Step 1 : Download postman from : https://www.getpostman.com/downloads/
Step 2 : Open terminal : #cp -r /home/jaydip/Downloads/Postman/ /usr/local/
Step 3 : #sudo nano /usr/share/applications/Postman.desktop
Step 4 : Paste following text into the terminal screen
[Desktop Entry]
Encoding=UTF-8
Name=Postman
Exec=/usr/local/Postman/app/Postman
Icon=/usr/local/Postman/app/resources/app/assets/icon.png
Terminal=false
Type=Application
Categories=Development;
FYI: Just goto Exec path and check there is Postman available or not?
