大龍的博客

wget http://osdn.dl.sourceforge.net/s ... nagios-3.0.5.tar.gz
wget http://osdn.dl.sourceforge.net/s ... ugins-1.4.11.tar.gz

/usr/sbin/useradd -m nagios
passwd nagios

/usr/sbin/groupadd nagcmd
/usr/sbin/usermod -a -G nagcmd nagios
/usr/sbin/usermod -a -G nagcmd daemon
# daemon為運行apache的帳號。

tar xzf nagios-3.0.5.tar.gz
cd nagios-3.0.5
./configure –with-command-group=nagcmd –with-gd-lib=/usr/local/libgd/lib/ –with-gd-inc=/usr/local/libgd/include/
make all
# 使用make install來安裝主程序,CGI和HTML文件
make install
# 使用make install-init在/etc/rc.d/init.d安裝啟動腳本
make install-init
# 使用make install-cofig來安裝示例配置文件,安裝的路徑是/usr/local/nagios/etc.
make install-config
# 使用make install-commandmode來配置目錄權限
make install-commandmode

• bin    Nagios執行程序所在目錄，nagios文件即為主程序
• etc    Nagios配置文件位置
• sbin    Nagios Cgi文件所在目錄，也就是執行外部命令所需文件所在的目錄
• Share    Nagios網頁文件所在的目錄
• var    Nagios日志文件、spid 等文件所在的目錄
• var/archives    日志歸檔目錄
• var/rw    用來存放外部命令文件

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ScriptAlias /nagios/cgi-bin “/usr/local/nagios/sbin”
<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
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
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
</Directory>
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/usr/local/apache/bin/htpasswd -c /usr/local/nagios/etc/htpasswd.users nagiosadmin
New password: (輸入密碼)
Re-type new password: (再輸入一次密碼)
Adding password for user nagiosadmin

/usr/local/apache/bin/apachectl -k restart

vi /usr/local/nagios/etc/objects/contacts.cfg
# 將里面的email地址改為自己的email地址。

tar xzf nagios-plugins-1.4.11.tar.gz
cd nagios-plugins-1.4.11
./configure –with-nagios-user=nagios –with-nagios-group=nagios
make
make install

# 配置機器啟動時自動啟動Nagios
chkconfig –add nagios
chkconfig nagios on
# 檢查Nagios配置文件
/usr/local/nagios/bin/nagios -v /usr/local/nagios/etc/nagios.cfg
# 啟Nnagios
service nagios start

vi /etc/selinux/config
# 將下面行設為disabled
SELINUX=disabled
# 重啟系統

http://localhost/nagios/
輸入用戶名及密碼登錄。

tar xzvf nrpe-2.12.tar.gz
cd nrpe-2.12
./configure --enable-command-args（帶參數傳遞）
make all

make install-plugin

vi /usr/local/nagios/etc/objects/commands.cfg
############################################################
#
# 2008.11.18 add by Stone
# NRPE COMMAND
#
############################################################
# ‘check_nrpe ‘ command definition
define command{
command_name check_nrpe
command_line $USER1$/check_nrpe -H $HOSTADDRESS$ -c $ARG1$
}

useradd nagios
tar xzvf nagios-plugins-1.4.13.tar.gz
cd nagios-plugins-1.4.13

./configure
make
make install
chown nagios.nagios /usr/local/nagios/
chown -R nagios.nagios /usr/local/nagios/libexec/
tar xzvf nrpe-2.12.tar.gz
cd nrpe-2.12
./configure
make all
# 安裝nrpe插件，本監控端可以不裝
make install-plugin
# 安裝nrpe守護進程
make install-daemon
# 安張nrpe配置文件
make install-daemon-config
# 修改nrpe配置文件，允許Nagios監控服務器（192.168.0.19）監控
vi nrpe.cfg
# 多臺機器用逗號隔開
allowed_hosts=127.0.0.1,192.168.0.19
# 以獨立守護進程啟動nrpe，也可以使用xinetd啟動nrpe，具體清查看nrpe官方文檔。
/usr/local/nagios/bin/nrpe -c /usr/local/nagios/etc/nrpe.cfg -d
# 開機自動啟動nrpe
vi /etc/rc.d/rc.local
# 加入下面行
/usr/local/nagios/bin/nrpe -c /usr/local/nagios/etc/nrpe.cfg -d
# 檢查nrpe是否安裝正常
[root@wiki etc]# /usr/local/nagios/libexec/check_nrpe -H localhost
NRPE v2.12
# 返回nrpe版本說明安裝沒問題。
# 查看啟動端口
[root@wiki ~]# netstat -tunlp
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address               Foreign Address             State       PID/Program name
tcp        0      0 0.0.0.0:5666                0.0.0.0:*                   LISTEN      27387/nrpe

iptables -I eth0 -p tcp -m tcp -dport 5666 -j ACCEPT

command[check_users]=/usr/local/nagios/libexec/check_users -w 5 -c 10
command[check_load]=/usr/local/nagios/libexec/check_load -w 15,10,5 -c 30,25,20
command[check_hda1]=/usr/local/nagios/libexec/check_disk -w 20% -c 10% -p /dev/hda1
command[check_zombie_procs]=/usr/local/nagios/libexec/check_procs -w 5 -c 10 -s Z
command[check_total_procs]=/usr/local/nagios/libexec/check_procs -w 150 -c 200

command[check_swap]=/usr/local/nagios/libexec/check_swap -w 20% -c 10%

command[check_disk_root]=/usr/local/nagios/libexec/check_disk -w 20% -c 10% -p /