"When I drafted this article, I really came-up with 7 sysadmin habits. But, out of those 7 habits, three really stood out for me.
"While habits are good, sometimes rules might even be better, especially in the sysadmin world, when handling a production environment.
"Rule #1: Backup Everything ( and validate the backup regularly )
"Experienced sysadmin knows that production system will crash someday, no matter how proactive we are. The best way to be prepared for that situation is to have a valid backup.