What tool do you use to monitor your servers?
i'm a newbie at server administration, for that my questions :P
i'm needing a system monitoring software that work on centos 5 that basically send me a daily report of:
*server loads on the day, maximum and minimum and when happened, also what service what consuming more resources *disk space available *bandwidth used (if is possible)
and urgent report at this situations:
*when any of the process are unable to start or are down (as mysql, apache, proftpd etc..) *when there is a high load and if is possible what service is causing it *when there is too much login attempt to a ftp/ssh accounts or a specified port
if the app can send a sms alert also is better but is not critical.
thanks for the help