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Key is stored in legacy trusted.gpg keyring (/etc/apt/trusted.gpg)

rated 0 times [ 133] [ 0] / answers: 1 / hits: 55716 / 1 Year ago, mon, december 26, 2022, 2:16:03

I just upgraded from Ubuntu 21.10 to 22.04.

sudo apt update ends with the following warnings...

W: https://linux.teamviewer.com/deb/dists/stable/InRelease: Key is stored in legacy trusted.gpg keyring (/etc/apt/trusted.gpg), see the DEPRECATION section in apt-key(8) for details.

W: http://apt.keepsolid.com/ubuntu/dists/groovy/InRelease: Key is stored in legacy trusted.gpg keyring (/etc/apt/trusted.gpg), see the DEPRECATION section in apt-key(8) for details.

W: http://linux.dropbox.com/ubuntu/dists/disco/Release.gpg: Key is stored in legacy trusted.gpg keyring (/etc/apt/trusted.gpg), see the DEPRECATION section in apt-key(8) for details.

W: http://download.virtualbox.org/virtualbox/debian/dists/hirsute/InRelease: Key is stored in legacy trusted.gpg keyring (/etc/apt/trusted.gpg), see the DEPRECATION section in apt-key(8) for details.

W: http://download.opensuse.org/repositories/home:/IBBoard:/cawbird/xUbuntu_22.04/InRelease: Key is stored in legacy trusted.gpg keyring (/etc/apt/trusted.gpg), see the DEPRECATION section in apt-key(8) for details.

W: http://ppa.launchpad.net/solaar-unifying/stable/ubuntu/dists/jammy/InRelease: Key is stored in legacy trusted.gpg keyring (/etc/apt/trusted.gpg), see the DEPRECATION section in apt-key(8) for details.

W: http://ppa.launchpad.net/team-xbmc/ppa/ubuntu/dists/jammy/InRelease: Key is stored in legacy trusted.gpg keyring (/etc/apt/trusted.gpg), see the DEPRECATION section in apt-key(8) for details.

W: http://ppa.launchpad.net/yannubuntu/boot-repair/ubuntu/dists/jammy/InRelease: Key is stored in legacy trusted.gpg keyring (/etc/apt/trusted.gpg), see the DEPRECATION section in apt-key(8) for details.

Synaptic shows the same warnings on a reload.

Reviewing man apt-key doesn't clarify this for me.

I think this is because Ubuntu 22.04 has transitioned from using /etc/apt/trusted.gpg to using individual .gpg files located in /etc/apt/trusted.gpg.d.

Can these keys be converted from one to the other, or must I delete these keys and reimport them?

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answered 1 Year ago oargrou · Accepted Answer

The easy way to fix these warning messages generated by sudo apt update...

W: https://linux.teamviewer.com/deb/dists/stable/InRelease: Key is stored in legacy trusted.gpg keyring (/etc/apt/trusted.gpg), see the DEPRECATION section in apt-key(8) for details.

W: http://apt.keepsolid.com/ubuntu/dists/groovy/InRelease: Key is stored in legacy trusted.gpg keyring (/etc/apt/trusted.gpg), see the DEPRECATION section in apt-key(8) for details.

W: http://linux.dropbox.com/ubuntu/dists/disco/Release.gpg: Key is stored in legacy trusted.gpg keyring (/etc/apt/trusted.gpg), see the DEPRECATION section in apt-key(8) for details.

W: http://download.virtualbox.org/virtualbox/debian/dists/hirsute/InRelease: Key is stored in legacy trusted.gpg keyring (/etc/apt/trusted.gpg), see the DEPRECATION section in apt-key(8) for details.

W: http://download.opensuse.org/repositories/home:/IBBoard:/cawbird/xUbuntu_22.04/InRelease: Key is stored in legacy trusted.gpg keyring (/etc/apt/trusted.gpg), see the DEPRECATION section in apt-key(8) for details.

W: http://ppa.launchpad.net/solaar-unifying/stable/ubuntu/dists/jammy/InRelease: Key is stored in legacy trusted.gpg keyring (/etc/apt/trusted.gpg), see the DEPRECATION section in apt-key(8) for details.

W: http://ppa.launchpad.net/team-xbmc/ppa/ubuntu/dists/jammy/InRelease: Key is stored in legacy trusted.gpg keyring (/etc/apt/trusted.gpg), see the DEPRECATION section in apt-key(8) for details.

W: http://ppa.launchpad.net/yannubuntu/boot-repair/ubuntu/dists/jammy/InRelease: Key is stored in legacy trusted.gpg keyring (/etc/apt/trusted.gpg), see the DEPRECATION section in apt-key(8) for details.

Note: These warning messages can be generated by any enabled repo or ppa in Software & Updates "Other Software" tab.

Example fix:

For this warning message with sudo apt update...

W: http://ppa.launchpad.net/team-xbmc/ppa/ubuntu/dists/jammy/InRelease: Key is stored in legacy trusted.gpg keyring (/etc/apt/trusted.gpg), see the DEPRECATION section in apt-key(8) for details.

We look in sudo apt-key list and find this entry for xbmc...

pub   rsa1024 2009-01-20 [SC]

      1897 01DA 570C 56B9 488E  F60A 6D97 5C47 91E7 EE5E

uid           [ unknown] Launchpad PPA for XBMC for Linux

Then we convert this entry to a .gpg file, using the last 8 numeric characters from above...

sudo apt-key export 91E7EE5E | sudo gpg --dearmour -o /etc/apt/trusted.gpg.d/team-xbmc.gpg

Optionally you can remove the deprecated key from /etc/apt/trusted.gpg by running:

sudo apt-key --keyring /etc/apt/trusted.gpg del 91E7EE5E

Repeat the above commands for each warning message generated by sudo apt update.

Note: Partially taken from the accepted answers here and here.