General :: Backup With DD Command?
Jul 21, 2011
my laptop has a 320 GB hdd which is dual booted with win 7 and linux mint.If i remember i dont think i am using the entire 320 GB from the hdd,may be around some 200 GB.If i use a DD command and back it up to an external 500 GB hdd,will it back the entire 320 GB or only the data which is of 200 GB ?
I want to have a full backup of my HDD ,incase the hdd fails in laptop i can mirror it to a new hdd from the external hdd.
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Mar 23, 2011
I'm going to be using this command to back up my files:
Should I change anything or is it ok?
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Apr 3, 2011
I'm new to Linux and I am currently using the Ubuntu distro. What I'd like to know is whether there is a program or command I can use to back up my hard drive with Ubuntu? I have an external drive that I can use for this purpose but I don't know how to set it up for Ubuntu or Linux generally.
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Dec 5, 2010
I back up all my digital photos to a couple of places. I've been using the cp command, but--given the personal value--have started to wonder if there's a more reliable way. I'm no stranger to Linux, Bash, Perl, etc., so I could write something to copy and compare md5 hashes, but I was wondering if something already exists (reinvention, wheels and what-not).
Most of my googling for copy and (verify|valid|check|hash|confirm) turns up rsync. However, as far as I can tell, rsync only uses hashes to see if a file needs to be updated. It doesn't perform a hash comparison afterward. For this use, specifically, the files are binary and typically 8-10MB.
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May 22, 2010
Does the dump command back up entire file-systems or is it capable of backing up subsets of a file-system? And is tar capable of taking device names (for file systems) as input to be archived?
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Jan 10, 2011
I'm in a directory containing various files and subdirectories, one of which is called BACKUP and is initially empty, what exactly happens if I launch the following command line:
Code: cp -R . BACKUP???
If I'm not mistaken, all the content of the current directory should be copied into the BACKUP directory, apart from the directory BACKUP itself. Actually I get a message saying something like:
Code: cannot copy a directory onto itself BUT when I look into the BACKUP directory I find another directory called BACKUP which I did not expect to find. Moreover, if I launch the same command again I get the same message (repeated two or more times) and then I find that inside the "second" BACKUP directory there is a third one, with the same name again. In other words, every time I launch the command I get a deeper tree of "BACKUP" directories, as if the command was messing everything up. I know that most probably I'm the one who's messing things up and I also know the "problem" can be easily bypassed by using as a destination for the copy a directory located elsewhere, but I'd like anyway to understand the reason for such a behaviour.
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Feb 13, 2011
I am fairly new to scripting and I am trying to write a script that finds and zips a file named file1.xml from multiple sub-directories. So basically I want to find them and zip them all together. The disk directory structure is as follows:
/mnt/data/user_name1/db/file1.xml
/mnt/data/user_name2/db/file1.xml
(etc, etc where user_name varies)
This is what I have so far, but I keep getting an error relating to the -name command.
filename=`date +%d%m%Y-%H:%M`
find /mnt/data/ -name file1.xml -maxdepth 2 -type d | zip -rp $filename.zip -@
I keep getting the following error but don't know how to fix it. Is what I am trying to do even possible?find: warning: you have specified the -maxdepth option after a non-option argument -name, but options are not positional (-maxdepth affects tests specified before it as well as those specified after it).
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Sep 15, 2009
I am trying to create a backup script that will back up a single folder for a class i am in. I was wandering if I could get some help. If possible I would also like to know how to write a script that can encrypt that same file . I will be putting the back up in my /home/usr/Backup directory. I am not trying to back up my whole system just a single folder. I am using Fedora 11
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May 21, 2011
I'm just setting up a partition on a seperate HDD in my system. I plan to use the partition to backup the important files on my main HDD (to guard against HD crash).
The question I have is about where would be the typical location to auto mount this partition? Which would it be normal to go for:
1. /backup/
2. /media/backup/
3. /mnt/backup/
4. /home/chris/backup/
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Sep 13, 2010
Can some one give me a sample of a crontab for backing a directory please, System is Ubuntu 9.04Quote:
#!/bin/bash
# this file is an automated backup script, backup.sh.
# this backs up my domain site.
[code]....
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May 10, 2010
My church is planning to purchase a NAS serving 9 PCs running Windows and Linux respectively. The new device apart from storing data, mainly photo, is expected to be used for backup keeping all PCs images.
I have been googling a while unable to find a solution running dd command over LAN.
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Mar 11, 2011
Sadly I am unable to login to a particular user via the GUI, but that is another thread [URL].
I know that you can create a single backup file of all your emails and settings when you have access to the GUI in Evolution. Since I am unable to login to gnome (or KDE) but I am able to login to the command line by su to the user I would like to create a that evolution backup file. I will be reinstalling Ubuntu.
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Mar 3, 2011
Is there a way/command to back up all data from a Red hat Linux 4 serve[Including user rpofiles, data, group info, encrypts] either to a Red hat Linux 5.4 machine or as an Image file or manageable resource?
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Jan 30, 2011
I have 2 'how-to's' with rsync neither are working. I need to backup nightly some items and using a command line, I am prompted with a password, enter and it works. I now tried these 2 items in the shell script, both of them still when run prompt for a password. I have tried;
#!/bin/bash
export RSYNC_PASSWORD=passwordhere
- and -
also created a blank file called pw (to test) and then tried
#!/bin/bash
rsync --password-file=/pw xxxx
Both of those options when run still prompt for a password. These severs are running old RH9 servers.
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Feb 27, 2016
I launch a mdadm grow to expand my filesystem but I forget --backup-file.I have my server running and one UPS.
Code: Select allpk25.com:~# mdadm --manage /dev/md0 --add /dev/sde1
mdadm: added /dev/sde1
pk25.com:~# mdadm --grow --raid-devices=5 /dev/md0
mdadm: Need to backup 3072K of critical section..
pk25.com:~# mdadm --grow --raid-devices=5 --backup-file=/root/md0-grow.bak /dev/md0
mdadm: /dev/md0 is performing resync/recovery and cannot be reshaped
[code]....
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Oct 6, 2010
when i use rsync command to backup my image file , it shows the following error message.
bash: line 1: /usr/bin/rsync: Argument list too long
rsync: connection unexpectedly closed (0 bytes received so far) [receiver]
rsync error: remote command could not be run (code 126) at io.c(463) [receiver=2.6.8]
The command which i used is rsync -avrl -e ssh cms@server:/data/cms/data/images/* /mnt/Backup/Intranet_cms_backup/images
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Jul 19, 2010
I'm trying to backup a whole startup disk to another with GRSYNC but I don't need some files or directories. For example, I don't want to backup my 'swapfile1' (I do not have a dedicated swap partition) or the 'media' directory' in order to no enter a looping sync.I've searched the web for the correct syntax of the --exclude command but none have worked if applied in the advanced option "before" rsync starts. These a sample of NOT workin syntaxes:
exclude /media or -- exclude 'media' or -- exclude "media"
same for swapfile1:
exclude swapfile1 or -- exclude 'swapfile1' or -- exclude "swapfile1"
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May 18, 2010
using Back In Time to backup my home directory to a second hdd that is mounted at /media/backupThe trouble is, I can do this using Back In Time (Root), but not using Back In Time without the root option. This is definitely a permissions issue - it can't write to the folder, but when I checked by right clicking on the backup directory and looking at the permission tab, it said I was the owner
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May 10, 2011
I install and tested Restore EE Backup server on a test PC with basic configuration and its working fine.
[URL]
The issue i have is where is the location these backup snapshots or files are saving? I want to add a separate Storage to save the backup?
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Jun 12, 2010
I have been looking for a complete backup solution like "Acronis True Image Backup and Recovery" on Windows for Slackware a while.
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Jan 15, 2010
After I spent some time discovering The BIG BANG of Universe and The Meaning of Life :
I managed somehow to create a script to make some backup of files on server and TAR it and then FTP the archive to another location FTP server and then emails result.
It also measures time needed to complete it and deletes archive older than XX days (set in find -mtime +20) and makes incremental backup every weekday and FULL on Sundays (which suits me bcoz no heavy load).
Files for TAR to include and exclude are in txt files listed each line separate name:
file: including.txt:
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Nov 10, 2010
This script simply deletes files older than a certain age (in this case 7 days) from a certain location; I use it to purge old backups nightly, and it works as expected:
# delete backups older than 7 days
find /mnt/backup/* -mtime +7 -exec rm -Rf {} ;
The problem is, every morning I get an email with an error message something like this:
find: `/mnt/backup/subfolder': No such file or directory
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Jan 19, 2010
I have a scheduled backup to run on our server at work and since the 7/12/09 it has be making 592k files instead of 10Mb files, In mysql-admin (the GUI tool) I have a stored connection for the user 'backup', the user has select and lock rights on the databases being backed up. I have a backup profile called 'backup_regular' and in the third tab along its scheduled to backup at 2 in the morning every week day. If I look at one of the small backup files generated I see the following:
Code:
-- MySQL Administrator dump 1.4
--
-- ------------------------------------------------------
-- Server version`
[code]....
It seems that MySQL can open and write to the file fine, it just can't dump
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Feb 2, 2011
I've tried to google but not much luck. What I would like to do is have anumber of folders on my desktop and their contents, replicated/duplicated into another folder on the same PC in real time. So for example, if I were to change an OpenOffice document in a specific folder on my Desktop it would be replicated/duplicated in real time. If I had three folders on my Desktop A, B and C they would also appear/be backed up (in real time) in a folder called /home/backup. Can this be done?
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Aug 10, 2011
I want to make a backup from my Email and my Favorites from Mozilla.
But which folders I have to make a backup from.
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Jun 30, 2010
does anyone know of a good backup software for Ubuntu 10.4 that will let me select which folders to backup, rather than a complete backup? My install and settings etc can be replaced, but my photos and memories cannot!
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Sep 1, 2011
I have installed Ubuntu 11.04 onto HP EliteBook 8540w notebook and would like to backup the entire disk using some popular backup tool.
I have searched in the internet and found the closest tool is PartImage. But the bad news is that it does not support ext4 fs!
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May 10, 2010
Does anyone know of any decent enterprise level backup solutions for Linux? I need to backup a few servers and a bunch of desktops onto one backup server. Using rsync/tar.gz won't cut it. I need like bi-monthly full HDD backups, and things such as that, with a nice GUI interface to add/remove systems from the backup list. I need basically something similar to CommVault or Veritas. Veritas I've used before but it has its issues, such as leaving 30GB cache files. CommVault, I have no idea how much it is, and if it supports backing up to a hard drive rather than tape.
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Feb 4, 2011
I am now preparing myself to upgrade lenny to squeeze and decided to do a backup on my system. I used backup-manager to do the job and it worked fine. how do you restore said backup data?
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Jun 21, 2011
iam trying to sync file server data into backup server machine by command- rsync -avu path/of/data ipaddress-of-backup-server:/path/where/to/save after running it ask for root password and manually it is successful.but i want to make it automatic.for that i also tried cronjob and also generated authentication key but iam not successful in login automatically..anybody know how to authenticate root to login for storing data in backup server.
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