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.
Questions tagged [backup]
1400 questions
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How to back-up one big file with small changes?
If a set of files (several GBs big each) and each changes slightly every day (at random places, not only information appended at the end), how can it be copied efficiently? I mean, in the sense that only changed parts are updated, and not the whole…
Quora Feans
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Automatic and reliable back up of data
I have a lot of lossless music on my computer. Unfortunately, sometimes (now quite rarely) they got corrupt and I had to replace them with my backup from an external HDD.
The backup was done manually and it was of course tedious. As my music…
marmistrz
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Is copying the root folder an adequate form of backup?
I am working in a small organization with about 8 or so Linux independent servers. While we currently do remote backups among the machines, I was told to make an "emergency backup" of the machines to an external drive.
Here is my current…
jaynp
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Byte-level versus file-level backups
This question is motivated from a reply by Craig Sanders. Thanks, Craig!
In what case, are byte or block level backups, i.e. disk or partition image backups, more suitable than file-based backups?
For example,
for routine backup of partitions and…
user23153
3
votes
1 answer
Backing up full DO droplet to local Mac disk
I need to have a full server backup of a digital ocean droplet on my mac.
I´d like to use mac terminal to get the files from the server using scp or other method but I can´t make an image at the server and then download it to the local mac because I…
Fred
- 31
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votes
2 answers
What don't I need to backup?
I'm trying to do a simple system backup (with cpio or tar), and I was looking for what I need to back up and found this question. The answer was basically, "it depends on what you're running on your machine".
If there is a disk failure, I want to…
3
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1 answer
Is there a backup tool that recognized renamed/moved files/directories?
Possible Duplicate:
Any way to sync directory structure when the files are already on both sides?
I'm looking for a backup utility that recognizes files or folders in the source that have just been renamed or moved. Using rsync I get a lot of…
htorque
- 691
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votes
2 answers
backup script to exclude some parent dir and include some child dir
What I'm trying to do backup?
users home dir which include Desktop,Documents,Pictures, thunderbird which i need to backup of every user
all users are in /home partition with there respective user name
there are certain user AND files in /home which…
user138530
- 45
2
votes
2 answers
LuckyBackup: clarify snapshot vs update options
The manual for LuckyBackup is unclear about the difference between its snapshots and its normal backup process. I'm hoping a user can clarify.
The manual describes its normal backup operation as making an initial complete copy of everything…
fixer1234
- 681
2
votes
1 answer
Backing up partition using dd and changing files
From what I've read, you can back up an entire partition like this:
dd if=/dev/sda1 of=/media/external/backup
Can anyone tell me if I need to worry about files being changed while doing this? Could it be that some critical system file might get…
Magnus
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Could I backup mySQL without storing my password at the file?
I use the following script under /etc/crontab to make a daily backup of my MySQL database (up to the last 30 days):
0 8 * * * mysqldump -u root -PASSWORD --all-databases > /root/backups/mysql/db.sql
1 8 * * * zip /root/backups/mysql/db-$(date…
user149572
2
votes
1 answer
Copy files on with permission
I recently did a fresh installation of my linux system (archlinux), but before doing that I did a backup with of my Data.
How to copy this folders from my external HDD to my /home folder with full permissions, then I can use them. Thanks
liquid-snake
- 55
2
votes
2 answers
Find which files aren't duplicated in a second location regardless of directory structure differences?
I have two directories with hundreds of thousands of files in each. Most of the files are duplicated between the two locations, but some aren't, and I'd like to learn which ones aren't duplicated (meaning for example they aren't backed up, and then…
Lucas Walter
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2 answers
Backup of a NAS
I have a NAS that is used to store data from our LAN. For many years I've relied on tar or cpio to back up selected directories to tape. When I backup complete partitions or disks on the various computers I generally use dump as per the…
apolinsky
- 563
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votes
1 answer
What are portability of backup, remote backup and networked backup mean?
From the book Linux Administration Made Easy:
When deciding on a backup solution, you will need to consider the
following factors:
Portability − Is backup portability (ie. the ability to backup on one Linux distribution or implementation of Unix…
Tim
- 101,790