Public bug reported: Got that warning logged after registering two ppas and updating them:
com.ubuntu.SoftwareProperties[2113]: gpg: keyring `/tmp/tmp58u008j4/secring.gpg' created com.ubuntu.SoftwareProperties[2113]: gpg: keyring `/tmp/tmp58u008j4/pubring.gpg' created com.ubuntu.SoftwareProperties[2113]: gpg: requesting key F59EAE4D from hkp server keyserver.ubuntu.com com.ubuntu.SoftwareProperties[2113]: gpg: /tmp/tmp58u008j4/trustdb.gpg: trustdb created com.ubuntu.SoftwareProperties[2113]: gpg: key F59EAE4D: public key "Launchpad PPA for NoobsLab" imported com.ubuntu.SoftwareProperties[2113]: gpg: no ultimately trusted keys found com.ubuntu.SoftwareProperties[2113]: gpg: Total number processed: 1 com.ubuntu.SoftwareProperties[2113]: gpg: imported: 1 (RSA: 1) com.ubuntu.SoftwareProperties[2113]: Warning: apt-key output should not be parsed (stdout is not a terminal) com.ubuntu.SoftwareProperties[2113]: OK com.ubuntu.SoftwareProperties[2113]: gpg: keyring `/tmp/tmpjwlat63e/secring.gpg' created com.ubuntu.SoftwareProperties[2113]: gpg: keyring `/tmp/tmpjwlat63e/pubring.gpg' created com.ubuntu.SoftwareProperties[2113]: gpg: requesting key E2D0EBE9 from hkp server keyserver.ubuntu.com com.ubuntu.SoftwareProperties[2113]: gpg: /tmp/tmpjwlat63e/trustdb.gpg: trustdb created com.ubuntu.SoftwareProperties[2113]: gpg: key E2D0EBE9: public key "Launchpad PPA for RAVEfinity Project" imported com.ubuntu.SoftwareProperties[2113]: gpg: Total number processed: 1 com.ubuntu.SoftwareProperties[2113]: gpg: imported: 1 (RSA: 1) com.ubuntu.SoftwareProperties[2113]: Warning: apt-key output should not be parsed (stdout is not a terminal) com.ubuntu.SoftwareProperties[2113]: OK ProblemType: Bug DistroRelease: Ubuntu 16.10 Package: software-properties-gtk 0.96.24.1 ProcVersionSignature: Ubuntu 4.6.0-9.11-generic 4.6.4 Uname: Linux 4.6.0-9-generic x86_64 NonfreeKernelModules: nvidia_uvm nvidia_modeset nvidia ApportVersion: 2.20.2-0ubuntu1 Architecture: amd64 CurrentDesktop: GNOME Date: Sat Jul 23 13:37:35 2016 PackageArchitecture: all SourcePackage: software-properties UpgradeStatus: No upgrade log present (probably fresh install) ** Affects: software-properties (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug gnome3-ppa third-party-packages yakkety -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1605861 Title: apt-key output should not be parsed (stdout is not a terminal) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/software-properties/+bug/1605861/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs