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nagios通过SNMP服务的网络监控,当达到某个设定的值,那么就报警
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http://bbotte.blog.51cto.com/6205307/1403997 nagios服务端和客户端的安装配置
http://bbotte.blog.51cto.com/6205307/1583484 Nagios结合pnp4nagios图形监控
借助于网上提供的资源,做下面的操作
https://github.com/cloved/check_traffic/releases 下载最新版本的shell脚本
下载check_traffic.sh V1.4.0,在附件已经上传
#被监控端/客户端
cd /usr/local/nagios/libexec/ #下载此脚本 chmod 755 check_traffic.sh # yum install net-snmp-utils net-snmp net-snmp-libs bc -y #因脚本里面需要用到bc # mv /etc/snmp/snmpd.conf /etc/snmp/snmpd.conf.bak # vim /etc/snmp/snmpd.conf #配置snmp服务 # 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(configure /etc/snmp/snmp.local.conf) dontLogTCPWrappersConnects yes # service snmpd start # snmpd -L #测试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 #测试本机的网口,主要的数值是index后面的数字 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 #检查权限,所属用户和组都为nagios #此脚本有帮助说明,用-h查看,上面 -I 2 即是对eth0做监控,-w 2000,3000是流入2000K/s,或发送3000K/s会提示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
#被监控端/客户端
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
#监控端/服务端
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重启一下,刚开始会搜集数据,如下面的提示 大概2分钟就能看到图形界面了,
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. Read FAQ
online
file [line]:
application/models/data.php [312]:
back
在nagios页面会看到
此图会有in,out的网卡流量,可以在服务器ifstat验证
此外,http://nagios.manubulon.com/ 这个网站也值得一看,里面有http://nagios.manubulon.com/check_snmp_int.pl 脚本,同样可以实现对网络的监控