Common installation issues

A 404 Not Found error from http.kali.org/kali during apt upgrade

1. Check your source list:

• sudo nano /etc/apt/sources.list

• deb http://http.kali.org/kali kali-rolling main non-free non-free-firmware contrib

1. Clean local package lists

• sudo rm -rf /var/lib/apt/lists/*

• sudo apt clean

1. Update again

• sudo apt update

• sudo apt full-upgrade -y

GPG error saying: The repository 'http://http.kali.org/kali kali-rolling InRelease' is not signed

• Download new Kali archive key: sudo curl -fsSL https://archive.kali.org/archive-key.asc | sudo gpg --dearmor -o /etc/apt/trusted.gpg.d/kali.gpg

• sudo apt update