NRPE Bash Script for Nagios Monitoring
#!/bin/bash echo "yum install nrpe and utils" yum -y update yum -y install epel-release yum -y install nrpe nagios-plugins-load nagios-plugins-uptime smartmontools mv /etc/nagios/nrpe.cfg /etc/nagios/nrpe.cfg_old echo "RAID Megacli installation" rpm -Uvh http://mirror.cogentco.com/pub/misc/MegaCli-8.07.14-1.noarch.rpm echo "Nagios RAID checks installation and configuration" wget https://github.com/glensc/nagios-plugin-check_raid/releases/download/4.0.10/check_raid.pl -P /usr/lib64/nagios/plugins/ chmod +x /usr/lib64/nagios/plugins/check_raid.pl cat >> /etc/sudoers.d/check_raid << DELIM # Lines matching CHECK_RAID added by ./check_raid.pl -S User_Alias CHECK_RAID=nrpe Defaults:CHECK_RAID !requiretty CHECK_RAID ALL=(root) NOPASSWD: /opt/MegaRAID/MegaCli/MegaCli64 -PDList -aALL -NoLog CHECK_RAID ALL=(root) NOPASSWD: /opt/MegaRAID/MegaCli/MegaCli64 -LdInfo -Lall -aALL -NoLog CHECK_RAID ALL=(root) NOPASSWD: /opt/MegaRAID/MegaCli/MegaCli64 -AdpBbuCmd -GetBbuStatus -aALL -NoLog DELIM echo "S.M.A.R.T checks configuration" wget https://raw.githubusercontent.com/Napsty/check_smart/master/check_smart.pl -P /usr/lib64/nagios/plugins/ chmod +x /usr/lib64/nagios/plugins/check_smart.pl cat >> /etc/sudoers.d/check_smart << DELIM nrpe ALL = NOPASSWD: /usr/lib64/nagios/plugins/check_smart.pl nrpe ALL = NOPASSWD: /usr/sbin/smartctl DELIM echo "NRPE configuration" cat >> /etc/nagios/nrpe.cfg << DELIM log_facility=daemon debug=0 pid_file=/run/nrpe/nrpe.pid server_port=5666 nrpe_user=nrpe nrpe_group=nrpe allowed_hosts=127.0.0.1,::1 dont_blame_nrpe=0 allow_bash_command_substitution=0 command_timeout=60 connection_timeout=300 disable_syslog=0 command[check_load]=/usr/lib64/nagios/plugins/check_load -r -w 30,30,30 -c 35,35,35 command[check_smart0]=/usr/lib64/nagios/plugins/check_smart.pl -d /dev/sdb -i megaraid,0 command[check_smart1]=/usr/lib64/nagios/plugins/check_smart.pl -d /dev/sdb -i megaraid,1 command[check_smart2]=/usr/lib64/nagios/plugins/check_smart.pl -d /dev/sda -i megaraid,2 command[check_raid]=/usr/lib64/nagios/plugins/check_raid.pl -p megacli --cache-fail=OK command[check_uptime]=/usr/lib64/nagios/plugins/check_uptime include_dir=/etc/nrpe.d/ DELIM echo "Service nrpe autostart" systemctl enable nrpe systemctl restart nrpe echo "Open nrpe 5666 port in Firewalld" firewall-cmd --zone=public --permanent --add-port=5666/tcp firewall-cmd --reload