Ubuntu22：システム監視設定

root@www:~# useradd -d /usr/local/nagios/ -M nagios

root@www:~# wget https://downloads.sourceforge.net/project/nagios/nagios-4.x/nagios-4.4.6/nagios-4.4.6.tar.gz

root@www:~# tar zxvf nagios-4.4.6.tar.gz

root@www:~# cd nagios-4.4.6

root@www:nagios-4.4.6# wget http://ftp.momo-i.org/pub/security/nagios/patches/nagios-jp-4.4.6.patch.gz

root@www:nagios-4.4.6# gzip -dc nagios-jp-4.4.6.patch.gz |patch -p1

root@www:nagios-4.4.6# ./configure && make all && make fullinstall && make install-config

root@www:nagios-4.4.6# cd

root@www:~# rm -rf nagios-4.4.6

root@www:~# rm -f nagios-4.4.6.tar.gz

root@www:~# apt -y install mysql-client

root@www:~# apt -y install libmysqlclient-dev

root@www:~# wget https://nagios-plugins.org/download/nagios-plugins-2.3.3.tar.gz

root@www:~# tar zxvf nagios-plugins-2.3.3.tar.gz

root@www:~# cd nagios-plugins-2.3.3

root@www:nagios-plugins-2.3.3# ./configure && make && make install

root@www:nagios-plugins-2.3.3# cd

root@www:~# rm -rf nagios-plugins-2.3.3

root@www:~# rm -f nagios-plugins-2.3.3.tar.gz

root@www:~# vi /usr/local/nagios/etc/nagios.cfg

cfg_dir=/usr/local/nagios/etc/servers

date_format=iso8601

root@www:~# mkdir /usr/local/nagios/etc/servers

root@www:~# vi /usr/local/nagios/etc/objects/contacts.cfg

define contact{
        contact_name                    nagiosadmin             ; Short name of user
        use                             generic-contact         ; Inherit default values from generic-contact template (defined above)
        alias                           Nagios Admin            ; Full name of user

        email                           root@localhost
        }

root@www:~# vi /usr/local/nagios/etc/objects/localhost.cfg

define service{
        use                             local-service         ; Name of service template to use
        host_name                       localhost
        service_description             SSH
        check_command                   check_ssh
        notifications_enabled           1
        }

define service{
        use                             local-service         ; Name of service template to use
        host_name                       localhost
        service_description             HTTP
        check_command                   check_http
        notifications_enabled           1
        }

root@www:~# vi /usr/local/nagios/etc/objects/commands.cfg

# 'notify-host-by-email' command definition
define command{
        command_name    notify-host-by-email
        command_line    /usr/bin/printf "%b" "***** Nagios *****\n\nNotification Type: $NOTIFICATIONTYPE$\nHost: $HOSTNAME$\nState: $HOSTSTATE$\nAddress: $HOSTADDRESS$\nInfo: $HOSTOUTPUT$\n\nDate/Time: $LONGDATETIME$\n" | /usr/bin/nkf -j | /usr/bin/mail -s "** $NOTIFICATIONTYPE$ Host Alert: $HOSTNAME$ is $HOSTSTATE$ **" $CONTACTEMAIL$
        }

# 'notify-service-by-email' command definition
define command{
        command_name    notify-service-by-email
        command_line    /usr/bin/printf "%b" "***** Nagios *****\n\nNotification Type: $NOTIFICATIONTYPE$\n\nService: $SERVICEDESC$\nHost: $HOSTALIAS$\nAddress: $HOSTADDRESS$\nState: $SERVICESTATE$\n\nDate/Time: $LONGDATETIME$\n\nAdditional Info:\n\n$SERVICEOUTPUT$\n" | /usr/bin/nkf -j | /usr/bin/mail -s "** $NOTIFICATIONTYPE$ Service Alert: $HOSTALIAS$/$SERVICEDESC$ is $SERVICESTATE$ **" $CONTACTEMAIL$
        }

root@www:~# vi /etc/apache2/sites-available/nagios.conf

      <RequireAny>

#         Require all granted

         Require ip 192.168.1.1/24

      </RequireAny>

      <RequireAny>

#         Require all granted

         Require ip 192.168.1.1/24

      </RequireAny>

root@www:~# systemctl restart apache2

root@www:~# htpasswd -c /usr/local/nagios/etc/htpasswd.users nagiosadmin

New password:
Re-type new password:
Adding password for user nagiosadmin

root@www:~# systemctl restart nagios

nagios：http://ubuntuserver.jp/nagios/