I have used top to see the memory usage at the moment. But I would like to monitor the memory usage over a period of time. E.g start monitoring and then execute a few commands, and final stop the ...
What tools do you use to monitor a Ubuntu web server? More specifically, I'd like to monitor server uptime, resource usage (RAM, CPU, bandwidth, etc.), Apache, MySQL and PHP.
I want to set up an Ubuntu router with automatic fail-over to a 3G link. I can probably set up routing and link aggregation, but I don't know how to monitor link status and dial the 3G link in case it ...