How much information do you bleed? Ever wonder who is else is using your network? Or,who has actually showed up at the office? Networking primer The simplest thing we can do to make this work is to check to see which devices have registered themselves on the network. As devices come and go, they connect automatically, so we will have a pretty good idea if people are there or not. Phones seem to attach and detach quite frequency, probably to conserve battery, so if we are want to answer the question “is so-and-so in the office” we’ll need to add additional logic to determine how far spaced the “sighting” events are to mean that the person has left the office, rather than the phone has gone to sleep.

Some scripts work well because they are self contained and don’t have a lot of dependancies, like the hosts on your network tracker. Others scripts have more code than fits into a single file multiple options and switches have an extensive set of dependancies And on those cases, its better to make a gem and use thor Hammer of the Gods Lets figure out how to make some command line tools and package them up so that they can be shared and used by other people.

Since I’ve upgraded to Yosemite my computer has gotten slower and slower. When it first boots up, it is it’s old fast self, but after a few hours everything slows down. Remember the days when you needed to restart your computer to keep it working well? I had forgotten, and I wasn’t really into remembering it. I also upgraded to Airmail 2. I get a ton of email and it used it be a lot faster than using Mail.