It is really important of being a balance between teacher actions that provide clear consequences for unacceptable behaviour and teacher actions that recognize and reward acceptable behaviour.
Developing good dynamics of classroom management means, among other important aspects, beginning the school year with a positive emphasis on management; arranging the room in a way conducive to effective management; and identifying and implementing rules and operating procedures.
But above all, the quality of teacher-student relationships is the keystone for all other aspects of classroom management. Teachers who have high-quality relationships with their students have fewer discipline problems, rule violations, and related problems over a year's time than teachers who do not have high-quality relationships with their students.
From one of my in Service training sessions this school year this are the mind maps teachers did around this topic and the issues they are more concerned about.
I have been using for a while the following links to find good and ready to use resources to cope with classroom management issues: