$ screenruler Loading libraries... /usr/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in `require': cannot load such file -- glib2.so (LoadError) from /usr/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in `require' from /usr/share/screenruler/utils/addons_ruby.rb:59:in `block in require' from /usr/share/screenruler/utils/addons_ruby.rb:59:in `each' from /usr/share/screenruler/utils/addons_ruby.rb:59:in `require' from /usr/lib/ruby/vendor_ruby/glib2.rb:105:in `rescue in <top (required)>' from /usr/lib/ruby/vendor_ruby/glib2.rb:101:in `<top (required)>' from /usr/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in `require' from /usr/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in `require' from /usr/share/screenruler/utils/addons_ruby.rb:59:in `block in require' from /usr/share/screenruler/utils/addons_ruby.rb:59:in `each' from /usr/share/screenruler/utils/addons_ruby.rb:59:in `require' from /usr/lib/ruby/vendor_ruby/gtk2/base.rb:12:in `<top (required)>' from /usr/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in `require' from /usr/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in `require' from /usr/share/screenruler/utils/addons_ruby.rb:59:in `block in require' from /usr/share/screenruler/utils/addons_ruby.rb:59:in `each' from /usr/share/screenruler/utils/addons_ruby.rb:59:in `require' from /usr/lib/ruby/vendor_ruby/gtk2.rb:11:in `<top (required)>' from /usr/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in `require' from /usr/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in `require' from /usr/share/screenruler/utils/addons_ruby.rb:59:in `block in require' from /usr/share/screenruler/utils/addons_ruby.rb:59:in `each' from /usr/share/screenruler/utils/addons_ruby.rb:59:in `require' from /usr/bin/screenruler:51:in `<main>'
$ which screenruler /usr/bin/screenruler $ type screenruler screenruler is hashed (/usr/bin/screenruler) $ dpkg --search screenruler screenruler: /usr/share/screenruler/ruler_popup_menu.rb screenruler: /usr/share/doc/screenruler/changelog.Debian.gz screenruler: /usr/share/doc/screenruler screenruler: /usr/share/screenruler/utils/settings.rb screenruler: /usr/share/screenruler/utils/addons_gtk.rb screenruler: /usr/share/applications/screenruler.desktop screenruler: /usr/share/screenruler/ruler_window.glade screenruler: /usr/share/screenruler/utils/glade_window.rb screenruler: /usr/share/screenruler/preferences_window.glade screenruler: /usr/share/screenruler screenruler: /usr/share/pixmaps/screenruler.xpm screenruler: /usr/share/screenruler/utils/unique_timeout.rb screenruler: /usr/share/screenruler/ruler_window.rb screenruler: /usr/share/screenruler/screenruler-icon-32x32.png screenruler: /usr/share/man/man1/screenruler.1.gz screenruler: /usr/share/screenruler/screenruler-icon-16x16.png screenruler: /usr/share/doc/screenruler/copyright screenruler: /usr/share/screenruler/preferences_window.rb screenruler: /usr/bin/screenruler screenruler: /usr/share/screenruler/utils/addons_ruby.rb screenruler: /usr/share/screenruler/utils/canvas.rb screenruler: /usr/share/screenruler/screenruler-icon-64x64.png screenruler: /usr/share/screenruler/ruler_popup_menu.glade screenruler: /usr/share/screenruler/help_window.rb screenruler: /usr/share/screenruler/screenruler.rb screenruler: /usr/share/screenruler/help_window.glade screenruler: /usr/share/pixmaps/screenruler.png screenruler: /usr/share/screenruler/utils screenruler: /usr/share/menu/screenruler $ dpkg --list screenruler Gewünscht=Unbekannt/Installieren/R=Entfernen/P=Vollständig Löschen/Halten | Status=Nicht/Installiert/Config/U=Entpackt/halb konFiguriert/ Halb installiert/Trigger erWartet/Trigger anhängig |/ Fehler?=(kein)/R=Neuinstallation notwendig (Status, Fehler: GROSS=schlecht) ||/ Name Version Architektur Beschreibung +++-===================-===================-===================-=================== ii screenruler 0.960+bzr41-1.2 all measure objects on screen with a variety of metrics $ dpkg --status screenruler Package: screenruler Status: install ok installed Priority: optional Section: gnome Installed-Size: 157 Maintainer: Siegfried-Angel Gevatter Pujals <rai...@ubuntu.com> Architecture: all Version: 0.960+bzr41-1.2 Depends: ruby | ruby-interpreter, ruby-gtk2, ruby-cairo, ruby-gettext Description: measure objects on screen with a variety of metrics ScreenRuler will display a ruler on screen which allows you to measure the other objects that you've there. It has the following features: * Horizontal and vertical measurement in 6 different metrics: pixels, centimetres, inches, picas, points, and as a percentage of the ruler's length. * Cusomizable colors and fonts. * Keyboard control for precise positioning. * Option for the ruler to stay always on top of other windows. Homepage: http://gnomecoder.wordpress.com/screenruler/ Distributor ID: Debian Description: Debian GNU/Linux 8.5 (jessie) Release: 8.5 Codename: jessie Linux machine 3.16.0-4-amd64 #1 SMP Debian 3.16.7-ckt25-2 (2016-04-08) x86_64 GNU/Linux