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Questions tagged [backup]

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 to test the bandwidth of the connection between two Linux/Debian Stretch servers?

The transference of the files fails silently. The scripts I created this week use rsync, but the majaroty of the machines use SCP to copy the files to the remote backup server. My first guess is that ...
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recovery/ backup of IRIX image

i am working on a system recovery task. That is Silicon graphics indy computer , it has irix installed in it. I am facing a segmentation fault (core dump) over there. I Want to make a backup image of ...
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How shall I fast and reliably transfer 300G files from a computer to another?

I want to transfer ~300G files from a laptop to other in the same local wifi network, for back up purpose. (I am running out of the space of my only external hard drive, and can't afford anything. ...
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25 views

Moving Specific Files in Specific Directory

I've some files in directory /app/me/all_off which filename like below : access_log alarm-batch alarm-service-root db_wrapper_access_log db_wrapper_api_service moqueue-job mt_push_api_service mtqueue-...
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Can “parchive” be used for block devices?

As explained on wikipedia and Arch linux wiki "Parchive"s can be used to generate additional data for a file, that can be used in verification and even to some degree for repair/recovery of said file ...
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Backup remote Linux server to windows

I would like to backup a remote linux server into a windows workstation. I am looking for an approach similar to this, but in windows: Backup from remote server Is there any rsync client for windows ...
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How to add ~/.zshrc file into git?

I would like to create a backup of the .zshrc file in my ~/ directory and avoid versioning all other items. How to exclude all subdirectories and their content? For example: cd ~/subdirectory/ &&...
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Why can't I find the file location in the terminal?

I am using the KUP backup system. To the right, in the KUP backup interface, it mentions the location of the backup is in Backups\kup\... but I cannot find the \kup\ under the \backup\ directory in ...
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Backup and Sync from Linux to a WSL live (per each change) [duplicate]

I have a Linux (Arch/Debian) with only a CLUI (Bash) and a server environment (LAMP) with the following details: 4 GB RAM 2 vCPU Cores 80 GB SSD 4 TB Transfer 40 Gbps Network In 4000 Mbps Network ...
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How can I tar and gzip my web directory files and download (using rsync) it in one command from my local machine?

I'm rewriting my original question because I realized this is more efficient: I'd like to tar and gzip my website files and then download it. I know I can tar and gzip it with one command using tar ...
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1answer
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How do I backup Chrome OS?

I tried to use Acronis Backup & Restore Universal which boot form USB media, but it doesn't work. It doesn't boot from USB removable media. It looks like Chromebooks don't have a BIOS like normal ...
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What does dd write, when it encounters a input/output error?

I have a drive that's on the verge of failing (C5 a C6 are triggered) so I decided to make another backup while I still can. For that, I'm using dd to another drive of the exact same model. As ...
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32 views

How to store an rsync backup of my system on a NFS mount?

I'd like to use rsync to make a backup of my complete system including files owned by root and myself as well as other system and non-system users. I'd like to be able to restore the source directory ...
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What does it mean when Duplicity exits with exit status 23? [closed]

I'm running Duplicity for backup of my desktop to a remote storage. Everything has been working fine, but now I see in my log that Duplicity has been exiting with exit status 23 for a couple of runs. ...
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schedule auto backup the directories from Centos to FTP server

i have three Centos server i want to schedule autobackup some directories to my FTP server ,FTP is already installed in all servers, i want to use crontab for schedule the backup but the SH files is ...
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31 views

Speeding up repeated python calls (or, alternatively, porting a complex regex to sed)

I am an academic medical physicist. I do experiments that generate a fair amount of data, and they are expensive to run. My university has a backup system that consists of a robot tape library in a ...
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Migration from a HDD to a SSD

I recently bought a 240GB SSD. Before that, the system (Elementary OS Loki) was installed on a 1TB HDD, consuming 512Gb. My idea would be to leave the user's folder on the HDD, which consumes lots of ...
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rsync as root - does it change the ownership of synced files?

I'm going to be using rsync to sync an old home folder onto a backup drive. I'm thinking of using rsync as root. Is there a way to avoid changing the ownership of the files etc I copy?
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Backup the information with rsync to generate a mountable image?

Looking for some program to create a file of image of the information (.img) to later be able to mount it, I have not found anything simple. In the case of Clonezilla, it requires additional space to ...
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Backup: How to mirror/clone LVM LVs (or VGs) on demand?

So far, I have a semi-automated backup approach for the whole system installed in different LVs, using LVM (CoW) snapshots (which can be created upon boot to avoid data corruption). That is, if I ...
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Backup OS and GRUB before changing distro

I'd like to change my current distribution to some other distribution - especially I had to do a lot of experiments and would like to clean it up a bit. Before starting migration though I'd like to ...
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1answer
61 views

What's the difference between “parent” and “clone source” with “btrfs send”?

I regularly use btrfs send and btrfs receive to copy read-only snapshots from my live system to a backup drive. On the backup drive there are already multiple snapshots. Today I wondered: Can I copy ...
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193 views

What is the correct way to use doveadm to backup emails?

I am trying to backup my email server with dovecot. I have read the doveadm command documentation but it is unclear on how to use it. I have create a test directory /dove_backup and then trying to ...
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using sudo with piped command on Ubuntu server

If I need to use the following backup command on an Ubuntu server with sudo, how do I do so? Do I need sudo at two places? tar cf - directory | 7za a -si directory.tar.7z
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How to diagnose a slow network on Fedora 28?

Experiencing very slow network throughput on my linux Fedora 28 box. Barely getting over 4 MB/s down (~39 Mbps) using speedtest-cli, I can sometimes get near 8 MB/s down using wget to download test ...
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How to back up two ZFS pools to a backup pool with regular snapshots and incremental send/recv

I'm running ZFS on my home studio machine. I have two pools: ssdtank - holding the operating system datasets, swap zvol etc. hddtank - holding user data I have a backup USB HDD that I want to use ...
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Do I need to run BackInTime as root?

Just trying out BackInTime, not running as root, and when I've completed the initial configuration of settings I hit OK and... nothing happens. I've got my destination base set to a dedicated ...
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2answers
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Is it possible to expect copies of files from ext4 to ntfs filesystems can work equally well as the original?

I am reading about how symlinks created on linux filesystem not work well when copied to NTFS filesystem at https://ubuntuforums.org/showthread.php?t=1497914. Is it possible to copy files of any ...
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automatic backup with duply to remote computer

I'd like to make a daily backup from my machine to another. The backup is created via duply, manually triggering it works fine: $ duply home status Start duply v1.11.3, time is 2018-11-19 17:07:10. ...
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CLI backup tool

Is there a backup tool which is "intelligent" enough to notice that a folder or large files may have been renamed between two backups? Maybe even if their location changed (not too complicated)? Is ...
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Keep only a certain amount of backups (tarballs) in a directory

On my debian 9.4 machine I have a script that automatically compresses & backups up all my files in a srv/ with the date in the name xx-xx-xxxx.tar. It is moved to my backups/ directory. I would ...
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tar restore --listed-incremental timestamp is in the future

I have some backups that were created using tar --listed-incremental features. When I restore the individual backups one after the other using tar -xf archive.tar I get no warnings but if I restore ...
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A simple utility to backup of both database (MySQL) and document root into one file

In Ubuntu-LAMP with Bash I host a few personal websites. All websites are under document root (/var/www/html). This is how I currently create immediate backups on maximally-self-managed cloud ...
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1answer
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Backup and restore clonezilla linux image into a new windows based laptop

my current office laptop ( that died recently ) is configured with dual boot windows/xubuntu, because company laptop comes by default with windows. Luckily the hard disk is fine. Now the new laptop ...
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45 views

backup with tar

I have found that I need this command to make a full backup of the Etc folder tar cJPf /srv/dev-disk-by-label-Share/Myfiles/$(date +%F)-$(hostname)-etc-tar.xz /etc/ But what command do I need to ...
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1answer
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What's the difference between backing up files in an AIX system using either “tar” or “backup” commands?

In AIX systems there are the command backup and its counterpart restore meant to make and restore backups, respectively. But what are the advantages of using them instead of a well-known tar command ...
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Some questions about Hard-links, and backups

Recently I accidentally whipped out a directory with important stuff, and now I'm starting to think about the best ways to have backups, a remote copy It's already in place but I was thinking, about ...
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94 views

Backing up Linux to a Windows file system for later restoration

I need to backup / copy the files of my Linux installation to an external drive, so that I can restore them onto the new, larger disk. The destination disk for the restoration is twice as large, and ...
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1answer
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Can I use rsync to move a list of files in different directories to a remote sever without logging in more than once?

So, I'm trying to write a script to back up some various configuration files with my ssh fileserver, but I'm not sure the best way to go about this. It would be nice if I could just fill a file with ...
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Back up and sync to mirror disk or image file

Let's assume a computer with 1 TB SSD and 2 TB HDD and an empty external 4 TB HDD for backup purposes. Now, to prevent data loss if one of the drives fails, a disk image or a copy of each file can be ...
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314 views

How do I perform a full system backup on Debian Stretch using rsync?

I have compiled and installed Back In Time to perform automated, full, system backups of my desktop computer running Debian Stretch (kernel 4.90.0-8-amd64). Back In Time uses rsync under the hood. ...
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1answer
31 views

How to backup network systems to LTO tape?

Having narrowly avoided a catastrophic server failure, I have equipped myself with an LTO5 tape drive, and some tapes to avoid data loss, having previously relied on RAID. However, I realise that ...
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1answer
1k views

Scheduled folder backup

I'm looking for how to automatically backup a user's home directory in CentOs 7 to a remote host or NAS or just to ~/.snapshot. In some Linux setups, I have seen a .snapshot folder in the user's home ...
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19 views

restricted shell for backup

I was thinking about creating some backup solution for my NAS. My idea is that I could set up a remote system with ssh access and backup tool (whichever I choose to use) would upload files there. All ...
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1answer
73 views

Rsync creating diff directories

What I want: I'm trying to back up many files to S3 each day. I want to compress these into archives daily so that each individual backup doesn't cost as much. Therefore, I want a backup system ...
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2answers
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Stop rsync scheduled task race condition (large directory, small time interval)

Platform information: OpenBSD 6.2 amd64 $ rsync --version rsync version 3.1.2 protocol version 31 I'm trying to sync a large directory (4TB) using the following daily.local file (for Linux admins, ...
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48 views

Anyway to apply filter while btrfs subvolume snapshotting?

btrfs sub snap foo bar creates an exact same contents of subvolume foo as subvolume bar, except the subvolumes in foo, which are excluded in bar. What I want is excluding some regular folders too ...
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Manually synchronizing two BTRFS snapshots with RSYNC

Question Is there a way to synchronize two BTRFS snapshots manually on different disks and mark them as identical (set the parent/child relationship) reliably? Problem I was synchronizing my ...
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1answer
31 views

Is unmounted USB drive more durable than mounted one?

I'm thinking of running a file server on Raspberry Pi with two USB flash memories. Should I mount and umount every time I execute the backup? I mean, is the umounted USB more durable than mounted USB (...
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2answers
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How to configure an account to have read permissions to on all files on a system, including root's files?

I need to create a kind of "backup operator" account, which can read all the files on a system for copying to a backup system without the permission to modify any of them, including those belong to ...