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How to monitor the presence of nearby WiFi devices using Icinga2
Introduction I recently published a Python based plugin for Icinga and Nagios monitoring platforms that monitors the presence of wireless devices in the vicinity. I really like the stability and reliability Icinga provides when it comes to monitoring the state of hosts or services. There are so many software applications that let you do this, […]
How to automatically backup your data to an external USB disk on Linux
Introduction One of the most critical roles that any Systems Administrator must perform on a regular basis is that of running backups for an organization. These days, most big and medium sized offices use Network Attached Storage servers to quickly perform backups on their networks. However, for small offices with limited IT budgets, a DIY […]
How to receive Linux server alerts on your phone via WhatsApp
In my last article, I wrote about how to receive Linux server alerts on your phone via telegram. While telegram has a rich feature set, it is still not as popular as whatsapp at least in most regions. Almost, everyone I know is using whatsapp. With the recent addition of end-to-end ecryption, I’ve since relaxed […]
How to receive Linux server alerts on your phone via telegram
To monitor my Linux servers, I have been using icinga since its forking from the popular Nagios. Icinga has really matured over the last few years and currently at version 2.4.4, I would recommend anyone serious at network and server monitoring to check this open source project. Installation and setup of icinga2 is somewhat complex, […]
How to install a wireless hotspot with captive page on Linux using CoovaChilli
The purpose of this article is to demonstrate how you can turn a Linux based computer or laptop into a wireless hotspot where users can be authenticated via a captive portal page. For this task, the primary controller software will be CoovaChilli. This software is an ideal hotspot management solution for hotels, restaurants, supermarkets, parks, […]
How to configure nginx for use with WordPress and other CMS based websites
This is the second part of my Nginx tutorial. The first part covered the installation process. In this post, I will show you how to modify the default configuration and get your server ready to serve CMS based websites like WordPress, Drupal, Joomla, Gallery etc Before delving into the configuration of nginx, it is important […]