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88551536e66236d2513dc7e6d994f460659da69a
linux-scripts/NagiosInstall.sh
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#!/bin/bash
######################################################################################
#### Version 2.2 ####
#### For questions or comments contact@mylinux.work ####
#### Author : Phil Connor ####
#### ####
#### Notes : ####
#### This script is a simple "helper" to install and configure Maria, ####
#### PowerDNS and PowerAdmin on RedHat Based servers. ####
#### There is no silver bullet. Don't expect the perfect setup, ####
#### review comments and adapt the parameters to your application usage. ####
#### ####
#### Use this script at your OWN risk. There is no guarantee whatsoever. ####
#### ####
#### Usage chmod 755 then ./PdnsInstall.sh or bash PdnsInstall.sh ####
######################################################################################
############################
#### User Configurables ####
############################
# HTTP=apache
NAGAD=nagiosadmin
NAGADPASS=MyPaSsWoRd
##########################
#### System Variables ####
##########################
# IPADD=$(ifconfig | grep -Eo 'inet (addr:)?([0-9]*\.){3}[0-9]*' | grep -Eo '([0-9]*\.){3}[0-9]*' | grep -v '127.0.0.1')
OS=$(grep PRETTY_NAME /etc/os-release | sed 's/PRETTY_NAME=//g' | tr -d '="' | awk '{print $1}' | tr '[:upper:]' '[:lower:]')
OSVER=$(grep VERSION_ID /etc/os-release | sed 's/VERSION_ID=//g' | tr -d '="' | awk -F. '{print $1}')
# SAEMAIL=
###########################################################
#### Detect Package Manger from OS and OSVer Variables ####
###########################################################
if [ "${OS}" = ubuntu ]; then
PAKMGR="apt -y"
elif [[ ${OS} = centos || ${OS} = red || ${OS} = oracle || ${OS} = rocky || ${OS} = alma ]]; then
if [ "${OSVER}" = 8 ] || [ "${OSVER}" = 9 ]; then
PAKMGR="dnf -y"
fi
fi
###########################
#### Install Net-Utils ####
###########################
if [ ! "$(command -v ifconfig)" ]; then
if [ "${OS}" = ubuntu ]; then
${PAKMGR} update
${PAKMGR} install net-utils
else
${PAKMGR} install net-tools
fi
fi
########################
#### Nagios Install ####
########################
function nagios_install() {
{
if [ "${OS}" = ubuntu ]; then
htpath=/etc/apache2/conf-enabled/nagios4-cgi.conf
else
htpath=/etc/apache2/conf.d/nagios.conf
fi
#if [ "${OS}" = ubuntu ]; then
${PAKMGR} update
DEBIAN_FRONTEND=noninteractive ${PAKMGR} install nagios4 nagios-nrpe-server nagios-plugins nagios-plugins-contrib expect
a2enmod authz_groupfile auth_digest
# ${PAKMGR} install autoconf gcc libc6 make wget unzip apache2 php libapache2-mod-php libgd-dev libssl-dev expect
sed -i 's/Require ip ::1\/128 fc00::\/7 fe80::\/10 10\.0\.0\.0\/8 127\.0\.0\.0\/8 169\.254\.0\.0\/16 172\.16\.0\.0\/12 192\.168\.0\.0\/16/# Require ip ::1\/128 fc00::\/7 fe80::\/10 10\.0\.0\.0\/8 127\.0\.0\.0\/8 169\.254\.0\.0\/16 172\.16\.0\.0\/12 192\.168\.0\.0\/16/g' $htpath
#sed -i 's/<Files "cmd.cgi">/#<Files "cmd.cgi">/g' $htpath
sed -i 's/Require all/#Require all/g' $htpath
#sed -i 's/<//Files>/#<//Files>/g' $htpath
sed -i 's/#Require /Require /g' $htpath
expect -f - <<-EOF
set timeout 5
spawn htdigest -c /etc/nagios4/htdigest.users Nagios4 $NAGAD
expect "New password:"
send -- "$NAGADPASS\r"
expect "Re-type new password:"
send -- "$NAGADPASS\r"
expect eof
EOF
systemctl enable --now nagios
systemctl status nagios
if [ "${OS}" = ubuntu ]; then
systemctl enable apache2
systemctl restart apache2
else
systemctl enable httpd
systemctl restart httpd
fi
}
}
nagios_install
# OUTFILE1="$nagdir/nrpe_rule.te"
# # TITLE="nrpe_rule"
# define NRPE_RULE << 'EOF'
# module nrpe_rule 1.0;
# require {
# type nrpe_t;
# type proc_net_t;
# class file { open read };
# class file { ioctl open read getattr };
# }
# #=================== nrpe_t =========================
# allow nrpe_t proc_net_t:file open;
# allow nrpe_t proc_net_t:file read;
# allow nrpe_t proc_net_t:file { getattr ioctl };
# EOF
# {
# printf "%s\n" "$NRPE_RULE" | cut -c 3-
# } > "$OUTFILE1"
# checkmodule -M -m -o $nagdir/nrpe_rule.mod $nagdir/nrpe_rule.te
# semodule_package -o $nagdir/nrpe_rule.pp -m $nagdir/nrpe_rule.mod
# semodule -i $nagdir/nrpe_rule.pp
# semanage permissive -a nrpe_t
# ${PAKMGR} install nrpe nrpe-selinux nagios-plugins nagios-plugins-all nagios-plugins-uptime nagios-plugins-oracle nagios-plugins-check-updates
# sed -i "/^allowed_hosts/c\allowed_hosts=127.0.0.1,::1,$IPADD" $nrpecfg
# sed -i "/^#command\[check_load\]/c\command[check_uptime]=$nagdir/check_uptime" $nrpecfg
# sed -i "/^command\[check_load\]/c\command\[check_load\]=$nagdir/check_load -r -w 6,4,2 -c 12,10,7" $nrpecfg
# sed -i "/^command\[check_hda1\]/c\command[check_hda1]=$nagdir/check_disk -w 15% -c 10% -p /dev/sda3" $nrpecfg
# sed -i "/^command\[check_zombie_procs\]/c\# command[check_zombie_procs]=$nagdir/check_procs -w 5 -c 10 -s Z" $nrpecfg
# sed -i "/^command\[check_total_procs\]/c\command[check_total_procs]=$nagdir/check_procs -w 250 -c 300 -s RSZDT" $nrpecfg
# sed -i "/^#command\[check_users\]/c\command[check_net]=$nagdir/check_net" $nrpecfg
# sed -i "/^#command\[check_swap\]/c\command[check_swap]=$nagdir/check_swap -w 20% -c 10%" $nrpecfg
# sed -i "/^#command\[check_mem\]/c\command[check_mem]=$nagdir/check_mem" $nrpecfg
# if [ "${OS}" = ubuntu ]; then
# sed -i "/^#command\[check_apt\]/c\command[check_apt]=$nagdir/check_apt/" $nrpecfg
# else
# sed -i "/^#command\[check_yum\]/c\command[check_yum]=$nagdir/check_updates" $nrpecfg
# fi
# sed -i "/^#command\[check_all_procs\]/c\command[check_logic]=$nagdir/check_http -p 7011" $nrpecfg
# sed -i "/^#command\[check_procs\]/c\command[check_oracle]=$nagdir/check_http -p 8010" $nrpecfg
# sed -i "/^#command\[check_disk\]/c\command[check_ping]=$nagdir/check_ping 127.0.0.1 -w 100.0,20% -c 500.0,60%" $nrpecfg
# sed -i "/^#command\[check_cpu_stats\]/c\command[check_ssh]=$nagdir/check_ssh" $nrpecfg
# }
# }
######################
#### HTTP Install ####
######################
# function install_http() {
# {
# if [ "${OS}" = ubuntu ]; then
# if [ $HTTP = apache ]; then
# echo "Apache"
# else
# echo "Nginx"
# fi
# echo "something"
# else
# if [ $HTTP = apache ]; then
# echo "Apache"
# else
# echo "Nginx"
# fi
# fi
# }
# }
nagios_install
# install_http
# # SAMPLE CONFIG SNIPPETS FOR APACHE WEB SERVER
# #
# # This file contains examples of entries that need
# # to be incorporated into your Apache web server
# # configuration file. Customize the paths, etc. as
# # needed to fit your system.
# ScriptAlias /nagios/cgi-bin "/usr/local/nagios/sbin"
# <Directory "/usr/local/nagios/sbin">
# # SSLRequireSSL
# Options ExecCGI
# AllowOverride None
# <IfVersion >= 2.3>
# <RequireAll>
# Require all granted
# # Require host 127.0.0.1
# AuthName "Nagios Access"
# AuthType Basic
# AuthUserFile /usr/local/nagios/etc/htpasswd.users
# Require valid-user
# </RequireAll>
# </IfVersion>
# <IfVersion < 2.3>
# Order allow,deny
# Allow from all
# # Order deny,allow
# # Deny from all
# # Allow from 127.0.0.1
# AuthName "Nagios Access"
# AuthType Basic
# AuthUserFile /usr/local/nagios/etc/htpasswd.users
# Require valid-user
# </IfVersion>
# </Directory>
# Alias /nagios "/usr/local/nagios/share"
# <Directory "/usr/local/nagios/share">
# # SSLRequireSSL
# Options None
# AllowOverride None
# <IfVersion >= 2.3>
# <RequireAll>
# Require all granted
# # Require host 127.0.0.1
# AuthName "Nagios Access"
# AuthType Basic
# AuthUserFile /usr/local/nagios/etc/htpasswd.users
# Require valid-user
# </RequireAll>
# </IfVersion>
# <IfVersion < 2.3>
# Order allow,deny
# Allow from all
# # Order deny,allow
# # Deny from all
# # Allow from 127.0.0.1
# AuthName "Nagios Access"
# AuthType Basic
# AuthUserFile /usr/local/nagios/etc/htpasswd.users
# Require valid-user
# </IfVersion>
# </Directory>
# wget https://assets.nagios.com/downloads/nagioscore/releases/nagios-4.4.7.tar.gz
# tar xzf nagios-4.4.7.tar.gz
# cd nagios-4.4.7 || exit
# if [ "${OS}" = ubuntu ]; then
# ./configure --with-httpd-conf=/etc/apache2/sites-enabled
# else
# ./configure --with-httpd-conf=/etc/httpd/conf.d
# fi
# make all
# make install-groups-users
# if [ "${OS}" = ubuntu ]; then
# usermod -aG nagios www-data
# else
# usermod -aG nagios apache
# fi
# make install
# make install-init
# make install-daemoninit
# make install-commandmode
# make install-config
# make install-webconf
# if [ "${OS}" = ubuntu ]; then
# a2enmod rewrite cgi
# fi
# fi
# if [ ! "$(command -v wget)" ]; then
# ${PAKMGR} install wget
# fi
# ndir1=/usr/lib/nagios/plugins
# ndir2=/usr/lib64/nagios/plugins
# #nrpecfg=/etc/nagios/nrpe.cfg
# if [ -d $ndir1 ]; then
# nagdir=$ndir1
# elif [ -d $ndir2 ]; then
# nagdir=$ndir2
# fi
# define () {
# IFS=$'\n' read -r -d '' "$1"
# }
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