Ubuntu :: Verify Two File Are Exactly The Same?

Sep 1, 2011

I have a large file that I copied. (very large).What is the best way to verify the copy is an exact match?md5sum or is there better?

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General :: How To Verify If The File Is Binary Or Text Without To Open The File

Sep 7, 2010

how to verify if the file is binary or text without to open the file

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Ubuntu :: Verify A Multi-volume 7z Archive File

Jan 7, 2010

I used 7z to create a multi-volume 7z archive file with 0 compression rate. with this command:

7z a -t7z -v1g -mx0 /home/movies/documents.7z /home/documents
a stands for add
t stands for type definition
7z stands for 7z archive type


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Ubuntu Servers :: Verify What IP Address Created What File

Jun 10, 2010

I know the who belongs to the IP address that created the file. (is there any way to verify what IP address created what file?) My concern is that it did not come from the address specified. I found this in /tmp/udp.pl.


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OpenSUSE :: MD5 Hashcheck - Check And Verify Downloaded File

Aug 5, 2010

Is there a program available which will check and verify a downloaded file. Ubuntu has gtkhash and Mandriva uses Parano. I know how to Md5 using the command line, but gui software would be a bonus.

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Debian Installation :: "Signing Keys" / Verify The File With MD-5, SHA-256?

Mar 31, 2011

Anyone attempting to install Debian Squeeze from CD-1, or Debian-live DVD will want to know how to verify the file with MD-5, SHA-256 and (available for some versions only) SHA-512 checksums of the iso images, using the appropriate signing key. But there are no instructions that I can find in the Debian CD FAQ, which simply points users at the archive keyring. Now according to this message, as of 9 Feb 2011 the Debian Squeeze archive signing key has fingerprint 9FED 2BCB DCD2 9CDF 7626  78CB AED4 B06F 4730 41FA

The Debian signing key website gives the archive signing key as the master key, and (this addresses the problem I raised elsewhere) even makes it available via https. That sounds good! Just one problem: the detached signatures for files such as url

which gives the SHA-256 sum for url

have been signed with a different key, which has fingerprint DF9B 9C49 EAA9 2984 3258  9D76 DA87 E80D 6294 BE9B

No wonder I am confused! And it seems that I may not be the only one; others seem to be confused also.

If no-one at the Debian mailing list can explain what is going on, I have little hope that anyone here will be able to clear this up, but I'll ask anyway: what are all the Debian related GPG keys and where do you find them all? is it true that there are different keys needed to verify CD iso images and debs? (And... what else?) where do you go to obtain all the lastest Debian keys via https? (This is important as it can hinder MITM attacks by lone crackers, assorted crooks, maybe even state actors, etc.; the "Comodogate" story provides clear evidence that there are people or organizations interested in mounting MITM attacks on persons downloading open-source software). in particular, it is sometimes convenient to use a live-CD to download an iso image (for example, when you no longer trust the system you are trying to upgrade!) and then one wants to use GPG to check the file with the checksum, so one needs to quickly locate and import into the GPG keyring of the (temporary) live-CD session the correct key; so where can I find the CD-signing key availalble via https? shouldn't the CD FAQ explain all this?

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Ubuntu :: Is There A Way That Can Verify That TRIM Is Working?

Aug 26, 2010

I have an OCZ Vertex SSD...the 30GB variety. recently I upgraded my kernel to 2.6.33. I have read that that is all that is needed in order for trim to just start working. Is there a way that I can verify that TRIM is working?I'm debating getting the Vertex2 100GB model because I love my SSD now, but would love to have a little more storage space. I just don't want to buy it without TRIM working.

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Ubuntu :: Md5 Hash Of HD - Verify Exact Copy?

Oct 19, 2010

I am in the process of cloning a HD. Before I wipe the original drive I was wondering if there was a tool to create something like a md5 hash of the entire drive to verify that I have an exact copy. It does not necessarily have to be an md5 hash and any command line BASH options would work for me as well.

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Ubuntu :: Verify Integrity Of Installed Packages?

Dec 16, 2010

I am experiencing some strange behaviour with sound, and I have been messing around with installing some ALSA drivers. I suspect that I might have corrupted some part of the installed Ubuntu packages. Is there a way to check all the packages on the system for integrity using apt-get or similar?

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Ubuntu :: Supplied To Verify The Integrity Of A Downloaded Iso?

May 28, 2011

I am not able to find any information to verify a downloaded .iso file for security and integrity at [URL]../download/ubuntu/download .Are they supplied elsewhere?

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Debian :: How To Verify The Squeeze CD-1 Iso

Mar 26, 2011

I have been trying to figure out some way of installing Squeeze with some assurance that the new installation won't be pwned from Day One--- and so far I have had no success. Even worse, I have been having some strange problems using SSL in my existing Lenny installation which has been further hampering my efforts. And which may be consistent with the hypothesis that I am in fact being subjected to an on-going MITM attack when I try to install Squeeze over the net. This possibility has encouraged me to keep trying to take reasonable steps to ensure that key binaries in my forthcoming Squeeze have not been tampered with by the time I finish the initial installation. I am seeking steps that can be taken by an average user willing to follow directions written by an expert user.

I found a very interesting recent Debian Security mailing list thread which articulates some of the same concerns that I tried to express several weeks ago. The scenarios which concern Naja Melan and myself (and ???) should not simply be dismissed as too implausible to be worth trying to prevent. I think Melan's thread is rather prescient in view of "Comodogate":http://arstechnica.com/security/news/20 ... estion.ars https://www.eff.org/deeplinks/2011/03/i ... lent-https http://www.wired.com/threatlevel/2011/0 ... ompromise/ http://www.theregister.co.uk/2011/03/23 ... forgeries/ http://blogs.comodo.com/it-security/dat ... ompromise/ http://www.techeye.net/security/firefox ... rtificatesOne of the fake certs acquired by the bad guys would have enabled them to mount a MITM attack on anyone trying to install updates to Iceweasel/Firefox add-ons via addons.mozilla.org, which I think certainly suggests that the alleged state actor intended to tamper with at least some software.

(EDIT: important new developments in that story:http://erratasec.blogspot.com/2011/03/c ... festo.html http://www.thetechherald.com/article.ph ... y-attacker http://www.theregister.co.uk/2011/03/28 ... aks_cover/ http://arstechnica.com/security/news/20 ... o-hack.arsBriefly, an anon who claims to be Iranian and who claims to have acted alone, and who suggests that he has some connection with political dissidents inside Iran, has claimed to have been the Comodo affiliate cracker. At least one pentester finds the claim plausible. It woudl explain several aspects of the breach which did not appear consistent with Comodo's conclusion that the breach was sponsored by the Iranian government.)

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OpenSUSE :: Verify If PHP Is In CGI Mode?

Jun 16, 2011

As part of the troubleshooting process for my web application, I was told to find out through PHPinfo if PHP is running in CGI mode. I have my phpinfo page up, but I'm not sure what I should be looking for.

I'm running opensuse 11.4

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Security :: Verify FF Add-on Is Using Tor/Privoxy?

Mar 10, 2010

Mint 8 (Ubuntu 9.10, Karmic Koala), FF 3.5.8 with noscript, betterprivacy, ghostery, torbutton Complete newbie regarding wireshark or netactview but I was advised to try one of these to determine if a Firefox add-on was using Tor.

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General :: Backup - Any Copy And Verify Command In Ubuntu?

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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Ubuntu Networking :: Verify Whether A USB Device Is Recognized As A Modem?

Mar 4, 2010

I am running Ubuntu 9.10 KK (UNR) on my Netbook and I use the Huawei E5830 as UMTS modem. I can connect to the E5830 through WiFo (no problem at all) and USB. How can I verify whether the E5830 is recognized as modem when connecting it to USB? It changes the mode from USB storage device to USB modem, however I think I can not access it as a modem.

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Ubuntu :: Small Tool To Verify A Burned Disk?

Mar 10, 2010

I'm looking for a small terminal tool to verify a burned disc and compare it to an iso file.

I googled for verify burned disc/dvd - no mateches.

There is a thread, which tells how to do it in k3Burn - but I need it on terminal to use it with ssh.

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Ubuntu :: Md5sum - Fast Way To Verify Huge Files

Oct 29, 2010

I'm looking for a fast way to verify a copy of a folder with 150Gigs of data, in 33 files. Some of the files are a few kb, while a few are 20-30Gigs. I've done a file count, which is quick, but doesn't verify that all the files are intact. I tried running md5sum on them, which works, but will probably take as long as copying the files in the first place. Diff works too, but is slow too.

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Ubuntu Security :: Broke Into Computer - Verify Attack?

Dec 28, 2010

mpg123 suddenly started playing a police siren occationly. I checked the process once I heard it, and root was the process owner. How could this happen? Have someone broke into my computer? If so - how could I verify an attack? I run Ubuntu 9.10.

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Fedora :: Verify The Download Of The Iso-files?

Dec 7, 2009

I'm having trouble understanding how to verify the download of the Fedora iso-files. know how to do this on a Windows system. I have been looking in the help section for checking the iso-files, but I'm not sure where to find the right hashes, like MD5, SHA1, and etc.

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Fedora :: Get Openssl To Verify A Certificate?

Jan 8, 2011

I am trying to get openssl to verify a certificate. I will walk you through what I have done so far.

1. openssl genrsa -des3 -out connect.mydomain.com.key 2048
2. openssl req -new -key connect.mydomain.com.key -out connect.mydomain.com.csr
3. Bought an SSL from GoDaddy.
4. Submitted my CSR
5. Downloaded sf_bundle.crt (CA File I presume)
6. Downloaded connect.mydomain.com.crt

Now I can do the following: [root@server tls]# openssl verify -CAfile sf_bundle.crt connect.mydomain.com.crt
connect.mydomain.com.crt: OK This is specifying the CAfile.


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Red Hat / Fedora :: How To Verify The Root Password

May 26, 2010

I want to verify the root password. I am using rPath linux and my use case is like this: 1. There is screen in my application through which user can change the root user's password. He provides 2 information in the screen

i. existing password
ii. new password

2. I use a shell script in the back end that uses the "passwd" command to do it. And it doesn't ask for the existing password. But, my business use case is if user enters wrong existing password, I should not reset the password and throw some error message. How do I verify the existing root user's password? And also keep in mind that I am already in that linux box (logged in as root). Also let me now if there is any smarter way of doing it other than "passwd" command.

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General :: Scp Automatically Verify Data Sent?

Apr 27, 2010

If I send data via scp, will scp automatically verify that the received data matches the sent data? I can do it manually with md5sum, but is that necessary?

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General :: How To Verify Cronjobs For User Run - Not

Mar 10, 2011

How to verify that Cronjobs schuled for the user has run or not ?

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Programming :: Javascript To Verify Correct URL?

May 31, 2011

Lets say I have a site "Website1.com"

On that site I want to run a little javascript that verifies that the site was accessed as "Website1.com" and not "dev-Website1.com"

If it was accessed correctly, nothing happens. If it was accessed incorrectly, it displays an error saying "You are trying to access this site incorrectly."

What is the simplest way to accomplish this?

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Slackware :: Gpg --verify Multiple Files?

Jun 22, 2011

All of the discussion about slackware and kde prompted me to rsync alien's kde 4.6 packages (thanks for these by the way!).Each directory contains the .txz packages and associated .asc (all same signature)and md5s.I want to avoid doing gpg --verify whatever.asc individually for multiple files. Likewise for md5sum -c whatever.md5.Can anyone tell me a nice way of running run gpg --verify and md5sum on all files in the directory? I have been playing with wildcards but can't get it right.

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Ubuntu Servers :: Verify That Mail Server Is Not An Open Relay?

Apr 16, 2011

I'm setting up a mailserver for my domain.I'm seeing relay rejections in the mail.logbut I'd like to have external validation that nothing bad is exiting the domain beforeI wind up on blacklists

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Ubuntu :: Finding Information Supplied To Verify A Downloaded .iso For Security?

May 28, 2011

I searched Using my User Name and did not find the post post made for this problem.Still the search using the User name does not return the first post or this.

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OpenSUSE :: Way To Verify That Cronjobs Are Working Properly?

Sep 6, 2010

I have a web application that I am trying to upgrade. Part of their upgrade process involves using a migration tool to transfer data from one version to another. This tool relies on cronjobs for it to function.According to them, the migration is not working because my cronjobs are not working properly.Is there a way to verify this?Below is what I had to paste in my crontab:MAILTO=webmaster@mymailhost.com* * * * * cd /srv/www/whiterhino/d7/periodic; /usr/bin/php -q cron.php

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General :: Verify That 6 GB/s SATA Ports Are Working?

Dec 13, 2010

How do I verify that my 6 GB/s SATA ports are working under Linux?

Linux detects the ports, and I can use them for disks but I would like to figure out if they are using a 6 GB/s controller/driver instead of the slower, more common speed.

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Networking :: Verify Machine Which Is Converted Into A Router?

Jun 10, 2010

I have enabled IP Forwarding in my linux machine by using the commandsysctl -w net.ipv4.ip_forward=1. But I dont see any difference in routes when I type the route command before and after changing this value.Do you guys have any solution to verify the packet forwarding, but using this single linux machine only? Of course, I verified the net.ipv4.ip_forward=1 value. But I need to verify by transmitting orreceiving packets

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