1、安装rrdtool
yum install rrdtool rrdtool-perl -y
2、安装配置net-snmp
- (1)、安装net-snmp
yum install net-snmp net-snmp-libs net-snmp-utils
可能报错:
...
2:postfix-2.10.1-6.el7.x86_64 has missing requires of libmysqlclient.so.18()(64bit)
2:postfix-2.10.1-6.el7.x86_64 has missing requires of libmysqlclient.so.18(libmysqlclient_18)(64bit)
解决:缺少Percona-XtraDB-Cluster-shared-55-5.5.37-25.10.756.el6.x86_64.rpm这个包
# wget http://www.percona.com/redir/downloads/Percona-XtraDB-Cluster/5.5.37-25.10/RPM/rhel6/x86_64/Percona-XtraDB-Cluster-shared-55-5.5.37-25.10.756.el6.x86_64.rpm
# rpm -ivh Percona-XtraDB-Cluster-shared-55-5.5.37-25.10.756.el6.x86_64.rp
- (2)、配置net-snmp
vim /etc/snmp/snmpd.conf
41行 1将default 改为监控服务器ip;2 将public 改成复杂些的识别的字符串
com2sec notConfigUser 127.0.0.1 public
62行 1将systemview 改为all,供所有snmp 访问权限
access notConfigGroup "" any noauth exact all none none
85行 将#注释符号去掉
view all included .1 80
(3)、启动net-snmp
service snmpd start
可能提示:Redirecting to /bin/systemctl start snmpd.service
解决方法:/bin/systemctl start snmpd
(4)、测试net-snmp
snmpd 使用 tcp/udp 161 端口,验证snmpd 服务lsof -i :161
使用snmpwalk 命令验证snmpwalk -v 2c -c public 127.0.0.1 -v是指版本,-c 是指密钥,获取到系统信息则正常! 如果cacti搭建好后很久还是没出图,用这个命令试试看能否获取到数据。 正常情况下,执行完这个命令后会有很多数据出现!
3、安装cacti
- (1)、安装net-snmp
cd /tmp wget http://www.cacti.net/downloads/cacti-0.8.8a.tar.gz tar xzf cacti-0.8.8a.tar.gz mv cacti-0.8.8a /var/www/cacti cd /var/www/cacti
(2)、创建数据库
mysqladmin --user=root -p create cacti
(3)、导入数据库
mysql -uroot -p cacti < cacti.sql
可能报错:ERROR 1067 (42000) at line 1847: Invalid default value for ‘status_fail_date’
原因:status_fail_date的datetime默认类型是不允许的
解决方法:vim /etc/my.cnf 添加如下内容: sql-mode="ONLY_FULL_GROUP_BY,STRICT_TRANS_TABLES,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION" 重启mysql服务:systemctl restart mysqld
(4)、创建数据库用户
shell> mysql -uroot -p mysql mysql> GRANT ALL ON cacti.* TO cactiuser@localhost IDENTIFIED BY 'Cacti@pwd001231'; mysql> flush privileges;
(5)、配置include/config.php
$database_type = "mysql"; $database_default = "cacti"; $database_hostname = "localhost"; $database_username = "cactiuser"; $database_password = "Cacti@pwd001231";
打开注释掉的:$url_path = "/cacti/";
(6)、配置include/global.php
/* Default database settings*/ $database_type = "mysql"; $database_default = "cacti"; $database_hostname = "localhost"; $database_username = "cactiuser"; $database_password = "Cacti@pwd001231"; $database_port = "3306"; $database_ssl = false;
(7)、设置目录权限
useradd cactiuser chown -R cactiuser rra/ log/
(8)、配置计划任务
#crontab -e */5 * * * * /usr/bin/php /var/www/html/cacti/poller.php > /dev/null 2>&1 //让系统每5分钟收集 service crond restart
(9)、完成cacti的安装
注意关闭防火墙或者允许80端口,关闭selinux
1) 在浏览器中输入:http://监控服务器IP/cacti/
默认用户名:admin 密码:admin
2)设置cacti用到的命令路径
3) 更改密码
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