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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3
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84 views

du --exclude directories - is this possible?

How to calculate disk usage of a file tree but excluding directories. I'd like to have something like: du --exclude type d I use rsync to mirror/backup part of my home dir and I want to double ...
1
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1answer
43 views

How to backup files in multiple directories with git?

The example below is simplified to show the core of the problem, not the problem itself(my file tree is more complicated than that). Let's say that I have two files I want to back up; one in ~/...
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0answers
21 views

How to reconfigure grub on a backed up arch linux on a USB flash disk

i managed to back up my arch linux suing rsync : # rsync -aAXv --exclude={"/dev/*","/proc/*","/sys/*","/tmp/*","/run/*","/mnt/*","/media/*","/lost+found"} / /run/media/username/archlinux edited ...
1
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0answers
44 views

systemd timer running rsync at 3am and stopping at 6am

How to make a systemd .timer , that starts rsync A U@H:B at 3am and stops (e.g. kill -TERM) at 6am on weekdays ? Do I have to make one that starts at 3am, and second that runs kill at 6am and for ...
1
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1answer
83 views

lftp mirror local directory to remote ftp server without deleting remote files which are missing locally

I have the following command: lftp -e 'mirror -R /local/backups /' -u username,password ftp://FTP_SERVER this works fine, until I started cleaning the /local/backups folder. I'd like to upload new ...
4
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0answers
56 views

How to shard file into n-out-of-m redundancy (erasure code e.g. kind of reed solomon)?

How to shard file file into m files, so it can be recovered with any n of them ? It look like Erasure Code, preferably "optimal erasure codes". (Example of another application and proposed ...
1
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3answers
95 views

Git Backup /home with other repos inside it

I'm trying to make an automated backup of my /home directory. In theory this is simple by running this in a cronjob: cd /home git add . git commit -m "nightly backup" git push where push will push ...
2
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0answers
62 views

backup and restore whole disk

I am using iMac, with GPT and Hybrid MBR partition table. the GPT layout is: EFI partition.(FAT32) Windows 7 partition.(NTFS) MacOS partition.(HFS+) Linux.(ext4) data.(exfat) the hybrid MBR is ...
1
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1answer
34 views

How to force low ssh-encryption

I regulary backup my computer to my BananaPi with a Hard Disk connected. The Problem is, that the transfer speed over ssh is pretty low because the Pi can't handle AES 256 encryption quick enough. ...
0
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1answer
16 views

Arch linux; changing fstab for bootable backups

I am trying to setup a fully bootable Arch backup by following https://wiki.archlinux.org/index.php/full_system_backup_with_rsync I am having a little trouble understanding the example "Update the ...
1
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1answer
106 views

Allow the restricted rsync (rrsync) script for arbitrary directories with authorized_keys

Automating Backups I would like to implement a backup solution with copies data from various directories from a Web server (WebServer) to a local backup server (BackupServer). The backup should run ...
1
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2answers
57 views

Backup with rsnapshot only if there are changes

I use rsnapshot to make regular backups of my systems' filesystems to a remote server. (For those familiar with rsync but less used to rsnapshot here is a brief introduction to its workings. A backup ...
1
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1answer
44 views

Fast filesystem for virtual backup environments

I know filesystem supporters war is behind the corner and there are plenty of fine tuning guide for each filesystem in the wild, so please stick to the specifications: I'm asking what would you ...
1
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0answers
55 views

Does a file move operation over SAMBA preserve the inode number?

If I have a directory exposed over a SAMBA share and a user, from either a Linux or Windows system, moves a file from one place to another on that share, does SAMBA know to ask the operating system ...
0
votes
1answer
36 views

How can I make a full backup of a hosted Linux server

I want to rent a sever at Vultr for some sever side programming using Mono. I'm quite new to Linux. Despite knowing that Hosting companies care about server security I want to make sure to be able to ...
1
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0answers
33 views

Is there a way to interleave two filesystems of the same structure?

I have a large networked file system whose backup routine sees some file systems as higher priority than others and are given more redundancy with backups. At present those file systems are visible as ...
0
votes
1answer
45 views

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 ...
0
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0answers
41 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 ...
3
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0answers
65 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 ...
0
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0answers
24 views

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: (...
1
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1answer
47 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/...
0
votes
1answer
47 views

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 ...
0
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1answer
40 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, ...
5
votes
1answer
38 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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votes
1answer
26 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 ...
0
votes
1answer
54 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 ...
4
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0answers
17 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 ...
0
votes
1answer
45 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:...
1
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1answer
97 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 ...
0
votes
1answer
26 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. ...
0
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0answers
54 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 ...
0
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2answers
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-...
0
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0answers
36 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 ...
1
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3answers
140 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 ...
0
votes
1answer
57 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 ...
1
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0answers
56 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 ...
8
votes
3answers
651 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 ...
0
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0answers
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)...
2
votes
2answers
128 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 ...
-1
votes
1answer
27 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 ...
0
votes
1answer
38 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?
0
votes
2answers
238 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 ...
2
votes
1answer
78 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
votes
2answers
60 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 ...
3
votes
3answers
98 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 ...
1
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1answer
39 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 ...
0
votes
1answer
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 ...
1
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4answers
57 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 ...
0
votes
1answer
51 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 ...
1
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1answer
58 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-...