I am running sudo-apt get install openssh-server on Ubuntu 12.04 64 bit system. It is giving me the following output. $ sudo apt-get install openssh-server Reading package lists... Done Building dependency tree Reading state information... Done You might want to run 'apt-get -f install' to correct these: The following packages have unmet dependencies: gcc-4.6 : Depends: libgcc1 (>= 1:4.6.3-1ubuntu5) but 1:4.6.2-14ubuntu2 is to be installed libc6 : Depends: libc-bin (= 2.15-0ubuntu10.1) libc6-dev : Depends: libc6 (= 2.15-0ubuntu10) but 2.15-0ubuntu10.1 is to be installed libgcc1 : Depends: gcc-4.6-base (= 4.6.2-14ubuntu2) but 4.6.3-1ubuntu5 is to be installed libxplc0.3.13:i386 : Depends: libc6:i386 (>= 2.5-5) but it is not going to be installed Depends: libgcc1:i386 (>= 1:4.2-20070516) but it is not going to be installed Depends: libstdc++6:i386 (>= 4.2-20070516) but it is not going to be installed E: Unmet dependencies. Try 'apt-get -f install' with no packages (or specify a solution).