Short for "difference" or "differencing", in computing, "diff" refers to a data comparison that calculates and displays the differences between two objects (usually files or directories).

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How to see what Windows registry and file system changes happened after a software install?

I'm solving a problem - I'm installing software on Windows and it makes the system unstable for some reason. Windows starts crashing soon after. I want to know what changes it made to the registry and ...
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7 views

conveniently inspect the diff between two states of a directory in rdiff-backup

I'd like to inspect the changes in the stored states in rdiff-backup with something like git diff old..HEAD. How do I do this conveniently? First, restoring an old state, and then running a diff ...
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34 views

subversion directory structure diff between revisions [closed]

I can't seem to find a way to use Subversion to take a diff of directory structure changes between two revisions. I'd like to see what files/directories/symlinks have been added/deleted between two ...
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1answer
75 views

Bug in diff: wrong output for one-character files without newline [closed]

Consider this: echo -n a > /tmp/a echo -n b > /tmp/b diff -B /tmp/a /tmp/b Clearly, the two files are different, yet, diff seems to think that the files are identical. I've managed to ...
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117 views

rsnapshot diff between snapshots

I am using rsnapshot to manage incremental backups of some GNU/Linux servers. Although rsnapshot is delivered with a tool called rsnapshot-diff it just provide disk space statistics. The question is ...
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24 views

How to remove programs installed from source using diff?

Is there a way to remove compiled from source programs rather than make uninstall? Can we take snapshots of filesystem before and after installation and take a diff and remove the installation? Also ...
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3answers
4k views

How do I diff two folders in Windows Powershell?

I'm trying to find differences in the content of two folder structures using Windows Powershell. I have used the following method to ensure that the file names are the same, but this method does not ...
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1answer
100 views

Xen dom0 and domu ifconfig returns different stats

I expected that when I use ifconfig command to display network traffic RX and TX values both for dom0 and domu machine, there are differences. I run once ping inside the domu. domu ifconfig command ...
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6k views

compare 2 directories and copy differences in a 3rd directory

Running ubuntu 12.04, I want to compare 2 directories, say folder1/ and folder2/ and copy any files that are different to folder3/. There are also nested files, so matching subdirectories should be ...
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3answers
701 views

Import VMs with differencing VHD into Hyper-V 2012

I've recently installed Windows Server 2012 to my test server to run Hyper-V test environment. I have bunch of old VMs which were created in Windows Server 2008 R2 Hyper-V which I didn't export in ...
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2answers
139 views

debian, diff, config default

I want to know if is posible to get the diff on the original versus the current config files of installed debian packages. If found an answers which shows up the modified config files, but I find no ...
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4answers
159 views

How can I get 'diff' to show only added and deleted lines? If diff can't do it, what tool can? Take-2

I have 2 sorted files produced by xxx>find /store -type f -print | sort > /tmp/invent.txt xxx>find /fbkup -type f -print | sort > /tmp/backup.txt I want from diff a file name list of files ...
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1answer
37 views

Find and group all unique versions of a file

I have a convoluted directory structure where there are many copies of foo.txt. I'd like to find all copies of this file and group them by their diff result, i.e. [type 1] /bar2/sub1/foo.txt ...
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282 views

IBM Bladecenter Nortel switch issue

We have a IBM Bladecenter with integrated Nortel switch. The problem is I am not able to change anything on the switch because I am getting the following errors: >> azimov-in - Main# diff Diff ...
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3answers
585 views

Monitoring folder diffs across servers with zabbix

Problem: I want to make sure that a certain folder is equal regarding it's contents across my servers. I do not want an automatic filesync to keep them equal, changing is done manually. My initial ...
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2answers
889 views

How can I compare two directories to compare missing files, when the directories don't have the same structure?

I've been sent a HDD of new and updated files from an organisation that we are working with, but we already have most of the files sitting on our servers, and would like to update our local versions ...
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2answers
512 views

Bash: Comparison of two files having different file size

I have 2 files with me having content like: file1: a b c e g s and file2 s a b c I want to compare contents of the file, that what which letters are NOT present in other file, and which Are ...
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1answer
68 views

Find mysql replications diffs patterns

I'm using pt-table-checksum and pt-table-sync to check for differences in my replicas. when I use pt-table-sync with the -print option, I can only see the master values. How can I show the ...
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228 views

looking for a tricky one liner to get diff of awk output

Lets say i have two files like below: file1 a 23 b 34 c 47 file2 a justin_beiber_sucks b segmentation fault c jackson d nop Now what i want is to get a diff of the first column of two file. I'm ...
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1answer
701 views

Identifying the number of changed bytes between two ZFS snapshots of the same file

Let's assume I have a ZFS filesystem that contains virtual machine disk images, e.g. /tank/examplevm/examplevm-flat.vmdk Let's further assume I take daily snapshots of that ZFS filesystem, e.g. $ ...
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1answer
1k views

Is there a command that produces a diff of the permissions of target files?

Just as it sounds, I'm trying to find out if there is a (standard) command that will produce a diff of the permissions between two files and/or directory trees. Ideally it would put out a patch file ...
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2answers
2k views

Does btrfs have an efficient way to compare snapshots?

While diffing mounted snapshots would work, it sounds like it could be horribly slow in many cases. Is there btrfs specific functionality for diffing snapshots? (I was unable to find any in the docs) ...
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3answers
718 views

Check if all files in a directory exists elsewhere

I'm about to remove an old backup directory, but before doing so I'd like to make sure that all these files exist in a newer directory. Is there a tool for this? Or am I best off doing this ...
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2answers
73 views

ubuntu server version different with desktop version [closed]

I was surprising during check my ubuntu system. Since mid 2011 until now i'm use this different version of ubuntu. I found that my server is ubuntu 10.04 and my desktop is ubuntu 10.10. But until now ...
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2k views

Script to find out differences between local and remote file systems over SSH

I am looking for a script to find out the differences between a local and remote file systems (over SSH). Ideally the script should do the following: -browse the local file system for folders -find ...
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350 views

Is it possible to configure cloud without virtualization?

I have learned that cloud computing provides computation, software, data access, and storage services and virtualization is mandatory for cloud computing. I have also found in some places that there ...
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2answers
455 views

Interactive two panels diff for *nix console?

Could you please advise me about interactive two panels diff tool, something like http://www.sourcegear.com/diffmerge/, but for *nix console/ncurses or maybe somebody knows how DiffMerge can be run ...
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2answers
99 views

Only show what's new in a file

I want to find out what was added to a log file between 2 tasks. Right now the way I do it is: content of test.log initially aaa bbb saving content of the log $ cp test.log test.log.before ...
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3answers
682 views

Parsing a diff file using grep/awk

I'm trying to parse a standard diff of some sql files to return only the delete sections. I have been using grep with the after context (-A) which almost works (only because I know that delete ...
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5answers
2k views

Comparing OS configuration of two RHEL servers

What is the best way to compare the OS configuration of two (or more) RHEL 5.X servers? Are there any tools/packages available to do this? Note, I am mostly looking for tunables OS (kernel ...
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4answers
192 views

Diff for a locally modified package in Ubuntu

If I modify the source code of some package that I've installed with apt-get in Ubuntu, is there some package tool that will let me see the diff between what was the original installation and my ...
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1answer
567 views

Administrator and Administrators Group difference Windows Server 2008 and 2008 R2

Sorry if this question is not unique. 1) Is there any difference in permissions between a user in Administrators GROUP and USER Administrator. 2) If they differ, are this differences the same for ...
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83 views

Some copied files have additional blank lines

In the process of comparing files between 2 versions of an application i've noticed that a number of files seem to have gained additional blank lines throughout the file. These files were never ...
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1answer
209 views

What are the differences between a server and regular edition of windows? [duplicate]

Possible Duplicate: How is Windows Server different from regular Windows? What are the differences between a server edition of windows (such as Windows Server 2008) and a regular version of ...
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3k views

Compare two folder content

How can I compare two folder content under linux. I'm using diff but I want to display only the files with the same names.
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376 views

VirtualBox Differencing Disk Sizes

I've recently started trying to use VirtualBox for my new machine so I can prevent the base OS from any artifacts/etc. I've created a Base OS and removed the drive, marked it as immutable, and ...
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1answer
387 views

Help with diffs - Neither WebSVN or OpenGrok are diffing

I'm having issues which may or may not be related (excuse the vagueness). In Web SVN, I can't select multiple revisions and compare - when I hit compare, I get a page with nothing on it other than ...
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2answers
2k views

How to export a specific virtualbox snapshot as a raw disk image

I created a Linux appliance for my friends. It's a small Ubuntu installation with Trac, lighthttp and ufw configured. I made it using VirtualBox. Now I want to export the latest snapshot version ...
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3answers
380 views

How to use bzdiff to find difference between 2 bzipped files with diff -I option?

I'm trying to do a diff on MySQL dumps (created with mysqldump and piped to bzip2), to see if there are changes between consecutive dumps. The followings are the tails of 2 dumps: tmp1: /*!40101 SET ...
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374 views

finding a group of string common in two files

I have used diff command in past.I faced a situation to which I did not had a clue here are some text strings (which can be stored in a file) CONFIG_XEN=y CONFIG_XEN_PVHVM=y ...
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2answers
1k views

Is there a diff/merge utility to compare binary files and synchronize data bit-by-bit in either direction based on differences in binary data?

I have a tricky dilemma. I've got some files on two different destination drives, copied from the same source drive. The source drive had been failing, so I used dd to copy over the data to one ...
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1answer
58 views

Unable to apply patch generated with diff on SunOS server

I generated a patchfile of 2 directories using this command: diff -ur source-20110125 source > mailpatch3.patch Now I would like to apply the patch, doing this: patch -p1 < mailpatch3.patch ...
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617 views

What is the difference between a hub and a switch?

I'm sneeking around online store for used stock of hubs, routers and switches for a project I have to build a network infrastructure. So far, I have bought: 1x Cisco 2514 Router; 5x Cisco Serial ...
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1answer
326 views

diff variables within a script

I realize that the diff command is reserved for directories/files, but I've seen it being able to read from standard input, so that's not necessarily true. Is it possible to somehow compare two ...
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1answer
113 views

Are there any performance difference between Microsoft SQL server 2008 Editions

I always wonders this. For example you are using Microsoft SQL server 2008 web edition. It supports your hardware fully. And you upgraded it to Datacenter edition. would there be any performance ...
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1answer
224 views

Bacula and send file list to RunAfterJob script

I have Bacula backup server. And I run sripts before and after backuping, using RunBeforeJob and RunAfterJob. Can I send to script in "RunAfterJob" parameter contained list of backuped files?
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3k views

How to compare/diff ACLs on two directory trees?

I have two directory trees that are supposedly copies of each other. I need to compare not the contents of files but the permissions on them. Is there a tool that will compare two dir trees but ...
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1answer
694 views

diff command for comparing files more than 2GB in solaris?

how to run recursively diff command for comparing files of file size more than 2GB in solaris?
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2answers
13k views

Difference between KVM and QEMU

I have been reading about them for sometime. As of now I have a clear understanding of what they do. KVM supports hardware virtualization to provide near native performance to the Guest Operating ...
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1answer
699 views

How to convert an rdiff delta file to a regular diff?

I need to diff two very large files, far too large for diff to handle. rdiff can produce a delta file for them in a few seconds, but I'd like to have a real diff as output. Is there an existing way of ...