====== Nagios ====== //Monitoring Servers// ===== Nagios Plugins ===== //Links to Nagios Plugins// === Memcached === To monitor memcached using nagios.\\ [[http://cpan.uwinnipeg.ca/dist/Nagios-Plugins-Memcached | check_memcached]] ===== Error / Resolution ===== === CASE 1 : === **Error :** DISK CRITICAL check_disk : / / / is not accessible: Permission denied **Solution :** In my case this is because it is mounted as postgres user.\\ Which eventually does not allow other user (nrpe or nagios) to check the disk.\\ So i have copied the command as diff. name and set the SUID bit on the check command.\\ cd /usr/lib64/nagios/plugins/ cp check_disk check_disk_pg chmod +s check_disk_pg Voila...!!