Kali Linux is Debian based well-known penetration testing distribution , loaded with tons of most popular tools for penetration testing and digital forensics . Today kali linux development team released its next version Kali 2.0 code name ‘sana’ , it now rolling distribution means kali will packages from Debian testing repositories in one words stability with bleeding edge packages .

teaser : https://vimeo.com/132329259

What’s New

new 4.0 kernel
New UI ( GNOME 3 )
Native ruby
metasploit pro removed
NetHunter 2.0
improved wireless driver coverage

along with those , support for a variety of Desktop Environments (gnome, kde, xfce, mate, e17, lxde, i3wm) also added. and one of coolest upstream version checking system is added which check for latest update of the tool , it will run daily for selected list of tools to check whether any update is available or not .

Upgrade

upgrade to latest kali , just edit your /etc/apt/source.list and add these two repositories , as suggested here : https://www.kali.org/releases/kali-linux-20-released/ , and run apt-get dist-upgrade

cat << EOF > /etc/apt/sources.list
deb http://http.kali.org/kali sana main non-free contrib
deb http://security.kali.org/kali-security/ sana/updates main contrib non-free
EOF

apt-get update
apt-get dist-upgrade
reboot

Download

optionally :
CD IMAGES : http://cdimage.kali.org/kali-2.0/

Official Release Blog Post : https://www.kali.org/news/kali-linux-2-release-day-scheduled/