Install aptitude .

install_aptitude.txt

$ sudo apt-get -y install aptitude




########################################################
# aptitude cheet sheet ref
## http://www.garunimo.com/program/linux/aptitude.xhtml

# help
$ aptitude help

# search pkg
$ aptitude search here-is-query

# show pkg info
$ aptitude show here-is-pkg
# If you show pkg info verbosely, add option -v (verbose level is 1 or 2)
$ aptitude show -v here-is-pkg

# install pkg
$ aptitude install here-is-pkg

# remove pkg
$ aptitude remove here-is-pkg

# remove pkg and its config file
$ aptitude purge here-is-pkg

# reinstall pkg
$ aptitude reinstall here-is-pkg

# update pkgs info and upgrade all pkgs
$ aptitude update
$ aptitude safe-upgrade

# remove cached pkgs which you can't install yet 
$ aptitude autoclean