Error like this :
The following signatures were invalid: KEYEXPIRED 1517583136 Kali Linux Repository
Or like this :
The following signatures were invalid: EXPKEYSIG ED444FF07D8D0BF6 Kali Linux Repository
Solution is in video. Follow step as shown.
Article and command link here : https://bhudki.com/2018/12/13/solved-...
[Solved] The following signatures were invalid | Kali Linux | apt-get update Fix.
Music in background :
Cephalopod Kevin MacLeod (incompetech.com) Licensed under Creative Commons: By Attribution 3.0 License http://creativecommons.org/licenses/b...