Category: Networking

HOW-TO Easily Install and Secure mosquitto MQTT on Raspberry Pi

HOW-TO Easily Install and Secure mosquitto MQTT on Raspberry Pi

This HOW-TO is an easy step-by-step guide to getting an MQTT broker working on a Raspberry Pi including TLS and user authentication. If you haven’t yet set up your Pi here’s a HOW-TO: http://tinab.blog/how-to-headless-pi-easy-setup You can skip this step but it’s a useful base that ensures a good start: http://tinab.blog/how-to-install-a-standard-base-linux-server-on-raspberry-pi Start by updating (if you …

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HOW-TO Install a Reliable Base Server on Raspberry Pi

HOW-TO Install a Reliable Base Server on Raspberry Pi

Setting up the basic items I use on every server installation. Start with a headless Raspberry Pi installation as per this HOW-TO: http://tinab.blog/how-to-headless-pi-easy-setup Once on an ethernet connection, disable WiFi & set a hostname add the following Set an appropriate hostname in raspi-config Update the system Install Samba and create a share add the following …

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UPDATED: MacOS Cloud Desktop – new instructions for OneDrive

UPDATED: MacOS Cloud Desktop – new instructions for OneDrive

Using a cloud-based folder (eg a folder within your sync’d Dropbox, Google Drive or OneDrive) means its possible to a) synchronise the contents of your desktop across multiple devices, b) make it available from elsewhere, and c) back it up. Previously I wrote instructions that, as at the time of writing this article (February 2022), …

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How-to: Monitor Windows with Nagios

How-to: Monitor Windows with Nagios

To add a Windows PC/server to the Nagios networking monitoring system there are a few options. In this article are instructions for a solution using a NCPA client on the Windows machine with an NCPA integration and config files on the Nagios Core machine On Windows Firstly, download, install and configure the NCPA client on …

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Using a cloud-based desktop folder on MacOS X & Windows 10

Using a cloud-based desktop folder on MacOS X & Windows 10

These instructions no longer work for MacOS – but these do Using a cloud-based folder (eg a folder within your sync’d Dropbox, Google Drive or OneDrive) means its possible to a) synchronise the contents of your desktop across multiple devices, b) make it available from elsewhere, and c) back it up. On MacOS X First …

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How-to: installing Ubiquiti Unifi controller on Raspberry Pi

How-to: installing Ubiquiti Unifi controller on Raspberry Pi

Install Raspbian as per other post Install pre-requisites Install Java Install the rng-tools to speed up startup and make a minor modification by uncommenting the following line and saving with Ctrl+X, Y, <ENTER> Restart the rng-tools to reload the changed config Install the Unifi Controller Add, validate and update the repositories Install the unifi software …

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Monitor Alexa with Nagios

Monitor Alexa with Nagios

Amazon Alexa devices don’t respond to ping so the default check-host-alive command doesn’t establish whether Alexa is up or down. She does respond, however, to NMAP requests and these instructions provide a way to do that.

How-to: Nagios MQTT notifications

How-to: Nagios MQTT notifications

Introduction Having got email notifications working from Nagios and being inundated with emails that I will no doubt ignore I got to thinking about how I could automate various other tasks depending on the state of the network. Nagios “knows” what’s up and what’s not. I have various devices on my network that can switch …

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How-to: Nagios email notifications

How-to: Nagios email notifications

This post is based on an article I read at https://www.unixmen.com/send-alerts-nagios-core-using-gmail-yahoo/ and assumes a working Nagios installation with at least a basic configuration as described here. However, I found that my configuration required some amendments to get it working. I found them by trial and error so decided to record my steps here for future …

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Basic Nagios Core config

Basic Nagios Core config

This post describes the steps and principles involved in updating the default Nagios configuration to add a network host with a single service. It assumes a running Nagios system has already been setup as described here. Nagios Core is configured by editing text files which reside in one of the following directories: To direct Nagios …

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