Cacti : Add Monitoring Host


Cacti : Add Monitoring Host
2015/06/16
 
Add Monitoring Target Host on the network.
[1]Install SNMP on the target host you'd like to monitor.
[root@node01 ~]# 
yum -y install net-snmp net-snmp-utils
[root@node01 ~]# 
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
# line 323: uncomment

disk / 10000
[root@node01 ~]# 
systemctl start snmpd 

[root@node01 ~]# 
systemctl enable snmpd
# validation (replace "Serverworld" to the comunity name you set)

[root@node01 ~]# 
snmpwalk -v2c -c Serverworld localhost system 

SNMPv2-MIB::sysDescr.0 = STRING: Linux node01.srv.world 3.10.0-229.4.2.el7.x86_64 #1 SMP Wed May 13.....
SNMPv2-MIB::sysObjectID.0 = OID: NET-SNMP-MIB::netSnmpAgentOIDs.10
DISMAN-EVENT-MIB::sysUpTimeInstance = Timeticks: (3367) 0:00:33.67
SNMPv2-MIB::sysContact.0 = STRING: Root <root@localhost> (configure /etc/snmp/snmp.local.conf)
...
...
SNMPv2-MIB::sysORUpTime.9 = Timeticks: (4) 0:00:00.04
SNMPv2-MIB::sysORUpTime.10 = Timeticks: (4) 0:00:00.04
[2]Login to Cacti admin site and click "Devices" on the left menu.
 
[3]Click "Add" in the right pane.
 
[4]Input items like follows and click "Create" button.
Description ⇒ simply description
Hostname ⇒ target's hostname or IP address
Host Template ⇒ ucd/net SNMP Host
SNMP Comunity ⇒ the comunity name you set in [1]
   
[5]After saving settings, click "Graph Trees" on the left menu and click "Default Tree" in the right pane.
  
[6]Click "Add" in the right pane.
 
[7]Select "Host" in "Tree Item Type" field and select target Host in "Host" field and then click "Create" button.
  
[8]Click "Save" button.
 
[9]Click "New Graphs" on the left menu and select graphs you'd like to add in the right pane and then click "Create" button.
  
[10]After few minutes later, move to the "graphs" tab to view the system status to select the new target host on the left menu like follows.
  

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