# vi /usr/local/nagios/etc/nrpe.cfg allowed_hosts=127.0.0.1,192.168.252.57 or 122.219.40.14 # vi /etc/sysconfig/iptables -A INPUT -m state –state NEW -m tcp -p tcp –dport 5666 -s 122.219.40.14 -j ACCEPT
# vi /usr/local/nagios/etc/nrpe.cfg コマンドを追加 正常にnrpeによるリソースの監視が行えているかテスト
# vi /usr/local/nagios/etc/nrpe.cfg allowed_hosts=127.0.0.1,NagiosサーバーのIPアドレスを入れる
記述例：ディスク「/dev/mapper/vg_web01-lv_var」の残りの容量が20%を切ったらWarning、10%を切ったらCriticalを発砲する。 command[check_disk1]=/usr/local/nagios/libexec/check_disk -w 20% -c 10% -p /dev/mapper/vg_web01-lv_var 正常にnrpeによるリソースの監視が行えているかテスト
cd /usr/local/src wget http://prdownloads.sourceforge.net/sourceforge/nagios/nagios-3.4.1.tar.gz wget http://prdownloads.sourceforge.net/sourceforge/nagiosplug/nagios-plugins-1.4.15.tar.gz
tar zxvf nagios-3.4.1.tar.gz cd nagios wget http://ftp.momo-i.org/pub/other/nagios-jp-3.4.1.patch.gz gzip -dc nagios-jp-3.4.1.patch.gz | patch -p1 ./configure –with-nagios-user=nagios \ –with-nagios-group=nagios \ –with-command-user=apache \ –with-command-group=apache \ –with-httpd-conf=/usr/local/apache2/conf make make all make install make install-init make install-commandmode make install-config make install-webconf
cd /usr/local/src tar xfvz nagios-plugins-1.4.15.tar.gz make make install
chown -R nagios:nagios /usr/local/nagios htpasswd -c /usr/local/nagios/etc/htpasswd.users nagiosadmin service httpd reload
vi /etc/httpd/conf.d/nagios.conf <Directory "/usr/local/nagios/sbin"> # SSLRequireSSL Options ExecCGI AllowOverride None # Order allow,deny # Allow from all Order deny,allow Deny from all # Allow from 127.0.0.1 Allow from IPアドレス AuthName "Nagios Access" AuthType Basic AuthUserFile /usr/local/nagios/etc/htpasswd.users Require valid-user </Directory>
Alias /nagios "/usr/local/nagios/share"
<Directory "/usr/local/nagios/share">
# SSLRequireSSL
Options None
AllowOverride None
# Order allow,deny
Order deny,allow
# Allow from all
# Order deny,allow
Deny from all
# Allow from 127.0.0.1
Allow from IPアドレスを指定
AuthName "Nagios Access"
AuthType Basic
AuthUserFile /usr/local/nagios/etc/htpasswd.users
Require valid-user
</Directory>
service httpd reload
vi /etc/sysconfig/iptables #HTTP -A INPUT -m state –state NEW -m tcp -p tcp –dport 80 -j ACCEPT
service nagios start chkconfig –add nagios chkconfig nagios on
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$SERVICEOUTPUT$" | /usr/bin/nkf -j | /bin/mail -s " $NOTIFICATIONTYPE$ Service Alert: $HOSTALIAS$/$SERVICEDESC$ is $SERVICESTATE$ **" $CONTACTEMAIL$ ← nkfコマンド追加(メール本文文字化け対処)
}
#cfg_dir=/usr/local/nagios/etc/servers →コメントアウトの「＃」を削除 /usr/local/nagios/etcディレクトリの下にserversというサブディレクトリを作成。 ファイル名：svr1.cfg define host{ use linux-server host_name svr1 alias Linux Server address 192.168.0.5 }
define service{ use generic-service host_name svr1 service_description PING check_command check_ping!200.0,20%!600.0,60% }
※テスト用Ping値 -w 3000.0,80% -c 5000.0,100% -p 5
■ダミー用（Ping通信を許可していない場合に擬似的にPing監視をOKと判断
define service{
use generic-service
host_name
service_description
check_command check_dummy
}
サーバーごとの定義 [#p3059337]
【POPサーバー】
define service{
use generic-service
host_name
service_description POP
check_command check_pop
}
define service{
use generic-service
host_name
service_description SMTP
check_command check_smtp
}
【SMTPサーバー】
define service{
use generic-service
host_name
service_description TCP:587
check_command check_tcp!587
}