CentOS7cacti

云计算

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此实验需要联网,所以要两块网卡,一块仅主机,一块桥接

systemctl stop firewalld
setenforce 0
cd /etc/yum.repos.d/
cp back/* ./

添加所需的yum源
vi all.repo

---新增中科大mariadb源----
[mariadb]
name = MariaDB
baseurl = https://mirrors.ustc.edu.cn/mariadb/yum/10.3/centos7-amd64/
gpgkey=https://mirrors.ustc.edu.cn/mariadb/yum/RPM-GPG-KEY-MariaDB
gpgcheck=1

 
 

安装所需的安装包:
yum install -y \\
httpd \\
MariaDB-client MariaDB-server \\
MariaDB-devel \\
php \\
php-snmp \\
php-ldap \\
php-pdo \\
php-mysql \\
php-devel \\
php-pear \\
php-common \\
php-gd \\
php-mbstring \\
php-xml \\
php-process \\
net-snmp \\
net-snmp-utils \\
net-snmp-libs \\
net-snmp-agent-libs \\
net-snmp-devel \\
rrdtool \\
rrdtool-php \\
rrdtool-perl \\
rrdtool-devel \\
gcc openssl-devel \\
dos2unix \\
autoconf \\
automake \\
binutils libtool \\
cpp postfix \\
glibc-headers \\
kernel-headers \\
glibc-devel \\
gd gd-devel \\
help2man \\
ntpdate \\
wget patch

vi /etc/httpd/conf/httpd.conf
ServerName www.aa.com
 DirectoryIndex index.html     //把html改成php
vi /etc/httpd/conf.d/php.conf    ——————末尾新增
LoadModule php5_module modules/libphp5.so

 
 

vi /etc/php.ini
safe_mode=off    //在[PHP]下插入
date.timezone = PRC    //去掉注释

 
 

systemctl stop firewalld
setenforce 0
 
systemctl start httpd
systemctl start mariadb
 
netstat -anpt | grep 80
 
netstat -anpt | grep 3306
 
Mysql_secure_installation 安全配置向导
 
y-n-y-y

vi /var/www/html/index.php    //编辑网页测试文件

 

测试,在浏览器中输入192.168.80.100
 
 

vi /etc/my.cnf.d/server.cnf //[MYSQLd]下配置
 
character_set_server = utf8mb4
collation_server = utf8mb4_unicode_ci
character_set_client = utf8mb4
max_connections = 100
max_heap_table_size = 256M
max_allowed_packet = 16777216
join_buffer_size = 64M
tmp_table_size = 64M
innodb_file_per_table = ON
innodb_buffer_pool_size = 1024M
innodb_doublewrite = OFF
innodb_lock_wait_timeout = 50
innodb_flush_log_at_timeout = 3
innodb_read_io_threads = 32
innodb_write_io_threads = 16

 
 

mysql -u root -p //登入数据库
 
CREATE DATABASE cacti character set utf8 collate utf8_bin;
GRANT all ON cacti.* TO \'cacti\'@\'%\' IDENTIFIED BY \'admin123\';
GRANT all ON cacti.* TO \'cacti\'@\'localhost\' IDENTIFIED BY \'admin123\';
flush privileges;

 
 

vi /var/www/html/index.php
Success!!;
else echo Fail!!;
?>

 

测试检测mysql php是否协同工作,在浏览器中输入192.168.80.100

 
---------------------到此,LAMP架构结束---------------------------

yum install -y lrz*s
安装cacti
tar xf cacti-1.1.26.tar.gz
mv cacti-1.1.26 /var/www/html/cacti
mysql -ucacti -p cacti < /var/www/html/cacti/cacti.sql
mysql_tzinfo_to_sql /usr/share/zoneinfo | mysql -uroot mysql -p
 

 

mysql -u root -p
 
grant select on mysql.time_zone_name to \'cacti\'@\'%\' IDENTIFIED BY \'admin123\';
 //在数据库中为时区文件授权
flush privileges;

 
 

vi /var/www/html/cacti/include/config.php
$database_hostname=\'192.168.80.100\';
$database_username = \'cacti\';
$database_password = \'admin123\';

 
 

配置SNMP   简单网络管理协议
vi /etc/snmp/snmpd.conf
 
access  notConfigGroup       any       noauth    exact  all none none       //把systemview改成all 62
 
view all    included  .1                               80  // 去掉#号 85

 
 
 

systemctl restart snmpd
systemctl enable snmpd

 

useradd -r -M cacti
chown -R 777 /var/www/html/cacti/rra/
chown -R 777 /var/www/html/cacti/log/
chown -R apache.apache /var/www/html/cacti/resource/
chown -R apache.apache /var/www/html/cacti/cache
chown -R apache.apache /var/www/html/cacti/scripts

 

crontab -e
*/5 * * * * /usr/bin/php  /var/www/html/cacti/poller.php >> /tmp/cacti_rrdtool.log

 
 
 

安装cacti-spine优化数据轮询速度
ln -s /usr/lib64/libmysqlclient.so.18.0.0  /usr/lib64/libmysqlclient.so
 
tar xf cacti-spine-1.1.26.tar.gz
cd cacti-spine-1.1.26
./configure && make && make install
 
cp /usr/local/spine/etc/spine.conf.dist /usr/local/spine/etc/spine.conf
 
vi /usr/local/spine/etc/spine.conf //修改相关参数
 
DB_Host                 localhost
DB_Database             cacti
DB_User                 cacti
DB_Pass                 admin123
DB_Port                 3306
 
RDB_Host                localhost
RDB_Database            cacti
RDB_User                cacti
RDB_Pass                admin123
RDB_Port                3306

 

/usr/local/spine/bin/spine -c /usr/local/spine/etc/spine.conf
 

systemctl restart httpd
systemctl restart mariadb

 
-----------登录到页面-----------
192.168.80.100/cacti/
 

安装过程









用户名与密码默认admin,登录后密码要求修改(至少八位,并且复杂)

重设密码,密码为大写小写特殊字符组合
 
重新访问:http://192.168.80.10/cacti/

 
(控制台)Console -> 系统配置 -> 设置(Cacti Settings) -> Paths -> 在 Spine Binary File Location 文本框内填入配置文件路径 /usr/local/spine/bin/spine ,点击保存 (Save)。

Console -> 设置(Cacti Settings) -> Poller -> 在 Poller Type 下拉框中选择 spine ,点击保存 (Save)。注意:假如使用spine的话,下面两项轮训时间和计划任务间隔时间都要设置为every Minute


 

在查看图形数据的时候如果报错:
/bin/rrdtool :symbol lookup error: /lib64/libpango-1.0.so.0:undefined symboll
 
解决方法:
yum  update glib2 -y

 

如果报错:
error:opening \'/var/www/html/cacti/rra/local_linux_machine_load_1min_2.rrd\':No such file or directory
 
解决方法:
chmod -R 777 /var/www/html/cacti/rra
/usr/bin/php   /var/www/html/cacti/poller.php

 
 
 
添加设备:


 

 

 Win7设置:
控制面板—程序和功能

 
打开服务管理器:
Win+r,services.msc

 

 
 
在添加完设备和图形后,需要重建采集器缓存。

去cacti上查看
管理à设备(device)
查看linux状态为UP即可,注意不要着急spine方式刚刚启动需要2-5分钟左右时间,有快有慢

设置主机的IP地址:

然后直接选图形,可以查看cacti处理后的图片

 
 
 
--------------------------添加一台linux服务器:-------------------------
yum install -y \\
net-snmp \\
net-snmp-utils \\
net-snmp-libs \\
net-snmp-agent-libs \\
net-snmp-devel
 
 
配置SNMP 简单网络管理协议
vi /etc/snmp/snmpd.conf
 
com2sec notConfigUser 192.168.80.100 public #允许哪个服务器监控本机 ,public团体名
 
access notConfigGroup "" any noauth exact all none none //把systemview改成all 62
 
view all included .1 80 // 去掉#号 85
 
systemctl restart snmpd
 
可以再cacti服务器端执行如下命令:
snmpwalk -v2c -c public 192.168.80.101
测试能不能抓取到数据
 
 


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