If you want to monitor the temperature and humidity level of your server room with Nagios then there is a plugin for that. I personally don’t go to the server room regularly so I wouldn’t know if the AC failed in that room until probably its too late, so getting automatic alerts when the room gets too hot or too…

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Windows Server 2016 is the newest server operating system released by Microsoft in October 12th, 2016. In this tutorial I will go through step by step on how to install the Active Directory ( AD ) role on Windows Server 2016. If you are setting up the server for production is recommended to set a static IP address on the…

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Yesterday I got a support ticket from a user that was complaining about her Lenovo T440s laptop turning off every time she unplug the power cord from the laptop. Indeed the laptop was shutting down when removing the power cord even though both batteries were showing fully charged. The first thing I did was to upgrade the BIOS and reinstall…

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If you want to check the health status of a Dell server through OpenManage with Nagios then there is a plugin for that. You will get an alert from Nagios whenever there is a physical problem with the server like the RAID, battery, and many other components. Using this plugin Nagios will basically grab all the alerts reported on the…

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The soon to be released Ubuntu desktop version is 16.04. In this tutorial I will go step-by-step on how to Install it in a fresh new computer or virtual machine. 1. Downloading the ISO image Download the ISO image from the Ubuntu website http://www.ubuntu.com/desktop  2. Burn the ISO image to a DVD or Flash Drive If you are installing Ubuntu…

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The difference between bandwidth and latency is something that confuses a lot of people, but if you are an IT professional it would be useful to know the difference between the two because sooner or later you will face a network problem related to it. Part of the confusion has been created by Internet providers by always recommending increase of…

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Email spoofing is a big security issue in IT. Often email users get fake emails pretending to be from colleagues or from their boss, and many of them fall for it sometimes leaking sensitive information to spammers. What is email spoofing? Email spoofing is the process of forging an email address to make it look like is sent from a…

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Windows 10 is a huge improvement from Windows 8. Everyone I have spoke to who is using Windows 10 have nothing but praises to say about Windows 10, so it seems like Windows 10 is deemed to become a popular Windows release like Windows XP and Windows 7 was. I’ve been using Windows 10 myself for a couple of months…

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The organization where I work recently moved to a new office space in a more crowded location and our users started complaining about wifi connectivity issues a lot. Their connection would become unresponsive at times, with ocasional timeouts. We didn’t change anything in our WIFI setup from our previous office, and we didn’t have that problem in our old place,…

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Ubuntu 16.04 is the new upcoming long term support server release from Ubuntu. The final version is expected to be released April 21st 2016, almost a month and a half from now. Ubuntu 16.04 features the kernel 4.4 , PHP 7 with Apache 2.4.x, etc. In this tutorial I will go through step by step on how to install Ubuntu…

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