TL;DR: Dear Kali user, when you have a moment, check your
/etc/apt/sources.list, and add
non-free-firmware if ever it’s missing.
Programmatically speaking:
kali@kali:~$ sudo sed -i 's/non-free$/non-free non-free-firmware/' /etc/apt/sources.list
Long story now.
As you might know already, Kali Linux is a Debian-based Linux distribution. As such, it inherits a number of things from Debian, and in particular, the structure of the package repository.
For anyone familiar with Kali, you already know that the package
repository is split into different archive areas (also
called components). Historically, there’s always been 3
components: main, contrib and
non-free. However, this changed last year, when
Debian introduced a new component called
non-free-firmware.
Kali Linux followed suite, and introduced the
non-free-firmware component back in version 2023.1. However, so far it’s been empty, and firmware
were still part of the non-free component. This
changed last week: firmware are now located in the
non-free-firmware component. In practice, it means
that non-free-firmware must be enabled in your
/etc/apt/sources.list, otherwise firmware would not get
updated when you run your favorite command apt update &&
apt full-upgrade.
For anyone who installed Kali post 2023.1,
non-free-firmware is already enabled in your
sources.list. But it does not hurt to check, so here’s
how it should look like:
kali@kali:~$ cat /etc/apt/sources.list
deb http://http.kali.org/kali kali-rolling main contrib non-free non-free-firmware
If ever non-free-firmware is missing, please edit
the file /etc/apt/sources.list to add it. Or, just do
it with this one-liner:
kali@kali:~$ sudo sed -i 's/non-free$/non-free non-free-firmware/' /etc/apt/sources.list
Then complete the job with the traditional sudo apt
update. No error? You’re done.
Thanks for your attention!
Read more https://www.kali.org/blog/non-free-firmware-transition/

