Linux installation cacti

Monitoring software cacti Building

First, the Environment preparation

1. Install Epel extension Source

[email protected] ~]# Yum install-y epel-release

2. Build Lamp Environment

[[email protected] ~]# yum install -y  httpd php php-mysql  mysql mysql-server mysql-devel php-gd  libjpeg libjpeg-devel libpng-devel[[ Email protected] ~]# /etc/init.d/httpd start is starting  httpd:                                              [determining][[email protected] ~]# /etc/init.d/mysqld start Initialization  MySQL  Database:  installing mysql system tables ... Okfilling help tables ... okto start mysqld at boot time you have to copysupport-files/ Mysql.server to the right place for your systemplease remember to  set a password for  the mysql root user ! to do so, start the server, then issue the following  commands:/usr/bin/mysqladmin -u root password  ' New-password '/usr/bin/mysqladmin -u  root -h cacti password  ' New-password ' alternatively you can run:/usr/ bin/mysql_secure_installationwhich will also give you the option of  Removing the testdatabases and anonymous user created by default.   this isstrongly recommended for production servers. See the manual for more instructions. You can start the mysql daemon with:cd /usr ; /usr/bin/mysqld_ safe &you can test the mysql daemon with mysql-test-run.plcd  /usr/mysql-test ; perl mysql-test-run.plplease report any problems with the /usr/bin/mysqlbug script!                                                               [OK] starting  mysqld:                                            [OK]

3, install cacti monitoring host

[[email protected] ~]# yum install -y cacti  net-snmp   net-snmp-utils  rrdtool net-snmp-devel net-snmp-libs lm-sensors php-xml  zlib libpng freetype cairo-devel pango-devel gd[[email protected] ~]#  /etc/init.d/snmpd start is starting  snmpd:                                             [Determine][[email protected ] ~]# mysql -u rootwelcome to the mysql monitor.  commands  end with ; or \g.Your MySQL connection id is 4Server  version: 5.1.73 source distributioncopyright  (c)  2000, 2013, Oracle  And/or its affiLiates. all rights reserved. oracle is a registered trademark of oracle corporation and/or  Itsaffiliates. other names may be trademarks of their respectiveowners . type  ' help; '  or  ' \h '  for help. Type  ' \c '  to clear the current input  statement.mysql> create database cacti;mysql> grant all on  cacti.* to  ' cactiuser ' @ ' localhost '  identified by  ' cactiuser '; query ok, 0 rows affected  (0.00 sec) mysql> exitbye[[email protected ] ~]# mysql -u root cacti < /usr/share/doc/cacti-0.8.8b/cacti.sql[[email  protected] ~]# vim /usr/share/cacti/include/config.php$database_type =  "MySQL"; $database _default =  "cacti"; $database _hostname =  "localhost"; $database_username =  "Cactiuser"; $database _password =  "Cactiuser"; $database _port =  "3306" ; $database _ssl = false; [[email protected] ~]# vim /etc/httpd/conf.d/cacti.confdeny from all  revision changed to  allow from all[[email protected] ~]# /etc/init.d/httpd restart Stop   httpd:                                                 [OK] starting  httpd:                                              [OK]

4. Access via browser

If access is not available, please check the host's iptables and SELinux

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Figure: A

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Fig.: Two

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Fig.: Three

To the login, the default account is admin, password for admin

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Fig.: Four

After logging in, the system will force the user to change the password

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Fig.: Five

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Fig.: Six

Click Graphs-default tree-host Localhost to enter the system monitoring interface

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Fig.: Seven

We see the monitoring interface, there is no plot, set the plot

[[email protected] ~]#/usr/bin/php/usr/share/cacti/poller.php OK u:0.00 s:0.00 r:0.00ok u:0.00 s:0.00 r:0.01ok u:0.00 s:  0.00 R:0.03ok u:0.00 s:0.00 r:0.05ok u:0.00 s:0.00 r:0.0806/13/2015 09:59:49 pm-system stats:time:0.1974 Method:cmd.php Processes:1 threads:n/a hosts:2 hostsperprocess:2 datasources:5 rrdsprocessed:5[[email protected] ~]# crontab-e# let command every 5 minutes The clock executes once */5 * * * */usr/bin/php/usr/share/cacti/poller.php >/dev/null 2>&1

We're refreshing, and the picture's out.

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Figure: Eight

Data needs to wait for a while before it comes out

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Next we add the monitored host

The #  is installed on the monitored host [[email protected] ~]# yum install -y net-snmp lm_sensors[ [email protected] ~]# vim /etc/snmp/snmpd.conf#syslocation unknown  (edit / etc/snmp/snmpd.conf) syslocation 192.168.1.118#       group           context sec.model sec.level prefix read    write  notifaccess  notConfigGroup  ""        any       noauth    exact  all  none noneview all    included  .1                                 80     Remove the comment "#" [[email protected] ~]#  /etc/init.d/snmpD start is starting  snmpd:                                             [OK]

Add a host by clicking Add, Console, Devices

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Start adding the monitored host information, complete, click Create

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Created to see if the communication is OK, create the host, create the item to be monitored click Create Graphs for this host,

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Select the items you want to monitor, as needed

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Monitoring project added, add the host to the monitoring trunk, click on the left graph Trees

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Click Add to add a monitored host

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Type select host, and then select the hosts you want to add

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Add complete, click Save

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              to the main interface to see if added successfully, it is best to refresh on the monitoring server

[[email protected] ~]# /usr/bin/php /usr/share/cacti /poller.php --forceok u:0.00 s:0.00 r:0.00ok u:0.00 s:0.00 r:0.01ok u : 0.00 s:0.00 r:0.03ok u:0.00 s:0.00 r:0.05ok u:0.00 s:0.00 r:0.08ok  u:0.00 s:0.00 r:0.09ok u:0.00 s:0.00 r:0.09ok u:0.00 s:0.00 r:0. 09ok u:0.00 s:0.00 r:0.09ok u:0.00 s:0.00 r:0.09ok u:0.00 s:0.00  r:0.09ok u:0.00 s:0.00 r:0.09ok u:0.00 s:0.00 r:0.09ok u:0.00 s:0.00  r:0.09ok u:0.00 s:0.00 r:0.09ok u:0.00 s:0.00 r:0.09ok u:0.00 s : 0.00 r:0.1006/13/2015 05:16:53 pm - system stats: time:0.2109 method: cmd.php processes:1 threads:n/a hosts:3 hostsperprocess:3 datasources:20  Rrdsprocessed:17 

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Successfully added!!

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Linux installation cacti