All Questions
8 questions
0
votes
1
answer
35
views
check files difference with multiple folders
I would like to check when a file differ inside a backup system using snapshots.
I have several folders with the same architecture inside
ls -1 .snapshot
4-hourly.2024-04-14_0405
4-hourly.2024-04-...
0
votes
1
answer
608
views
Best way to compare/diff two big directories that are backups (by `rsync -aAX`) of a boot partition from another computer?
[ EDIT:
Answered my own question.
Used unison and some hacky post-processing
(
copy-pasted the log output of unison,
tweaked it in my text-editor with multi-selection editing,
then did some shell ...
0
votes
0
answers
34
views
Software for directory integrity
I keep a directory on my home server with all of my important files on it. I want to make offline backups of this directory. But as I add and modify file, I also want to be able to make comparisons ...
2
votes
2
answers
157
views
Compare two files, while overriding second file's size
I am trying to verify a backup that I made using the following command:
dd if=/dev/sda of=/dev/sdc2
I backed up the contents of /dev/sda (internal hard drive) to
/dev/sdc2 (external backup drive, ...
3
votes
3
answers
820
views
Rebuild original file from diff files to save disk space
Every day 10GB text file is downloaded, the file is ~200 million lines and ~1% of the lines are changed the next day. I want to keep daily files as backup, but I'm trying to save disk space by using ...
9
votes
2
answers
26k
views
Compare directory trees regarding file name (and size and date) [duplicate]
I want to check the results of a restore from backup. This is, because TimeMachine on MacOS gives me some weird errors and warnings and I want to make sure, everything is in its place again after ...
1
vote
1
answer
122
views
Interactive backup tool
I am looking for a backup (or diff) tool where I can select interactively which file I want to copy towards my external hard-disk.
Let me explain with further details: I have two computers and an ...
19
votes
5
answers
1k
views
rolling diffs for storage of highly similar files?
At work we do a nightly dump of our mysql databases. From day to day, I would guestimate that close to 90-95% of the data is duplicate, increasing as time goes on. ( Heck at this point some are ...