%3 1~1 Generating Gane and Sarson DFDs tags~dfd dfd 1~1->tags~dfd tags~diagramming diagramming 1~1->tags~diagramming tags~git git 1~1->tags~git tags~graphviz graphviz 1~1->tags~graphviz 1~2 Removing Image Metadata tags~image image 1~2->tags~image tags~pkg_mgmt pkg_mgmt 1~2->tags~pkg_mgmt tags~principles principles 1~2->tags~principles 1~3 XFig Diagramming Tool 1~3->tags~diagramming 1~3->tags~image tags~xfig xfig 1~3->tags~xfig 1~4 Raspberry Pi MQTT Broker tags~mqtt mqtt 1~4->tags~mqtt 1~5 Custom Graphviz Nodes 1~5->tags~diagramming 1~5->tags~graphviz 2~1 Dpkg Lock tags~errors errors 2~1->tags~errors 2~2 Using VirtualBox tags~networking networking 2~2->tags~networking 3~1 Straight Down the Line 3~1->tags~principles tags~gerry_rafferty gerry_rafferty 3~1->tags~gerry_rafferty 3~2 Relax Down tags~foghat foghat 3~2->tags~foghat