1.Add kali repository by using
sudo nano /etc/apt/sources.list
deb http://http.kali.org/kali kali-rolling main non-free contrib
2.Update
sudo apt-get update
3.Add key
sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys ED444FF07D8D0BF6
4.Update again
sudo apt-get update
5.Download by using
sudo apt-get install metasploit-framework -y
6.Run the following
sudo service postgresql start
sudo msfdb init
sudo msfconsole
7.Remove kali repository by using
sudo nano /etc/apt/sources.list
8.Update one more time
sudo apt update
Use : sudo msfconsole
to run metasploit
support : / yahiaghadiry