anchor.diff:  
   *Access Nagios Web Interface*
   
  -From this point, follow the instructions. Now is the time to open a second X window, if you have not already done so. Remember that you access Firefox from the main server, not from inside your VM.
  +From this point, follow the instructions. Now is the time to open a second X window, if you have not already done so. Remember that you access Firefox from the main server when you are logged in as you. It will not work if you are su'd as public, nor ssh'd into your VM.
   
   You can log in and see your nagios instance by opening a new ssh session into seis660 (NOT your VM!!) and typing
   
  
positive.code: 
  The goal is to
  
  * install the LAMP stack on your nervios instance
  * install the Nagios server on your nervios instance
  * configure Nagios to monitor servers in the pipeline
  * confirm that the pipeline is being monitored
  * test monitoring by halting one or more servers and observing the result
  * expand monitoring to cover Apache Tomcat on the caraxx server, and Jenkins on hombrosxx..
  * test the expanded monitoring
  
  === Steps
  WARNING: READ THIS ENTIRE LAB CAREFULLY BEFORE STARTING. IF YOU JUST LAUNCH INTO THE STEP BY STEP INSTRUCTIONS YOU WILL REGRET IT WHEN YOU GET A FEW PARAGRAPHS FURTHER. BE SURE YOU UNDERSTAND EVERYTHING.
  
negative.code: 
  Take a screen shot; combine it with your previous screen shot (e.g. in Powerpoint or as a PDF) and post to https://seis660.slack.com/messages/lab-06[Slack].
  
  When you have taken this screenshot, tell the instructor so he or she can re-launch cara.
  
  You can change the speed with which Nagios detects a down server through a parameter change. At your option, research the https://assets.nagios.com/downloads/nagioscore/docs/nagioscore/4/en/objectdefinitions.html#host[instructions] and do so.
  
  