Remote disk usage health monitor

A network consists of several machines with different users and requires centralized monitoring of disk usage of remote machines. The system administrator of the network needs to log the disk usage of all the machines in the network every day. Each log line should contain details like the date, IP address of the machine, device, capacity of device, used space, free space, percentage usage, and health status. If the disk usage of any of the partitions in any remote machine exceeds 80 percent, the health status should be set as ALERT, else it should be set as SAFE. This recipe will illustrate how to write a monitoring script that can collect details from remote machines in a network.

Getting ready

We need to collect the disk usage statistics from each machine on the network, individually, and write a logfile in the central machine. A script that collects the details and writes the log can be scheduled to run every day at a particular time. SSH can be used to...