Vasil Velichkov

> For commands to work, do you need to do something beforehand? You need the `apt` repositories to be configured correctly and that's why I've asked for the full output...

> Linux version: 4.19.0-kali3-amd64 This is the kernel version and not the Kali verison, see https://www.kali.org/kali-linux-releases/. It seems you are somewhere between `Kali 2018.4` and `Kali 2019.1`. How did you...

Could you provide the full output of the commands I've asked in the previous posts? Try running `apt-get upgrade`

> Package files: > 100 /var/lib/dpkg/status > release a=now > Pinned packages: It seems you don't have any repository in `/etc/apt/sources.list`. How did you install Kali? Are you using a...

> I use linux installed on virtual box. Could you please be more specific and provide a link to the image you have downloaded and all the commands that you...

> Ign:2 https://download.docker.com/linux/debian kali-rolling InRelease Err:3 https://download.docker.com/linux/debian kali-rolling Release Have you tried to install docker and if yes how? Try to disable the docker apt repository as they don't provide...

> How to install docker? You don't have to. Somehow you have added docker repositories so I thought you have tried to install it. Remove all docker repositories from the...

> > > How to install docker? > > > > > > You don't have to. Somehow you have added docker repositories so I thought you have tried to...

Here are some video tutorials: https://www.youtube.com/watch?v=tl3fc6rzMQo&list=PLRovDyowOn5F_TFotx0n8A79ToZYD2lOv&index=3 https://www.youtube.com/watch?v=LHxFL2eqBko&list=PLRovDyowOn5F_TFotx0n8A79ToZYD2lOv&index=4 https://www.youtube.com/watch?v=ZGVwRxwhv-c&list=PLRovDyowOn5F_TFotx0n8A79ToZYD2lOv&index=5

> root@kali:# echo "deb http.kali.org/kali kali-rolling main contrib non-free" » /etc/apt/sources.list This line is incorrect, it seems you didn't copy-pasted the command but retyped it put an incorrect symbol `»`...