How to monitor Unix Log Message?!

[xpertech]

There are some Unix Servers, is there any way using NagiosXI monitor Unix Log Message if not install agent into those Servers? (because those servers not allowed to install agent)

[scottwilkerson]

You would need to monitor them using ssh
http://library.nagios.com/library/produ ... -using-ssh

Then either make or find an appropriate plugin on the exchange