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Install Icinga2 and Icingaweb2 » History » Version 10

Jon Goldberg, 06/09/2017 04:04 AM

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{{last_updated_at}} by {{last_updated_by}}
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# Install Icinga2 and Icingaweb2
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{{>toc}}
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### Installation (Master Node)
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Steps are adapted from [this guide](http://linoxide.com/ubuntu-how-to/install-icinga2-ubuntu-16-04/).
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#### Install Icinga2
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```
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# Install MySQL if you haven't yet
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# These lines for Ubuntu 16.04 only:
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apt install software-properties-common
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add-apt-repository -y ppa:formorer/icinga
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apt update
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apt-get install icinga2
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apt-get install icinga2-ido-mysql
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# These 3 lines for Debian 8 only:
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echo 'deb http://ftp.debian.org/debian jessie-backports main' > /etc/apt/sources.list.d/jessie-backports.list
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apt-get update
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apt-get -t jessie-backports install icinga2
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apt-get -t jessie-backports install icinga2-ido-mysql
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systemctl enable icinga2.service
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systemctl start icinga2.service
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apt install nagios-plugins
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# nagios-plugins has Samba as a dependency, but you should remove it.
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apt remove samba-common samba-libs
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icinga2 feature enable ido-mysql
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systemctl restart icinga2.service
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```
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#### Install Icingaweb2
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```
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# If Ubuntu 16.04, you need to work around this bug: https://bugs.launchpad.net/ubuntu/+source/icingaweb2/+bug/1574250
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# FIRST, uncomment the second line in /etc/php/7.0/mods-available/zend-framework.ini
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phpenmod zend-framework
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systemctl restart apache2.service
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# END Ubuntu 16.04 workaround
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apt install icingaweb2
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```
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* Go to http://<your IP>/icingaweb2/setup.
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* Finish from here: https://linoxide.com/ubuntu-how-to/install-icinga2-ubuntu-16-04, starting with "Configuring Icinga Web2 plugin"
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### Configuration
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-   Run `icinga2 node wizard. `Select "N" to create a master node.
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-   Enable the api and command module to allow issuing commands from Icingaweb2 and to allow API:
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    `icinga2 feature enable api command; service icinga2 restart`
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-   Add an API user for remote checks.  For instance, a user that can
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    receive backupninja checks.  Add this to `/etc/icinga2/conf.d/api-users.conf`:
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    ``` 
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    object ApiUser "backupninja" {
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      password = "<redacted>"
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      permissions = [
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        {
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          permission = "actions/process-check-result"
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          filter = {{ match("backupninja", service.display_name) }}
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        }
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      ]
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    }
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    ```
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### Install additional checks
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#### Install Plugins
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Place the following two scripts in your plugins directory
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(`/usr/lib/nagios/plugins`) and ensure they're executable:
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-   **check\_drupal** - installs with the Drupal "nagios" plugin, also
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    available
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    [here](http://cgit.drupalcode.org/nagios/plain/nagios-plugin/check_drupal?id=7da732e2d4943ec5368243f4cd2e33eb02769f23).
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-   **check\_civicrm** - There are two scripts - one for Civi 4.6 and
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    below, another for 4.7 and up.  4.7 version is available
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    [here](https://raw.githubusercontent.com/PalanteJon/check_civicrm/master/check_civicrm.php),
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    4.6 version is [here](https://raw.githubusercontent.com/aghstrategies/com.aghstrategies.civimonitor/master/check_civicrm.php).
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-   **check\_domain** - This does a WHOIS lookup to ensure domain names aren't about to expire.  Install from
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    [here](https://raw.githubusercontent.com/glensc/monitoring-plugin-check_domain/master/check_domain.sh).
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-   **check\_rbl** - Check spam blacklists.  File is [here](https://raw.githubusercontent.com/matteocorti/check_rbl/master/check_rbl), also install dependencies:
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    `apt install libreadonly-xs-perl libnagios-plugin-perl libdata-validate-ip-perl libdata-validate-domain-perl libnet-dns-perl`
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#### Define CheckCommand and Service objects for the new plugins
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Copy the CheckCommand and Service files from
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`icinga.jmaconsulting.biz:/etc/icinga2/zones.d/global-templates/CheckCommands`
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and `icinga.jmaconsulting.biz:/etc/icinga2/conf.d/services`. See [[Add New Checks to Icinga2]] for details.
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### Set up vim syntax highlighting on the Icinga2 server
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```
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mkdir -p ~/.vim/{syntax,ftdetect}
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cd ~/.vim/syntax
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wget https://raw.githubusercontent.com/Icinga/icinga2/master/tools/syntax/vim/syntax/icinga2.vim
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cd ~/.vim/ftdetect
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wget https://raw.githubusercontent.com/Icinga/icinga2/master/tools/syntax/vim/ftdetect/icinga2.vim
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```