So it sounds like something run apt with --no-install-recommends, right? I don't think that's LTSP, could it be Debian Edu? Maybe it could just drop the --no-install-recommends parameter?
- Bug#831409: ltsp-client lacks gnupg / gnupg2 for apt-k... Wolfgang Schweer
- Bug#831409: [Pkg-ltsp-devel] Bug#831409: ltsp-cli... Vagrant Cascadian
- Bug#831409: [Pkg-ltsp-devel] Bug#831409: ltsp... Wolfgang Schweer
- Bug#831409: ltsp-client lacks gnupg / gnupg2 for ... Holger Levsen
- Bug#831409: [Pkg-ltsp-devel] Bug#831409: ltsp... Vagrant Cascadian
- Bug#831409: [Pkg-ltsp-devel] Bug#831409: ... Holger Levsen
- Bug#831409: [Pkg-ltsp-devel] Bug#8314... Alkis Georgopoulos
- Bug#831409: [Pkg-ltsp-devel] Bug... Petter Reinholdtsen
- Bug#831409: [Pkg-ltsp-devel] Bug... Vagrant Cascadian
- Bug#831409: [Pkg-ltsp-devel]... Holger Levsen
- Bug#831409: [Pkg-ltsp-de... Daniel Kahn Gillmor
- Bug#831409: [Pkg-ltsp-de... Alkis Georgopoulos
- Bug#831409: [Pkg-ltsp-devel]... Vagrant Cascadian
- Bug#831409: [Pkg-ltsp-de... Petter Reinholdtsen

