narayan@NarayanPC:~/Downloads$ install firmware-realtek
Reading package lists... Done
Building dependency tree
Reading state information... Done
firmware-realtek is already the newest version.
You might want to run 'apt-get -f install' to correct these:
The following packages have unmet dependencies:
 libc-dev-bin : Depends: libc6 (< 2.14) but 2.17-3 is to be installed
 libc6 : Breaks: locales (< 2.17)
 libc6:i386 : Breaks: locales (< 2.17)
 libc6-dev : Depends: libc6 (= 2.13-38) but 2.17-3 is to be installed
 libc6-dev:i386 : Depends: libc6:i386 (= 2.13-38) but 2.17-3 is to be installed
                  Recommends: gcc:i386 but it is not going to be installed or
                              c-compiler:i386
 libc6-i386 : Depends: libc6 (= 2.13-38) but 2.17-3 is to be installed
 libc6-i686:i386 : PreDepends: libc6:i386 (= 2.13-38) but 2.17-3 is to be installed
 locales : Depends: glibc-2.13-1
E: Unmet dependencies. Try 'apt-get -f install' with no packages (or specify a solution).
narayan@NarayanPC:~/Downloads$ sudo apt-get -f install
Reading package lists... Done
Building dependency tree
Reading state information... Done
Correcting dependencies... Done
The following packages were automatically installed and are no longer required:
  gir1.2-gtk-2.0 gir1.2-javascriptcoregtk-1.0 gir1.2-notify-0.7 gir1.2-webkit-1.0
  libcairo-script-interpreter2 libdbus-1-dev libffi-dev libjavascriptcoregtk-1.0-dev
  libpcrecpp0 libpixman-1-dev libpthread-stubs0 libpthread-stubs0-dev
  libspice-protocol-dev libspice-server1 libssl-doc libtinfo-dev libx11-dev libxau-dev
  libxcb-render0-dev libxcb-shm0-dev libxcb1-dev libxcomposite-dev libxcursor-dev
  libxdamage-dev libxdmcp-dev libxext-dev libxfixes-dev libxi-dev libxinerama-dev
  libxrandr-dev libxrender-dev pkg-config x11proto-composite-dev x11proto-damage-dev
  x11proto-fixes-dev x11proto-input-dev x11proto-kb-dev x11proto-randr-dev
  x11proto-render-dev x11proto-xext-dev x11proto-xinerama-dev xtrans-dev xulrunner-10.0
Use 'apt-get autoremove' to remove them.
The following packages will be REMOVED:
  build-essential dh-autoreconf g++ g++-4.7 lib32asound2 lib32z1 libatk1.0-dev
  libc-dev-bin libc6-dev libc6-dev:i386 libc6-i386 libc6-i686:i386 libcairo2-dev
  libexpat1-dev libfontconfig1-dev libfreetype6-dev libgconf2-dev libgdk-pixbuf2.0-dev
  libgirepository1.0-dev libglade2-dev libglib2.0-dev libgtk-3-dev libgtk2.0-dev
  libicu-dev libjson-glib-dev libncurses5-dev libnotify-dev libpango1.0-dev libpcre3-dev
  libpeas-dev libpng12-dev libreoffice-help-pt libreoffice-l10n-pt libsoup2.4-dev
  libspice-client-glib-2.0-dev libspice-client-gtk-3.0-dev libspice-server-dev
  libsqlite3-dev libssl-dev libstdc++6-4.7-dev libtool libunique-dev libusb-dev
  libwebkitgtk-3.0-dev libwebkitgtk-dev libxft-dev locales teamviewer zlib1g-dev
0 upgraded, 0 newly installed, 49 to remove and 0 not upgraded.
1 not fully installed or removed.
After this operation, 307 MB disk space will be freed.
Do you want to continue [Y/n]?