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Cacti : Install2015/06/16

 
Install Cacti to monitor system status.
[1]
[2]
[3]
[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

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