Quando corro apt-get update
ottengo
Ign:1 http://dl.google.com/linux/musicmanager/deb stable InRelease
Ign:2 http://archive-4.kali.org/kali kali-rolling InRelease
Hit:3 http://archive-4.kali.org/kali-security sana/updates InRelease
0% [3 InRelease gpgv 11.9 kB] [Waiting for headers] [Waiting for headers]Couldn't create tempfiles for splitting up /var/lib/apt/lists/security.kali.org_kali-seErr:3 http://archive-4.kali.org/kali-security sana/updates InRelease
Could not execute 'apt-key' to verify signature (is gnupg installed?)
Hit:4 http://archive-4.kali.org/kali sana InRelease
0% [4 InRelease gpgv 20.3 kB] [Waiting for headers]Couldn't create tempfiles forErr:4 http://archive-4.kali.org/kali sana InRelease_dists_sana_InRelease
Could not execute 'apt-key' to verify signature (is gnupg installed?)
Get:5 http://archive-4.kali.org/kali kali-rolling Release [23.7 kB]
Get:6 http://archive-4.kali.org/kali kali-rolling Release.gpg [819 B]
0% [6 Release.gpg gpgv 23.7 kB] 3,846 B/s 0smktemp: failed to create directory via template '/tmp/tmp.XXXXXXXXXX': Permission denied
Err:6 http://archive-4.kali.org/kali kali-rolling Release.gpg
At least one invalid signature was encountered.
Hit:7 http://dl.google.com/linux/musicmanager/deb stable Release
80% [Release.gpg gpgv 1,345 B]mktemp: failed to create directory via template '/tmp/tmp.XXXXXXXXXX': Permission denied
Err:8 http://dl.google.com/linux/musicmanager/deb stable Release.gpg
At least one invalid signature was encountered.
Reading package lists... Done
W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://archive-4.kali.org/kali-security sana/updates InRelease: Could not execute 'apt-key' to verify signature (is gnupg installed?)
W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://archive-4.kali.org/kali sana InRelease: Could not execute 'apt-key' to verify signature (is gnupg installed?)
W: GPG error: http://archive-4.kali.org/kali kali-rolling Release: At least one invalid signature was encountered.
E: The repository 'http://http.kali.org/kali kali-rolling Release' is no longer signed.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://dl.google.com/linux/musicmanager/deb stable Release: At least one invalid signature was encountered.
Non ho idea di come sia successo o come risolverlo. Ho installato gnupg, gnupg-agent, gnupg-pkcs11-scd, gnupg2, gnupg-curl, gnupg-pkcs11-scd-dbg.