This post shows common pitfalls and problems with mercurial and how they can be solved.
What happens if the following message occures while pushing/pulling data:
Check [http://mercurial.selenic.com/wiki/CACertificates#Mac_OS_X_10.6and_higher](http://mercurial.selenic.com/wiki/CACertificates#Mac_OS_X_10.6_and_higher) for reference. You have to download the root-ca from the university website (http://www.rz.uni-konstanz.de/dienste/zertifikate/dfn-ras-an-der-universitaet-konstanz/) and store it somewhere in your system. Afterwards insert the path to your _~/.hgrc.
How to store credentials into the system to not insert user/password every time?
Insert the following data into your hgrc