Nagios Support Forum

In Debian 11 Bullseye you need do exclude some paths on the check_ro_mounts command configuration. Try to edit nrpe.cfg on client adding /run/credentials path after -x option. For example, in my nrpe.cfg , I've configured the command chech_ro excluding the paths /sys/fs/cgroup and /run/credentials c...

On Debian 11 (bullseye) you need to exclude some path.

Try to edit the nrpe.cfg file on client accordingly.
In my case I've labeled the command "chech_ro"

command[check_ro]=/usr/lib/nagios/plugins/check_ro_mounts -x /sys/fs/cgroup -x /run/credentials

let me know if that fixes