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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2k views

Best solution advice for backup to NAS over WAN

What is the best solution for daily backup of Linux folder to NAS server over WAN? Here is the situation: My customer has expressed a wish that source code for his project must be backed up every day ...
3
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2answers
611 views

How to skip special / socket files during rsync transfer?

Using the following command. rsync --archive --delete --partial --progress --recursive --no-links --no-devices --quiet source target Using --no-links and --no-devices already. Getting the error ...
0
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0answers
81 views

Whats the right way of Data/Subvolume structure/hierarchy management using btrfs

My intention is to switch my filesystem from ext4 to btrfs. Currently I have 2 space disks with 4 TB each. I allready set them up in raid1 (using mkfs.btrfs -d raid1 /dev/sdx /dev/sdy) Then there ...
2
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1answer
155 views

Duplicity include/exclude directories & symlinks

I'm trying to configure Duplicity to perform a system-wide settings backup. Among other things, I'd like to backup settings in /etc/portage/, the file /usr/src/linux/.config and the KDE autostart ...
2
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1answer
105 views

Backup on a remote server in an encrypted folder

Is there an easy way to backup your home directory on an online server in an encrypted folder? I heard of obnam which should be able to store encrypted with a GPG key somehow. What would be the ...
8
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4answers
7k views

`cp -al` snapshot whose hard links get directed to a new file when edited

I am trying to take snapshots of a massive folder regularly. I have read here: http://www.mikerubel.org/computers/rsync_snapshots/#Incremental that cp -al takes a snapshot of a folder by simply ...
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2answers
110 views

Delete files that are not part of a bash array

Right now I backup the mysql databases using a cronjob everyday. Now that the server is getting full, I only want to keep one backup for every month, one backup from sunday every week and the last 7 ...
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2answers
105 views

Pack installed system in tar.gz file

I have arch linux installed, with partition scheme like this: /dev/mapper/lvm-root -> / /dev/mapper/lvm-home -> /home /dev/mapper/lvm-opt -> /opt /dev/mapper/lvm-pkg -> ...
8
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1answer
407 views

cp says it's removing files, but shouldn't be

Making a quick backup: root@guilmon:/mnt/backup/guilmon/home# cp -uvfrx --preserve=all /home/rena/ . The output is surprising - some files are said to be removed! removed ...
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1answer
71 views

Hard Disk Clone Image Size

I've created an image backup for HDDA (partition) from HostA and saved on HostB ssh -c blowfish user@ip-or-hostname "dd if=/dev/sda1 | gzip -1 -" | dd of=sda1.gz conv=sync,noerror The HDD size is ...
0
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1answer
21 views

run remote command to save debian package list

I'd like to backup the package list(dpkg) of some remote computers to a backup server: all of them running Debian. I already configured the rsa key to login remotely as root on the other computers ...
0
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1answer
87 views

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 ...
0
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1answer
184 views

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. ...
3
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1answer
5k views

How to take and restore backup with an LTO tape drive in RedHat?

I can take a backup with an IBM LTO tape drive in RedHat 5 using mt and tar, but I can't restore it. I can't see previous backup content. Whenever I try to take a backup, I think that the new backup ...
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0answers
100 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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1answer
52 views

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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5answers
495 views

What Windows-related files are valueless to *nix users?

I have accumulated, from my time using Windows a good quantity of held-over filesystem copies and archives of system and data drives. I am trying to distill them down to the usable parts while ...
3
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0answers
156 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 ...
9
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4answers
703 views

filesystem for archiving

I have some complex read-only data in my file system. It contains thousands of snapshots of certain revisions of a svn repository, and the output of regression tests. Identical files between snapshots ...
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2answers
222 views

Is it better to archive/move mail based on mtime or ctime?

I have been using a perl script to archive mail found here The script uses ctime to process and decide which month sub folder to place mail. In most cases this is fine since the ctime = mtime and ...
1
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1answer
552 views

tar -c Error Messages and Source Files?

During a tar archiving operation with tar -cvf archive.tar source does the resulting tar archive that reports a file changed as we read it error still contain "some version" of the source file that it ...
4
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1answer
299 views

I need an fstab example for archivemount (want to umount without my password)

I am using archivemount to mount one of several tar.bz files in Ubuntu. It works very nicely for me. I mount and umount frequently (I'm in a testing phase). I want a solution that will allow me to ...
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4answers
666 views

Command substitution grepping ls output causes error

I'm trying to make a tar.tgz file using command substitution There are backups of 17 Aug 2012 -rw-r----- 1 ossec 502 804M Aug 17 2012 BKPMDISINT_i6nir20j.F_bkp -rw-r----- 1 ossec 502 2.7G Aug 17 ...
2
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1answer
62 views

appendable and greppable archive on CentOS to hold many log files (logrotate on steroids)

I have a bunch of applications on a CentOS 6.3 box, which generate daily logs (text files with a very similar content) in this vein: /data/logs/app/my-2014-06-29.log ...
3
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1answer
315 views

zfs deduplication “low” ratio

In Solaris 11, in a pool named mypool I activated deduplication with zfs set dedup=on mypool Then I created two 100 MB file: file1 and its copy file1copy. Only their names are different: their ...
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1answer
999 views

Archive file with date-stamp [duplicate]

I want to move(archive) the multiple files from say directory /users/wahasan to /users/wahasan/old. The archive files should be autodated. files are of the format CHKBOI.pos, CHKUTI.pos, ...
3
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2answers
150 views

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 ...
2
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2answers
319 views

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 ...
3
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0answers
260 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 ...
2
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0answers
319 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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1answer
177 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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0answers
57 views

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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0answers
12 views

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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1answer
137 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 ...
4
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1answer
9k views

What does 'mount point' mean in a Linux installer?

While installing Linux, it asks for a 'mount point' selection. I gave it /, but I don't know the exact meaning and aim of this. Also, now I want to create one more mount point, /home in my machine ...
0
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1answer
34 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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3answers
5k views

How to clone btrfs filesystem into different medium preserving snapshots' sharing data

I have decided to give btrfs raid capabilities a try. I set up a btrfs with sudo mkfs.btrfs -m raid10 -d raid10 /dev/sda9 /dev/sdb9 /dev/sdc9 /dev/sdd9 Now I want to clone my existing btrfs ...
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0answers
165 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 ...
0
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2answers
92 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 ...
6
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2answers
103 views

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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0answers
51 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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1answer
136 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 ...
0
votes
1answer
263 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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0answers
77 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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0answers
151 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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0answers
57 views

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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0answers
94 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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2answers
45 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 ...
2
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1answer
194 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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0answers
34 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 ...