Nagios 監控軟體

過程如下： ——解壓nagios #tar -zvxf nagios-3.2.1.tar.gz #cd nagios-3.2.1 ——編譯 #./configure --with-command-group=nagcmd #make all ——安裝nagios，初始化指令碼及配置檔案，nagios將會被安裝至/usr/local/nagios #make install #make install-init #make install-config #make install-commandmode ——安裝web介面，介面將會安裝到 /usr/local/nagios/share ( http 配置檔案預設新增到 /etc/httpd/conf.d/nagios.conf，如果沒有則執行： ——建立http認證使用者登入nagios，使用者名稱nagiosadmin，密碼123456 #htpasswd -c /usr/local/nagios/etc/htpasswd.users nagiosadmin ——重啟apache ——安裝nagios外掛程式 #tar -zvxf nagios-plugins-1.4.14.tar.gz #cd nagios-plugins-1.4.14 #./configure --with-nagios-user=nagios --with-nagios-group=nagios #make && make install ——配置nagios管理員接受告警資訊的郵箱，寫入管理員郵箱 #vim /usr/local/nagios/etc/objects/contacts.cfg email [email protected] ; ——校驗nagios配置檔案，驗證配置是否有誤 #/usr/local/nagios/bin/nagios -v ——啟動nagios，配置在系統啟動時執行nagios ——執行nagion #service nagios start 四、登陸到web介面輸入使用者名稱密碼:nagiosadmin 123456，http://localhost/nagios/

=search&itemid=74&searchword=postfix

#!/bin/bash
##check_postque -w 10 -c 30 -w 1000000 -c 3000000 -p postfix"
#state_ok=0
state_warning=1
state_critical=2
state_unknown=3
exitstatus=3
#接受10個引數
if [ "$#" == "10" ]; then
arg=$
w=$2
c=$4
w=$6
c=$8
mail_empty="mail queue is empty"
mails=`postqueue -c /etc/$arg -p`
# if ; then
if [ "$mails" == "$mail_empty" ]; then
exitstatus=$state_ok
echo "ok : $mail_empty"
else
crt=`postqueue -c /etc/$arg -p | grep kbytes | sed -e 's/^.*--.//g' | awk ''`
msg=`postqueue -c /etc/$arg -p | grep kbytes | sed -e 's/^.*--.//g' | awk ''`
if [ $msg -gt $c -o $crt -gt $c ]; then 
exitstatus=$state_critical 
echo "critical : queue has $ messages in $ kbytes, higher then critical limit." 
elif [ $msg -gt $w -o $crt -gt $w ] ; then
exitstatus=$state_warning
echo "warning : queue has $msg messages in $crt kbytes, higher then warning limit."
else
exitstatus=$state_ok
echo "ok : mail queue has $msg messages in $crt kbytes."
fifi 
# else
# exitstatus=$state_critical
# echo "critical : mail system is down " 
# fi 
else
echo " "
echo "please provide parameters to work with."
echo "help : ./check_postque -w 10 -c 30 -w 1000000 -c 3000000 -p postfix"
echo "where :"
echo " -w = request warning limit"
echo " -c = request critical limit"
echo " -w = message size warning limit"
echo " -c = message size critical limit"
echo " -p = postfix instance name"
echo " "
fi 
exit $exitstatus

接著修改郵件伺服器的nrpe.cfg檔案，增加如下command監控： -c 5000000 -p postfix #佇列數大於50告警，100嚴重告警。郵件大小總計300m告警，郵件大小總計500m嚴重告警

define command

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