Ubuntu: Getting “'file' is different from the same file on the system” when I attempt to update through synaptic



Question:

Encountered an error while updating through Synaptic Manager. Subsequent updates gave the error at the bottom of the output. I'm a noob so any help is appreciated.

al@al:~$ sudo apt-get -f upgrade  Reading package lists... Done  Building dependency tree         Reading state information... Done  Correcting dependencies... Done  The following NEW packages will be installed:    libjack-jackd2-0:i386  The following packages have been kept back:    linux-headers-generic skype  0 upgraded, 1 newly installed, 0 to remove and 2 not upgraded.  Need to get 0 B/202 kB of archives.  After this operation, 493 kB of additional disk space will be used.  Do you want to continue [Y/n]? y  (Reading database ... 310056 files and directories currently installed.)  Unpacking libjack-jackd2-0:i386 (from .../libjack-jackd2-0_1.9.8~dfsg.2-1precise1_i386.deb) ...  dpkg: error processing /var/cache/apt/archives/libjack-jackd2-0_1.9.8~dfsg.2-1precise1_i386.deb (--unpack):   './usr/share/doc/libjack-jackd2-0/buildinfo.gz' is different from the same file on the system  dpkg-deb: error: subprocess paste was killed by signal (Broken pipe)  Errors were encountered while processing:   /var/cache/apt/archives/libjack-jackd2-0_1.9.8~dfsg.2-1precise1_i386.deb  E: Sub-process /usr/bin/dpkg returned an error code (1)  


Solution:1

Specific answer

Try these commands in a terminal:

sudo dpkg -r libjack-jackd2-0  sudo apt-get -f install  sudo apt-get update  sudo apt-get upgrade  

The commands remove the offending file, attempts to fix the broken dependency and updates your system.


General answer

Errors were encountered while processing:
/var/cache/apt/archives/libjack-jackd2-0_1.9.8~dfsg.2-1precise1_i386.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)

If you are getting an E: Sub-process /usr/bin/dpkg returned an error code (1) (Should be error code (1)), you can attempt to fix this with the following things in mind:

  • Take note of the package name after /var/cache/apt/archives/. In this case, the filename is libjack-jackd2-0_1.9.8~dfsg.2-1precise1_i386.deb, so the package name is libjack-jackd2-0 (take the filename up until the first '_', generally). With these in mind, just run the following commands:

    sudo dpkg -r libjack-jackd2-0  sudo apt-get -f install  sudo apt-get update  sudo apt-get upgrade  


Solution:2

Yeah, I know this question is already answered and the answer is maked as accepted.

However I know another solution.

rm /usr/share/doc/libjack-jackd2-0/buildinfo.gz  

This would solve conflict and dpkg -i /path/to/deb/file.deb would be run successfully.


Note:If u also have question or solution just comment us below or mail us on toontricks1994@gmail.com
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