環境描述:
操作系統 :CentOs 6.5
監控類別 :軟件
IP : 監控ip
監控端 : lnmp環境,cacti,snmp服務,rrdtoo
被監控端 : snmp服務
注:lnmp環境和snmp服務安裝不再贅述,按照要求主要是爲監控流量,未安裝其他插件
監控端操作
1.首先用系統自帶的yum命令安裝、升級所需的程序庫
yum install rrdtool rrdtool-develnet-snmp-devel net-snmp-utils net-snmp-python net-snmp-perl lm_sensors-develfile-devel rpm-devel intltool libart_lgpl elfutils mysql-devel Mod_auth_mysql php-mysql cairodejavu-fonts-common.noarch dejavu-lgc-sans-mono-fonts.noarchdejavu-sans-mono-fonts.noarch fontpackages-filesystem.noarch libXft libXrenderlibthai pango perl-rrdtooltcp_wrappers-devel
2.將snmp服務加入啓動項,並開啓snmp服務
chkconfig snmpd on
sed -i "41s#default#監控ip#g" /etc/snmp/snmpd.conf
sed -i "62s#systemview#all#g" /etc/snmp/snmpd.conf
sed -i "85s/#//g" /etc/snmp/snmpd.conf
service snmpd start
3.防火牆設置
-A INPUT -m state --state NEW -m tcp -p tcp --dport 80 -j ACCEPT
-A INPUT -m state --state NEW -m tcp -p tcp --dport 8080 -j ACCEPT
-A INPUT -m state --state NEW -m tcp -p tcp --dport 3306 -j ACCEPT
-A INPUT -m state --state NEW -m udp -p udp --dport 161 -j ACCEPT
-A INPUT -m state --state NEW -m tcp -p tcp --dport 22 -j ACCEPT
-A INPUT -m state --state NEW -m udp -p udp --dport 514 -j ACCEPT
service iptables restart(重啓防火牆服務)
4.cacti軟件包下載:(路徑:/usr/local/src)
wget http://www.cacti.net/downloads/cacti-0.8.8c.tar.gz
解壓cacti-0.8.8c.tar.gz並放到nginx默認目錄
tar zxvf cacti-0.8.8c.tar.gz
mv cacti-0.8.8c cacti
cp -r cacti /usr/local/nginx/html/
chown -R www:www/usr/local/nginx/html/cacti/
chmod 777 /usr/local/nginx/html/cacti/
useradd cactiuser
chown -R cactiuser:cactiuser/usr/local/nginx/html/cacti/rra
chown -R cactiuser:cactiuser/usr/local/nginx/html/cacti/log
5.Mysql設置
mysql –u root –p輸入密碼
mysql> create database cacti defaultcharacter set utf8;
mysql> grant all on cacti.* tocactiuser@localhost identified by 'cactiuser';
mysql> use cacti;
mysql> source/usr/local/nginx/html/cacti/cacti.sql;
mysql> flush privileges;
mysql> quit
備註:爲了不修改配置文件,因此使用cactiuser用戶,cactiuser密碼
6.訪問地址,瀏覽器中輸入:http://監控ip/cacti/install
默認密碼爲admin:admin
首次登陸修改密碼
7.加入開機啓動項:
crontab -e
*/5 * * * * /usr/local/php/bin/php /usr/local/nginx/html/cacti/poller.php &> /dev/null
service crond restart #啓動crond
/usr/local/php/bin/php /usr/local/nginx/html/cacti/poller.php #手動刷新數據
被監控端操作
1、安裝snmp服務
yum -y install net-snmp*
2、設置防火牆通過snmp服務161端口
sed -i '10 i\-A INPUT -m state --state NEW-m udp -p udp --dport 161 -j ACCEPT' /etc/sysconfig/iptables
service iptables restart(重啓防火牆服務)
sed -i "41s#default#監控ip#g" /etc/snmp/snmpd.conf
sed -i "62s#systemview#all#g" /etc/snmp/snmpd.conf
sed -i "85s/#//g" /etc/snmp/snmpd.conf
service snmpd restart(重啓snmp服務)