Glances an Eye on your system
GoAccess is an open source real-time Apache web log analyzer and interactive viewer that runs in a terminal and provides fast and valuable HTTP statistics for system administrators that require a visual report on the fly.
This program will work in the background of your system recording what all users are doing on your system as well as the resources that are being consumed.
innotop is a 'top' clone for MySQL with more features and flexibility than similar tools. * completely customizable; it even has a plugin interface * monitors many servers at once and can aggregate across them * a complete superset of similar tools such as mytop
