Am 04.11.2014 um 20:36 schrieb Frank Cox <theatre at melvilletheatre.com>: > I would like to set up a cron job to automatically check whether my mailserver and webserver are up, and tell me if they're not. > > This script tells me if my webserver is up: > > #!/bin/bash > wget -q --tries=10 --timeout=20 --spider http://melvilletheatre.com > if [[ $? -eq 0 ]]; then > echo "Online" > else > echo "Offline" > fi > > How can I do the something similar with my mailserver? > > Or if someone knows of an integrated tool that will monitor this in a better way (whatever that may be), I'm more than interested. mon - old lady but small: $ yum -y install epel-release ; yum install mon $ rpm -qi mon |grep -E 'Size|Summary' Size : 1155876 Summary : General-purpose resource monitoring system $ rpm -ql mon | grep -E 'http|imap|smtp|pop&or$' /usr/lib64/mon/mon.d/http.monitor /usr/lib64/mon/mon.d/http_tppnp.monitor /usr/lib64/mon/mon.d/imap.monitor /usr/lib64/mon/mon.d/phttp.monitor /usr/lib64/mon/mon.d/smtp.monitor /usr/lib64/mon/mon.d/smtp3.monitor $ vi /etc/mon/mon.cf $ service mon start $ monshow and if you like (on EL{5,6}): $ chkconfig mon on -- LF