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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Shell script runs differently when schedulled with cron

I have a strange problem with my backup script. To begin with, this is the backup script: ########################################################### # CODE BEGINS HERE ...
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1answer
55 views

Making an exact copy of a Windows instalation

My goal is pretty simple: I need to make an exact copy of a windows partition. Then I can wipe it down, play with it and when I'm done, I can re-copy the partition back and have everything back in ...
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2answers
11k views

rsync gives “chown <…> failed: Invalid argument (22)” with nfs share

I'm trying to back up my entire system to an external disk using rsync, via a shell script which is run as root: #!/bin/bash rsync -vSHPhhaX --numeric-ids --delete ...
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0answers
498 views

Can I restore a single partition from a Clonezilla disk image?

I was thinking of performing a Clonezilla backup and was wondering what backup mode to choose. Generally speaking, Clonezilla offers the following backup options: savedisk: Save a full disk image ...
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0answers
139 views

duplicity: how to create & restore full system backup

I would like to create a full system backup using the duplicity. Accordingly, I created a backup of the root directory /, excluding /proc, /sys, /tmp, and /mnt. However, when trying to restore the ...
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1answer
1k views

Incremental file back up by date

Is there any backup tool that supports partial back up by date? What I mean is that I have some small drives such as on a laptop that can't hold a full copy of all the files on an external 2TB drive. ...
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136 views

Scheduled job to move files from web server to NAS

I have a website hosted on a shared server. Once a week a cron job runs on the web server to tar the www folder and export the MySQL database to a password protected backup folder. I have a Synology ...
2
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1answer
465 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 ...
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2answers
73 views

Download all pages linked on a page in a certain region

I would like to download my users activity page of this Unix&Linux with wget and all pages that are linked in the activity list. I tried wget -m -l 2 which should mirror the site recursively ...
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1answer
204 views

Rsync doesn't skip existing files

I use rsync to backup all the files from a specific folder in a USB drive connected to my Mac (Osx 10.9) to a folder of my home network NAS. The problem is that rsync replace all files and it does not ...
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123 views

OpenLdap - restore backup - slapcat/slapadd

Im using slapcat to make backup like this: slapcat -n 1 > ${BACKUP_PATH}/ldap.domain.com.ldif Then import using slapadd: slapadd -F /etc/ldap/slapd.d -n 1 -l ldap.domain.com.ldif I can't ...
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2answers
88 views

Secure Remote Backups Using Duplicity

The recent take-down of codespaces got me thinking about off-site backup processes (which I currently perform manually with password entry). I have been reading tutorials showing how to automate ...
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1answer
65 views

LVM Snapshot mount read-only or not?

In this page of Linux LVM Howto it's said that "LVM2 creates read/write snapshots by default". In this other page of Red Hat docs it's said that "Because the snapshot is read/write, you can test ...
2
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1answer
40 views

Is it possible and how to merge identical files between different snapshots in a btrfs file system?

I regularly use btrfs's snapshot to backup the whole system, but it's redundant to have identical files between different snapshots. Commonly, for example, I took a snapshot of @ as ...
3
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1answer
326 views

Backing up chroots for host reinstall

I've had my workstation for a couple of years now and its slowly become a complex beast, taking on many roles for my dev and test work. I have done some research and was thinking of setting up some ...
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642 views

How can I migrate a bully (reaver alternative) session from Kali to Ubuntu?

I'm running bully on Kali Linux and this is the output : [!] Received disassociation/deauthentication from the AP [+] Rx( ID ) = 'NoAssoc' Next pin '99728298' [+] Rx( M5 ) = 'Pin1Bad' Next ...
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18 views

Proper file system for an External Hard Drive to work well on Linux [duplicate]

I have a External Hard Drive (EHD) I want to use to backup the data on my Linux laptop. I want to know how I should format my EHD for it to work correctly with Linux. Thanks.
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1answer
72 views

At Backup, when would the filesystems inode numbers matter?

background: Being somewhat of a coward I have up to now dd whole filesystems for backup. Major drawback has become the excessive use of memory for those complete backups (which unfortunatelly also ...
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1answer
150 views

Wildcards in exclude-filelist for duplicity

I am trying to exclude a "bulk" folder in each home directory from the backup. For this purpose, I have a line - /data/home/*/bulk in my exclude-filelist file. However, this doesn't seem to be ...
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3answers
347 views

What should I include and exclude with rsync to back up my system?

I have spent all day experimenting with rsync exclude-from and include-from, no success and completely lost. None of the examples or help I can find answer my exact, but quite simple requirement, and, ...
2
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1answer
80 views

Is archiving the entire filesystem from the root an effective backup strategy?

I am looking at my server through WinSCP and thinking I could tar the lot, save locally, then if starting a fresh identical server later down the line, re-upload and overwrite saving me the initial ...
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4answers
527 views

Multiple Mysql databases backup tool?

My OS is Ubuntu 10.10. I have several small sites (all on various shared hosts) and I'm thinking that it'd be probably good idea to regularly backup mysql databases from these remote shared hosts. I ...
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3answers
724 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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1answer
2k views

How to mount a Clonezilla img to extract files?

I have a large Clonezilla image of a CentOS server that had a 500GB drive partitioned into boot, OS, and data partitions. I would like to mount the backup image so I can extract some files as I no ...
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3answers
57 views

Backup using rsync

Last time I backed up my data by copying and pasting my home directory into my external hard drive. Since then, I have added and deleted files from my home directory. I want to update that directory ...
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2answers
1k views

How to use btrfs send/receive for transmitting backup snapshots over a slow and unreliable network connection?

I'd like to use btrfs' send/receive feature for transmitting backup snapshots over a rather slow (initial seed of about 50-100GB, upstream bandwith ~1-2MBit/s) and unreliable (daily forced ...
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3answers
1k views

rsync: samba vs ftp for backup

I need to back up ~0.5 TB of files (about 600,000 of them) from a Windows Server 2003 machine to a CentOS 6.4 machine across a 100MB network, and update them once a night. The backup script would be ...
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0answers
138 views

Is it possible to save a KDE desktop configuration?

Is it possible to save a desktop configuration while using KDE Plasma Desktop? I mean, I have customized my desktop with a set of plasmoids, each with its own custom settings, and I'd like to save ...
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1answer
104 views

Clonezilla Backup software freezes on boot

I can get as far as the GRUB menu. After that using any of the menu options I get a gray screen saying "Loading please wait..." and a blinking cursor. The cursor disappears after about 1 second and ...
4
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1answer
162 views

How to exclude all files except specific files with Duplicity?

I'm trying to only backup specific files with Duplicity so I first used this command: duplicity /source-path --include "**/*/*.txt" --include "**/*/*.xml" /dest-path However this gives the ...
22
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5answers
17k views

rsync all files of remote machine over SSH without root user?

I have this command to backup a remote machine. The problem is that I need root rights to read and copy all files. I have no root user enabled for security reasons and use sudo the Ubuntu way. Would I ...
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22 views

After restoring a backup my permissions seem to be borked

I made a complete backup of the system with "rsync -aAXv", and set up my encryption. After restoring everything, and booting up and trying to login, openbox didn't want to start, and "startx" didn't ...
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1answer
908 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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1answer
205 views

Would this LUKS LVM rsync restore method work?

I have an Ubuntu installation using LVM and LUKS encryption. LVM and encryption were chosen during the install process). While logged into it, I backup the full live system using rsync to another ...
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0answers
50 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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1answer
39 views

Recover file from previous installation? [duplicate]

I recently wiped an old ubuntu server of mine and installed debian, but i forgot to backup a very important file. I know there is a chance that the computer has already wrote over the file, but what ...
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2answers
117 views

Intro to shell scripts with basic application: how do I set my computer to make an archive of a particular folder every day?

I've got a situation where I need to give some people access to my dropbox folder. Already so far they have deleted huge folders full of important data. Their computer skills could use a bit of ...
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2answers
113 views

How often is the /etc/shadow file backed up?

From man 5 shadow: /etc/shadow- Backup file for /etc/shadow. Note that this file is used by the tools of the shadow toolsuite, but not by all user and password management tools. What I ...
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1answer
51 views

Backing up post install; rsync breaks

I use the following command for backup, but if I do a clean install of Fedora, copy over all my backed up files, then backup again, it copies them even though they are unchanged. Why? Can I avoid ...
3
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2answers
133 views

Transfering content of block devices

For the purpose of backups, I'd like to transfer (several) whole disk partitions over an ssh link. So the source is a block special device, and the target should be a regular file. Common tools seem ...
2
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1answer
72 views

Which config files in /etc folder must be unique for each computer?

I am doing a restoration test of backup files on a computer. Without putting much thought into it, I did an rsync to replace all files in /etc folder with the ones in the backup. Then, I realize I ...
3
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2answers
342 views

How to clone an apt repository to keep all old packages?

This may sound trivial, but I haven't found a solution anywhere yet. Is there a way to backup or clone an apt repository such that I get a clone that (1) contains all current packages and (2) keeps ...
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2answers
220 views

How should I restore /var/cache?

I just restored my Raspberry Pi server from an rsync image. During the backup, I had excluded /var/cache/*, thinking that this would restore an empty directory. This worked, but when I rebooted, a ...
1
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1answer
143 views

How reliable is (or will be) btrfs send/receive?

We have at work a 15TB NFS file server using XFS, with a distant clone for backups using rsync, over a moderately slow connection (100Mb ethernet). We are now thinking about using btrfs instead of ...
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0answers
138 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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1answer
97 views

gtar fails to perform incremental backup

The following script fails to perform incremental backup, but creates full backup instead. On another FreeBSD server exactly same script works just fine (creating incremental backups). Servers are ...
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1answer
96 views

Back up particular package and its dependencies

My question is: can we take a backup of a particular package and its dependencies? For example, if we install VLC it requires dependencies like kde filesystem,libcaca.so.0 etc.. can we take a backup ...
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2answers
2k views

Use logrotate to store 7 daily, 4 weekly and 12 yearly db backups

I've been trying to use logrotate to store a database backup for: last 7 days (daily) last 4 weeks (weekly) last 12 months (monthly) I've done a logrotate script like this, but only the daily ...
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2answers
359 views

Backup of svn repository and mysql database on daily basis

How do I instruct Ubuntu 13.10 server to: zip svn repository dump mysql database into .sql script tar both files copy backup tar onto sdb disk Are there any premade tools for such kind of ...
3
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0answers
44 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 ...