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How the IP ECN bits and the TCP ECN bits interact You may have noticed that both the IPv4 and TCP headers feature fields talking about ECN. Here’s the IPv4 header. Here’s the TCP header. These interact in a very strange way, but it makes sense once you understand it. 1. Two IPv4 hosts …
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Meraki Step By Step QoS Configuration The goal of this post is to give you a general overview of what a full QoS configuration on meraki gear consists of. There may be some tailoring you should do in your environment to have it fit better. First let’s take care of the layer 3 part. …
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LX0-104 Flash Cards If you have or want to try a flash card program, I use Anki, which is a free program. link to anki: https://apps.ankiweb.net/ I have uploaded my Anki flash cards here for download https://upw.io/u5/LX0-104.apkg Below are all of the flash cards in text! Name the 4 X Window Servers currently available from …
Finally, I found a suitable replacement for Onenote. Originally when searching for my replacement I immediately looked into Evernote, yet it didn’t offer me anything differente compared to Onenote Online (via outlook.com). I wanted something local, with better response. Really I just needed a good way to organize my notes, I didn’t need anything fancy. …
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The goal of this article is to provide you with a pre-built LibreNMS. This image should require very little tinkering, This VM is not meant to be publicly accessibly, it should only be used internally to get you working, feel free to improve it. I’m going to go over the setup in this article. The …
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This article will show you how to quickly install all of the nagios plugins with Librenms, On CentOS 7. First install nagios-plugins-all yum install nagios-plugins-all.x86_64 -y In the Libredocs they say that this is installed in /usr/lib/nagios/plugins, however mine was installed in /usr/lib64/nagios/plugins https://docs.librenms.org/Extensions/Services/ Anyway, now you need to add two lines into your LibreNMS …
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