With tmux, you can create a monitoring system allowing you to check on your server remotely and get the perfect overview of what’s happening. Joey Bernard explains how.
There are lots of systems and utilities available to monitor your system. Many of these are web-based, or they run as a client-server system.
Unfortunately, there are several instances where the only allowed connection to the server of interest is over SSH. This might be for several reasons, the least of which being security. In these cases, you will likely still want some way of easily monitoring what is going on with your server. Using tmux, you can create a session which will run all of your monitoring software and
keep it running, regardless of whether you lose your connection or not.
This article will cover the basics of creating such a session, which you should be able to tune and tweak to fit your specific requirements. This way, you can simply log in using any available SSH connection and see, in an instant, all of the information that is of interest to you. Also, since you need to log into the system over SSH, you don’t need to worry about the problems of locking down other software, such as a web server...Read more at Linux User and Developer