Linux
Nagios nrpe and sudo: "NRPE: Unable to read output"
On CentOS 5 (and RedHat EL as well), you can encounter the following behaviour when configuring an nrpe plugin with sudo: [andrea@feyd ~]$ /usr/lib/nagios/plugins/check_nrpe -H 1.2.3.4 -c check_md_raid NRPE: Unable to read output Given that check_md_raid is defined