Code: Select all
sudo add-apt-repository ppa:xuzhen666/dockbarx
Latest dockbarx git snapshot build.
https://github.com/M7S/dockbarx/
https://github.com/M7S/xfce4-dockbarx-plugin
More info: https://launchpad.net/~xuzhen666/+archive/ubuntu/dockbarx
Press [ENTER] to continue or ctrl-c to cancel adding it
gpg: keybox '/tmp/tmpbwr1zlgx/pubring.gpg' created
gpg: /tmp/tmpbwr1zlgx/trustdb.gpg: trustdb created
gpg: key 77D026E2EEAD66BD: public key "Launchpad PPA for Xu Zhen" imported
gpg: Total number processed: 1
gpg: imported: 1
gpg: no valid OpenPGP data found.
Code: Select all
sudo apt update
Hit:1 http://ftp.debian.org/debian buster-backports InRelease
Hit:2 http://deb.debian.org/debian stable InRelease
Get:3 http://ppa.launchpad.net/xuzhen666/dockbarx/ubuntu groovy InRelease [17.5 kB]
Hit:4 http://deb.debian.org/debian stable-updates InRelease
Hit:5 http://deb.debian.org/debian-security stable/updates InRelease
Err:3 http://ppa.launchpad.net/xuzhen666/dockbarx/ubuntu groovy InRelease
The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 77D026E2EEAD66BD
Reading package lists... Done
W: GPG error: http://ppa.launchpad.net/xuzhen666/dockbarx/ubuntu groovy InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 77D026E2EEAD66BD
E: The repository 'http://ppa.launchpad.net/xuzhen666/dockbarx/ubuntu groovy 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.