Step by Step Installing Zabbix on CentOS

Step by Step Installing Zabbix on CentOS

Install Apache Server on CentOS, RedHat, Linux

# yum install httpd

# chkconfig httpd on

# service httpd start

 Starting httpd:                                            [  OK  ]

Install PHP

#  yum install php

Install MySQL

# yum install mysql-server mysql php-mysql

# service mysqld start

# chkconfig mysqld on

Install Mail Server

Remove sendMail

# yum remove sendmail

# yum install postfix

The configuration file is located at /etc/postfix/main.cf. Edit the file and make sure you change the following lines with your domain name.

1) What domain name to use in outbound mail

  Eg:- mydomain = example.com

     myorigin = $mydomain

2) What domains to receive mail for

  Eg:- mydestination = 

3) What clients to relay mail from

  Eg:- mynetworks = 192.168.10.0/24 , 192.168.73.0/24, 127.0.0.0/8

4) What destinations to relay mail to

  Eg:- relay_domains = $mydestination

5) What delivery method: direct or indirect

  (For direct delivery to Internet.)

  Eg:-  relayhost = 

Now edit the mail configruaration file and set parameter to send mail with our register domain name.

# vi /etc/postfix/main.cf

myhostname= zabbix.example.com

mydomain = example.com

myorigin = $mydomain

inet_interfaces = all

mydestination =

mynetworks = 192.168.19.0/24 , 192.168.73.0/24, 127.0.0.0/8

relay_domains = $mydestination

relayhost =  

# chkconfig postfix on

# /etc/init.d/postfix restart

Shutting down postfix:                                     [FAILED]

Starting postfix:                                                [  OK  ]

Test mail server by sending test mail from telnet

# telnet localhost 25

Trying 127.0.0.1...

Connected to localhost.localdomain (127.0.0.1).

Escape character is '^]'.

220 zabbix.glam.com ESMTP Postfix

helo

501 Syntax: HELO hostname

helo example.com

250 zabbix.example.com

mail from:zabbix@example.com

250 2.1.0 Ok

rcpt to:abc_username@gmail.com

250 2.1.5 Ok

data

354 End data with <CR><LF>.<CR><LF>

subject: test message

this is the test mail

.

250 2.0.0 Ok: queued as F02B840410

quit

221 2.0.0 Bye

Connection closed by foreign host.

Zabbix Installation

We will be installing following components:

    Zabbix Server (for gathering data)

    Zabbix Agent (for monitoring)

    Net-SNMP (for SNMP Support)

    Jabber (for notifications)

    OpenIPMI (for monitoring)

    cURL (for web monitoring)

First install all the dependencies with yum using the command

# yum install zlib-devel mysql-devel glibc-devel curl-devel gcc automake mysql libidn-devel openssl-devel net-snmp-devel rpm-devel OpenIPMI-devel

For Jabber:- we will need the packages iksemel-devel wich depends on iksemel,

however these RPM's arent in the CentOS Repo's so we will be downloadind them from a external site.

# wget http://dag.wieers.com/rpm/packages/iksemel/iksemel-1.3-1.el5.rf.i386.rpm

# wget http://dag.wieers.com/rpm/packages/iksemel/iksemel-devel-1.3-1.el5.rf.i386.rpm

# ls -l

-rw-r--r-- 1 root root 118688 Aug  6  2007 iksemel-1.3-1.el5.rf.i386.rpm

-rw-r--r-- 1 root root   6695 Aug  6  2007 iksemel-devel-1.3-1.el5.rf.i386.rpm

# rpm -ivh iksemel-1.3-1.el5.rf.i386.rpm

warning: iksemel-1.3-1.el5.rf.i386.rpm: Header V3 DSA signature: NOKEY, key ID 6b8d79e6

Preparing...                ########################################### [100%]

   1:iksemel                ########################################### [100%]

# rpm -ivh iksemel-devel-1.3-1.el5.rf.i386.rpm

warning: iksemel-devel-1.3-1.el5.rf.i386.rpm: Header V3 DSA signature: NOKEY, key ID 6b8d79e6

Preparing...                ########################################### [100%]

   1:iksemel-devel          ########################################### [100%]

Install Check Install for future software management   

# wget http://www.asic-linux.com.mx/~izto/checkinstall/files/rpm/checkinstall-1.6.1-1.i386.rpm

# rpm -ivh checkinstall-1.6.1-1.i386.rpm

Preparing...                ########################################### [100%]

   1:checkinstall           ########################################### [100%]

Download Zabbix tar file :-

# wget http://downloads.sourceforge.net/project/zabbix/ZABBIX%20Latest%20Stable/1.8.5/zabbix-1.8.5.tar.gz?use_mirror=freefr

# ls -l

-rw-r--r-- 1 root root  118688 Aug  6  2007 iksemel-1.3-1.el5.rf.i386.rpm

-rw-r--r-- 1 root root    6695 Aug  6  2007 iksemel-devel-1.3-1.el5.rf.i386.rpm

-rw-r--r-- 1 root root 4184672 Apr 16 01:01 zabbix-1.8.5.tar.gz

# tar -zxvf zabbix-1.8.5.tar.gz

# ls -l

-rw-r--r--  1 root root  118688 Aug  6  2007 iksemel-1.3-1.el5.rf.i386.rpm

-rw-r--r--  1 root root    6695 Aug  6  2007 iksemel-devel-1.3-1.el5.rf.i386.rpm

drwxr-xr-x 12 1001 1001    4096 Apr 16 00:50 zabbix-1.8.5

-rw-r--r--  1 root root 4184672 Apr 16 01:01 zabbix-1.8.5.tar.gz

# cd zabbix-1.8.5

# ./configure --enable-server --with-mysql --with-net-snmp --with-jabber --with-libcurl --with-openipmi --enable-agent

In the end, a summary of compiled components is printed. Verify that you have the following enabled:

   Enable server:                         yes

   Server details:

   With database:                       MySQL

    WEB Monitoring via:             cURL

    Native Jabber:         yes

    SNMP:                                net-snmp

    IPMI:                                    openipmi

    SSH:                                     no

# make

Now we should install it. Despite the output of configure and many How Tos suggesting so, do not run make install. It unnecessarily complicates package management and can lead to weird problems in future. Instead, you should create proper packages for your distribution.

To create a proper Zabbix package make sure that CheckInstall is installed and execute as root:

# checkinstall --nodoc --install=yes -y

You Should be able to choose what kind of package that you wish you create,

because CentOS is based on RedHat we are going for [R], type R and press Enter.

Initial configuration

Create new user as zabbix with password set as zabbix

# useradd -m -s /bin/bash zabbix

# passwd zabbix

Changing password for user zabbix.

New UNIX password:

BAD PASSWORD: it is based on a dictionary word

Retype new UNIX password:

passwd: all authentication tokens updated successfully.

# pwd

/root/zabbix-1.8.5

# mkdir /etc/zabbix

# cp misc/conf/zabbix_server.conf  /etc/zabbix/

# cp misc/conf/zabbix_agentd.conf  /etc/zabbix/

Now edit zabbix_server.conf file to modify and database name , database user and dbpassword

Look for DBName, DBUser and DBPassword

# vi /etc/zabbix/zabbix_server.conf

DBName=zabbix

DBUser=zabbix

DBPassword=zabbix

# chmod 400 /etc/zabbix/zabbix_server.conf

# chown zabbix /etc/zabbix/zabbix_server.conf

Creataing and populating the database

First of make sure the mysql daemon is running using

# service mysqld status

If not you can start it with

# service mysqld start

Set root password for mysql. for now I am giving redhat

# mysqladmin -u root password redhat

# mysql_secure_installation

# mysql -u root -p

Enter password:

Welcome to the MySQL monitor.  Commands end with ; or \g.

Your MySQL connection id is 8

Server version: 5.0.77 Source distribution

Type 'help;' or '\h' for help. Type '\c' to clear the buffer.

mysql> create database zabbix character set utf8;

Query OK, 1 row affected (0.01 sec)

mysql> grant all privileges on zabbix.* to 'zabbix'@'localhost' identified by 'zabbix';

Query OK, 0 rows affected (0.00 sec)

mysql> quit;

Bye

Note: - Use the same password you set in zabbix_server.conf file instead of zabbix if you have given other one.

# mysql -u zabbix -p zabbix < create/schema/mysql.sql

# mysql -u zabbix -p zabbix < create/data/data.sql

# mysql -u zabbix -p zabbix < create/data/images_mysql.sql

Cross check if zabbix database created with table for so do

# mysql -u root -p

Enter password:

Welcome to the MySQL monitor.  Commands end with ; or \g.

Your MySQL connection id is 12

Server version: 5.0.77 Source distribution

Type 'help;' or '\h' for help. Type '\c' to clear the buffer.

mysql> use zabbix;

Reading table information for completion of table and column names

You can turn off this feature to get a quicker startup with -A

Database changed

mysql> show tables;

+-----------------------+

| Tables_in_zabbix      |

+-----------------------+

| acknowledges          |

| actions               |

| alerts                |

| applications          |

| auditlog              |

| auditlog_details      |

| autoreg_host          |

| conditions            |

| config                |

| dchecks               |

| dhosts                |

| drules                |

| dservices             |

| escalations           |

| events                |

| expressions           |

| functions             |

| globalmacro           |

| graph_theme           |

| graphs                |

| graphs_items          |

| groups                |

| help_items            |

| history               |

| history_log           |

| history_str           |

| history_str_sync      |

| history_sync          |

| history_text          |

| history_uint          |

| history_uint_sync     |

| hostmacro             |

| hosts                 |

| hosts_groups          |

| hosts_profiles        |

| hosts_profiles_ext    |

| hosts_templates       |

| housekeeper           |

| httpstep              |

| httpstepitem          |

| httptest              |

| httptestitem          |

| ids                   |

| images                |

| items                 |

| items_applications    |

| maintenances          |

| maintenances_groups   |

| maintenances_hosts    |

| maintenances_windows  |

| mappings              |

| media                 |

| media_type            |

| node_cksum            |

| nodes                 |

| opconditions          |

| operations            |

| opmediatypes          |

| profiles              |

| proxy_autoreg_host    |

| proxy_dhistory        |

| proxy_history         |

| regexps               |

| rights                |

| screens               |

| screens_items         |

| scripts               |

| service_alarms        |

| services              |

| services_links        |

| services_times        |

| sessions              |

| slides                |

| slideshows            |

| sysmaps               |

| sysmaps_elements      |

| sysmaps_link_triggers |

| sysmaps_links         |

| timeperiods           |

| trends                |

| trends_uint           |

| trigger_depends       |

| triggers              |

| user_history          |

| users                 |

| users_groups          |

| usrgrp                |

| valuemaps             |

+-----------------------+

88 rows in set (0.01 sec)

mysql> quit;

Bye

[root@zabbix zabbix-1.8.5]#

[ Note: - If any problems occur the easiest way is to delete the db with

# mysql> drop database Zabbix;  and start from the beginning again. ]

Now login as zabbix user and execute the file to check all services are running with zabbix users

# su - zabbix

[zabbix@zabbix ~]$ /usr/local/sbin/zabbix_agentd

[zabbix@zabbix ~]$ /usr/local/sbin/zabbix_server

[zabbix@zabbix ~]$ ps -e | grep zabbix

26015 ?        00:00:00 zabbix_agentd

26016 ?        00:00:00 zabbix_agentd

26017 ?        00:00:00 zabbix_agentd

26018 ?        00:00:00 zabbix_agentd

26019 ?        00:00:00 zabbix_agentd

26020 ?        00:00:00 zabbix_agentd

26023 ?        00:00:00 zabbix_server

26025 ?        00:00:00 zabbix_server

26027 ?        00:00:00 zabbix_server

26028 ?        00:00:00 zabbix_server

26029 ?        00:00:00 zabbix_server

26030 ?        00:00:00 zabbix_server

26031 ?        00:00:00 zabbix_server

26032 ?        00:00:00 zabbix_server

26033 ?        00:00:00 zabbix_server

26034 ?        00:00:00 zabbix_server

26037 ?        00:00:00 zabbix_server

26039 ?        00:00:00 zabbix_server

26041 ?        00:00:00 zabbix_server

26042 ?        00:00:00 zabbix_server

26048 ?        00:00:00 zabbix_server

26050 ?        00:00:08 zabbix_server

26052 ?        00:00:00 zabbix_server

26054 ?        00:00:00 zabbix_server

26056 ?        00:00:00 zabbix_server

26060 ?        00:00:00 zabbix_server

26062 ?        00:00:00 zabbix_server

26064 ?        00:00:00 zabbix_server

26066 ?        00:00:00 zabbix_server

26067 ?        00:00:00 zabbix_server

26070 ?        00:00:00 zabbix_server

26072 ?        00:00:00 zabbix_server

[zabbix@zabbix ~]$

Creating startup scripts

Login in back to root

$ su -

After a successful login let us copy the scripts from our Zabbix source into our /etc/init.d/ folder. this can be done with the following command:

# cd zabbix-1.8.5

# cp misc/init.d/redhat/8.0/zabbix_* /etc/init.d/

This will copy zabbix_server and zabbix_agentd startup scripts.

# ls -l /etc/init.d/za*

-rw-r--r-- 1 root root 1718 May 27 14:39 /etc/init.d/zabbix_agentd

-rw-r--r-- 1 root root 1577 May 27 14:39 /etc/init.d/zabbix_server

Now change the progdir= location in following files

# vi /etc/init.d/zabbix_server

progdir=”/usr/local/sbin/”

# vi /etc/init.d/zabbix_agentd

progdir=”/usr/local/sbin/”

# chmod 755 /etc/init.d/zabbix_server

# chmod 755 /etc/init.d/zabbix_agentd

# chkconfig --add zabbix_server

# chkconfig --add zabbix_agentd

# chkconfig --list zabbix_server

zabbix_server   0:off   1:off   2:off   3:off   4:off   5:off   6:off

# chkconfig zabbix_server on

# chkconfig --list zabbix_server

zabbix_server   0:off   1:off   2:on    3:on    4:on    5:on    6:off

# chkconfig --list zabbix_agentd

zabbix_agentd   0:off   1:off   2:off   3:off   4:off   5:off   6:off

# chkconfig zabbix_agentd on

# chkconfig --list zabbix_agentd

zabbix_agentd   0:off   1:off   2:on    3:on    4:on    5:on    6:off

Now start the services

# /etc/init.d/zabbix_agentd start

Starting zabbix_agentd:                                    [  OK  ]

# /etc/init.d/zabbix_server start

Starting zabbix_server:                                    [  OK  ]

Check service is running and it bind with correct port

# ps -C zabbix_agentd

  PID TTY          TIME CMD

26224 ?        00:00:00 zabbix_agentd

26226 ?        00:00:00 zabbix_agentd

26227 ?        00:00:00 zabbix_agentd

26228 ?        00:00:00 zabbix_agentd

26229 ?        00:00:00 zabbix_agentd

26230 ?        00:00:00 zabbix_agentd

# netstat -ntpl

Installing the Web frontend

# yum install php-mysql php-gd php-bcmath php-mbstring php-xml

Once installed its time to copy the web files to the correct folder, with CentOS and Apache this would be /var/www/html/.

# cp -r frontends/php/ /var/www/html/

To make the page access able through http://localhost/zabbix we will have to to rename the folder to zabbix.

# cd /var/www/html

# mv php zabbix

Add alias in apache by editing configuration file

# vi /etc/httpd/conf/httpd.conf

Alias /zabbix /var/www/html/zabbix

<Directory /var/www/html/zabbix/>

  AllowOverride FileInfo AuthConfig Limit Indexes

  Options MultiViews Indexes SymLinksIfOwnerMatch IncludesNoExec

  <Limit GET POST OPTIONS PROPFIND>

    Order allow,deny

    Allow from all

  </Limit>

  <LimitExcept GET POST OPTIONS PROPFIND>

    Order deny,allow

    Deny from all

  </LimitExcept>

</Directory>

Now make some changes in php.ini file to set time zone and other parameter. Most Likely Zabbix won't agree with all of your settings and will tell you to change them to the required settings.

# vi /etc/php.ini

max_execution_time = 300

date.timezone =Asia/Calcutta

memory_limit = 256M 

max_input_time = 600 

post_max_size = 32M

max_execution_time = 600

 

# service httpd restart

Stopping httpd:                                            [  OK  ]

Starting httpd:                                            [  OK  ]

For other time zone use following link:-

http://www.phpinterviewquestion.com/php-questions/set-timezone-in-php

Now it's time to fire up a browser and navigate to Zabbix's address:

http://<server_ip_or_name>/zabbix.

Now follow the instruction on screen .

Most Likely Zabbix won't agree with all of your settings and will tell you to change them to the requiered settings. after changes in php.ini you should reload or restart appache server

useing command

# server httpd restart

and the try again

In Configure DB Connection Windows type zabbix as user name and password. and then click test connection.

In summary page verify  all settings and then click Next.

 In Configuration file check window download the configuration file and save that downloaded file to the location given and click retry. it become green then click next. at the last you will get following screen for authentication.

Now login as admin with password zabbix