Warning: apt-key is deprecated during installation

[ha11oga11o]

Hello,

im trying to install this with

add-apt-repository ppa:zhangsongcui3371/fastfetc
apt update
apt install fastfech

But i have "apt-key is deprecated" issue. How, and can i solve this alone?

root@observium ~# add-apt-repository ppa:zhangsongcui3371/fastfetch
 Fastfetch is a neofetch-like tool for fetching system information and displaying them in a pretty way.

https://github.com/fastfetch-cli/fastfetch
 More info: https://launchpad.net/~zhangsongcui3371/+archive/ubuntu/fastfetch
Press [ENTER] to continue or ctrl-c to cancel adding it

gpg: keybox '/tmp/tmpuhgzyolx/pubring.gpg' created
gpg: /tmp/tmpuhgzyolx/trustdb.gpg: trustdb created
gpg: key 7E2E5CB4D4865F21: public key "Launchpad PPA for Carter Li" imported
gpg: Total number processed: 1
gpg:               imported: 1
Warning: apt-key is deprecated. Manage keyring files in trusted.gpg.d instead (see apt-key(8)).
gpg: no valid OpenPGP data found.
root@observium ~# apt update
Hit:1 http://security.debian.org bullseye-security InRelease
Hit:2 http://deb.debian.org/debian bullseye InRelease
Get:3 http://ppa.launchpad.net/zhangsongcui3371/fastfetch/ubuntu oracular InRelease [24.1 kB]
Ign:4 http://archive.turnkeylinux.org/debian bullseye-security InRelease
Ign:5 http://archive.turnkeylinux.org/debian bullseye InRelease
Hit:6 http://archive.turnkeylinux.org/debian bullseye-security Release
Hit:7 http://archive.turnkeylinux.org/debian bullseye Release
Err:3 http://ppa.launchpad.net/zhangsongcui3371/fastfetch/ubuntu oracular InRelease
  The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 7E2E5CB4D4865F21
Reading package lists... Done
W: GPG error: http://ppa.launchpad.net/zhangsongcui3371/fastfetch/ubuntu oracular InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 7E2E5CB4D4865F21
E: The repository 'http://ppa.launchpad.net/zhangsongcui3371/fastfetch/ubuntu oracular InRelease' is not 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.
root@observium ~# apt install fastfech
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
E: Unable to locate package fastfech
root@observium ~#

[CarterLi]

https://www.digitalocean.com/community/questions/signatures-couldn-t-be-verified-because-public-key-not-available

I googled the resolution. I dont know if it works

[ha11oga11o]

No, that does not help. Thanks.

root@observium ~# apt-key adv --keyserver keyring.debian.org --recv-keys 7E2E5CB4D4865F21
Warning: apt-key is deprecated. Manage keyring files in trusted.gpg.d instead (see apt-key(8)).
Executing: /tmp/apt-key-gpghome.bcKci4FvvL/gpg.1.sh --keyserver keyring.debian.org --recv-keys 7E2E5CB4D4865F21
gpg: no valid OpenPGP data found.
gpg: Total number processed: 0
root@observium ~# gpg --keyserver keyring.debian.org --recv 7E2E5CB4D4865F21
gpg --export --armor 7E2E5CB4D4865F21 | sudo apt-key add -
gpg: no valid OpenPGP data found.
gpg: Total number processed: 0
-bash: sudo: command not found
gpg: WARNING: nothing exported
root@observium ~# gpg --keyserver keyring.debian.org --recv 7E2E5CB4D4865F21
gpg --export --armor 7E2E5CB4D4865F21 | apt-key add -
gpg: no valid OpenPGP data found.
gpg: Total number processed: 0
gpg: WARNING: nothing exported
Warning: apt-key is deprecated. Manage keyring files in trusted.gpg.d instead (see apt-key(8)).
gpg: no valid OpenPGP data found.
root@observium ~#

[ha11oga11o]

Am i reading this right here? It seems key expird 07. feb. 2024.

http://keyserver.ubuntu.com/pks/lookup?search=7E2E5CB4D4865F21&fingerprint=on&op=index

[CarterLi]

It's create time, not expire time

[ha11oga11o]

Never the less, installer says its is deprecated. I shared whole console log. I hope it can help to fix so install can go smoothly without fiddling.

Thanks

[CarterLi]

The PPA server is hosted by Ubuntu / Canonical. How can I fix that?