How to change hostname in kali linux live with persistence

How to change  hostname in kali linux live with persistence 
1.frist all of open terminal in kali  linux 

2. after type cd  space /etc ( cd /etc) and press enter

3. after then type ls command (ls)

4. aften then type leafpad hostname  open in text editor (like thats leafpad , nano)

5.your hostname open in leafpad text editor replace "kali " and add anyware name 

5.after restart your pc  and fun