Timeshift: NO_PUBKEY B5B116B72D0F61F0

[Dude4Linux]

After installing the PPA, apt-get update complains about GPG key.

$ sudo apt-add-repository -y ppa:teejee2008/ppa

gpg: keyring `/tmp/tmp9uubffyr/secring.gpg' created
gpg: keyring `/tmp/tmp9uubffyr/pubring.gpg' created
gpg: requesting key 2D0F61F0 from hkp server keyserver.ubuntu.com
gpg: /tmp/tmp9uubffyr/trustdb.gpg: trustdb created
gpg: key 2D0F61F0: public key "Launchpad PPA for Tony George" imported
gpg: no ultimately trusted keys found
gpg: Total number processed: 1
gpg:               imported: 1  (RSA: 1)
OK

$ sudo apt-get update
... snip ...
Reading package lists... Done
W: GPG error: http://ppa.launchpad.net/teejee2008/ppa/ubuntu xenial InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY B5B116B72D0F61F0
W: The repository 'http://ppa.launchpad.net/teejee2008/ppa/ubuntu xenial InRelease' is not signed.
N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use.
N: See apt-secure(8) manpage for repository creation and user configuration details.

[divanvisagie]

You might want to try running

sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys B5B116B72D0F61F0

[carlosnewmusic]

not work

[lanjos78]

Thank's, it's okay in D9 and D10 instalation.

[PopeRigby]

I'm also getting this error

[divanvisagie]

Is the pub key still the same as in this report or has it changed?

[PopeRigby]

Is the pub key still the same as in this report or has it changed?

Yes.