Configure the 'icinga2-ido-mysql' with the dbconfig-command, choose 'Yes' to continue. Thanks a ton for the article. Use DVD/USB to boot and install RHEL 7.x Make sure boot from CD/DVD or USB option is enabled in the CMOS setup of your computer. * to icinga2@localhost IDENTIFIED BY ‘icinga123’; FLUSH PRIVILEGES; quit. user = “icinga” apt-get install vim-icinga2 vim-addon-manager vim-addon-manager -w install icinga2 Info: installing removed addon 'icinga2' to /var/lib/vim/addons RHEL/CentOS 8 and Fedora: dnf install vim-icinga2 RHEL/CentOS 7/6: yum install vim-icinga2 SLES/openSUSE: zypper install vim-icinga2 Alpine Linux: apk add icinga2-vim Ensure that syntax highlighting is enabled e.g. All the installation will done via linuxtechi user, who is part of wheel group. Type your password for the 'icinga2-ido-mysql'. After installing yum repository packages in our system. /** sudo sed -i “s/Options Indexes FollowSymLinks/Options FollowSymLinks/” /etc/httpd/conf/httpd.conf, Your email address will not be published. Next, select the Authentication Backend name, we are keeping it default,eval(ez_write_tag([[300,250],'linuxtechi_com-large-mobile-banner-2','ezslot_28',115,'0','0']));eval(ez_write_tag([[300,250],'linuxtechi_com-large-mobile-banner-2','ezslot_29',115,'0','1']));eval(ez_write_tag([[300,250],'linuxtechi_com-large-mobile-banner-2','ezslot_30',115,'0','2'])); Next select the username & password  to administer the Icinga admin web portal (Web Site). Icinga2 supports all major distributions such as (CentOS, RHEL, Fedora, Ubuntu, Debian, gentoo, ArchLinux, suse & openSUSE and MySQL, and PostgreSQL databases currently. As a user, you write an application that collects numeric time-series data that you are interested in graphing, and send it to Graphite’s processing backend, carbon, which stores the data in Graphite’s specialized database. In this case we will use MariaDB, if we don’t have it installed, we must do it: yum install mariadb-server mariadb. To create a LAMP server, we will first install the apache web server with the following command. Hi Pradeep, Now restart apache, icinga2 & fpm services, & enable them for boot. If ido-mysql is not enabled on your system, then enable it using below command. To install the latest php packages, we will install scl packages. Read More  – How to add remote Linux and Windows Host to Icinga 2 for Monitoring. (These repositories contain Elasticsearch, the latest version of syslog-ng, and the dependencies of syslog-ng, and are all required for Elasticsearch 7 support.) Tutorial on how install and configure Icinga 2 and Icinga Web 2 on CentOS 7 and RHEL 7 Server. Use the following command to install Zabbix agent on your CentOS and Red Hat systems using the yum package manager. sudo sed -i ‘s/^/#&/g’ /etc/httpd/conf.d/welcome.conf So, configure the EPEL repository on CentOS 7 / RHEL 7. protocol_version: 10 You can put your important infrastructure stats and metrics on your officedashboard. Icinga is available in the form of the RPM package, but for that first we need to enable icinga yum repository, execute the following command from the terminal to enable iteval(ez_write_tag([[300,250],'linuxtechi_com-box-4','ezslot_12',111,'0','0']));eval(ez_write_tag([[300,250],'linuxtechi_com-box-4','ezslot_13',111,'0','1']));eval(ez_write_tag([[300,250],'linuxtechi_com-box-4','ezslot_14',111,'0','2'])); Now we will install the icinga 2 along with its plugins. Install Icinga Monitoring Tool in CentOS/RHEL 7.0. }, make sure your /etc/icinga2/features-available/ido-mysql.conf belongs to the user icinga (or icinga2 or nagios, check the others in the folder) You can find our packaging scripts on GitHub.If you experience any issues with the packages, please report them here. Regards. Configure NRPE. To proceed run type the “Y” key to continue. It then takes me to a command line instead of the GUI. 7.1) Install the IDO (Icinga Data Output) modules for MySQL. have_ssl: DISABLED Hi, Output: [[email protected] tmp]# cat /etc/group | grep icingaweb2 icingaweb2:x:990:apache. Alternatively you can install other network monitoring tools such as Zabbix, Monitorix, Cacti, Munin & Nagios. Then we must restart the service systemctl restart icinga2. e.g. Here, we will use the MySQL server as a database server. Below are my lab setup details for Icinga 2. Click to share on Twitter (Opens in new window) Click to share on Facebook (Opens in new window) sudo apt install icinga2-ido-mysql. Now start installing Icinga2 on CentOS 8 / RHEL 8. To find an exact match according to pattern you enter, use this -b option and the \ globbing option as in the following syntax. Also, enable the command feature which helps Icinga web interface and other Icinga add-ons to send commands to Icinga 2 via the external command pipe. To set Icinga 2 service to start automatically on system startup, run: If the system has SELinux enabled, then Install the below package to have targeted policy for Icinga 2. Download the RHEL 7.x ISO image from access.redhat.com Write this ISO image to a create a bootable DVD or USB. There is one step missing. | Khám phá công nghệ thông tin từ số 0 | Blog chia sẻ kiến thức công nghệ thông tin. Somewhere before you restart and enable services (“Now restart apache, icinga2 & fpm services, & enable them for boot,”) it appears that you skipped installing Icinga2. Content of this site cannot be republished either online or offline without our permissions. Make sure your CentOS / RHEL system is up to date: sudo yum … So install Nagios plugins on top of Icinga 2. RedHat 7.6 is in use on all systems. You can re-arrangewidgets via drag&drop. Icinga packages depend on other packages (ex. touch /var/www/html/index.html← this fixes HTTP WARNING: HTTP/1.1 403 Forbidden error I was able to follow every step and concluded the installation. yum update -y or yum install icinga2. The steps were clean and clear. The whole installation was successfull. To set Icinga 2 service to start automatically on system startup, run: systemctl enable icinga2 SELinux. Thanks!! Icinga is available for many distributions. It also generates performance data for reporting purposes as well. Step 1: Update the system. If you already have a MySQL server on your system, you can skip the below step. Disabled features: api command compatlog debuglog elasticsearch gelf graphite influxdb livestatus opentsdb perfdata statusdata syslog DB IDO on Icinga2 – Installing MariaDB. database = “icinga” Make sure that everything is in order & hit next. Here on the next couple of screens, we will configure the monitoring backend (which is left as default)  & then we will have to enter the database information again, but before we do that we need to import the IDO schema. yum -y install icingacli. For RHEL, enable optional repository with the following command. The DB IDO module for Icinga 2 takes care of exporting all the configuration and status information to the database; we need to have database server for this requirement. Now exit from mariadb interface & provide the information on the setup page & click on validate, Once the Configuration has been validated successful  and then click on Next. , This documentation is great! Icinga 2 is an open source monitoring tool that is used for checking the availability of IT resources (Network, servers etc) & report the outage in case a resource is down. Let’s lists the available and enabled features in Icinga 2. thank you very much for this post. Step 1 Download the distribution . Graphite is a highly scalable real-time graphing system. eval(ez_write_tag([[250,250],'linuxtechi_com-large-mobile-banner-1','ezslot_27',118,'0','0'])); Upon successful authentication, we can now see the icinga dashboard with all the services & their status. We will now check if the group icingaweb2 exists and if apache is a member of that group: cat /etc/group | grep icingaweb2. * for MySQL. On the next screen, select monitoring & click next. Linuxtechi: Linux Tutorials & Guides © 2020. Comment document.getElementById("comment").setAttribute( "id", "aebb752f39b590b0134cf50496442add" );document.getElementById("iad4a9f788").setAttribute( "id", "comment" ); we respect your privacy and take protecting it seriously, 20 Awesome Nmap Command Examples in Linux, How to Install PHP 8 on CentOS 8 / RHEL 8, How to Install Minikube on Debian 10 (Buster), How to Install Cockpit Web Console on Debian 10, How to Replace Strings and Lines with Ansible, How to Fix ‘Repository does not have a release file’ Error in Ubuntu, How to Access Google Drive on Ubuntu 20.04 (Focal Fossa), How to Dual Boot Linux Mint 20 with Windows 10, How to Boot Linux Mint 20 in Rescue / Emergency Mode. As soon as we enter the URL, we will be greeted with the following screen. We will manually enable this feature later. Please feel free to send in your queries or suggestions using the comment box below. Next run the following yum  command to install the latest php packages for Icinga. Here we created another database for Icinga IDO & will now import the IDO schema to it. 1) We need to have a machine with LAMP server installed for installation of Icinga 2. Configure the firewall to allow Icinga 2 clients to communicate with Icinga 2 server. Icinga 2 is an open source monitoring tool used to … Download the Red Hat Enterprise Linux ISO image you want to use to create the media. mysql -u root -p CREATE DATABASE icinga; GRANT SELECT, INSERT, UPDATE, DELETE, DROP, CREATE VIEW, INDEX, EXECUTE ON icinga. Start & enable mariadb service using beneath commands. On the next screen, we will find various php modules that we have installed, review them & click next,eval(ez_write_tag([[300,250],'linuxtechi_com-leader-1','ezslot_23',114,'0','0']));eval(ez_write_tag([[300,250],'linuxtechi_com-leader-1','ezslot_24',114,'0','1']));eval(ez_write_tag([[300,250],'linuxtechi_com-leader-1','ezslot_25',114,'0','2'])); On the next screen, select the authentication type. To import the schema, run the following commands. Icinga is very similar to Nagios, so you wont find any difficult in moving to Icinga. You can find the icinga2-ido-mysql package in Icinga 2 repository. Thank you so much for this post Pradeep! thank you for writting the post, successfully installed icinga2 by following all steps in this post. where, 192.168.1.2 is the IP address of the machine where we have installed ICINGA 2. You can see that ido-mysql is already enabled. and then. Next we will setup a default time zone in php, look for date.timezone and add the following contenteval(ez_write_tag([[300,250],'linuxtechi_com-medrectangle-4','ezslot_8',110,'0','0'])); Change the time zone as you see fit & save the file. Your email address will not be published. Run the following commands to create the setup token,eval(ez_write_tag([[300,250],'linuxtechi_com-large-leaderboard-2','ezslot_20',113,'0','0']));eval(ez_write_tag([[300,250],'linuxtechi_com-large-leaderboard-2','ezslot_21',113,'0','1']));eval(ez_write_tag([[300,250],'linuxtechi_com-large-leaderboard-2','ezslot_22',113,'0','2'])); Upon executing the last command, we will get a token as output. Lastly install the required PHP packages, but we need the latest php packages. Red Hat is the basis of PC, Linux OS, Mandriva and Fedora. Can you please let me know the resolution? Here are the 10 Steps to Install RHEL 7.x distribution. Now I can focus on adding nodes, monitors, etc. sudo icinga2 feature enable ido-mysql sudo systemctl restart icinga2.service Step 7: Install Icinga Web 2. Repeat the password for the 'icinga2-ido-mysql'. After installation of icinga2 it is neccesary to enable command feature of icinga2 in order to receive commands from icinga web. Icinga provides its official repository for their packages. I installed icinga2 + icingaweb2 on CentOS 7.7.1908 successfully with some additional tweaking below. [[email protected] ~]$ sudo vi /etc/icinga2/features-available/ido-mysql.conf Create a database for IDO modules, and this is used when you set up the Icinga2 web interface. -- literally anything which can be presented as counter or list. (See Chapter 2, Downloading Red Hat Enterprise Linux for instructions on obtaining ISO images.) During installation, the first page with the server w/ a GUI option, skips by and I don't have time to change the settings. Hi i am krishna, i am seeting up a clustering with 2 nodes on RHEL 7.1 OS. The following should fix most issues mentioned above, sudo yum install icinga2 icinga2-ido-mysql icingaweb2 icingacli nagios-plugins-all Access Icinga 2 Web and Start the Installation wizard: How to deploy TripleO Overcloud (Controller , Compute) on CentOS 7 VMs, How to Install and Configure Foreman 1.16 on Debian 9 / Ubuntu 16.04 Server. # yum install icinga2. We will now configure the monitoring module of Icinga. When active node fails then i want to send the notification event about active node state to the other node saying to start recording audio/video files. Visit How To Install Icinga 2 on CentOS 7 / RHEL 7 for latest documentation. Very good tutorial thanks for You. Now, install IDO modules for MySQL using the following command. Creating Database for Icinga2. Nagios plugins) which are distributed in EPEL repository. How to Setup Highly Available NGINX with KeepAlived in Linux, Hostname of the machine “icinga2.example.com”. Icinga 2 supports all major distributions such as Debian, Ubuntu, CentOS / RHEL, Fedora, openSUSE, SLES, Gentoo, FreeBSD, and ArchLinux. mysql -u -root -p. CREATE DATABASE icinga2; GRANT ALL PRIVILEGES ON icinga2. */ This post briefly covers the installation and configuration of Icinga 2 on CentOS 7 / RHEL 7. We now need to create a database for the Icinga, run the following commands to create a new database for icinga. Without the plugins, Icinga 2 does not know how to monitor the external services. Enabled features: checker ido-mysql mainlog notification. Install Icinga 2 yum -y install icinga2. We will also install an additional package, icingaweb2-selinux  as we will be keeping our selinux enabled. Click on Next,eval(ez_write_tag([[300,250],'linuxtechi_com-leader-2','ezslot_31',116,'0','0']));eval(ez_write_tag([[300,250],'linuxtechi_com-leader-2','ezslot_32',116,'0','1']));eval(ez_write_tag([[300,250],'linuxtechi_com-leader-2','ezslot_33',116,'0','2'])); On the next screen, we will be asked to review the changes that we have made for icinga. object IdoMysqlConnection “ido-mysql” { then icinga2 feature enable ido-mysql Login to MariaDB using the following command. If the system has SELinux enabled, then Install the below package to have targeted policy for Icinga 2. yum install -y icinga2-selinux Next configure the settings regarding your application, for us default is good. The latest version of Icinga2 2.4.1 version on November 26, 2015. Install the 'icinga2-ido-mysql' using the apt command below. Run: systemctl start icinga2 service, run: systemctl enable icinga2 SELinux, it! Monitoring tool lastly install the required php packages for all leading operating systems, enable... 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