Hi! Thank you so much!
It already installed. root@marcelo:~# apt search linux-headers-$(uname -r) Sorting... Pronto Full Text Search... Pronto linux-headers-5.4.0-4-amd64/testing,unstable,now 5.4.19-1 amd64 [installed,automatic] Header files for Linux 5.4.0-4-amd64 root@marcelo:~# -- Marcelo
