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* 回复内容中包含的链接未经审核,可能存在风险,暂不予完整展示!以前确认过机器上安装了snmp,但是这是redhat自带的,据说里面是没有snmpwalk,snmpget这些命令的,所以我这里要重新
编译安装NET-SNMP
官方网站
http://w*.net-snmp.org/
下载文件
wget http://nchc.dl.s*********.net/project/net-snmp/net-snmp/5.5/net-snmp-5.5.tar.gz
解开压缩包
tar zxvf net-snmp-5.5.tar.gz
配置
./configure --prefix=/usr/local/net-snmp --enable-developer
中间有提示,一路回车下去
make
报错如下:
grep: /usr/lib/libbeecrypt.la: No such file or directory
/bin/sed: can"t read /usr/lib/libbeecrypt.la: No such file or directory
libtool: link: `/usr/lib/libbeecrypt.la" is not a valid libtool archive
make[1]: *** [libnetsnmpmibs.la] 错误 1
make[1]: Leaving directory `/var/tmp/net-snmp-5.5/agent"
make: *** [subdirs] 错误 1
解决办法:
安装beecrypt
wget http://nchc.dl.s*********.net/sourceforge/beecrypt/beecrypt-4.1.2.tar.gz
tar zxvf beecrypt-4.1.2.tar.gz
./configure --prefix=/usr
make
make install
重新make,又报错了,报错如下:
/usr/bin/ld: cannot find -lelf
collect2: ld returned 1 exit status
make[1]: *** [libnetsnmpmibs.la] 错误 1
make[1]: Leaving directory `/var/tmp/net-snmp-5.5/agent"
make: *** [subdirs] 错误 1
解决办法:
ln -s libelf.so.1 /usr/lib/libelf.so
继续make,成功了:)
make install
安装成功。
链接过去
ln -s /usr/local/net-snmp/bin/* /usr/local/bin/
cp EXAMPLE.conf /usr/local/net-snmp/share/snmp/snmpd.conf
/usr/local/net-snmp/sbin/snmpd //启动SNMP服务
vi /etc/rc.d/rc.local
//在rc.local上加入一行/usr/local/net-snmp/sbin/snmpd,系统启动时启动SNMP服务
现在再回头看看cacti的错误
错误:/usr/local/bin/snmpwalk
错误:/usr/local/bin/snmpget
错误:/usr/local/bin/snmpbulkwalk
错误:/usr/local/bin/snmpgetnext
再次点开,这次就没有以上的错误啦。点Finish
输入用户名和密码admin/admin
登陆后点击graph图标,图没有出来。继续查找下原因,快要成功了:)
查看后台日志cacti里面的log/cacti.log,日志如下:
POLLER: Poller[0] Maximum runtime of 298 seconds exceeded. Exiting
点击控制面板console----->Data Sources
选择列表中的一个Localhost-Load Average
点击右上角的Turn Off Data Source Debug Mode
下面会出现对应的命令Data Source Debug
/usr/local/bin/rrdtool create
/usr/local/apache2/htdocs/cacti/rra/localhost_load_1min_5.rrd
--step 300
DS:load_1min:GAUGE:600:0:500
DS:load_5min:GAUGE:600:0:500
DS:load_15min:GAUGE:600:0:500
RRA:AVERAGE:0.5:1:600
RRA:AVERAGE:0.5:6:700
RRA:AVERAGE:0.5:24:775
RRA:AVERAGE:0.5:288:797
RRA:MAX:0.5:1:600
RRA:MAX:0.5:6:700
RRA:MAX:0.5:24:775
RRA:MAX:0.5:288:797
su cacti,执行该命令,报错如下:
ERROR: creating "/usr/local/apache2/htdocs/cacti/rra/localhost_load_1min_5.rrd": 权限不够
晕,前面不是赋予了权限了嘛,难道搞错了。再赋予一次。
chown -R cacti rra
chown -R cacti log
执行命令,OK了,检查一下目录rra,哈哈,已经有一个文件了。去看看图看。图有了,但是是否有正确的每5分钟采集一次
就要等等,等好几个5分钟再来看看了。等了一会儿,还是没有数据,唉,好事多磨啊,有图像了,又没有数据。。。。
检查snmp
snmpwalk -c public -v 2c 10.206.19.59 if 有很多信息返回
检查数据
rrdtool fetch localhost_mem_swap_4.rrd AVERAGE,返回的都是
1261452300: nan
1261452600: nan
文件更新信息
rrdtool lastupdate localhost_mem_swap_4.rrd --template,返回数据
users
1261535656: U
文件信息
rrdtool info localhost_users_6.rrd,返回信息:
filename = "localhost_users_6.rrd"
rrd_version = "0003"
step = 300
last_update = 1261535656
ds[users].type = "GAUGE"
ds[users].minimal_heartbeat = 600
ds[users].min = 0.0000000000e+00
ds[users].max = 5.0000000000e+02
ds[users].last_ds = "U"
ds[users].value = 0.0000000000e+00
网上搜索资料,可能是SNMP没有配置好
vi /usr/local/net-snmp/share/snmp/snmpd.conf
cp /etc/snmp/snmpd.conf /usr/local/net-snmp/share/snmp/snmpd.conf
重启snmp
/usr/local/net-snmp/sbin/snmpd
修改定时任务
[root@dev1 snmp]# crontab -e -u cacti
*/5 * * * * /usr/local/bin/php -q /usr/local/apache2/htdocs/cacti/poller.php > /var/log/poller.log 2>&1
检查定时任务是否启动了
/etc/init.d/crond status
一切正常
检查log/cacti.log日志
12/23/2009 01:14:16 PM - POLLER: Poller[0] WARNING: Cron is out of sync with the Poller Interval! The Poller Interval is "300" seconds, with a maximum of a "300" second Cron, but 4754 seconds have passed since the last poll!
12/23/2009 01:20:01 PM - POLLER: Poller[0] WARNING: Cron is out of sync with the Poller Interval! The Poller Interval is "300" seconds, with a maximum of a "300" second Cron, but 345 seconds have passed since the last poll!
12/23/2009 01:25:00 PM - POLLER: Poller[0] Maximum runtime of 298 seconds exceeded. Exiting.
12/23/2009 01:25:00 PM - SYSTEM STATS: Time:298.7072 Method:cmd.php Processes:1 Threads:N/A Hosts:2 HostsPerProcess:2 DataSources:5 RRDsProcessed:0
12/23/2009 01:30:00 PM - POLLER: Poller[0] Maximum runtime of 298 seconds exceeded. Exiting.
手工执行了几次
php cacti/cmd.php
php cacti/poller.php
PHP Deprecated错误的解决
vi /usr/local/lib/php.ini
加入:
php_flag allow_call_time_pass_reference On
php_value error_reporting "E_ALL & ~E_NOTICE & ~E_DEPRECATED"
终于有数据了,发现好像是执行了php cacti/cmd.php,但是最后还是有些问题