search for: evcorr

I'm looking for a logfile scanner that can search for regular expressions in logfiles and send immediate email notifications. I'd like to try to find something that doesn't use huge amounts of memory. I'm currently running fail2ban and used it to do some of this scanning, but I'm finding that it can suck up memory and CPU resources when there is a lot of logging going on. I

Hi all, I am searching some lightweight tool to control when rsyslog didn't receive events from a specific host or group of hosts for x minutes/seconds. Only a simple tool to send an email when an alert is triggered, I don't need flat tools like zabbix or similars. Does anyone know any?