server supervison

[flupke]

looking for a reliable SW package to supervise my linux servers (VPS or not):

-notify up/down time
-notification of security issues
-notification of ssh login
.....

Any good stuffs?

Flupke

[Brujo]

-notify up/down time
-notification of security issues
-notification of ssh login


Plesk watchdog module checks services, disks, security....

and additional my personal favorit is ossec (http://www.ossec.net/)