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 do backups that use LVM work?

Some LVM tutorials seem to claim that one take a snapshot of a logical volume (LV), then backup the snapshot using another tool, then remove the snapshot. When the unspeakable happens, the user can ...
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Backup using rsnapshot not working

I have a server web based Linux and i want to make backup every hour using rsnapshot. this is my rsnapshot file configuration : config_version 1.2 snapshot_root /var/Majjane-Save/ cmd_cp ...
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rsnapshot backup not working?

I installed rsnapshot and configured it to make backup every hour. But the issue is all backups that are made not working. Let me explain to you, I made 3 backups hourly.0, hourly.1 and hourly.2. ...
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What happens if I move the hard drives used by Rsync to another computer, and keep syncing them with it?

I realise the question is confusing, so allow me to elaborate. I apologise for the phrasing, as I wasn't sure how to put it. Here's the scenario: As my backup, currently my Mac launches Rsync every ...
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106 views

Can set up a cron job to copy my server to Amazon S3

I have an Ubuntu 12.04 install on physical hardware. I will then install Geonode on it. The system will be running at a place with variable network capacity. My colleagues will add data and should ...
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Backup server with tar, encrypt and directly transfer the result, AFTER BUFFERING IT

So I've been investigative how to make full backups with tar, and I found that tar is a good tool if the backup is to be made once, and if the server has enough disk space to handle the output file. ...
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What folders do I leave out when trying to setup a backup for a Raspbian (Debian) install on a Raspberry Pi 2? [duplicate]

More specifically I'm going either with rSync or something similar to backup the root of the file system to another computer remotely. What do I leave out?
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61 views

Copy a rolling “last 2 months” of files

I have a friend who is a photographer and she has a lot of large files as a result. Our current solution is where some files are delivered to my house. I don't have the storage capability to store all ...
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31 views

How to omit directory from backup

I am trying to edit a backup script so it will work for me. My issue is that if I set the directory path I wish to backup, then it would also backup the directory containing the backups :) The ...
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59 views

Backing up/restoring a full VPS, can't boot from live media

(My question here is specifically about Ubuntu, but I'm posting it on Unix & Linux because I think the answer will apply to Linux in general. I'm more than happy to reformat the question or move ...
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53 views

What is an adequate backup strategy for Debian system with a simple database? [closed]

I would like to know a suitable backup strategy for a small business running a simple database. The whole system operates from a single local computer with one internal hard disk. I have already ...
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Can a linux filesystem be backed up by copying the file structure tree only?

This might be considered to be more of an academic question but here goes. Returning to Linux after some years away, I installed Ubuntu 15.04 Desktop on a small PC. Looking around the file system ...
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make_tape_recovery: is possible to do the same on linux?

On hpux,i use a fantastic tool from ignite-ux make_tape_recovery -x inc_entire=vg00 -A -v -m pax -E With this i make and image on tape,and even if VG00 is corrupted and or unavaliable,or something ...
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60 views

configuring rsync for incremental backup and recovery

The setup is a NAS box on a lan mounted as NFS and the source is a laptop running an old kubuntu 10.4. Rsync has to be run as a local file copy, NAS box doesn't support an rsync daemon. How do I ...
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87 views

Deleting partitions without losing data

Case 1: Let's say I mount /dev/sda3 /var and this entry is not in /etc/fstab. After unmounting /var, if /dev/sda3 is an unused partition (no entries in the fstab), if I delete it I will not lose any ...
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Difference between fsarchiver and dump

What is the difference between dump and fsarchiver? Are there features in dump which are not covered by fsarchiver? Can both backup to tape storage for example?
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86 views

Schedule backup with notification?

To avoid editing files at the same time of backup scheduled by cron, I figure out a way: Before backup, send a desktop notification such as notify-send -t 0 "Ready for backup", to let me prepare ...
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editing files at the same time when cron automatically runs backup

I heard that it is a good idea to schedule backup in crontab file. I also head that it is bad to edit files while they are backed up. It may happen that cron stats to backup a directory while I am ...
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108 views

Logrotate archive old log files which has date extention

Everyday a log file is created in my directory. But with time, there tend to be a lot of log files. I want to keep the latest 4 log files in .log format, and compress the rest and copy the compressed ...
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What can I do with btrfs “profiles”?

Reading through the btrfs (sub) command documentation, it can "balance only block groups with the given replication profiles", and "convert selected blocks to a given profile", and apparently it ...
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35 views

Automatic sync/backup that adds files to hard disk and keeps when removed

I know there are a few sync tools available in linux (I use openSuse OS btw), but I think they all do a pure "sync" and I am looking more for a backup function which is not synced (I could be ...
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1answer
86 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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77 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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Tar corrupting file attributes and skipping directories

While creating tar archives for backup purposes with 'large' numbers of files (200+), I have been repeatedly running into the following errors: tar: some/path/file.xyz: Cannot stat: Invalid argument ...
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Formatting btrfs for robust metadata

If I make three partitions on a HDD, it appears that the default (which is -m raid1) will only store two copies of each metadata block. Is there a way to store multiple copies, e.g. one on each ...
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13 views

sync source A into destination B

I want to create a perfect copy of A in B. I'm using this command, but is working good only on same existing folders rsync -h --progress --stats -r -tgo -p -l -D --delete /A /B if folder x exists ...
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21 views

Verify par2 on different media?

Is there an easy way to point to a par2 index file in one place and have it use a different base directory for the files to verify? Here's what I'm up to: I copy a bunch of stuff to backup media. ...
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149 views

How to move mysql database and mysql server to another machine

I am having Ubuntu 14.04 desktop in which i develop software. Due to some reasons my hard disk has developed many bad sectors. I want to move my mysql server software and all the databases to a new ...
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1answer
607 views

Interacting with Tape Library on CentOS 7 via mtx

I have a Quantum SuperLoader 3 plugged in via SAS to a CentOS 7 system. It shows in dmesg and lsscsi and is handled by the ch driver. $ lsscsi [0:2:0:0] disk LSI MR9271-8i 3.24 ...
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Backup of a NAS

I have a NAS that is used to store data from our LAN. For many years I've relied on tar or cpio to back up selected directories to tape. When I backup complete partitions or disks on the various ...
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279 views

Backup And Restore Shell Script

I have been trying to create a script that backups up a certain directory and then restores the directory. The backup works as it should but when I try run the restore function I get the following ...
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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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backup without closing programs that are opening files for editing, and detect unsaved open files?

Is it possible to do backup without closing programs that are opening files for editing? I would like to do backup without closing programs that are opening files that I am reading or writing. I ...
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What is advantage of backing up a filesystem by version control software?

Version control software seems to be used for backing up project mostly in plain text files. For backing up a file system, with large amount of files or large size, regular file copying/transferring ...
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2answers
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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 ...
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rsync question about a directory

I went ahead and used rsync to back up a root directory called /files my exact commands werersync -avzh /files willc66@server.com:/backup, inside my /files directory I had 2 sub directories home and ...
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How to split existing mailboxes based on date with procmail

I have huge mailboxes I would like to manage based on the age of their content: backup, archival or removal. I would like to split these mailboxes along the date of their contained messages. For a ...
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1answer
26 views

Moving Application Configurations to Separate Partition

So by default, most services install their configuration files to /etc/<application>. On my physical systems, I'm using LVM for volume management, and specifically so I can rollback snapshots ...
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Help checking the integrity of TAR files for backup

I want make a backup of my Home directory and I've read a good method is to use the tar tool, and I think it suits me well since all I need to do is create a .tar of every folder in the Home directory ...
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Standards for dealing with older/previous “.bak” backup of config file before new edit

Assume I have a config file "foo.conf." This file is rarely edited. At some point in the BeforeTime(tm) it was edited and "foo.conf.bak" was created to save the previous state. Now, I want to make ...
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An incremental or another full backup? [closed]

After using rsync to backup a file system, if there has been dramatic change in the file system since the last backup, is it still good to do an incremental backup? Is there a rule of thumb about how ...
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30 views

Storing documents and backups on several different drives

Currently I have Ubuntu installed on a 120GB SSD. However I also have 3 more hard drives installed on the computer, 2 x 640GB in aRAID array and a 60GB SSD. What I am trying to achieve is to use the ...
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23 views

Software to do a 3 way backup

I am currently doing a backup of my system on an external hard disk using rdiff-backup. This kind of backup is good when the disk dies. However, I was also wondering if I can extend this method to do ...
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1answer
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rsync: delete some files in destination not in source but not delete others

Given two directories /.../src and /.../des, they share some subdirectories share1 and share2 des also has a subdirectory named des1 which doesn't exist in src. How can I perform file transfer ...
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27 views

Backing up data to two drives

I am currently working on backing up an inactive users data from a server. The data is roughly 7tb. For the backup task, I have two four TB drives. So what is a reasonable way to move the data into ...
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2answers
103 views

Rsync: Verify size of incremental backup of a file

I need to test the incremental backup of a file using rsync i.e. whether rsync transfers entire file or just the changes made to it, when an incremental backup is fired. Just for a test, I've created ...
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Is there a way to backup and restore ACL file and folder permissions on linux the way that there is using icacls in Windows? [duplicate]

In Windows you can do this (backup and restore ACL permissions) can you do this in Linux? And to clarify, I mean ACLs in Linux, I do not mean the default permissions modified with chmod / chown.
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Back up and restore file permissions

Is there a way to back up and restore file ownership and permissions (the things that can be changed with chown and chmod)? You can do this in Windows using icacls. What about access control lists?
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What is the proper bash method of prompting the user for administrative password before backing up the usb data to the computer?

mate-terminal --window-with-profile=PROFILENAME="Hold the terminal open" -e "sudo rsync -azvu --log-file=/var/log/simplebackup.log --append-verify --exclude '.gvfs' /media/user/usb/ ...
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How to make a backup of the data in my Laptop? [duplicate]

I would like to make a backup of all the data in my Fedora Laptop (Pictures, Music, Videos, Documents, etc.) in an external hard drive. Basically I need to know two things: A good software to do ...