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nagios通過SNMP服務的網絡監控,當達到某個設定的值,那么就報警
http://bbotte.blog.51cto.com/6205307/1403997 nagios服務端和客戶端的安裝配置
http://bbotte.blog.51cto.com/6205307/1583484 Nagios結合pnp4nagios圖形監控
借助于網上提供的資源,做下面的操作
https://github.com/cloved/check_traffic/releases 下載最新版本的shell腳本
下載check_traffic.sh V1.4.0,在附件已經上傳
#被監控端/客戶端
cd /usr/local/nagios/libexec/ #下載此腳本 chmod 755 check_traffic.sh # yum install net-snmp-utils net-snmp net-snmp-libs bc -y #因腳本里面需要用到bc # mv /etc/snmp/snmpd.conf /etc/snmp/snmpd.conf.bak # vim /etc/snmp/snmpd.conf #配置snmp服務 # cat /etc/snmp/snmpd.conf|grep -v ^\# |sed '/^$/d' com2sec notConfigUser default public group notConfigGroup v1 notConfigUser group notConfigGroup v2c notConfigUser view systemview included .1.3.6.1.2.1.1 view systemview included .1.3.6.1.2.1.25.1.1 access notConfigGroup "" any noauth exact all none none view all included .1 80 view mib2 included .iso.org.dod.internet.mgmt.mib-2 fc access notConfigGroup "" any noauth exact all none none syslocation Unknown (edit /etc/snmp/snmpd.conf) syscontact Root <root@localhost> (configure /etc/snmp/snmp.local.conf) dontLogTCPWrappersConnects yes # service snmpd start # snmpd -L #測試snmp配置文件 Error opening specified endpoint "" Server Exiting with code 1 # ./check_traffic.sh -V 2c -C public -H localhost -L -vvvv #測試本機的網口,主要的數值是index后面的數字 List Interface for host localhost. Interface index 1 orresponding to lo Interface index 2 orresponding to eth0 Interface index 3 orresponding to eth2 # ./check_traffic.sh -V 2c -C public -H 127.0.0.1 -I 2 -w 2000,3000 -c 3001,5000 -K –B OK - It is the first time of this plugins to run, or some data file lost. We will get the data from the next time. # ll /var/tmp/check_traffic_127.0.0.1_2__itnms.hist_dat_64 #檢查權限,所屬用戶和組都為nagios #此腳本有幫助說明,用-h查看,上面 -I 2 即是對eth0做監控,-w 2000,3000是流入2000K/s,或發送3000K/s會提示warning # -V 1|2c|3 # Specify the version of snmp # # -C Community # Specify the Community # # -H host # Specify the host # # -6 Use 64 bit counter, ifHC* instead of if*. # # -r Use Range instead of single value in warning and critical Threshold; # # -I interface # Specify the interface # # -N interface name # Specify the interface name # # -L List all Interfaces on specify host # # -B/b Switch to B/s or bps, default is -b, bps # # -K/M Switch to K or M (bsp,B/s), default is -K
#被監控端/客戶端
vim /usr/local/nagios/etc/nrpe.cfg command[check_traffic]=/usr/local/nagios/libexec/check_traffic.sh -V 2c -C public -H 127.0.0.1 -I 2 -w 2000,4000 -c 4000,6000 -K -B # service nrped restart
#監控端/服務端
vim /usr/local/nagios/etc/objects/linuxhost.cfg define host{ use mylinux-server,service-pnp host_name 192_168_23_2 alias server tongji address 192.168.23.2 } vim /usr/local/nagios/etc/objects/linux13.cfg define service{ use linux-service,service-pnp host_name 192_168_1_2 service_description check network check_command check_nrpe!check_traffic }
完事把nagios重啟一下,剛開始會搜集數據,如下面的提示 大概2分鐘就能看到圖形界面了,
PNP4Nagios Version 0.6.24
Please check the documentation for information about the following error.
XML
file
"/usr/local/pnp4nagios/var/perfdata/192_168_1_2/check_network.xml" not
found. <a >Read FAQ
online</a>
file [line]:
application/models/data.php [312]:
back
在nagios頁面會看到
此圖會有in,out的網卡流量,可以在服務器ifstat驗證
此外,http://nagios.manubulon.com/ 這個網站也值得一看,里面有 http://nagios.manubulon.com/check_snmp_int.pl 腳本,同樣可以實現對網絡的監控
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