Variants of the phrase appear several times in 1 John


  1 John 1:5-6 (ESV)
  5&nbsp;  This is the message we have heard from him and proclaim to you, that  God is light, and in him is no darkness at all. 6&nbsp;  If we say we have fellowship with him while we walk in darkness, we lie and  do not practice the truth.
  
  1 John 2:9-11 (ESV)
  9&nbsp; Whoever says he is in the light and  hates his brother is still in darkness. 10&nbsp; Whoever loves his brother abides in the light, and in him there is no  cause for stumbling. 11&nbsp; But whoever hates his brother is in the darkness and  walks in the darkness, and does not know where he is going, because the darkness has blinded his eyes.


Darkness is contrasted with the picture of God as light, and describes living in sin without knowing or seeing God.

What is meant by the expression "living in darkness"?
I somehow managed to miss configured my mac osx update-server and would like to reset it, the problem is that there is no reset button to put the update-server into it's original inactivated state. 

So does someone here know how to reset the update-server completely without leaving traces from the configurations which have been done before?
