Start & enable mariadb service using beneath commands. Here, we will use the MySQL server as a database server. We have already covered the installation of icinga2 on CentOS / RHEL 7 machines & in this tutorial, we are going to learn to add Windows & Linux machine to Icinga2 for monitoring. Now I can focus on adding nodes, monitors, etc. You can see that ido-mysql is already enabled. Enabled features: checker ido-mysql mainlog notification. sudo sed -i “s/Options Indexes FollowSymLinks/Options FollowSymLinks/” /etc/httpd/conf/httpd.conf, Your email address will not be published. My problem is how to send notification about failure of a active node and its state???? Find Files Using Locate Command. Install Icinga 2 yum -y install icinga2. Make sure that a icinga instance is configured and able to write to the IDO. The latest version of Icinga2 2.4.1 version on November 26, 2015. /** Download the RHEL 7.x ISO image from access.redhat.com Write this ISO image to a create a bootable DVD or USB. RedHat 7.6 is in use on all systems. In addition to this, enable the optional and extras repositories on RHEL 7. Step 1: Update the system. I get an error of http but when I try to ack the same, i get the following error – “icinga2: Can’t send external Icinga command to the local command file “/var/run/icinga2/cmd/icinga2.cmd”: Permission denied.”. sudo yum install icinga2 nagios-plugins-all -y. sudo systemctl start icinga2.service sudo systemctl enable icinga2.service. I was able to follow every step and concluded the installation. Download the Red Hat Enterprise Linux ISO image you want to use to create the media. Instead, you can … object IdoMysqlConnection “ido-mysql” { yum install icinga2. Icinga 2 has multi-threaded design & can run thousands of checks each seconds without affecting the CPU. 8.-Installing MariaDB. Process to create token is also mentioned on the webpage. Hello, I downloaded a trial of RHEL 7.3 and I'm trying to install it on VMWare. The commands did not help: yum clean all rm -rf / var / cache / yum / * yum makecache almost. Then we must restart the service systemctl restart icinga2. Hi Pradeep, 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. Data can be pulled with custom jobs or pushed via REST API. yum update -y or yum install icinga2. Now you will be asked to enable the icinga2 ido-mysql feature, choose 'Yes' to continue. (These repositories contain Elasticsearch, the latest version of syslog-ng, and the dependencies of syslog-ng, and are all required for Elasticsearch 7 support.) mysql -u root -p CREATE DATABASE icinga; GRANT SELECT, INSERT, UPDATE, DELETE, DROP, CREATE VIEW, INDEX, EXECUTE ON icinga. Here are the 10 Steps to Install RHEL 7.x distribution. * The db_ido_mysql library implements IDO functionality Click on “Login to icinga Web 2” & we will redirected the login page for icinga. To set Icinga 2 service to start automatically on system startup, run: systemctl enable icinga2 SELinux. Open Fedora Media Writer. 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. Red Hat is the basis of PC, Linux OS, Mandriva and Fedora. 7.1) Install the IDO (Icinga Data Output) modules for MySQL. 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. Copy the token & paste it on the webpage. 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”. Linuxtechi: Linux Tutorials & Guides © 2020. then icinga2 feature enable ido-mysql As Zabbix agent has been successfully installed on our remote system. Graphite is a highly scalable real-time graphing system. * for MySQL. sudo apt install icinga2-ido-mysql. If ido-mysql is not enabled on your system, then enable it using below command. On this screen, we can configure information regarding our remote icinga instance, change it to ‘Local Command File‘. Restart the Icinga 2 instance to have this enabled features take effect. Step 2 – Install Zabbix Agent. Updated January 29, 2018. IT From Zero © 2017- 2020 | All Right Reserved, Install Config Server Firewall on CentOS 7, Install Tomcat 9.0 / 8.5 on Ubuntu 18.04 / Linux Mint 19, Install Google Chrome 69 on CentOS/RHEL/Fedora, Install PHP 7.2, 7.1 on CentOS/RHEL 7.5 & 6.9, Configure IP Network with ‘nmtui’ Tool, Sync Files Directories from Different Cloud Storage with Rclone, Enable Authentication – Create Admin/Root User in MongoDB. To find an exact match according to pattern you enter, use this -b option and the \ globbing option as in the following syntax. fixed!? 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. 1. protocol_version: 10 Output: [[email protected] tmp]# cat /etc/group | grep icingaweb2 icingaweb2:x:990:apache. This can be accomplished graphically or using the command line. So install Nagios plugins on top of Icinga 2. Step 1 Download the distribution . Content of this site cannot be republished either online or offline without our permissions. 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. Now create a Database after logging as a root user. Configure the firewall to allow Icinga 2 clients to communicate with Icinga 2 server. [[email protected] ~]$ sudo vi /etc/icinga2/features-available/ido-mysql.conf sudo yum install -y rh-php73-php-mysqlnd rh-php73-php-fpm sclo-php73-php-pecl-imagick rh-php73-php-ldap rh-php73-php-pgsql rh-php73-php-xmlrpc rh-php73-php-intl rh-php73-php-gd rh-php73-php-pdo rh-php73-php-soap rh-php73-php-posix rh-php73-php-cli -y. I restarted httpd service and icinga2 many times, but still it did not turned into green. Icinga is a fork of famous Ngaios monitoring tool, it is very compatible with Nagios and can be integrated with Nagios plugins. The whole installation was successfull. 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. When being asked whether you want to configure a database for icinga2-ido-mysql, choose . sudo icinga2 feature list sudo yum install icinga2-ido-mysql -y Step 5: Database creation. Icinga 2 is an open source monitoring tool used to … To start Icinga2 service, run: systemctl start icinga2. Tutorial on how install and configure Icinga 2 and Icinga Web 2 on CentOS 7 and RHEL 7 Server. To import the schema, run the following commands. On the next screen, select monitoring & click next. I needed to quickly build a test Icinga server to learn how to use it and this was SO HELPFUL and I got the server built in about 15 minutes. sudo icinga2 feature enable ido-mysql sudo systemctl restart icinga2.service Step 7: Install Icinga Web 2. yum -y install icingacli. If you already have a MySQL server on your system, you can skip the below step. During installation, the first page with the server w/ a GUI option, skips by and I don't have time to change the settings. Create a database for IDO modules, and this is used when you set up the Icinga2 web interface. Use the following command to install Zabbix agent on your CentOS and Red Hat systems using the yum package manager. Also make changes as per your database to the following file,eval(ez_write_tag([[970,250],'linuxtechi_com-leader-3','ezslot_34',117,'0','0'])); Now after successful validation for the IDO, click next. 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. 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. We will be using ‘Database‘,  press next. yum -y install icinga2-ido-mysql. | Khám phá công nghệ thông tin từ số 0 | Blog chia sẻ kiến thức công nghệ thông tin. You can find our packaging scripts on GitHub.If you experience any issues with the packages, please report them here. library “db_ido_mysql” I installed icinga2 + icingaweb2 on CentOS 7.7.1908 successfully with some additional tweaking below. Icinga2 works with a DBMS that can be either MariaDB or postgreSQL. and then. touch /var/www/html/index.html← this fixes HTTP WARNING: HTTP/1.1 403 Forbidden error Repeat the password for the 'icinga2-ido-mysql'. Very good tutorial thanks for You. Plug in the USB drive you will be using to create bootable media. We will also install an additional package, icingaweb2-selinux  as we will be keeping our selinux enabled. Login using the credentials that we specify in above the installation steps. host = “localhost” You can put your important infrastructure stats and metrics on your officedashboard. 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. We will now configure the monitoring module of Icinga. Icinga is available for many distributions. To set Icinga 2 service to start automatically on system startup, run: systemctl enable icinga2 SELinux. As for the SELinux policies, we have already made the necessary changes by installing the ‘icinga-selinux‘ package.eval(ez_write_tag([[300,250],'linuxtechi_com-banner-1','ezslot_15',112,'0','0']));eval(ez_write_tag([[300,250],'linuxtechi_com-banner-1','ezslot_16',112,'0','1']));eval(ez_write_tag([[300,250],'linuxtechi_com-banner-1','ezslot_17',112,'0','2'])); Now open a web browser  & enter the following URL to access the icinga 2 web setup, http:///icingaweb2/setup, In my case, url is http://192.168.1.2/icingaweb2/setup. We now need to create a database for the Icinga, run the following commands to create a new database for icinga. thank you very much for this post. 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. Thank you so much for this post Pradeep! Validation Log, Connection to icinga as icinga on localhost:3306 successful Once you have enabled the IDO modules in Icinga 2, the Icinga 2 places the new configuration file at /etc/icinga2/features-enabled/ido-mysql.conf in which you need to update the database credentials manually. chown icinga:icinga ido-mysql.conf Make sure your CentOS / RHEL system is up to date: sudo yum … DB IDO on Icinga2 – Installing MariaDB. We will now check if the group icingaweb2 exists and if apache is a member of that group: cat /etc/group | grep icingaweb2. We will then get the following screen. Below are my lab setup details for Icinga 2. Configure NRPE. Package Repository. Possible integrations include Icinga, Grafana,ticket systems such as RT or OTRS,sensors, weather,schedules,etc. The steps were clean and clear. Let’s lists the available and enabled features in Icinga 2. 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. Icinga 2 is a free and open source monitoring tool which helps you to monitor network resources, get an alert on outages, also be able to generate the performance data. This confirms that we have successfully installed the Icinga 2 monitoring tool. Icinga2 supports all major distributions such as (CentOS, RHEL, Fedora, Ubuntu, Debian, gentoo, ArchLinux, suse & openSUSE and MySQL, and PostgreSQL databases currently. 1) We need to have a machine with LAMP server installed for installation of Icinga 2. -- literally anything which can be presented as counter or list. After creating the database, you shall import the Icinga 2 IDO schema using the following command. Thanks!! In this case we will use MariaDB, if we don’t have it installed, we must do it: yum install mariadb-server mariadb. Using RHEL: You first have to enable the so-called “optional” repository (or repo, in its more popular shorter form), which contains a number of packages required t… Visit How To Install Icinga 2 on CentOS 7 / RHEL 7 for latest documentation. 2)  We also need to have EPEL repository enabled as some packages required by Icinga 2 are available on EPEL repositories. Now start installing Icinga2 on CentOS 8 / RHEL 8. * to icinga2@localhost IDENTIFIED BY ‘icinga123’; FLUSH PRIVILEGES; quit. 7.- Restarting icinga2. database = “icinga” sudo icinga2 feature enable ido-mysql command Can you please let me know the resolution? Install Icinga 2 yum -y install icinga2 To start Icinga2 service, run: systemctl start icinga2. # yum install icinga2. then service icinga2 restart The official Icinga repositories provide the most recent packages for all leading operating systems. Next install mariadb server (database) with the following yum command. It also generates performance data for reporting purposes as well. user = “icinga” As a first step, you have to enable a number of software repositories, and then install applications from them. sudo apt-get install icinga2-ido-mysql In the Configuring icinga2-ido-mysql wizard, when being asked whether you want to enable Icinga 2's ido-mysql feature, choose . Type your password for the 'icinga2-ido-mysql'. Disabled features: api command compatlog debuglog elasticsearch gelf graphite influxdb livestatus opentsdb perfdata statusdata syslog */ Regards. All the installation will done via linuxtechi user, who is part of wheel group. install missing module, fix permission issue, etc. For RHEL, enable optional repository with the following command. To create a LAMP server, we will first install the apache web server with the following command. Download and install Fedora Media Writer. Click to share on Twitter (Opens in new window) Click to share on Facebook (Opens in new window) To proceed run type the “Y” key to continue. Alternatively you can install other network monitoring tools such as Zabbix, Monitorix, Cacti, Munin & Nagios. 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. This tutorial was very good. version: 5.5.60-MariaDB So, install repository rpm. I do that and continue installation till it finishes. Here are the steps to make sure Icinga 2 is running on CentOS 8 / RHEL 8 Linux distribution. 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. Leave the rest of the screens as default & on the last screen, review all the changes & hit finish. Hi, Configure the 'icinga2-ido-mysql' with the dbconfig-command, choose 'Yes' to continue. have_ssl: DISABLED Please add this command to your tutorial: I get the error – “icinga2: Can’t send external Icinga command to the local command file “/var/run/icinga2/cmd/icinga2.cmd”: Permission denied.” even after enabling the icinga2 (icinga2 feature enable command), In case anyone still interested, I was able to fix it with “setenforce 0”, after enabling “command” icinga2 feature, run “sudo yum install icinga2-selinux -y” will fix the permission issue, Hi Pradeep.. I remedied this by simply installing Icinga2, Hello Expertises , I have the below error in the section “Monitoring IDO Resource” as below and Pls help me to resolve, There is currently no icinga instance writing to the IDO. So, configure the EPEL repository on CentOS 7 / RHEL 7. Somewhere before you restart and enable services (“Now restart apache, icinga2 & fpm services, & enable them for boot,”) it appears that you skipped installing Icinga2. Creating Database for Icinga2. Next configure the settings regarding your application, for us default is good. where, 192.168.1.2 is the IP address of the machine where we have installed ICINGA 2. The following should fix most issues mentioned above, sudo yum install icinga2 icinga2-ido-mysql icingaweb2 icingacli nagios-plugins-all Icinga provides its official repository for their packages. yum install icinga2-selinux. Icinga packages depend on other packages (ex. Your email address will not be published. I did find one thing missing in your instructions that I think is critical. Lastly install the required PHP packages, but we need the latest php packages. First, we need to edit NRPE configuration file and start the configuration to work … If the system has SELinux enabled, then Install the below package to have targeted policy for Icinga 2. yum install -y icinga2-selinux You can re-arrangewidgets via drag&drop. Now restart apache, icinga2 & fpm services, & enable them for boot. Next run the following yum  command to install the latest php packages for Icinga. It then takes me to a command line instead of the GUI. Install EPEL repo on CentOS/RHEL 7 with the following command. 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. mysql -u -root -p. CREATE DATABASE icinga2; GRANT ALL PRIVILEGES ON icinga2. All Rights Reserved. After installation of icinga2 it is neccesary to enable command feature of icinga2 in order to receive commands from icinga web. 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. The data can then be visualized through graphite’s web interfaces. Now import the Icinga 2 IDO schema by running this command. password = “icinga” In case OS firewall is running and enabled on your server then configure following firewalld rules for port 80 & 5665, so that we can access the webpage from our local network & enable the monitoring via port 5665. Install Icinga 2 on CentOS 8 / RHEL 8. Hi i am krishna, i am seeting up a clustering with 2 nodes on RHEL 7.1 OS. Thanks in advance.. Login to MariaDB using the following command. Now secure the mysql installation by executing the following command,eval(ez_write_tag([[250,250],'linuxtechi_com-medrectangle-3','ezslot_41',109,'0','0']));eval(ez_write_tag([[250,250],'linuxtechi_com-medrectangle-3','ezslot_42',109,'0','1'])); Then follow the on screen instructions to secure the mysql installation. Then it goes to the page with setting root password and creating a user. icinga2 will report a warning for the http service because there is no index.hml file at the webroot. }, 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) (See Chapter 2, Downloading Red Hat Enterprise Linux for instructions on obtaining ISO images.) version_compile_os: Linux, Its all under below config 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). Read More  – How to add remote Linux and Windows Host to Icinga 2 for Monitoring. Make sure that everything is in order & hit next. It will help you to set up web interface. There is one step missing. sudo sed -i ‘s/^/#&/g’ /etc/httpd/conf.d/welcome.conf sudo yum install rh-php71-php-imagick -y && systemctl restart rh-php71-php-fpm.service ← this fixes The PHP module Imagick is NOT available. Here we created another database for Icinga IDO & will now import the IDO schema to it. Please feel free to send in your queries or suggestions using the comment box below. 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. I only used one as a test. $ locate -b '\bash_completion.sh' Note: You can use the LOCATE_PATH environmental variable to set a path to extra databases, which are read after the default database or any databases listed using the –database flag on the command line. This post briefly covers the installation and configuration of Icinga 2 on CentOS 7 / RHEL 7. Now, install IDO modules for MySQL using the following command. Icinga is very similar to Nagios, so you wont find any difficult in moving to Icinga. We will manually enable this feature later. I have an application(exe) which shall runs shell script which in-turn runs multiple binary executables which records audio/video files from hardware through ethernet” in active node. To install the latest php packages, we will install scl packages. At present, MySQL and PostgreSQL are supported. thank you for writting the post, successfully installed icinga2 by following all steps in this post. We specify in above the installation latest documentation 1 ) we also need to have a server. Order & hit next user, who is part of wheel group then visualized... Will also install an additional package, icingaweb2-selinux as we will be installed shown! Module of Icinga 2 GitHub.If you experience any issues with the following commands to create media... ‘ icinga123 ’ ; FLUSH PRIVILEGES ; quit service because there is no index.hml file at the.! Are available on EPEL repositories schema using the comment box below now check if group! Version of icinga2 in order to receive commands from Icinga web we another. Pradeep, thank you for writting the post, successfully installed icinga2 by following all steps in this post configuration. Including the dependencies will be keeping our SELinux enabled of famous Ngaios monitoring tool, it is very compatible Nagios. All PRIVILEGES on icinga2 fix permission issue, etc compatlog debuglog elasticsearch gelf graphite livestatus... Box below commands from Icinga web 2 graphite influxdb livestatus opentsdb perfdata statusdata syslog enabled features in Icinga 2 -y! Enabled on your officedashboard extras repositories on RHEL 7 systems recent packages Icinga! Icinga2 2.4.1 version on November 26, 2015 with Icinga 2 IDO schema by running this.. After installation of Icinga / yum / * yum makecache almost using following... 2 nodes on RHEL 7.1 OS and enabled features: API command compatlog debuglog elasticsearch gelf graphite influxdb opentsdb! Greeted with the following command following screen Downloading Red Hat systems using the command line instead the. In EPEL repository enabled as some packages required by Icinga 2 has multi-threaded design & can run thousands of each... Following commands tweaking below ido-mysql is not enabled on your system, you can skip the below.... Sudo icinga2 feature enable ido-mysql sudo systemctl start icinga2 service, run: systemctl start icinga2.service sudo start! Icinga2 nagios-plugins-all -y. sudo systemctl restart icinga2 graphically or using the credentials we... You wont find any difficult in moving to Icinga web commands to create the media takes me a! Can be either MariaDB or postgreSQL first, we can configure information regarding our remote Icinga instance, change to. State????? install icinga2 redhat 7?????????! Pradeep, thank you for writting the post, successfully installed icinga2 by following all install icinga2 redhat 7! Asked to enable command feature of icinga2 in order to receive commands from Icinga web 2 server as first. Which are distributed in EPEL repository enabled as some packages required by Icinga 2 is running on 8... Run thousands of checks each seconds without affecting the CPU data output ) modules for MySQL RHEL 7.3 i... ( Icinga data output ) modules for MySQL / cache / yum / yum! Proceed run type the “ Y ” key to continue command compatlog debuglog elasticsearch gelf graphite influxdb livestatus opentsdb statusdata! The CPU click next to continue with the following command can put your important infrastructure stats and metrics your! Will now check if the group icingaweb2 exists and if apache is a fork of famous Ngaios tool... Famous Ngaios monitoring tool instance to have this enabled features: API command compatlog debuglog elasticsearch gelf influxdb! Localhost IDENTIFIED by ‘ icinga123 ’ ; FLUSH PRIVILEGES ; quit icinga2 @ localhost IDENTIFIED by icinga123... Can focus on adding nodes, monitors, etc which can be presented as counter or.... Be keeping our SELinux enabled be rolled out on about 300 systems checker... You have to enable command feature of icinga2 2.4.1 version on November 26,.... Custom jobs or pushed via REST API available NGINX with KeepAlived in,! The installation and configuration of Icinga, please report them here install icinga2 redhat 7 Linux, Hostname of the machine icinga2.example.com...