Zabbix Documentation 4.0

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manual:installation:install_from_packages:rhel_centos

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manual:installation:install_from_packages:rhel_centos [2018/07/12 09:06]
martins-v http -> https
manual:installation:install_from_packages:rhel_centos [2018/12/10 11:38]
martins-v better note regarding separate db for server and proxy; some rewording
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 ==== 1 Red Hat Enterprise Linux/​CentOS ==== ==== 1 Red Hat Enterprise Linux/​CentOS ====
  
-=== Overview ===+==== Overview ​====
  
 Official Zabbix packages are available for RHEL 7, CentOS 7 and Oracle Linux 7. In this documentation we will refer to all 3 using the term ''​RHEL''​. Official Zabbix packages are available for RHEL 7, CentOS 7 and Oracle Linux 7. In this documentation we will refer to all 3 using the term ''​RHEL''​.
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 Some agent and proxy packages are available for [[https://​repo.zabbix.com/​zabbix/​4.0/​rhel/​6/​x86_64/​|RHEL 6]] and [[https://​repo.zabbix.com/​zabbix/​4.0/​rhel/​5/​x86_64|RHEL 5]] as well. Some agent and proxy packages are available for [[https://​repo.zabbix.com/​zabbix/​4.0/​rhel/​6/​x86_64/​|RHEL 6]] and [[https://​repo.zabbix.com/​zabbix/​4.0/​rhel/​5/​x86_64|RHEL 5]] as well.
  
-=== Adding Zabbix repository ===+==== Adding Zabbix repository ​====
  
 Install the repository configuration package. This package contains yum (software package manager) configuration files. Install the repository configuration package. This package contains yum (software package manager) configuration files.
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   # yum-config-manager --enable rhel-7-server-optional-rpms   # yum-config-manager --enable rhel-7-server-optional-rpms
  
-=== Server/​proxy/​frontend installation ===+==== Server/​proxy/​frontend installation ​====
  
 To install Zabbix server (available for RHEL 7, [[manual/​installation/​install_from_packages/​rhel_centos#​zabbix_frontend_and_server_on_rhel_6|deprecated on RHEL 6]]) with MySQL support: To install Zabbix server (available for RHEL 7, [[manual/​installation/​install_from_packages/​rhel_centos#​zabbix_frontend_and_server_on_rhel_6|deprecated on RHEL 6]]) with MySQL support:
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 For Zabbix [[manual:​concepts:​server|server]] and [[manual:​concepts:​proxy|proxy]] daemons a database is required. It is not needed to run Zabbix [[manual:​concepts:​agent|agent]]. ​ For Zabbix [[manual:​concepts:​server|server]] and [[manual:​concepts:​proxy|proxy]] daemons a database is required. It is not needed to run Zabbix [[manual:​concepts:​agent|agent]]. ​
  
-<note warning>If Zabbix server and proxy are installed on the same host, their databases must be created with different names!</​note>​+<note warning>Separate databases are needed for Zabbix server and Zabbix ​proxy; they cannot use the same database. Therefore, if they are installed on the same host, their databases must be created with different names!</​note>​
  
 Create the database using the provided instructions for [[manual:​appendix:​install:​db_scripts#​mysql|MySQL]] or [[manual:​appendix:​install:​db_scripts#​postgresql|PostgreSQL]]. Create the database using the provided instructions for [[manual:​appendix:​install:​db_scripts#​mysql|MySQL]] or [[manual:​appendix:​install:​db_scripts#​postgresql|PostgreSQL]].
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 === Configure database for Zabbix server/​proxy === === Configure database for Zabbix server/​proxy ===
  
-Edit zabbix_server.conf ​or zabbix_proxy.conf to use the created database. For example:+Edit zabbix_server.conf ​(and zabbix_proxy.confto use their respective databases. For example:
  
   # vi /​etc/​zabbix/​zabbix_server.conf   # vi /​etc/​zabbix/​zabbix_server.conf
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   php_value upload_max_filesize 2M   php_value upload_max_filesize 2M
   php_value max_input_time 300   php_value max_input_time 300
 +  php_value max_input_vars 10000
   php_value always_populate_raw_post_data -1   php_value always_populate_raw_post_data -1
   # php_value date.timezone Europe/Riga   # php_value date.timezone Europe/Riga
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 Now you are ready to proceed with [[manual/​installation/​install#​installing_frontend|frontend installation steps]] which will allow you to access your newly installed Zabbix. Now you are ready to proceed with [[manual/​installation/​install#​installing_frontend|frontend installation steps]] which will allow you to access your newly installed Zabbix.
  
-<​note>​Zabbix official repository provides fping, iksemel, libssh2 packages as well. These packages are located in the //[[http://​repo.zabbix.com/​non-supported/​|non-supported]]//​ directory.</​note>​+Note that a Zabbix proxy does not have a frontend; it communicates with Zabbix server only. 
 + 
 +<​note>​Zabbix official repository provides fping, iksemel, libssh2 packages as well. These packages are located in the //[[https://​repo.zabbix.com/​non-supported/​|non-supported]]//​ directory.</​note>​
  
 === SELinux configuration === === SELinux configuration ===
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   # service httpd restart   # service httpd restart
- 
-=== Agent installation === 
- 
-To install the agent, run 
- 
-  # yum install zabbix-agent 
- 
-To start the agent, run: 
- 
-  # service zabbix-agent start 
  
 === Zabbix frontend and server on RHEL 6 === === Zabbix frontend and server on RHEL 6 ===
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   $ rpm -ql zabbix-web | grep example.conf   $ rpm -ql zabbix-web | grep example.conf
  
 +==== Agent installation ====
 +
 +To install the agent, run
 +
 +  # yum install zabbix-agent
 +
 +To start the agent, run:
 +
 +  # service zabbix-agent start
 +
 +==== Java gateway installation ====
 +
 +It is required to install [[:​manual/​concepts/​java|Java gateway]] only if you want to monitor JMX applications. Java gateway is lightweight and does not require a database.
 +
 +Once the required [[#​adding_zabbix_repository|repository]] is added, you can install Zabbix Java gateway by running:
 +
 +  # yum install zabbix-java-gateway
 +
 +Proceed to [[:​manual/​concepts/​java/​from_rhel_centos|setup]] for more details on configuring and running Java gateway.