cd /usr/share/metasploit-framework/ ; bundle install
Don't run Bundler as root. Bundler can ask for sudo if it is needed, and
installing your bundle as root will break this application for all non-root
users on this machine.
Warning: the running version of Bundler is older than the version that created the lockfile. We suggest you upgrade to the latest version of Bundler by running `gem install bundler`.
Fetching gem metadata from https://rubygems.org/.........
Fetching version metadata from https://rubygems.org/...
Fetching dependency metadata from https://rubygems.org/..
Warning: the running version of Bundler is older than the version that created the lockfile. We suggest you upgrade to the latest version of Bundler by running `gem install bundler`.
Installing rake 11.1.2
Installing i18n 0.7.0
Installing json 1.8.3 with native extensions
Installing minitest 5.8.4
Installing thread_safe 0.3.5
Installing tzinfo 1.2.2
Installing activesupport 4.2.6
Installing builder 3.2.2
Installing erubis 2.7.0
Installing mini_portile2 2.0.0
Installing nokogiri 1.6.7.2 with native extensions

Gem::Ext::BuildError: ERROR: Failed to build gem native extension.

    /usr/bin/ruby2.2 -r ./siteconf20160624-6114-tqtmnm.rb extconf.rb
checking if the C compiler accepts ... yes
Building nokogiri using packaged libraries.
Using mini_portile version 2.0.0
checking for gzdopen() in -lz... no
zlib is missing; necessary for building libxml2
*** extconf.rb failed ***
Could not create Makefile due to some reason, probably lack of necessary
libraries and/or headers.  Check the mkmf.log file for more details.  You may
need configuration options.

Provided configuration options:
    --with-opt-dir
    --without-opt-dir
    --with-opt-include
    --without-opt-include=${opt-dir}/include
    --with-opt-lib
    --without-opt-lib=${opt-dir}/lib
    --with-make-prog
    --without-make-prog
    --srcdir=.
    --curdir
    --ruby=/usr/bin/$(RUBY_BASE_NAME)2.2
    --help
    --clean
    --use-system-libraries
    --enable-static
    --disable-static
    --with-zlib-dir
    --without-zlib-dir
    --with-zlib-include
    --without-zlib-include=${zlib-dir}/include
    --with-zlib-lib
    --without-zlib-lib=${zlib-dir}/lib
    --enable-cross-build
    --disable-cross-build

extconf failed, exit code 1

Gem files will remain installed in /usr/share/metasploit-framework/vendor/bundle/ruby/2.2.0/gems/nokogiri-1.6.7.2 for inspection.
Results logged to /usr/share/metasploit-framework/vendor/bundle/ruby/2.2.0/extensions/x86-linux/2.2.0/nokogiri-1.6.7.2/gem_make.out
An error occurred while installing nokogiri (1.6.7.2), and Bundler cannot
continue.
Make sure that `gem install nokogiri -v '1.6.7.2'` succeeds before bundling.
root@kali:/usr/share/metasploit-framework# msfconsole
Could not find nokogiri-1.6.7.2 in any of the sources
Run `bundle install` to install missing gems.
root@kali:/usr/share/metasploit-framework#