Broken Package on Ubuntu!-Failed to Remove or Fix it

Question

I have a problem. I open the SYNAPTIC PACKAGE MANAGER and an error message appear and show me that there is a BROKEN PACKAGE on my system. I am going to FIX IT on Terminal by typing 'sudo apt-get install -f' and Terminal show me:

Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
Correcting dependencies... Done
The following packages will be REMOVED:
   libc6-dev
0 upgraded, 0 newly installed, 1 to remove and 172 not upgraded.
1 not fully installed or removed.

After this operation, 13.7MB disk space will be freed.
Do you want to continue? [Y/n]? Y
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
    LANGUAGE: = (unset),
    LC_ALL = (unset),
    LANG = "el_GR.UTF-8"
are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C")
Can't exec "locale": No such file or directory at /usr/share/perl5/Debconf/Encoding.pm line 16.

Use of uninitialized value $Debconf::Encoding:charmap in scalar chomp at /usr/share/perl5/Debconf/Encoding.pm line 17.

dpkg: `ldconfig' not found on PATH.
dpkg: 1 expected program(s) not found on PATH.
NB: root's PATH should usually contain /usr/local/sbin, /usr/sbin and /sbin
E: Sub-process /usr/bin/dpkg returned an error code (2)

Answer 1

I don't know what happened, but let's try to satisfy apt:

sudo mkdir -p /var/cache/apt/archives/partial
sudo chown root:root  /var/cache/apt/archives/partial
sudo chmod 755 /var/cache/apt/archives/partial
sudo apt-get update && sudo apt-get install -f

See if works.

Answer 2

Ok, first of all, STOP. Whenever you get a broken package, issuing commands, without understanding what is being done, is VERY BAD IDEA. First of all, lets put your installation the most by default possible:

sudo rename 's/\.list/\.list\.disable/' /etc/apt/sources.list.d/*.list
sudo mkdir -p /var/cache/apt/archives/partial
sudo apt-get update
sudo apt-get -f upgrade
sudo apt-get -f install libc6-dev

Now, lets fix the perl warnings:

sudo locale-gen el_GR.UTF-8

Then lets try to use apt-get -f install:

sudo apt-get -f install

Now, no error should be displayed.

Answer 3

This problem has been solved by installing the conflicting package.

Solution

Download and extract the package manually

apt-get download conflicting-pakage
dpkg -x libc-bin*.deb unpackdir/

Copy the file to your system

sudo cp unpackdir/sbin/ldconfig /sbin/

Make sure the package and package system is in a good state.

sudo apt-get install --reinstall conflicting-pakage
sudo apt-get install -f

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