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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937 views

How to use terminal to access iCloud Drive when Finder is not running

I would like to access iCloud drive from Terminal in order to create an emergency backup. Unfortunately, my installation of Mac OS Yosemite is not operational, so I am using recovery mode to create my ...
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38 views

Programmatically breaking all files in directory along size boundaries?

Okay, so I have a directory that has lots of files in it. These files are highly-compressed archives of documents, and I want to store these to a set of DVDs. That is, I want to have each archive on a ...
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57 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 ...
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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 ...
3
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87 views

Sync with Onedrive

I would like to sync (and backup) my /home directory with OneDrive. I found some great terminal clients, where you can even mount your directory, but nowhere did I found an option to this with some ...
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66 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 ...
3
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74 views

How are XFS deltas for xfsdump -l n calculated?

I have a xfs filesystem with many small and a couple very large files (~100GB), its on a lvm2 volume. I want to do incremental backups from it. Is there any computational overhead when using a tool ...
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26 views

Specify the format of application temp/backup files in kde

Many text editors will create temporary or backup files with the format <filename>~. Because of this, folders appear very cluttered with tons of files duplicated in this way ( <original> &...
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324 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 ...
3
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96 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. ...
3
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421 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 GNU/...
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67 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 ...
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140 views

How to create an installable liveCD backup of my system (keep all installed packages but not home directories)

What tool should be used to do this? I have taken a look a remastersys but the image it generated wasn't installable. (I could just boot it, and login, although all my packages were installed). If ...
3
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168 views

Configuring networked printer to archive print jobs

Our existing infrastructure has a shared printer running on a windows machine. It may be upgraded to a real network tcp/ip based printer in the near future. How can I make it automatically keep a ...
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65 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 ...
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129 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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111 views

Backup using find and ssh to off-site server

I'm sure this has been been answered in bits and pieces on many sites, but somehow I can't seem to get this (as a whole) to work reliably. Scenario: I have a server that I would like to do ...
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38 views

How can I access timemachine back ups from Linux Mint?

I can connect to my AirPort WiFi via my Linux machine but am trying to access time capsule backups I made when I had a MacBook Air. I have researched and found info on airport-utils, but have had no ...
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404 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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110 views

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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394 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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555 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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178 views

Corrupt files after extracting with Cygwin's GNU tar

I have a bunch of tarball backups which I just restored onto my new Windows 8.1 + Cygwin system using GNU tar: zsh$ for file in **/*.tgz; do tar xvzf $file; done To my surprise a lot of these ...
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359 views

BackupPC can't finish backup

I'm trying to backup /etc/ directory on CentOS 5.2 using BackupPC. It takes several hours and then aborted by signal ALRM. There is a partial backup created with all data from /etc But BackupPC thinks ...
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185 views

How to restore a Duplicity backup from Amazon S3 on Debian?

I have applied the script provided here to backup my stuff in Debian Etch and it works, I tried to reverse the SOURCE and DEST, but I can't restore. What am I missing?
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33 views

Proper way to create a compressed, rsyncable mirror of a directory?

I would like to create a compressed mirror of some directories in such a way that it can be rsynced again, both from the original destination and to a remote destination. I can do it inefficiently in ...
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27 views

Why won't Bacula work without the label command?

I followed the instructions here for setting up Bacula, but when I test it by going into bconsole and running a backup, it doesn't work. There is one step missing from those instructions. You have to ...
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19 views

systemd: gracefully fail backup when external disk not plugged in

I have a backup setup where I use systemd timers to do hourly, daily, weekly, and monthly backups. Each timer unit triggers a service that runs the backup script. The backup service units are of the ...
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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 ...
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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 ...
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57 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 ...
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34 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 ...
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57 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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28 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 USER=...
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107 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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33 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. So,...
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19 views

Backup location in LVM

By default, the metadata backup is stored in the /etc/lvm/backup file and the metadata archives are stored in the /etc/lvm/archives file. What should I do If I want to change directory for backup? For ...
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196 views

Using tar to backup and restore a path mounted with overlayfs

I have a system running OpenWRT with Linux 2.6.39.2. In my filesystem, I have symlinks contained in /etc/rc.d on ROM and more symlinks contained in /overlay/etc/rc.d in flash. overlayfs does a union ...
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117 views

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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182 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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54 views

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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86 views

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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184 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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36 views

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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260 views

Restore from incremental backup?

I read some books which use dump and restore. They said that during restore, first restore the latest full backup, and then restore each incremental backup created after the full backup. But I am ...
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59 views

Can I change the exclude file list while running rsync under a cron job

I am using Fedora 20, MATE desktop, zshell. I have started a cronjob to run, every evening, an incremental backup using rsync, closely following the suggestions here. After the first run yesterday, ...
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283 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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34 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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79 views

how can I backup and restore of partitions and logical volumes?

This is my disk scheme sda1 /boot ext4 sda2 /somefiles ext4 sda3: lvm volgroup1/lvolume1 / ...
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60 views

How do I make a backup image of ChromeOS on an AcerC720?

I have tried using ImageBurner and the Recovery app in ChromeOS yet distro doesn't complete the operation and the image is never finished. I've tried USB drives by Transcend, HP and Jetflash and it ...