Still seeing this in Debian Stretch. # dpkg-reconfigure -f editor watchdog Calling POSIX::tmpnam() is deprecated at /usr/share/perl5/Debconf/TmpFile.pm line 16, <GEN1> line 6. Subroutine Debconf::FrontEnd::Editor::SUPER::screenwidth redefined at /usr/share/perl5/Debconf/Base.pm line 31, <GEN1> line 6. Subroutine Debconf::FrontEnd::Editor::SUPER::screenwidth redefined at /usr/share/perl5/Debconf/Base.pm line 31, <GEN1> line 6. Subroutine Debconf::FrontEnd::Editor::SUPER::screenwidth redefined at /usr/share/perl5/Debconf/Base.pm line 31, <GEN1> line 8. Subroutine Debconf::FrontEnd::Editor::SUPER::screenwidth redefined at /usr/share/perl5/Debconf/Base.pm line 31, <GEN1> line 8. Subroutine Debconf::Element::Editor::Boolean::SUPER::value redefined at /usr/share/perl5/Debconf/Base.pm line 31. Subroutine Debconf::FrontEnd::Editor::SUPER::screenwidth redefined at /usr/share/perl5/Debconf/Base.pm line 31, <GEN1> line 11. Subroutine Debconf::FrontEnd::Editor::SUPER::screenwidth redefined at /usr/share/perl5/Debconf/Base.pm line 31, <GEN1> line 11. Subroutine Debconf::Element::Editor::Boolean::SUPER::value redefined at /usr/share/perl5/Debconf/Base.pm line 31, <IN> line 11. Subroutine Debconf::Element::Editor::Boolean::SUPER::value redefined at /usr/share/perl5/Debconf/Base.pm line 31. Subroutine Debconf::FrontEnd::Editor::SUPER::screenwidth redefined at /usr/share/perl5/Debconf/Base.pm line 31, <GEN1> line 14. Subroutine Debconf::FrontEnd::Editor::SUPER::screenwidth redefined at /usr/share/perl5/Debconf/Base.pm line 31, <GEN1> line 14. Subroutine Debconf::Element::Editor::Boolean::SUPER::value redefined at /usr/share/perl5/Debconf/Base.pm line 31, <IN> line 11. Subroutine Debconf::Element::Editor::Boolean::SUPER::value redefined at /usr/share/perl5/Debconf/Base.pm line 31. update-rc.d: warning: start and stop actions are no longer supported; falling back to defaults