I would like to use something like ownCloud but my sysadmin skills are certainly poorer than guys hired by Google or Dropbox. I worry that I might end up deleti

I would like to use something like ownCloud but my sysadmin skills are certainly poorer than guys hired by Google or Dropbox. I worry that I might end up deleting my own data or mess up my installation. For example, I use Google apps and I worry that a messed up MX entry would send me to radio silence.