28 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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28 views

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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104 views

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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1answer
285 views

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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28 views

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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1answer
36 views

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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1answer
33 views

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, ...
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24 views

Linux Image backup solutions

I want image backup solution for my three hp integrity rx2620 servers linux 4.0 based OS. Presently I am using storix network administrator v6.0. But i want individual independent backup solution.
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3answers
48 views

Is it possible to keep files on a disk partition without an OS?

I want to switch from Linux Mint to Musix. I want to backup my files and copy them after installation, but I was unable to do this because my only external medium for storage is an 8 Gb USB stick. ...
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2answers
79 views

How to check if directory is mounted on disc X and mount it if it isn't

I'm trying to write script to back my data up. I don't know much about it, so I might take a wrong approach, but what I'm trying to do is use rsync -avh several times for each directory I want to back ...
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1answer
30 views

How do I only copy files from one drive to another if the files I want aren't currently there?

I'm sorry if the title sounds a bit weird. Basically, I have a directory with a lot of images in it. I have a flash drive where I also have many of the same pictures. But let's say that I updated my ...
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87 views

Restore errors: “bad header/extent: invalid magic - magic 1701”

I'm testing these instructions to restore a backup image to an Intel Edison from a previous .img image. The backup line was: dd if=/dev/mmcblk0 of=sd/ubilinux_image.img I removed a file (to see if ...
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45 views

ZFS Snapshots and low space on zpool

I am trying to backup every hour my zvols. I am using zfs for virtual servers on Proxmox VE. I made myself script, which runs snapshot every hour and then send it to offsite backup, then bookmarks ...
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1answer
47 views

how do i make a script to generate a gpg backup saver?

Im making a little backup script that includes the function to encrypt the backup. The script runs automaticly with a cronjob. So the password for gpg is in a File. Its just a textfile. How can i ...
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2answers
71 views

Automatic and secure file transfer over two servers

the problem is how to automatically transfer backups from server A to server B in the best possible way in terms of security? Here is what comes to my mind: authorize server A pub key to access ...
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1answer
33 views

How to backup /user/home with some requirements?

I'm currently studying scripting and I need to create an script to back up the /user/home using .bz2 compression. My teacher wants the person running the script to select the user to backup and the ...
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32 views

ARJ under GNU/Linux

I'm using ARJ compressor under GNU/Linux system to backup mostly FS with a size of 600 GBs aprox., and very large number of files. I'm not using compression, only store with split of 50GB volumes. ...
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1answer
24 views

Script for backup each DB on server but omit system databases

I have read a lot of post around this topic but I didn't found the one to fit my needs. So, basically I want to make two backups: one at mid day (12 PM) and the other at midnight (12 AM) for each ...
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2answers
96 views

Random files selector in filesystem

Context : In order to test some backup process which are supposed to work all nights, i want to select a random files on a large amount of datas. (Around 7 millions of files. This is a NFS server with ...
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46 views

Extract and backup Springseed notes

So i have installed springseed on a linux system and I was wondering if it is possible to extract the notes i am making in the program so I can backup the notes and not have to do it in dropbox.
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117 views

how do you back up files with a time stamp

How do you create a script to backup all log files (assume multiple files) into a directory called Backup/Logs ? The backup file must be date and time stamped. The backup must be compressed. The ...
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1answer
90 views

how to do version-specific backup/restore of Debian packages?

summary Note version-specific in the question title! This question is not, how to On one Debian host, capture a list of all installed packages. On another Debian host, install the latest versions ...
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24 views

Physical Backup of Maria DB as a snapshot using LVM

I have a SQL database which I want to backup as a snapshot. I want to use LVM to do so, but I am not able to do it. Also my database is not stored in a LVM partition but its located in my /dev/sda2 ...
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1answer
27 views

What happens if rsync is scheduled to do backup, but remote location is unavailable?

I'm thinking of creating a sync/backup routine with rsync for some crucial files between my Desktop computer and Laptop. The point is not to use a Cloud service. I would set up an automated schedule ...
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5answers
1k views

rsync keeps disconnecting: broken pipe

I'm using rsync to backup my home directory. This has been working fine for a long time now. Here's the command I'm using: rsync \ -pavz \ --delete \ --exclude 'mnt/' \ --exclude ...
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2answers
337 views

What's the differernce between differential and incremental backup in terms of rsync command?

I use the following rsync command to backup my local folder ~/dir1 to a remote backup server: rsync -a ~/dir1 username@remote_host:destination_directory As per my understanding it's incremental ...