In the past few days Oracle has released a bunch of MOS Notes about Enterprise Manager Cloud Control 12c. If you plan an installation it is worthwhile to take a look inside. I have updated my initial post Howto install Oracle Enterprise Manager Cloud Control 12c Release 1 with a list of Oracle documentation and MOS Notes or just checkout the notes below:

• How to Install Enterprise Manager Cloud Control 12.1.0.1 (12c) [1359176.1]
• EM12c: How to install Enterprise Manager Cloud Control 12c Agent [1360183.1]
• How to Install Enterprise Manager Cloud Control 12.1.0.1 (12c)
  using Software-only Method [1364002.1]
• How to Install Enterprise Manager Cloud Control 12.1.0.1 (12c)
  using Software-only Silent Install Method with Response File [ID 1364025.1]
• FAQ: Enterprise Manager Cloud Control 12c Install / Upgrade Frequently Asked Questions [1363863.1]
• Enterprise Manager Cloud Control 12c Installation
  List of the Log Files and Commands to Zip them into One Zip Archive [1363779.1]
• Enterprise Manager Cloud Control 12c Agent Installation
  List of the Log Files and Commands to Zip them into One Zip Archive [1367301.1]