Add punctuation: My dear dear friends I wish you all a peaceful joyful time with your families and friends during this season of goodwill
A: My dear, dear friends, I wish you all a peaceful, joyful time with your families and friends during this season of goodwill.

Add punctuation: One of the Ceni strengths is its ability to configure WiFi wireless cards on the fly an alternative is here WiFi Basic setup guide
A: One of the Ceni strengths is its ability to configure WiFi wireless cards on the fly, an alternative is here: WiFi - Basic setup guide:

Add punctuation: The bird probably came from small bipedal lizards and the first birds had many lizardlike traits including tail
A:
The bird probably came from small bipedal lizards and the first birds had many lizard-like traits including tail.