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checkmk is a snmp tool like LibreNMS, Nagios, Solarwinds, etc that runs on Linux (which means you are already more stable than Solarwinds which will ONLY run on Windows). Like Nagios Core there is a free version called Raw. There is also a free Enterprise version that allows up to 25 nodes to be monitored but if you need more than 25, you'll have to pay. Instructions below are for RedHat/CentOS 8.x Pre-Req's sudo yum -y install dialog graphviz graphviz-gd httpd libdbi perl-Locale-Maketext-Simple php uuid freeradius-utils To install Raw you follow these instructions: Setting up the package sources, firewall and SELinux Checkmk requires a number of software packages from your Linux distribution. Third-party software is not required. In order that all necessary packages can be subsequently installed, a correct configuration of the software sources is necessary. Setting up the package sources Checkmk requires a number of software packages from your Linux distribution. Third-party software is not required. In order that all necessary packages can be subsequently installed, a correct configuration of the software sources is necessary. With Red Hat and CentOS the EPEL (Extra Packages for Enterprise Linux) repository must be set up as a package source. You can do this with the help of an RPM package, which can be installed with the yum command. Download file: wget --no-check-certificate "https://dl.fedoraproject.org/pub/epel/epel-release-latest-8.noarch.rpm" Here is an example of an installation on CentOS 8: sudo yum localinstall epel-release-latest-8.noarch.rpm In order to be able to use EPEL on RedHat and CentOS, the package sources for optional RPMs are required if these haven’t already been installed during the operating system installation. Without these sources the freeradius-utils, graphviz-gd, and php-mbstring packages will be missing. As of version 8.x it will suffice to activate the so-called PowerTools with the help of Dandified YUM in CentOS or the subscription-manager in RHEL respectively. This can be done, e.g., with the following commands: CentOS 8.X before 8.3.2011: dnf config-manager --set-enabled PowerTools CentOS 8.3.2011 and later: dnf config-manager --set-enabled powertools RedHat 8.X: subscription-manager repos --enable "codeready-builder-for-rhel-8-x86_64-rpms" Setup SELinux and Firewall Since Red Hat and thus CentOS also deliver SELinux and a local firewall by default, adjustments may have to be made here. As the first step you will need to allow your web server to access the network interfaces: setsebool -P httpd_can_network_connect 1 Secondly, you release the web server and activate the change: firewall-cmd --zone=public --add-service=http --permanent firewall-cmd --reload Download the appropriate packages If you have a subscription, you will find in the customer portal a suitable RPM or DEB package for your distribution for every available Checkmk version. For a free test or small installations of Checkmk you can use our free editions. These don’t need in consequence any subscription. You are still able to do an upgrade any time to one of the Checkmk Enterprise Editions. Consider when selecting a package: Choose one of the editions. If you’re unsure, you can get an overview to the differences of the editions. Choose the Checkmk version, the distribution and finally the version of the selected distribution. We recommend the latest stable Checkmk version. If you need an older version anyway, you can find these in the download archive. The name and version of your distribution must be strictly identical. After you downloaded the package to your machine, you need to copy the file to the target Linux system where Checkmk needs to be installed. You can do that for example with the programm WinSCP or — if you are able to use SSH connections — with the commandline tool scp, in the following example for the Checkmk Raw Edition and CentOS 8.x: scp check-mk-raw-2.1.0p1-el8-38.x86_64.rpm [email protected]: Signed-package installation All packages are signed using GnuPG. Through the use of this signature, on the one hand it can be verified whether the package really is from Checkmk, and on the other hand it can be verified that the package is complete. So that these signed packages can be installed in the usual way, one time only you will need to import our public key so that the signature will be trusted. First, load the key directly from our website: wget https://download.checkmk.com/checkmk/Check_MK-pubkey.gpg Then import the key to the list of trusted signatures. On Red Hat and CentOS this is yet another job for rpm: rpm --import Check_MK-pubkey.gpg Once the key has been imported, you can verify the package and install it the usual way with yum install afterwards: rpm -K check-mk-raw-2.1.0p1-el8-38.x86_64.rpm check-mk-raw-2.1.0p1-el8-38.x86_64.rpm: digests signatures OK yum install check-mk-raw-2.1.0p1-el8-38.x86_64.rpm Downloading Checkmk for Red Hat or CentOS Pull in the package using wget wget https://download.checkmk.com/checkmk/2.1.0p6/check-mk-raw-2.1.0p6-el8-38.x86_64.rpm SHA-256 file hash: c718bd7631dc9fe52368d4a9aa86410b263814bd3a1792a1d96e9e835509e461 Install the Checkmk package Now install the package including all of its dependencies. sudo rpm --install ./check-mk-raw-2.1.0p6-el8-38.x86_64.rpm Afterwards we can test if the installation was successful by running the omd version command: omd version OMD - Open Monitoring Distribution Version 2.1.0p6.cre You should see an output similar to this one. Create a Checkmk monitoring site Use the omd command to create a new Checkmk site. You can choose your own name, in this example we named the site 'monitoring' omd create monitoring After the site has been created you will see an output similar to the one below. Adding /opt/omd/sites/monitoring/tmp to /etc/fstab. Creating temporary filesystem /omd/sites/monitoring/tmp...OK Restarting Apache...OK Created new site monitoring with version 2.1.0p6.cre. The site can be started with omd start monitoring. The default web UI is available at http://your_server/monitoring/ The admin user for the web applications is cmkadmin with password: generated-password (It can be changed with 'htpasswd -m ~/etc/htpasswd cmkadmin' as site user.) Please do a su - monitoring for administration of this site. Here you can see the URL on which your site is accessible, default username, and an automatically generated password for accessing the site. The site is now created, but it still needs to be started. To start the site, type: omd start monitoring When everything has been started successfully you will see an output similar to the one below. Starting mkeventd...OK Starting liveproxyd...OK Starting mknotifyd...OK Starting rrdcached...OK Starting cmc...OK Starting apache...OK Starting dcd...OK Starting redis...OK Initializing Crontab...OK Your Checkmk site is now up and running. You can visit the user interface in the browser by using the aforementioned URL. Final test After the successful installation of Checkmk, and all dependencies, you will have access to the omd command. With this command you are able to create and manage monitoring sites. You can request the installed version to verify your installation: omd version OMD - Open Monitoring Distribution Version 2.1.0p1.cre To install Free / Enterprise Trial you follow these instructions Setting up the package sources, firewall and SELinux Checkmk requires a number of software packages from your Linux distribution. Third-party software is not required. In order that all necessary packages can be subsequently installed, a correct configuration of the software sources is necessary. Follow the steps described here for setting up the package sources, SELinux and the firewall.. Downloading Checkmk for Red Hat or CentOS Pull in the package using wget wget https://download.checkmk.com/checkmk/2.1.0p6/check-mk-free-2.1.0p6-el8-38.x86_64.rpm SHA-256 file hash: 69c8bd70b4eaf002d200ff91579e5c297de5d5920a72bf9fcfe6c1b2a310b982 Signed-package installation All packages are signed using GnuPG. Through the use of this signature, on the one hand it can be verified whether the package really is from Checkmk, and on the other hand it can be verified that the package is complete. So that these signed packages can be installed in the usual way, one time only you will need to import our public key so that the signature will be trusted. First, load the key directly from our website: wget https://download.checkmk.com/checkmk/Check_MK-pubkey.gpg Then import the key to the list of trusted signatures. On Red Hat and CentOS this is yet another job for rpm: rpm --import Check_MK-pubkey.gpg Once the key has been imported, you can verify the package and install it the usual way with yum install afterwards: rpm -K check-mk-raw-2.1.0p1-el8-38.x86_64.rpm yum install check-mk-raw-2.1.0p1-el8-38.x86_64.rpm Final test After the successful installation of Checkmk, and all dependencies, you will have access to the omd command. With this command you are able to create and manage monitoring sites. You can request the installed version to verify your installation: omd version Install the Checkmk package Now install the package including all of its dependencies. sudo rpm --install ./check-mk-free-2.1.0p6-el8-38.x86_64.rpm Afterwards we can test if the installation was successful by running the omd version command: omd version OMD - Open Monitoring Distribution Version 2.1.0p6.cfe You should see an output similar to the one shown above. Create a Checkmk monitoring site Use the omd command to create a new Checkmk site. You can choose your own name, in this example we named the site 'monitoring' omd create monitoring After the site has been created you will see an output similar to the one below. Adding /opt/omd/sites/monitoring/tmp to /etc/fstab. Creating temporary filesystem /omd/sites/monitoring/tmp...OK Restarting Apache...OK Created new site monitoring with version 2.1.0p6.cfe. The site can be started with omd start monitoring. The default web UI is available at http://your_server/monitoring/ The admin user for the web applications is cmkadmin with password: generated-password (It can be changed with 'htpasswd -m ~/etc/htpasswd cmkadmin' as site user.) Please do a su - monitoring for administration of this site. Here you can see the URL on which your site is accessible, default username, and an automatically generated password for accessing the site. The site is now created, but it still needs to be started. To start the site, type: omd start monitoring When everything has been started successfully you will see an output similar to the one below. Starting mkeventd...OK Starting liveproxyd...OK Starting mknotifyd...OK Starting rrdcached...OK Starting cmc...OK Starting apache...OK Starting dcd...OK Starting redis...OK Initializing Crontab...OK Your Checkmk site is now up and running. You can visit the user interface in the browser by using the aforementioned URL. Getting started with Checkmk If you are new to Checkmk then the beginners guide might help you to get started. We recommend watching the video tutorial series, which covers all important aspects around your first steps with Checkmk. Hope you enjoy

I just tried this with my Wordpress site with Boss installed. I clicked on Customize on the Boss Child Theme and clicked Additional CSS and pasted the following #bbpress-forums .bbp-forum-info .bbp-forum-content, #bbpress-forums p.bbp-topic-meta, #bbpress-forums ul.bbp-lead-topic, #bbpress-forums ul.bbp-topics, #bbpress-forums ul.bbp-forums, #bbpress-forums ul.bbp-replies, #bbpress-forums ul.bbp-search-results { font-size: 15px; }

I just tried this with my Wordpress site with Boss installed. I clicked on Customize on the Boss Child Theme and clicked Additional CSS and pasted the following #bbpress-forums .bbp-forum-info .bbp-forum-content, #bbpress-forums p.bbp-topic-meta, #bbpress-forums ul.bbp-lead-topic, #bbpress-forums ul.bbp-topics, #bbpress-forums ul.bbp-forums, #bbpress-forums ul.bbp-replies, #bbpress-forums ul.bbp-search-results { font-size: 15px; }

I've always been a big fan of Apple TV and have one on every TV but it really sucks I can't utilize my Amazon Prime account since Apple will never allow Amazon to have any apps on it. Also Apple TV is very locked down so no Kodi is going on Apple TV (well at least easily) and I tried Roku and what a piece of garbage. I am completely blown away at how much power that little Firestick is and now that you can load Kodi on it fairly easily, its a no brainer and now I have a Firestick also on every TV (we have way to much money spent on movies through iTunes to ever give up on Apple TV) So here is how you do it.. Step-by-step guide to installing Kodi on a factory Fire TV Stick Kodi (previously known as XBMC) is a powerful media player that lets you access a huge range of media content, including film and TV. It’s great on a PC or laptop but really comes into its own on your living room TV, which is easy to achieve thanks to modern, cut-price streaming sticks. Here we'll show you how to install Kodi on the Amazon Fire TV Stick. Note: Initially, Kodi was available to download straight from the Amazon store. However, it has since been pulled due to Kodi being used as a platform to access dodgy add-ons. Fortunately, there are several ways you can still force the Kodi app onto your Fire Stick, and I'll take you through them all here. (NOTE: So far this Works on ALL Amazon Fire TV Sticks without the need for a laptop) Plug your Amazon Fire TV stick into your TV and plug the USB power cable into a spare USB port or use the power adapter. Go to Settings | System | Developer options. Find "Apps from unknown sources’, which should be switched OFF, and turn it ON, then say yes in the pop-up box. Go back to the homescreen and install ES File Explorer – this will be listed under the Popular Fire TV apps section. Open ES File Explorer, select Favorite and then Add. Enter "http://kodi.tv/download", hit Next, the text you’ve entered will disappear but don’t worry, now type ‘Kodi’ into the next box and press Next again, then select Add. Open the new Kodi link you've created. This can be found in the left-hand panel. Find Kodi Android apps and select the ARM version (32bit). Nothing will happen, but this is normal. Next, navigate yourself to the three dots towards the bottom right of the screen and select "Open in new Browser". ES File Explorer will then download the latest version of the app to the stick. This can take a little while to do, so be patient: you can see that ES File Explorer is doing something, because you'll get a spinning circle at the top-right of the image. After a short wait, a Download dialog box will appear. Once Kodi has downloaded, select the Open File option and then Install. A dialog box will open with app permissions, press down on the remote until the options at the bottom highlight, and then select Install again. Kodi has now been installed to your Fire TV Stick, click DONE. Now comes the part to make it useful like installing Phoenix and Exodus. click the gear icon at the top and select File Manager click Add source Select <None> Type the following EXACTLY http://fusion.tvaddons.ag and select Done Highlight the box underneath Enter a name for this media Source, type fusion & select OK Still under Settings go to System - Add-ons and make sure Unknown sources is enabled Go back to your Home Screen Scroll down to Add-Ons and click on it at the very top left, click on an icon that looks like a box scroll down to "Install from zip file" and click on it Select fusion Select kodi-repos - english - repository.exodus-1.0.1.zip Wait for Add-on enabled notification Select Install from repository Select Exodus Repository Select Video add-ons Select Exodus Select Install Wait for Addon enabled notification (NOTE: will now be available from your home screen by selecting the Add-ons button) FYI: I usually have to reduce the screen some so I can see the entire Kodi screen (Settings - Interface - Skin.. just select Zoom)

I've always been a big fan of Apple TV and have one on every TV but it really sucks I can't utilize my Amazon Prime account since Apple will never allow Amazon to have any apps on it. Also Apple TV is very locked down so no Kodi is going on Apple TV (well at least easily) and I tried Roku and what a piece of garbage. I am completely blown away at how much power that little Firestick is and now that you can load Kodi on it fairly easily, its a no brainer and now I have a Firestick also on every TV (we have way to much money spent on movies through iTunes to ever give up on Apple TV) So here is how you do it.. Step-by-step guide to installing Kodi on a factory Fire TV Stick Kodi (previously known as XBMC) is a powerful media player that lets you access a huge range of media content, including film and TV. It’s great on a PC or laptop but really comes into its own on your living room TV, which is easy to achieve thanks to modern, cut-price streaming sticks. Here we'll show you how to install Kodi on the Amazon Fire TV Stick. Note: Initially, Kodi was available to download straight from the Amazon store. However, it has since been pulled due to Kodi being used as a platform to access dodgy add-ons. Fortunately, there are several ways you can still force the Kodi app onto your Fire Stick, and I'll take you through them all here. (NOTE: So far this Works on ALL Amazon Fire TV Sticks without the need for a laptop) Plug your Amazon Fire TV stick into your TV and plug the USB power cable into a spare USB port or use the power adapter. Go to Settings | System | Developer options. Find "Apps from unknown sources’, which should be switched OFF, and turn it ON, then say yes in the pop-up box. Go back to the homescreen and install ES File Explorer – this will be listed under the Popular Fire TV apps section. Open ES File Explorer, select Favorite and then Add. Enter "http://kodi.tv/download", hit Next, the text you’ve entered will disappear but don’t worry, now type ‘Kodi’ into the next box and press Next again, then select Add. Open the new Kodi link you've created. This can be found in the left-hand panel. Find Kodi Android apps and select the ARM version (32bit). Nothing will happen, but this is normal. Next, navigate yourself to the three dots towards the bottom right of the screen and select "Open in new Browser". ES File Explorer will then download the latest version of the app to the stick. This can take a little while to do, so be patient: you can see that ES File Explorer is doing something, because you'll get a spinning circle at the top-right of the image. After a short wait, a Download dialog box will appear. Once Kodi has downloaded, select the Open File option and then Install. A dialog box will open with app permissions, press down on the remote until the options at the bottom highlight, and then select Install again. Kodi has now been installed to your Fire TV Stick, click DONE. Now comes the part to make it useful like installing Phoenix and Exodus. click the gear icon at the top and select File Manager click Add source Select <None> Type the following EXACTLY http://fusion.tvaddons.ag and select Done Highlight the box underneath Enter a name for this media Source, type fusion & select OK Still under Settings go to System - Add-ons and make sure Unknown sources is enabled Go back to your Home Screen Scroll down to Add-Ons and click on it at the very top left, click on an icon that looks like a box scroll down to "Install from zip file" and click on it Select fusion Select kodi-repos - english - repository.exodus-1.0.1.zip Wait for Add-on enabled notification Select Install from repository Select Exodus Repository Select Video add-ons Select Exodus Select Install Wait for Addon enabled notification (NOTE: will now be available from your home screen by selecting the Add-ons button) FYI: I usually have to reduce the screen some so I can see the entire Kodi screen (Settings - Interface - Skin.. just select Zoom)

Here are some helpful tips to customizing your Open Atrium 2 installation Logo next to Main Menu ADMIN - Open Atrium - Config - Banners (changed Site banner image to Corporate Logo.png and click Save configuration) --- Banner Position is selected as Hidden and remaining checkboxes are unchecked. Logo in Footer Clicked ADMIN - Structure - Mini Panels and the only four options are: Open Atrium Footer click Edit to the far right of this Right under the Edit Tab you will see a link: Settings >> Context >> Layout >> Content (Click on Content) Find the Powered by widget and click on the Gear Icon on the far right and at the bottom select Remove Login Default Page Clicked ADMIN - Structure - Pages (under List Tab, clicked Edit next to pm_existing_pages-user_login) General (found on left) Under Add body CSS classes remove oa-login Click on Update and Save located on the bottom

Here are some helpful tips to customizing your Open Atrium 2 installation Logo next to Main Menu ADMIN - Open Atrium - Config - Banners (changed Site banner image to Corporate Logo.png and click Save configuration) --- Banner Position is selected as Hidden and remaining checkboxes are unchecked. Logo in Footer Clicked ADMIN - Structure - Mini Panels and the only four options are: Open Atrium Footer click Edit to the far right of this Right under the Edit Tab you will see a link: Settings >> Context >> Layout >> Content (Click on Content) Find the Powered by widget and click on the Gear Icon on the far right and at the bottom select Remove Login Default Page Clicked ADMIN - Structure - Pages (under List Tab, clicked Edit next to pm_existing_pages-user_login) General (found on left) Under Add body CSS classes remove oa-login Click on Update and Save located on the bottom

I would start by disabling clean URLs because your site might be caught in a mix of clean and dirty URLs. Check this link out Which basically says http://example.com/?q=user http://example.com/?q=admin/config/search/clean-urls

I would start by disabling clean URLs because your site might be caught in a mix of clean and dirty URLs. Check this link out Which basically says http://example.com/?q=user http://example.com/?q=admin/config/search/clean-urls

traceroute -n -q 1 -I ICMP 192.241.26.80 -n Print hop addresses numerically rather than symbolically and numerically. This saves a nameserver address-to-name lookup for each gateway found on the path -q Set the desired number of probe queries. The default is 3. -l ICMP

traceroute -n -q 1 -I ICMP 192.241.26.80 -n Print hop addresses numerically rather than symbolically and numerically. This saves a nameserver address-to-name lookup for each gateway found on the path -q Set the desired number of probe queries. The default is 3. -l ICMP

Awesome Valarie!

Awesome Valarie!

This worked awesome to find which users are a member of a group dsquery group -name "GG-NAO-HosangIT-ACS-Read-Write" -d nao.global.hosangit.com | dsget group -members This worked awesome to find what groups a user is a member of to validate they exist in AD dsquery user -samid svc_firemon | dsget user -display -memberof -expand

This worked awesome to find which users are a member of a group dsquery group -name "GG-NAO-HosangIT-ACS-Read-Write" -d nao.global.hosangit.com | dsget group -members This worked awesome to find what groups a user is a member of to validate they exist in AD dsquery user -samid svc_firemon | dsget user -display -memberof -expand