Cacti : Install2015/06/16

	Install Cacti to monitor system status.
[1]	Install and start Apache httpd, refer to here.
[2]	Install PHP, refer to here.
[3]	Install and start MariaDB Server, refer to here.
[4]	Install Cacti, SNMP.

# install from EPEL

[root@dlp ~]#

yum --enablerepo=epel -y install cacti net-snmp net-snmp-utils php-mysql php-snmp rrdtool

[5]	Configure SNMP (Simple Network Management Protocol).

[root@dlp ~]#

vi /etc/snmp/snmpd.conf

# line 41: comment out

com2sec notConfigUser default public

# line 74,75: uncomment and change

# change "mynetwork" to your own network

# change comunity name to anyone except public, private (for security reason)

com2sec local localhost

Serverworld

com2sec mynetwork

10.0.0.0/24 Serverworld

# line 78,79: uncomment and change

group MyRWGroup

v2c

local
group MyROGroup

v2c

mynetwork

# line 85: uncomment

view all    included  .1                               80

# line 93,94: uncomment and change

access MyROGroup ""

v2c

noauth

exact

all none none
access MyRWGroup ""

v2c

noauth

exact

all all all

[root@dlp ~]#

systemctl start snmpd

[root@dlp ~]#

systemctl enable snmpd

# validation (replace "Serverworld" to the comunity name you set)

[root@dlp ~]#

snmpwalk -v2c -c Serverworld localhost system

SNMPv2-MIB::sysDescr.0 = STRING: Linux dlp.srv.world 3.10.0-229.4.2.el7.x86_64 #1 SMP Wed May.....
SNMPv2-MIB::sysObjectID.0 = OID: NET-SNMP-MIB::netSnmpAgentOIDs.10
DISMAN-EVENT-MIB::sysUpTimeInstance = Timeticks: (91954) 0:15:19.54
SNMPv2-MIB::sysContact.0 = STRING: Root <root@localhost> (configure /etc/snmp
.....
.....
SNMPv2-MIB::sysORUpTime.9 = Timeticks: (4) 0:00:00.04
SNMPv2-MIB::sysORUpTime.10 = Timeticks: (4) 0:00:00.04

[6]	Create a Database for Cacti and import tables.

[root@dlp ~]#

mysql -u root -p

Enter password:
Welcome to the MariaDB monitor.  Commands end with ; or \g.
Your MariaDB connection id is 3342
Server version: 5.5.41-MariaDB MariaDB Server

Copyright (c) 2000, 2014, Oracle, MariaDB Corporation Ab and others.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

# create a "Cacti" database ( set any password for 'password' section )

MariaDB [(none)]>

create database cacti;

Query OK, 1 row affected (0.00 sec)

MariaDB [(none)]>

grant all privileges on cacti.* to cacti@'localhost' identified by 'password';

Query OK, 0 rows affected (0.00 sec)

MariaDB [(none)]>

flush privileges;

Query OK, 0 rows affected (0.00 sec)

MariaDB [(none)]>

exit

Bye

[root@dlp ~]#

mysql -u cacti -p cacti < /usr/share/doc/cacti-*/cacti.sql

Enter password:

# cacti user's password

[7]	Configure Cacti.

[root@dlp ~]#

vi /etc/cron.d/cacti

# uncomment

*/5 * * * * cacti /usr/bin/php /usr/share/cacti/poller.php > /dev/null 2>&1

[root@dlp ~]#

vi /usr/share/cacti/include/config.php

# line 29: change to the connection info to MariaDB

$database_type = "mysql";
$database_default = "cacti";
$database_hostname = "localhost";
$database_username = "

cacti

";
$database_password = "

password

";
$database_port = "3306";
$database_ssl = false;

[root@dlp ~]#

vi /etc/httpd/conf.d/cacti.conf

# line 17: add access permission if need

Require host localhost

Require ip 10.0.0.0/24

[root@dlp ~]#

systemctl restart httpd

Matched Content