After doing an apt-get update there are two types of packages I'm particularly interested in: newly available packages (new to Debain since the last time I did an apt-get update) and packages I have already installed but that have been updated since the last time I did an apt-get update. (I.e., ignore packages that have been updated but not since the previous time I did an apt-get update)
Are there any simple command line methods for getting these two lists (or do I need to persist in learning what seems to me to be the quite un-intuitive interfaces in deity and aptitude). Many thanks in advance, Graham

